diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 992000e3d9e4..3bfe058d75d9 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -133,7 +133,7 @@ init_rtc_clockevent(void)
  * The QEMU clock as a clocksource primitive.
  */
 
-static cycle_t
+static u64
 qemu_cs_read(struct clocksource *cs)
 {
 	return qemu_get_vmtime();
@@ -260,7 +260,7 @@ common_init_rtc(void)
  * use this method when WTINT is in use.
  */
 
-static cycle_t read_rpcc(struct clocksource *cs)
+static u64 read_rpcc(struct clocksource *cs)
 {
 	return rpcc();
 }
diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c
index 6c18445a4639..034f865fe78e 100644
--- a/arch/arm/mach-davinci/time.c
+++ b/arch/arm/mach-davinci/time.c
@@ -268,7 +268,7 @@ static void __init timer_init(void)
 /*
  * clocksource
  */
-static cycle_t read_cycles(struct clocksource *cs)
+static u64 read_cycles(struct clocksource *cs)
 {
 	struct timer_s *t = &timers[TID_CLOCKSOURCE];
 
diff --git a/arch/arm/mach-ep93xx/timer-ep93xx.c b/arch/arm/mach-ep93xx/timer-ep93xx.c
index e5f791145bd0..874cbc91b669 100644
--- a/arch/arm/mach-ep93xx/timer-ep93xx.c
+++ b/arch/arm/mach-ep93xx/timer-ep93xx.c
@@ -59,13 +59,13 @@ static u64 notrace ep93xx_read_sched_clock(void)
 	return ret;
 }
 
-cycle_t ep93xx_clocksource_read(struct clocksource *c)
+u64 ep93xx_clocksource_read(struct clocksource *c)
 {
 	u64 ret;
 
 	ret = readl(EP93XX_TIMER4_VALUE_LOW);
 	ret |= ((u64) (readl(EP93XX_TIMER4_VALUE_HIGH) & 0xff) << 32);
-	return (cycle_t) ret;
+	return (u64) ret;
 }
 
 static int ep93xx_clkevt_set_next_event(unsigned long next,
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 810edc78c817..75395a720e63 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -19,7 +19,7 @@
 
 #include "common.h"
 
-static cycle_t cksrc_dc21285_read(struct clocksource *cs)
+static u64 cksrc_dc21285_read(struct clocksource *cs)
 {
 	return cs->mask - *CSR_TIMER2_VALUE;
 }
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 0f08f611c1a6..846e033c56fa 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -493,7 +493,7 @@ static u64 notrace ixp4xx_read_sched_clock(void)
  * clocksource
  */
 
-static cycle_t ixp4xx_clocksource_read(struct clocksource *c)
+static u64 ixp4xx_clocksource_read(struct clocksource *c)
 {
 	return *IXP4XX_OSTS;
 }
diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index 3c2c92aaa0ae..96ad1db0b04b 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -144,7 +144,7 @@ static struct clock_event_device ckevt = {
 	.set_state_oneshot	= timer_set_shutdown,
 };
 
-static cycle_t clksrc_read(struct clocksource *cs)
+static u64 clksrc_read(struct clocksource *cs)
 {
 	return timer_read();
 }
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 5e2e2218a402..56128da23c3a 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -369,9 +369,9 @@ static bool use_gptimer_clksrc __initdata;
 /*
  * clocksource
  */
-static cycle_t clocksource_read_cycles(struct clocksource *cs)
+static u64 clocksource_read_cycles(struct clocksource *cs)
 {
-	return (cycle_t)__omap_dm_timer_read_counter(&clksrc,
+	return (u64)__omap_dm_timer_read_counter(&clksrc,
 						     OMAP_TIMER_NONPOSTED);
 }
 
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index ed8d129d4bea..2cff0010f677 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -38,7 +38,7 @@
 /*
  * IOP clocksource (free-running timer 1).
  */
-static cycle_t notrace iop_clocksource_read(struct clocksource *unused)
+static u64 notrace iop_clocksource_read(struct clocksource *unused)
 {
 	return 0xffffffffu - read_tcr1();
 }
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
index a124c55733db..4d9b69615979 100644
--- a/arch/avr32/kernel/time.c
+++ b/arch/avr32/kernel/time.c
@@ -20,9 +20,9 @@
 
 static bool disable_cpu_idle_poll;
 
-static cycle_t read_cycle_count(struct clocksource *cs)
+static u64 read_cycle_count(struct clocksource *cs)
 {
-	return (cycle_t)sysreg_read(COUNT);
+	return (u64)sysreg_read(COUNT);
 }
 
 /*
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c
index fb9e95f1b719..0e9fcf841d67 100644
--- a/arch/blackfin/kernel/time-ts.c
+++ b/arch/blackfin/kernel/time-ts.c
@@ -26,7 +26,7 @@
 
 #if defined(CONFIG_CYCLES_CLOCKSOURCE)
 
-static notrace cycle_t bfin_read_cycles(struct clocksource *cs)
+static notrace u64 bfin_read_cycles(struct clocksource *cs)
 {
 #ifdef CONFIG_CPU_FREQ
 	return __bfin_cycles_off + (get_cycles() << __bfin_cycles_mod);
@@ -80,7 +80,7 @@ void __init setup_gptimer0(void)
 	enable_gptimers(TIMER0bit);
 }
 
-static cycle_t bfin_read_gptimer0(struct clocksource *cs)
+static u64 bfin_read_gptimer0(struct clocksource *cs)
 {
 	return bfin_read_TIMER0_COUNTER();
 }
diff --git a/arch/c6x/kernel/time.c b/arch/c6x/kernel/time.c
index 04845aaf5985..6a8e00a1f6d5 100644
--- a/arch/c6x/kernel/time.c
+++ b/arch/c6x/kernel/time.c
@@ -26,7 +26,7 @@
 static u32 sched_clock_multiplier;
 #define SCHED_CLOCK_SHIFT 16
 
-static cycle_t tsc_read(struct clocksource *cs)
+static u64 tsc_read(struct clocksource *cs)
 {
 	return get_cycles();
 }
diff --git a/arch/hexagon/kernel/time.c b/arch/hexagon/kernel/time.c
index a6a1d1f8309a..ff4e9bf995e9 100644
--- a/arch/hexagon/kernel/time.c
+++ b/arch/hexagon/kernel/time.c
@@ -72,9 +72,9 @@ struct adsp_hw_timer_struct {
 /*  Look for "TCX0" for related constants.  */
 static __iomem struct adsp_hw_timer_struct *rtos_timer;
 
-static cycle_t timer_get_cycles(struct clocksource *cs)
+static u64 timer_get_cycles(struct clocksource *cs)
 {
-	return (cycle_t) __vmgettime();
+	return (u64) __vmgettime();
 }
 
 static struct clocksource hexagon_clocksource = {
diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c
index 5fa3848ba224..ee1a4afbf9da 100644
--- a/arch/ia64/kernel/cyclone.c
+++ b/arch/ia64/kernel/cyclone.c
@@ -21,9 +21,9 @@ void __init cyclone_setup(void)
 
 static void __iomem *cyclone_mc;
 
-static cycle_t read_cyclone(struct clocksource *cs)
+static u64 read_cyclone(struct clocksource *cs)
 {
-	return (cycle_t)readq((void __iomem *)cyclone_mc);
+	return (u64)readq((void __iomem *)cyclone_mc);
 }
 
 static struct clocksource clocksource_cyclone = {
diff --git a/arch/ia64/kernel/fsyscall_gtod_data.h b/arch/ia64/kernel/fsyscall_gtod_data.h
index 146b15b5fec3..dcc514917731 100644
--- a/arch/ia64/kernel/fsyscall_gtod_data.h
+++ b/arch/ia64/kernel/fsyscall_gtod_data.h
@@ -9,15 +9,15 @@ struct fsyscall_gtod_data_t {
 	seqcount_t	seq;
 	struct timespec	wall_time;
 	struct timespec monotonic_time;
-	cycle_t		clk_mask;
+	u64		clk_mask;
 	u32		clk_mult;
 	u32		clk_shift;
 	void		*clk_fsys_mmio;
-	cycle_t		clk_cycle_last;
+	u64		clk_cycle_last;
 } ____cacheline_aligned;
 
 struct itc_jitter_data_t {
 	int		itc_jitter;
-	cycle_t		itc_lastcycle;
+	u64		itc_lastcycle;
 } ____cacheline_aligned;
 
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 021f44ab4bfb..71775b95d6cc 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -31,7 +31,7 @@
 
 #include "fsyscall_gtod_data.h"
 
-static cycle_t itc_get_cycles(struct clocksource *cs);
+static u64 itc_get_cycles(struct clocksource *cs);
 
 struct fsyscall_gtod_data_t fsyscall_gtod_data;
 
@@ -323,7 +323,7 @@ void ia64_init_itm(void)
 	}
 }
 
-static cycle_t itc_get_cycles(struct clocksource *cs)
+static u64 itc_get_cycles(struct clocksource *cs)
 {
 	unsigned long lcycle, now, ret;
 
@@ -397,7 +397,7 @@ void update_vsyscall_tz(void)
 }
 
 void update_vsyscall_old(struct timespec *wall, struct timespec *wtm,
-			 struct clocksource *c, u32 mult, cycle_t cycle_last)
+			 struct clocksource *c, u32 mult, u64 cycle_last)
 {
 	write_seqcount_begin(&fsyscall_gtod_data.seq);
 
diff --git a/arch/ia64/sn/kernel/sn2/timer.c b/arch/ia64/sn/kernel/sn2/timer.c
index abab8f99e913..66edc36426ed 100644
--- a/arch/ia64/sn/kernel/sn2/timer.c
+++ b/arch/ia64/sn/kernel/sn2/timer.c
@@ -22,9 +22,9 @@
 
 extern unsigned long sn_rtc_cycles_per_second;
 
-static cycle_t read_sn2(struct clocksource *cs)
+static u64 read_sn2(struct clocksource *cs)
 {
-	return (cycle_t)readq(RTC_COUNTER_ADDR);
+	return (u64)readq(RTC_COUNTER_ADDR);
 }
 
 static struct clocksource clocksource_sn2 = {
diff --git a/arch/m68k/68000/timers.c b/arch/m68k/68000/timers.c
index 99a98698bc95..252455bce144 100644
--- a/arch/m68k/68000/timers.c
+++ b/arch/m68k/68000/timers.c
@@ -76,7 +76,7 @@ static struct irqaction m68328_timer_irq = {
 
 /***************************************************************************/
 
-static cycle_t m68328_read_clk(struct clocksource *cs)
+static u64 m68328_read_clk(struct clocksource *cs)
 {
 	unsigned long flags;
 	u32 cycles;
diff --git a/arch/m68k/coldfire/dma_timer.c b/arch/m68k/coldfire/dma_timer.c
index 235ad57c4707..8273eea57874 100644
--- a/arch/m68k/coldfire/dma_timer.c
+++ b/arch/m68k/coldfire/dma_timer.c
@@ -34,7 +34,7 @@
 #define DMA_DTMR_CLK_DIV_16	(2 << 1)
 #define DMA_DTMR_ENABLE		(1 << 0)
 
-static cycle_t cf_dt_get_cycles(struct clocksource *cs)
+static u64 cf_dt_get_cycles(struct clocksource *cs)
 {
 	return __raw_readl(DTCN0);
 }
diff --git a/arch/m68k/coldfire/pit.c b/arch/m68k/coldfire/pit.c
index d86a9ffb3f13..175553d5b8ed 100644
--- a/arch/m68k/coldfire/pit.c
+++ b/arch/m68k/coldfire/pit.c
@@ -118,7 +118,7 @@ static struct irqaction pit_irq = {
 
 /***************************************************************************/
 
-static cycle_t pit_read_clk(struct clocksource *cs)
+static u64 pit_read_clk(struct clocksource *cs)
 {
 	unsigned long flags;
 	u32 cycles;
diff --git a/arch/m68k/coldfire/sltimers.c b/arch/m68k/coldfire/sltimers.c
index 831a08cf6f40..3292c0d68b18 100644
--- a/arch/m68k/coldfire/sltimers.c
+++ b/arch/m68k/coldfire/sltimers.c
@@ -97,7 +97,7 @@ static struct irqaction mcfslt_timer_irq = {
 	.handler = mcfslt_tick,
 };
 
-static cycle_t mcfslt_read_clk(struct clocksource *cs)
+static u64 mcfslt_read_clk(struct clocksource *cs)
 {
 	unsigned long flags;
 	u32 cycles, scnt;
diff --git a/arch/m68k/coldfire/timers.c b/arch/m68k/coldfire/timers.c
index cd496a20fcc7..2dc7a58204f6 100644
--- a/arch/m68k/coldfire/timers.c
+++ b/arch/m68k/coldfire/timers.c
@@ -89,7 +89,7 @@ static struct irqaction mcftmr_timer_irq = {
 
 /***************************************************************************/
 
-static cycle_t mcftmr_read_clk(struct clocksource *cs)
+static u64 mcftmr_read_clk(struct clocksource *cs)
 {
 	unsigned long flags;
 	u32 cycles;
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index 9e954959f605..1d6fad50fa76 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -190,17 +190,17 @@ static u64 xilinx_clock_read(void)
 	return read_fn(timer_baseaddr + TCR1);
 }
 
-static cycle_t xilinx_read(struct clocksource *cs)
+static u64 xilinx_read(struct clocksource *cs)
 {
 	/* reading actual value of timer 1 */
-	return (cycle_t)xilinx_clock_read();
+	return (u64)xilinx_clock_read();
 }
 
 static struct timecounter xilinx_tc = {
 	.cc = NULL,
 };
 
-static cycle_t xilinx_cc_read(const struct cyclecounter *cc)
+static u64 xilinx_cc_read(const struct cyclecounter *cc)
 {
 	return xilinx_read(NULL);
 }
diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c
index f99d3ec17a45..e1bec5a77c39 100644
--- a/arch/mips/alchemy/common/time.c
+++ b/arch/mips/alchemy/common/time.c
@@ -44,7 +44,7 @@
 /* 32kHz clock enabled and detected */
 #define CNTR_OK (SYS_CNTRL_E0 | SYS_CNTRL_32S)
 
-static cycle_t au1x_counter1_read(struct clocksource *cs)
+static u64 au1x_counter1_read(struct clocksource *cs)
 {
 	return alchemy_rdsys(AU1000_SYS_RTCREAD);
 }
diff --git a/arch/mips/cavium-octeon/csrc-octeon.c b/arch/mips/cavium-octeon/csrc-octeon.c
index 23c2344a3552..39f153fe0022 100644
--- a/arch/mips/cavium-octeon/csrc-octeon.c
+++ b/arch/mips/cavium-octeon/csrc-octeon.c
@@ -98,7 +98,7 @@ void octeon_init_cvmcount(void)
 	local_irq_restore(flags);
 }
 
-static cycle_t octeon_cvmcount_read(struct clocksource *cs)
+static u64 octeon_cvmcount_read(struct clocksource *cs)
 {
 	return read_c0_cvmcount();
 }
diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c
index 1f7ca2c9f262..bcf8f8c62737 100644
--- a/arch/mips/jz4740/time.c
+++ b/arch/mips/jz4740/time.c
@@ -34,7 +34,7 @@
 
 static uint16_t jz4740_jiffies_per_tick;
 
-static cycle_t jz4740_clocksource_read(struct clocksource *cs)
+static u64 jz4740_clocksource_read(struct clocksource *cs)
 {
 	return jz4740_timer_get_count(TIMER_CLOCKSOURCE);
 }
diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c
index 537eefdf838f..aaca60d6ffc3 100644
--- a/arch/mips/kernel/cevt-txx9.c
+++ b/arch/mips/kernel/cevt-txx9.c
@@ -27,7 +27,7 @@ struct txx9_clocksource {
 	struct txx9_tmr_reg __iomem *tmrptr;
 };
 
-static cycle_t txx9_cs_read(struct clocksource *cs)
+static u64 txx9_cs_read(struct clocksource *cs)
 {
 	struct txx9_clocksource *txx9_cs =
 		container_of(cs, struct txx9_clocksource, cs);
diff --git a/arch/mips/kernel/csrc-bcm1480.c b/arch/mips/kernel/csrc-bcm1480.c
index 7f65b53d1b24..f011261e9506 100644
--- a/arch/mips/kernel/csrc-bcm1480.c
+++ b/arch/mips/kernel/csrc-bcm1480.c
@@ -25,9 +25,9 @@
 
 #include <asm/sibyte/sb1250.h>
 
-static cycle_t bcm1480_hpt_read(struct clocksource *cs)
+static u64 bcm1480_hpt_read(struct clocksource *cs)
 {
-	return (cycle_t) __raw_readq(IOADDR(A_SCD_ZBBUS_CYCLE_COUNT));
+	return (u64) __raw_readq(IOADDR(A_SCD_ZBBUS_CYCLE_COUNT));
 }
 
 struct clocksource bcm1480_clocksource = {
diff --git a/arch/mips/kernel/csrc-ioasic.c b/arch/mips/kernel/csrc-ioasic.c
index 722f5589cd1d..f6acd1e58c26 100644
--- a/arch/mips/kernel/csrc-ioasic.c
+++ b/arch/mips/kernel/csrc-ioasic.c
@@ -22,7 +22,7 @@
 #include <asm/dec/ioasic.h>
 #include <asm/dec/ioasic_addrs.h>
 
-static cycle_t dec_ioasic_hpt_read(struct clocksource *cs)
+static u64 dec_ioasic_hpt_read(struct clocksource *cs)
 {
 	return ioasic_read(IO_REG_FCTR);
 }
diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c
index d76275da54cb..eed099f35bf1 100644
--- a/arch/mips/kernel/csrc-r4k.c
+++ b/arch/mips/kernel/csrc-r4k.c
@@ -11,7 +11,7 @@
 
 #include <asm/time.h>
 
-static cycle_t c0_hpt_read(struct clocksource *cs)
+static u64 c0_hpt_read(struct clocksource *cs)
 {
 	return read_c0_count();
 }
diff --git a/arch/mips/kernel/csrc-sb1250.c b/arch/mips/kernel/csrc-sb1250.c
index d915652b4d56..b07b7310d3f4 100644
--- a/arch/mips/kernel/csrc-sb1250.c
+++ b/arch/mips/kernel/csrc-sb1250.c
@@ -30,7 +30,7 @@
  * The HPT is free running from SB1250_HPT_VALUE down to 0 then starts over
  * again.
  */
-static inline cycle_t sb1250_hpt_get_cycles(void)
+static inline u64 sb1250_hpt_get_cycles(void)
 {
 	unsigned int count;
 	void __iomem *addr;
@@ -41,7 +41,7 @@ static inline cycle_t sb1250_hpt_get_cycles(void)
 	return SB1250_HPT_VALUE - count;
 }
 
-static cycle_t sb1250_hpt_read(struct clocksource *cs)
+static u64 sb1250_hpt_read(struct clocksource *cs)
 {
 	return sb1250_hpt_get_cycles();
 }
diff --git a/arch/mips/loongson32/common/time.c b/arch/mips/loongson32/common/time.c
index ff224f0020e5..e6f972d35252 100644
--- a/arch/mips/loongson32/common/time.c
+++ b/arch/mips/loongson32/common/time.c
@@ -63,7 +63,7 @@ void __init ls1x_pwmtimer_init(void)
 	ls1x_pwmtimer_restart();
 }
 
-static cycle_t ls1x_clocksource_read(struct clocksource *cs)
+static u64 ls1x_clocksource_read(struct clocksource *cs)
 {
 	unsigned long flags;
 	int count;
@@ -107,7 +107,7 @@ static cycle_t ls1x_clocksource_read(struct clocksource *cs)
 
 	raw_spin_unlock_irqrestore(&ls1x_timer_lock, flags);
 
-	return (cycle_t) (jifs * ls1x_jiffies_per_tick) + count;
+	return (u64) (jifs * ls1x_jiffies_per_tick) + count;
 }
 
 static struct clocksource ls1x_clocksource = {
diff --git a/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c
index da77d412514c..9edfa55a0e78 100644
--- a/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c
+++ b/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c
@@ -144,7 +144,7 @@ void __init setup_mfgpt0_timer(void)
  * to just read by itself. So use jiffies to emulate a free
  * running counter:
  */
-static cycle_t mfgpt_read(struct clocksource *cs)
+static u64 mfgpt_read(struct clocksource *cs)
 {
 	unsigned long flags;
 	int count;
@@ -188,7 +188,7 @@ static cycle_t mfgpt_read(struct clocksource *cs)
 
 	raw_spin_unlock_irqrestore(&mfgpt_lock, flags);
 
-	return (cycle_t) (jifs * COMPARE) + count;
+	return (u64) (jifs * COMPARE) + count;
 }
 
 static struct clocksource clocksource_mfgpt = {
diff --git a/arch/mips/loongson64/loongson-3/hpet.c b/arch/mips/loongson64/loongson-3/hpet.c
index 4788bea62a6a..24afe364637b 100644
--- a/arch/mips/loongson64/loongson-3/hpet.c
+++ b/arch/mips/loongson64/loongson-3/hpet.c
@@ -248,9 +248,9 @@ void __init setup_hpet_timer(void)
 	pr_info("hpet clock event device register\n");
 }
 
-static cycle_t hpet_read_counter(struct clocksource *cs)
+static u64 hpet_read_counter(struct clocksource *cs)
 {
-	return (cycle_t)hpet_read(HPET_COUNTER);
+	return (u64)hpet_read(HPET_COUNTER);
 }
 
 static void hpet_suspend(struct clocksource *cs)
diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index 7407da04f8d6..1829a9031eec 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -75,7 +75,7 @@ static void __init estimate_frequencies(void)
 	unsigned int count, start;
 	unsigned char secs1, secs2, ctrl;
 	int secs;
-	cycle_t giccount = 0, gicstart = 0;
+	u64 giccount = 0, gicstart = 0;
 
 #if defined(CONFIG_KVM_GUEST) && CONFIG_KVM_GUEST_TIMER_FREQ
 	mips_hpt_frequency = CONFIG_KVM_GUEST_TIMER_FREQ * 1000000;
diff --git a/arch/mips/netlogic/common/time.c b/arch/mips/netlogic/common/time.c
index 5873c83e65be..cbbf0d48216b 100644
--- a/arch/mips/netlogic/common/time.c
+++ b/arch/mips/netlogic/common/time.c
@@ -59,14 +59,14 @@ unsigned int get_c0_compare_int(void)
 	return IRQ_TIMER;
 }
 
-static cycle_t nlm_get_pic_timer(struct clocksource *cs)
+static u64 nlm_get_pic_timer(struct clocksource *cs)
 {
 	uint64_t picbase = nlm_get_node(0)->picbase;
 
 	return ~nlm_pic_read_timer(picbase, PIC_CLOCK_TIMER);
 }
 
-static cycle_t nlm_get_pic_timer32(struct clocksource *cs)
+static u64 nlm_get_pic_timer32(struct clocksource *cs)
 {
 	uint64_t picbase = nlm_get_node(0)->picbase;
 
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 42d6cb9f956e..695c51bdd7dc 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -140,7 +140,7 @@ static void __init hub_rt_clock_event_global_init(void)
 	setup_irq(irq, &hub_rt_irqaction);
 }
 
-static cycle_t hub_rt_read(struct clocksource *cs)
+static u64 hub_rt_read(struct clocksource *cs)
 {
 	return REMOTE_HUB_L(cputonasid(0), PI_RT_COUNT);
 }
diff --git a/arch/mn10300/kernel/csrc-mn10300.c b/arch/mn10300/kernel/csrc-mn10300.c
index 45644cf18c41..6b74df3661f2 100644
--- a/arch/mn10300/kernel/csrc-mn10300.c
+++ b/arch/mn10300/kernel/csrc-mn10300.c
@@ -13,7 +13,7 @@
 #include <asm/timex.h>
 #include "internal.h"
 
-static cycle_t mn10300_read(struct clocksource *cs)
+static u64 mn10300_read(struct clocksource *cs)
 {
 	return read_timestamp_counter();
 }
diff --git a/arch/nios2/kernel/time.c b/arch/nios2/kernel/time.c
index 746bf5caaffc..6e2bdc9b8530 100644
--- a/arch/nios2/kernel/time.c
+++ b/arch/nios2/kernel/time.c
@@ -81,7 +81,7 @@ static inline unsigned long read_timersnapshot(struct nios2_timer *timer)
 	return count;
 }
 
-static cycle_t nios2_timer_read(struct clocksource *cs)
+static u64 nios2_timer_read(struct clocksource *cs)
 {
 	struct nios2_clocksource *nios2_cs = to_nios2_clksource(cs);
 	unsigned long flags;
diff --git a/arch/openrisc/kernel/time.c b/arch/openrisc/kernel/time.c
index 50e970183dcd..687c11d048d7 100644
--- a/arch/openrisc/kernel/time.c
+++ b/arch/openrisc/kernel/time.c
@@ -117,9 +117,9 @@ static __init void openrisc_clockevent_init(void)
  * is 32 bits wide and runs at the CPU clock frequency.
  */
 
-static cycle_t openrisc_timer_read(struct clocksource *cs)
+static u64 openrisc_timer_read(struct clocksource *cs)
 {
-	return (cycle_t) mfspr(SPR_TTCR);
+	return (u64) mfspr(SPR_TTCR);
 }
 
 static struct clocksource openrisc_timer = {
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 037d81f00520..da0d9cb63403 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -137,7 +137,7 @@ EXPORT_SYMBOL(profile_pc);
 
 /* clock source code */
 
-static cycle_t notrace read_cr16(struct clocksource *cs)
+static u64 notrace read_cr16(struct clocksource *cs)
 {
 	return get_cycles();
 }
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 19397e2a8bf5..bc2e08d415fa 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -80,7 +80,7 @@
 #include <linux/clockchips.h>
 #include <linux/timekeeper_internal.h>
 
-static cycle_t rtc_read(struct clocksource *);
+static u64 rtc_read(struct clocksource *);
 static struct clocksource clocksource_rtc = {
 	.name         = "rtc",
 	.rating       = 400,
@@ -89,7 +89,7 @@ static struct clocksource clocksource_rtc = {
 	.read         = rtc_read,
 };
 
-static cycle_t timebase_read(struct clocksource *);
+static u64 timebase_read(struct clocksource *);
 static struct clocksource clocksource_timebase = {
 	.name         = "timebase",
 	.rating       = 400,
@@ -802,18 +802,18 @@ void read_persistent_clock(struct timespec *ts)
 }
 
 /* clocksource code */
-static cycle_t rtc_read(struct clocksource *cs)
+static u64 rtc_read(struct clocksource *cs)
 {
-	return (cycle_t)get_rtc();
+	return (u64)get_rtc();
 }
 
-static cycle_t timebase_read(struct clocksource *cs)
+static u64 timebase_read(struct clocksource *cs)
 {
-	return (cycle_t)get_tb();
+	return (u64)get_tb();
 }
 
 void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm,
-			 struct clocksource *clock, u32 mult, cycle_t cycle_last)
+			 struct clocksource *clock, u32 mult, u64 cycle_last)
 {
 	u64 new_tb_to_xs, new_stamp_xsec;
 	u32 frac_sec;
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 66b2a35be424..ec34e39471a7 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1872,8 +1872,7 @@ static void kvmppc_set_timer(struct kvm_vcpu *vcpu)
 	}
 	dec_nsec = (vcpu->arch.dec_expires - now) * NSEC_PER_SEC
 		   / tb_ticks_per_sec;
-	hrtimer_start(&vcpu->arch.dec_timer, ktime_set(0, dec_nsec),
-		      HRTIMER_MODE_REL);
+	hrtimer_start(&vcpu->arch.dec_timer, dec_nsec, HRTIMER_MODE_REL);
 	vcpu->arch.timer_running = 1;
 }
 
diff --git a/arch/powerpc/oprofile/cell/spu_profiler.c b/arch/powerpc/oprofile/cell/spu_profiler.c
index b19265de9178..5182f2936af2 100644
--- a/arch/powerpc/oprofile/cell/spu_profiler.c
+++ b/arch/powerpc/oprofile/cell/spu_profiler.c
@@ -180,7 +180,7 @@ static enum hrtimer_restart profile_spus(struct hrtimer *timer)
 	smp_wmb();	/* insure spu event buffer updates are written */
 			/* don't want events intermingled... */
 
-	kt = ktime_set(0, profiling_interval);
+	kt = profiling_interval;
 	if (!spu_prof_running)
 		goto stop;
 	hrtimer_forward(timer, timer->base->get_time(), kt);
@@ -204,7 +204,7 @@ int start_spu_profiling_cycles(unsigned int cycles_reset)
 	ktime_t kt;
 
 	pr_debug("timer resolution: %lu\n", TICK_NSEC);
-	kt = ktime_set(0, profiling_interval);
+	kt = profiling_interval;
 	hrtimer_init(&timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	hrtimer_set_expires(&timer, kt);
 	timer.function = profile_spus;
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index ec76315c9ee5..52949df88529 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -209,7 +209,7 @@ void read_boot_clock64(struct timespec64 *ts)
 	tod_to_timeval(clock - TOD_UNIX_EPOCH, ts);
 }
 
-static cycle_t read_tod_clock(struct clocksource *cs)
+static u64 read_tod_clock(struct clocksource *cs)
 {
 	unsigned long long now, adj;
 
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 6843dd5a1cba..0f8f14199734 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1019,7 +1019,7 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
 		return 0;
 
 	__set_cpu_idle(vcpu);
-	hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL);
+	hrtimer_start(&vcpu->arch.ckc_timer, sltime, HRTIMER_MODE_REL);
 	VCPU_EVENT(vcpu, 4, "enabled wait: %llu ns", sltime);
 no_timer:
 	srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 1affabc96b08..244062bdaa56 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -148,7 +148,7 @@ static unsigned int sbus_cycles_offset(void)
 	return offset;
 }
 
-static cycle_t timer_cs_read(struct clocksource *cs)
+static u64 timer_cs_read(struct clocksource *cs)
 {
 	unsigned int seq, offset;
 	u64 cycles;
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 807f7e2ce014..12a6d3555cb8 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -770,7 +770,7 @@ void udelay(unsigned long usecs)
 }
 EXPORT_SYMBOL(udelay);
 
-static cycle_t clocksource_tick_read(struct clocksource *cs)
+static u64 clocksource_tick_read(struct clocksource *cs)
 {
 	return tick_ops->get_tick();
 }
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 25c23666d592..ba87a27d6715 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -83,7 +83,7 @@ static irqreturn_t um_timer(int irq, void *dev)
 	return IRQ_HANDLED;
 }
 
-static cycle_t timer_read(struct clocksource *cs)
+static u64 timer_read(struct clocksource *cs)
 {
 	return os_nsecs() / TIMER_MULTIPLIER;
 }
diff --git a/arch/unicore32/kernel/time.c b/arch/unicore32/kernel/time.c
index ac4c5449bb88..fceaa673f861 100644
--- a/arch/unicore32/kernel/time.c
+++ b/arch/unicore32/kernel/time.c
@@ -62,7 +62,7 @@ static struct clock_event_device ckevt_puv3_osmr0 = {
 	.set_state_oneshot	= puv3_osmr0_shutdown,
 };
 
-static cycle_t puv3_read_oscr(struct clocksource *cs)
+static u64 puv3_read_oscr(struct clocksource *cs)
 {
 	return readl(OST_OSCR);
 }
diff --git a/arch/x86/entry/vdso/vclock_gettime.c b/arch/x86/entry/vdso/vclock_gettime.c
index 02223cb4bcfd..9d4d6e138311 100644
--- a/arch/x86/entry/vdso/vclock_gettime.c
+++ b/arch/x86/entry/vdso/vclock_gettime.c
@@ -92,10 +92,10 @@ static notrace const struct pvclock_vsyscall_time_info *get_pvti0(void)
 	return (const struct pvclock_vsyscall_time_info *)&pvclock_page;
 }
 
-static notrace cycle_t vread_pvclock(int *mode)
+static notrace u64 vread_pvclock(int *mode)
 {
 	const struct pvclock_vcpu_time_info *pvti = &get_pvti0()->pvti;
-	cycle_t ret;
+	u64 ret;
 	u64 last;
 	u32 version;
 
@@ -142,9 +142,9 @@ static notrace cycle_t vread_pvclock(int *mode)
 }
 #endif
 
-notrace static cycle_t vread_tsc(void)
+notrace static u64 vread_tsc(void)
 {
-	cycle_t ret = (cycle_t)rdtsc_ordered();
+	u64 ret = (u64)rdtsc_ordered();
 	u64 last = gtod->cycle_last;
 
 	if (likely(ret >= last))
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 2e25038dbd93..a7066dc1a7e9 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -768,7 +768,7 @@ struct kvm_arch {
 	spinlock_t pvclock_gtod_sync_lock;
 	bool use_master_clock;
 	u64 master_kernel_ns;
-	cycle_t master_cycle_now;
+	u64 master_cycle_now;
 	struct delayed_work kvmclock_update_work;
 	struct delayed_work kvmclock_sync_work;
 
diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
index 3ad741b84072..448cfe1b48cf 100644
--- a/arch/x86/include/asm/pvclock.h
+++ b/arch/x86/include/asm/pvclock.h
@@ -14,7 +14,7 @@ static inline struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void)
 #endif
 
 /* some helper functions for xen and kvm pv clock sources */
-cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src);
+u64 pvclock_clocksource_read(struct pvclock_vcpu_time_info *src);
 u8 pvclock_read_flags(struct pvclock_vcpu_time_info *src);
 void pvclock_set_flags(u8 flags);
 unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src);
@@ -87,11 +87,10 @@ static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift)
 }
 
 static __always_inline
-cycle_t __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src,
-			      u64 tsc)
+u64 __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src, u64 tsc)
 {
 	u64 delta = tsc - src->tsc_timestamp;
-	cycle_t offset = pvclock_scale_delta(delta, src->tsc_to_system_mul,
+	u64 offset = pvclock_scale_delta(delta, src->tsc_to_system_mul,
 					     src->tsc_shift);
 	return src->system_time + offset;
 }
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index abb1fdcc545a..f5e6f1c417df 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -29,7 +29,7 @@ static inline cycles_t get_cycles(void)
 	return rdtsc();
 }
 
-extern struct system_counterval_t convert_art_to_tsc(cycle_t art);
+extern struct system_counterval_t convert_art_to_tsc(u64 art);
 
 extern void tsc_init(void);
 extern void mark_tsc_unstable(char *reason);
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
index 3a01996db58f..022e59714562 100644
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -17,8 +17,8 @@ struct vsyscall_gtod_data {
 	unsigned seq;
 
 	int vclock_mode;
-	cycle_t	cycle_last;
-	cycle_t	mask;
+	u64	cycle_last;
+	u64	mask;
 	u32	mult;
 	u32	shift;
 
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
index 202a7817beaf..65721dc73bd8 100644
--- a/arch/x86/kernel/apb_timer.c
+++ b/arch/x86/kernel/apb_timer.c
@@ -247,7 +247,7 @@ void apbt_setup_secondary_clock(void) {}
 static int apbt_clocksource_register(void)
 {
 	u64 start, now;
-	cycle_t t1;
+	u64 t1;
 
 	/* Start the counter, use timer 2 as source, timer 0/1 for event */
 	dw_apb_clocksource_start(clocksource_apbt);
@@ -355,7 +355,7 @@ unsigned long apbt_quick_calibrate(void)
 {
 	int i, scale;
 	u64 old, new;
-	cycle_t t1, t2;
+	u64 t1, t2;
 	unsigned long khz = 0;
 	u32 loop, shift;
 
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index f37e02e41a77..65e20c97e04b 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -133,9 +133,9 @@ static uint32_t  __init ms_hyperv_platform(void)
 	return 0;
 }
 
-static cycle_t read_hv_clock(struct clocksource *arg)
+static u64 read_hv_clock(struct clocksource *arg)
 {
-	cycle_t current_tick;
+	u64 current_tick;
 	/*
 	 * Read the partition counter to get the current tick count. This count
 	 * is set to 0 when the partition is created and is incremented in
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 38c8fd684d38..85e87b46c318 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -791,7 +791,7 @@ static union hpet_lock hpet __cacheline_aligned = {
 	{ .lock = __ARCH_SPIN_LOCK_UNLOCKED, },
 };
 
-static cycle_t read_hpet(struct clocksource *cs)
+static u64 read_hpet(struct clocksource *cs)
 {
 	unsigned long flags;
 	union hpet_lock old, new;
@@ -802,7 +802,7 @@ static cycle_t read_hpet(struct clocksource *cs)
 	 * Read HPET directly if in NMI.
 	 */
 	if (in_nmi())
-		return (cycle_t)hpet_readl(HPET_COUNTER);
+		return (u64)hpet_readl(HPET_COUNTER);
 
 	/*
 	 * Read the current state of the lock and HPET value atomically.
@@ -821,7 +821,7 @@ static cycle_t read_hpet(struct clocksource *cs)
 		WRITE_ONCE(hpet.value, new.value);
 		arch_spin_unlock(&hpet.lock);
 		local_irq_restore(flags);
-		return (cycle_t)new.value;
+		return (u64)new.value;
 	}
 	local_irq_restore(flags);
 
@@ -843,15 +843,15 @@ static cycle_t read_hpet(struct clocksource *cs)
 		new.lockval = READ_ONCE(hpet.lockval);
 	} while ((new.value == old.value) && arch_spin_is_locked(&new.lock));
 
-	return (cycle_t)new.value;
+	return (u64)new.value;
 }
 #else
 /*
  * For UP or 32-bit.
  */
-static cycle_t read_hpet(struct clocksource *cs)
+static u64 read_hpet(struct clocksource *cs)
 {
-	return (cycle_t)hpet_readl(HPET_COUNTER);
+	return (u64)hpet_readl(HPET_COUNTER);
 }
 #endif
 
@@ -867,7 +867,7 @@ static struct clocksource clocksource_hpet = {
 static int hpet_clocksource_register(void)
 {
 	u64 start, now;
-	cycle_t t1;
+	u64 t1;
 
 	/* Start the counter */
 	hpet_restart_counter();
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 60b9949f1e65..2a5cafdf8808 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -32,7 +32,7 @@
 static int kvmclock __ro_after_init = 1;
 static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME;
 static int msr_kvm_wall_clock = MSR_KVM_WALL_CLOCK;
-static cycle_t kvm_sched_clock_offset;
+static u64 kvm_sched_clock_offset;
 
 static int parse_no_kvmclock(char *arg)
 {
@@ -79,10 +79,10 @@ static int kvm_set_wallclock(const struct timespec *now)
 	return -1;
 }
 
-static cycle_t kvm_clock_read(void)
+static u64 kvm_clock_read(void)
 {
 	struct pvclock_vcpu_time_info *src;
-	cycle_t ret;
+	u64 ret;
 	int cpu;
 
 	preempt_disable_notrace();
@@ -93,12 +93,12 @@ static cycle_t kvm_clock_read(void)
 	return ret;
 }
 
-static cycle_t kvm_clock_get_cycles(struct clocksource *cs)
+static u64 kvm_clock_get_cycles(struct clocksource *cs)
 {
 	return kvm_clock_read();
 }
 
-static cycle_t kvm_sched_clock_read(void)
+static u64 kvm_sched_clock_read(void)
 {
 	return kvm_clock_read() - kvm_sched_clock_offset;
 }
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index 5b2cc889ce34..9e93fe5803b4 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -71,10 +71,10 @@ u8 pvclock_read_flags(struct pvclock_vcpu_time_info *src)
 	return flags & valid_flags;
 }
 
-cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
+u64 pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
 {
 	unsigned version;
-	cycle_t ret;
+	u64 ret;
 	u64 last;
 	u8 flags;
 
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 0aed75a1e31b..be3a49ee0356 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -1101,9 +1101,9 @@ static void tsc_resume(struct clocksource *cs)
  * checking the result of read_tsc() - cycle_last for being negative.
  * That works because CLOCKSOURCE_MASK(64) does not mask out any bit.
  */
-static cycle_t read_tsc(struct clocksource *cs)
+static u64 read_tsc(struct clocksource *cs)
 {
-	return (cycle_t)rdtsc_ordered();
+	return (u64)rdtsc_ordered();
 }
 
 /*
@@ -1192,7 +1192,7 @@ int unsynchronized_tsc(void)
 /*
  * Convert ART to TSC given numerator/denominator found in detect_art()
  */
-struct system_counterval_t convert_art_to_tsc(cycle_t art)
+struct system_counterval_t convert_art_to_tsc(u64 art)
 {
 	u64 tmp, res, rem;
 
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 34a66b2d47e6..5fe290c1b7d8 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1106,7 +1106,7 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic)
 	now = ktime_get();
 	remaining = ktime_sub(apic->lapic_timer.target_expiration, now);
 	if (ktime_to_ns(remaining) < 0)
-		remaining = ktime_set(0, 0);
+		remaining = 0;
 
 	ns = mod_64(ktime_to_ns(remaining), apic->lapic_timer.period);
 	tmcct = div64_u64(ns,
@@ -2057,7 +2057,7 @@ void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu)
 			apic->lapic_timer.tscdeadline = 0;
 		if (apic_lvtt_oneshot(apic)) {
 			apic->lapic_timer.tscdeadline = 0;
-			apic->lapic_timer.target_expiration = ktime_set(0, 0);
+			apic->lapic_timer.target_expiration = 0;
 		}
 		atomic_set(&apic->lapic_timer.pending, 0);
 	}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6414fa6cb9fd..51ccfe08e32f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1131,8 +1131,8 @@ struct pvclock_gtod_data {
 
 	struct { /* extract of a clocksource struct */
 		int vclock_mode;
-		cycle_t	cycle_last;
-		cycle_t	mask;
+		u64	cycle_last;
+		u64	mask;
 		u32	mult;
 		u32	shift;
 	} clock;
@@ -1572,9 +1572,9 @@ static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment)
 
 #ifdef CONFIG_X86_64
 
-static cycle_t read_tsc(void)
+static u64 read_tsc(void)
 {
-	cycle_t ret = (cycle_t)rdtsc_ordered();
+	u64 ret = (u64)rdtsc_ordered();
 	u64 last = pvclock_gtod_data.clock.cycle_last;
 
 	if (likely(ret >= last))
@@ -1592,7 +1592,7 @@ static cycle_t read_tsc(void)
 	return last;
 }
 
-static inline u64 vgettsc(cycle_t *cycle_now)
+static inline u64 vgettsc(u64 *cycle_now)
 {
 	long v;
 	struct pvclock_gtod_data *gtod = &pvclock_gtod_data;
@@ -1603,7 +1603,7 @@ static inline u64 vgettsc(cycle_t *cycle_now)
 	return v * gtod->clock.mult;
 }
 
-static int do_monotonic_boot(s64 *t, cycle_t *cycle_now)
+static int do_monotonic_boot(s64 *t, u64 *cycle_now)
 {
 	struct pvclock_gtod_data *gtod = &pvclock_gtod_data;
 	unsigned long seq;
@@ -1624,7 +1624,7 @@ static int do_monotonic_boot(s64 *t, cycle_t *cycle_now)
 }
 
 /* returns true if host is using tsc clocksource */
-static bool kvm_get_time_and_clockread(s64 *kernel_ns, cycle_t *cycle_now)
+static bool kvm_get_time_and_clockread(s64 *kernel_ns, u64 *cycle_now)
 {
 	/* checked again under seqlock below */
 	if (pvclock_gtod_data.clock.vclock_mode != VCLOCK_TSC)
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 4ca0d78adcf0..d3289d7e78fa 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -916,7 +916,7 @@ static unsigned long lguest_tsc_khz(void)
  * If we can't use the TSC, the kernel falls back to our lower-priority
  * "lguest_clock", where we read the time value given to us by the Host.
  */
-static cycle_t lguest_clock_read(struct clocksource *cs)
+static u64 lguest_clock_read(struct clocksource *cs)
 {
 	unsigned long sec, nsec;
 
diff --git a/arch/x86/platform/uv/uv_time.c b/arch/x86/platform/uv/uv_time.c
index b333fc45f9ec..2ee7632d4916 100644
--- a/arch/x86/platform/uv/uv_time.c
+++ b/arch/x86/platform/uv/uv_time.c
@@ -30,7 +30,7 @@
 
 #define RTC_NAME		"sgi_rtc"
 
-static cycle_t uv_read_rtc(struct clocksource *cs);
+static u64 uv_read_rtc(struct clocksource *cs);
 static int uv_rtc_next_event(unsigned long, struct clock_event_device *);
 static int uv_rtc_shutdown(struct clock_event_device *evt);
 
@@ -38,7 +38,7 @@ static struct clocksource clocksource_uv = {
 	.name		= RTC_NAME,
 	.rating		= 299,
 	.read		= uv_read_rtc,
-	.mask		= (cycle_t)UVH_RTC_REAL_TIME_CLOCK_MASK,
+	.mask		= (u64)UVH_RTC_REAL_TIME_CLOCK_MASK,
 	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
@@ -296,7 +296,7 @@ static int uv_rtc_unset_timer(int cpu, int force)
  * cachelines of it's own page.  This allows faster simultaneous reads
  * from a given socket.
  */
-static cycle_t uv_read_rtc(struct clocksource *cs)
+static u64 uv_read_rtc(struct clocksource *cs)
 {
 	unsigned long offset;
 
@@ -305,7 +305,7 @@ static cycle_t uv_read_rtc(struct clocksource *cs)
 	else
 		offset = (uv_blade_processor_id() * L1_CACHE_BYTES) % PAGE_SIZE;
 
-	return (cycle_t)uv_read_local_mmr(UVH_RTC | offset);
+	return (u64)uv_read_local_mmr(UVH_RTC | offset);
 }
 
 /*
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 33d8f6a7829d..1e69956d7852 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -39,10 +39,10 @@ static unsigned long xen_tsc_khz(void)
 	return pvclock_tsc_khz(info);
 }
 
-cycle_t xen_clocksource_read(void)
+u64 xen_clocksource_read(void)
 {
         struct pvclock_vcpu_time_info *src;
-	cycle_t ret;
+	u64 ret;
 
 	preempt_disable_notrace();
 	src = &__this_cpu_read(xen_vcpu)->time;
@@ -51,7 +51,7 @@ cycle_t xen_clocksource_read(void)
 	return ret;
 }
 
-static cycle_t xen_clocksource_get_cycles(struct clocksource *cs)
+static u64 xen_clocksource_get_cycles(struct clocksource *cs)
 {
 	return xen_clocksource_read();
 }
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 3cbce3b085e7..ac0a2b0f9e62 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -67,7 +67,7 @@ void xen_init_irq_ops(void);
 void xen_setup_timer(int cpu);
 void xen_setup_runstate_info(int cpu);
 void xen_teardown_timer(int cpu);
-cycle_t xen_clocksource_read(void);
+u64 xen_clocksource_read(void);
 void xen_setup_cpu_clockevents(void);
 void __init xen_init_time_ops(void);
 void __init xen_hvm_init_time_ops(void);
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index be81e69b25bc..668c1056f9e4 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -34,9 +34,9 @@
 unsigned long ccount_freq;		/* ccount Hz */
 EXPORT_SYMBOL(ccount_freq);
 
-static cycle_t ccount_read(struct clocksource *cs)
+static u64 ccount_read(struct clocksource *cs)
 {
-	return (cycle_t)get_ccount();
+	return (u64)get_ccount();
 }
 
 static u64 notrace ccount_sched_clock_read(void)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 4bf850e8d6b5..a8e67a155d04 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2569,7 +2569,7 @@ static bool blk_mq_poll_hybrid_sleep(struct request_queue *q,
 	 * This will be replaced with the stats tracking code, using
 	 * 'avg_completion_time / 2' as the pre-sleep target.
 	 */
-	kt = ktime_set(0, nsecs);
+	kt = nsecs;
 
 	mode = HRTIMER_MODE_REL;
 	hrtimer_init_on_stack(&hs.timer, CLOCK_MONOTONIC, mode);
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 48c6294e9c34..249e0304597f 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -194,7 +194,7 @@ void device_pm_move_last(struct device *dev)
 
 static ktime_t initcall_debug_start(struct device *dev)
 {
-	ktime_t calltime = ktime_set(0, 0);
+	ktime_t calltime = 0;
 
 	if (pm_print_times_enabled) {
 		pr_info("calling  %s+ @ %i, parent: %s\n",
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index bf9ba26981a5..f546f8f107b0 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -998,14 +998,14 @@ static int print_wakeup_source_stats(struct seq_file *m,
 
 		active_time = ktime_sub(now, ws->last_time);
 		total_time = ktime_add(total_time, active_time);
-		if (active_time.tv64 > max_time.tv64)
+		if (active_time > max_time)
 			max_time = active_time;
 
 		if (ws->autosleep_enabled)
 			prevent_sleep_time = ktime_add(prevent_sleep_time,
 				ktime_sub(now, ws->start_prevent_time));
 	} else {
-		active_time = ktime_set(0, 0);
+		active_time = 0;
 	}
 
 	seq_printf(m, "%-12s\t%lu\t\t%lu\t\t%lu\t\t%lu\t\t%lld\t\t%lld\t\t%lld\t\t%lld\t\t%lld\n",
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 4943ee22716e..c0e14e54909b 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -257,7 +257,7 @@ static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer)
 
 static void null_cmd_end_timer(struct nullb_cmd *cmd)
 {
-	ktime_t kt = ktime_set(0, completion_nsec);
+	ktime_t kt = completion_nsec;
 
 	hrtimer_start(&cmd->timer, kt, HRTIMER_MODE_REL);
 }
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index be54e5331a45..20b32bb8c2af 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -69,9 +69,9 @@ static u32 hpet_nhpet, hpet_max_freq = HPET_USER_FREQ;
 #ifdef CONFIG_IA64
 static void __iomem *hpet_mctr;
 
-static cycle_t read_hpet(struct clocksource *cs)
+static u64 read_hpet(struct clocksource *cs)
 {
-	return (cycle_t)read_counter((void __iomem *)hpet_mctr);
+	return (u64)read_counter((void __iomem *)hpet_mctr);
 }
 
 static struct clocksource clocksource_hpet = {
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c
index 28037d0b8dcd..1961e3539b57 100644
--- a/drivers/clocksource/acpi_pm.c
+++ b/drivers/clocksource/acpi_pm.c
@@ -58,16 +58,16 @@ u32 acpi_pm_read_verified(void)
 	return v2;
 }
 
-static cycle_t acpi_pm_read(struct clocksource *cs)
+static u64 acpi_pm_read(struct clocksource *cs)
 {
-	return (cycle_t)read_pmtmr();
+	return (u64)read_pmtmr();
 }
 
 static struct clocksource clocksource_acpi_pm = {
 	.name		= "acpi_pm",
 	.rating		= 200,
 	.read		= acpi_pm_read,
-	.mask		= (cycle_t)ACPI_PM_MASK,
+	.mask		= (u64)ACPI_PM_MASK,
 	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
@@ -81,9 +81,9 @@ static int __init acpi_pm_good_setup(char *__str)
 }
 __setup("acpi_pm_good", acpi_pm_good_setup);
 
-static cycle_t acpi_pm_read_slow(struct clocksource *cs)
+static u64 acpi_pm_read_slow(struct clocksource *cs)
 {
-	return (cycle_t)acpi_pm_read_verified();
+	return (u64)acpi_pm_read_verified();
 }
 
 static inline void acpi_pm_need_workaround(void)
@@ -145,7 +145,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_LE,
  */
 static int verify_pmtmr_rate(void)
 {
-	cycle_t value1, value2;
+	u64 value1, value2;
 	unsigned long count, delta;
 
 	mach_prepare_counter();
@@ -175,7 +175,7 @@ static int verify_pmtmr_rate(void)
 
 static int __init init_acpi_pm_clocksource(void)
 {
-	cycle_t value1, value2;
+	u64 value1, value2;
 	unsigned int i, j = 0;
 
 	if (!pmtmr_ioport)
diff --git a/drivers/clocksource/arc_timer.c b/drivers/clocksource/arc_timer.c
index 2b7e87134d1a..7517f959cba7 100644
--- a/drivers/clocksource/arc_timer.c
+++ b/drivers/clocksource/arc_timer.c
@@ -56,7 +56,7 @@ static int noinline arc_get_timer_clk(struct device_node *node)
 
 #ifdef CONFIG_ARC_TIMERS_64BIT
 
-static cycle_t arc_read_gfrc(struct clocksource *cs)
+static u64 arc_read_gfrc(struct clocksource *cs)
 {
 	unsigned long flags;
 	u32 l, h;
@@ -71,7 +71,7 @@ static cycle_t arc_read_gfrc(struct clocksource *cs)
 
 	local_irq_restore(flags);
 
-	return (((cycle_t)h) << 32) | l;
+	return (((u64)h) << 32) | l;
 }
 
 static struct clocksource arc_counter_gfrc = {
@@ -105,7 +105,7 @@ CLOCKSOURCE_OF_DECLARE(arc_gfrc, "snps,archs-timer-gfrc", arc_cs_setup_gfrc);
 #define AUX_RTC_LOW	0x104
 #define AUX_RTC_HIGH	0x105
 
-static cycle_t arc_read_rtc(struct clocksource *cs)
+static u64 arc_read_rtc(struct clocksource *cs)
 {
 	unsigned long status;
 	u32 l, h;
@@ -122,7 +122,7 @@ static cycle_t arc_read_rtc(struct clocksource *cs)
 		status = read_aux_reg(AUX_RTC_CTRL);
 	} while (!(status & _BITUL(31)));
 
-	return (((cycle_t)h) << 32) | l;
+	return (((u64)h) << 32) | l;
 }
 
 static struct clocksource arc_counter_rtc = {
@@ -166,9 +166,9 @@ CLOCKSOURCE_OF_DECLARE(arc_rtc, "snps,archs-timer-rtc", arc_cs_setup_rtc);
  * 32bit TIMER1 to keep counting monotonically and wraparound
  */
 
-static cycle_t arc_read_timer1(struct clocksource *cs)
+static u64 arc_read_timer1(struct clocksource *cs)
 {
-	return (cycle_t) read_aux_reg(ARC_REG_TIMER1_CNT);
+	return (u64) read_aux_reg(ARC_REG_TIMER1_CNT);
 }
 
 static struct clocksource arc_counter_timer1 = {
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index cdeca850f29e..4c8c3fb2e8b2 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -562,12 +562,12 @@ static u64 arch_counter_get_cntvct_mem(void)
  */
 u64 (*arch_timer_read_counter)(void) = arch_counter_get_cntvct;
 
-static cycle_t arch_counter_read(struct clocksource *cs)
+static u64 arch_counter_read(struct clocksource *cs)
 {
 	return arch_timer_read_counter();
 }
 
-static cycle_t arch_counter_read_cc(const struct cyclecounter *cc)
+static u64 arch_counter_read_cc(const struct cyclecounter *cc)
 {
 	return arch_timer_read_counter();
 }
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
index bbfeb2800a94..123ed20ac2ff 100644
--- a/drivers/clocksource/arm_global_timer.c
+++ b/drivers/clocksource/arm_global_timer.c
@@ -195,7 +195,7 @@ static int gt_dying_cpu(unsigned int cpu)
 	return 0;
 }
 
-static cycle_t gt_clocksource_read(struct clocksource *cs)
+static u64 gt_clocksource_read(struct clocksource *cs)
 {
 	return gt_counter_read();
 }
diff --git a/drivers/clocksource/cadence_ttc_timer.c b/drivers/clocksource/cadence_ttc_timer.c
index fbfbdec13b08..44e5e951583b 100644
--- a/drivers/clocksource/cadence_ttc_timer.c
+++ b/drivers/clocksource/cadence_ttc_timer.c
@@ -158,11 +158,11 @@ static irqreturn_t ttc_clock_event_interrupt(int irq, void *dev_id)
  *
  * returns: Current timer counter register value
  **/
-static cycle_t __ttc_clocksource_read(struct clocksource *cs)
+static u64 __ttc_clocksource_read(struct clocksource *cs)
 {
 	struct ttc_timer *timer = &to_ttc_timer_clksrc(cs)->ttc;
 
-	return (cycle_t)readl_relaxed(timer->base_addr +
+	return (u64)readl_relaxed(timer->base_addr +
 				TTC_COUNT_VAL_OFFSET);
 }
 
diff --git a/drivers/clocksource/clksrc-dbx500-prcmu.c b/drivers/clocksource/clksrc-dbx500-prcmu.c
index 77a365f573d7..c69e2772658d 100644
--- a/drivers/clocksource/clksrc-dbx500-prcmu.c
+++ b/drivers/clocksource/clksrc-dbx500-prcmu.c
@@ -30,7 +30,7 @@
 
 static void __iomem *clksrc_dbx500_timer_base;
 
-static cycle_t notrace clksrc_dbx500_prcmu_read(struct clocksource *cs)
+static u64 notrace clksrc_dbx500_prcmu_read(struct clocksource *cs)
 {
 	void __iomem *base = clksrc_dbx500_timer_base;
 	u32 count, count2;
diff --git a/drivers/clocksource/dw_apb_timer.c b/drivers/clocksource/dw_apb_timer.c
index 797505aa2ba4..63e4f5519577 100644
--- a/drivers/clocksource/dw_apb_timer.c
+++ b/drivers/clocksource/dw_apb_timer.c
@@ -348,7 +348,7 @@ void dw_apb_clocksource_start(struct dw_apb_clocksource *dw_cs)
 	dw_apb_clocksource_read(dw_cs);
 }
 
-static cycle_t __apbt_read_clocksource(struct clocksource *cs)
+static u64 __apbt_read_clocksource(struct clocksource *cs)
 {
 	u32 current_count;
 	struct dw_apb_clocksource *dw_cs =
@@ -357,7 +357,7 @@ static cycle_t __apbt_read_clocksource(struct clocksource *cs)
 	current_count = apbt_readl_relaxed(&dw_cs->timer,
 					APBTMR_N_CURRENT_VALUE);
 
-	return (cycle_t)~current_count;
+	return (u64)~current_count;
 }
 
 static void apbt_restart_clocksource(struct clocksource *cs)
@@ -416,7 +416,7 @@ void dw_apb_clocksource_register(struct dw_apb_clocksource *dw_cs)
  *
  * @dw_cs:	The clocksource to read.
  */
-cycle_t dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs)
+u64 dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs)
 {
-	return (cycle_t)~apbt_readl(&dw_cs->timer, APBTMR_N_CURRENT_VALUE);
+	return (u64)~apbt_readl(&dw_cs->timer, APBTMR_N_CURRENT_VALUE);
 }
diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index 19bb1792d647..aff87df07449 100644
--- a/drivers/clocksource/em_sti.c
+++ b/drivers/clocksource/em_sti.c
@@ -110,9 +110,9 @@ static void em_sti_disable(struct em_sti_priv *p)
 	clk_disable_unprepare(p->clk);
 }
 
-static cycle_t em_sti_count(struct em_sti_priv *p)
+static u64 em_sti_count(struct em_sti_priv *p)
 {
-	cycle_t ticks;
+	u64 ticks;
 	unsigned long flags;
 
 	/* the STI hardware buffers the 48-bit count, but to
@@ -121,14 +121,14 @@ static cycle_t em_sti_count(struct em_sti_priv *p)
 	 * Always read STI_COUNT_H before STI_COUNT_L.
 	 */
 	raw_spin_lock_irqsave(&p->lock, flags);
-	ticks = (cycle_t)(em_sti_read(p, STI_COUNT_H) & 0xffff) << 32;
+	ticks = (u64)(em_sti_read(p, STI_COUNT_H) & 0xffff) << 32;
 	ticks |= em_sti_read(p, STI_COUNT_L);
 	raw_spin_unlock_irqrestore(&p->lock, flags);
 
 	return ticks;
 }
 
-static cycle_t em_sti_set_next(struct em_sti_priv *p, cycle_t next)
+static u64 em_sti_set_next(struct em_sti_priv *p, u64 next)
 {
 	unsigned long flags;
 
@@ -198,7 +198,7 @@ static struct em_sti_priv *cs_to_em_sti(struct clocksource *cs)
 	return container_of(cs, struct em_sti_priv, cs);
 }
 
-static cycle_t em_sti_clocksource_read(struct clocksource *cs)
+static u64 em_sti_clocksource_read(struct clocksource *cs)
 {
 	return em_sti_count(cs_to_em_sti(cs));
 }
@@ -271,7 +271,7 @@ static int em_sti_clock_event_next(unsigned long delta,
 				   struct clock_event_device *ced)
 {
 	struct em_sti_priv *p = ced_to_em_sti(ced);
-	cycle_t next;
+	u64 next;
 	int safe;
 
 	next = em_sti_set_next(p, em_sti_count(p) + delta);
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index b45b72b95861..4da1dc2278bd 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -183,7 +183,7 @@ static u64 exynos4_read_count_64(void)
 		hi2 = readl_relaxed(reg_base + EXYNOS4_MCT_G_CNT_U);
 	} while (hi != hi2);
 
-	return ((cycle_t)hi << 32) | lo;
+	return ((u64)hi << 32) | lo;
 }
 
 /**
@@ -199,7 +199,7 @@ static u32 notrace exynos4_read_count_32(void)
 	return readl_relaxed(reg_base + EXYNOS4_MCT_G_CNT_L);
 }
 
-static cycle_t exynos4_frc_read(struct clocksource *cs)
+static u64 exynos4_frc_read(struct clocksource *cs)
 {
 	return exynos4_read_count_32();
 }
@@ -266,7 +266,7 @@ static void exynos4_mct_comp0_stop(void)
 static void exynos4_mct_comp0_start(bool periodic, unsigned long cycles)
 {
 	unsigned int tcon;
-	cycle_t comp_cycle;
+	u64 comp_cycle;
 
 	tcon = readl_relaxed(reg_base + EXYNOS4_MCT_G_TCON);
 
diff --git a/drivers/clocksource/h8300_timer16.c b/drivers/clocksource/h8300_timer16.c
index 07d9d5be9054..5b27fb9997c2 100644
--- a/drivers/clocksource/h8300_timer16.c
+++ b/drivers/clocksource/h8300_timer16.c
@@ -72,7 +72,7 @@ static inline struct timer16_priv *cs_to_priv(struct clocksource *cs)
 	return container_of(cs, struct timer16_priv, cs);
 }
 
-static cycle_t timer16_clocksource_read(struct clocksource *cs)
+static u64 timer16_clocksource_read(struct clocksource *cs)
 {
 	struct timer16_priv *p = cs_to_priv(cs);
 	unsigned long raw, value;
diff --git a/drivers/clocksource/h8300_tpu.c b/drivers/clocksource/h8300_tpu.c
index 7bdf1991c847..72e1cf2b3096 100644
--- a/drivers/clocksource/h8300_tpu.c
+++ b/drivers/clocksource/h8300_tpu.c
@@ -64,7 +64,7 @@ static inline struct tpu_priv *cs_to_priv(struct clocksource *cs)
 	return container_of(cs, struct tpu_priv, cs);
 }
 
-static cycle_t tpu_clocksource_read(struct clocksource *cs)
+static u64 tpu_clocksource_read(struct clocksource *cs)
 {
 	struct tpu_priv *p = cs_to_priv(cs);
 	unsigned long flags;
diff --git a/drivers/clocksource/i8253.c b/drivers/clocksource/i8253.c
index 0efd36e483ab..64f6490740d7 100644
--- a/drivers/clocksource/i8253.c
+++ b/drivers/clocksource/i8253.c
@@ -25,7 +25,7 @@ EXPORT_SYMBOL(i8253_lock);
  * to just read by itself. So use jiffies to emulate a free
  * running counter:
  */
-static cycle_t i8253_read(struct clocksource *cs)
+static u64 i8253_read(struct clocksource *cs)
 {
 	static int old_count;
 	static u32 old_jifs;
@@ -83,7 +83,7 @@ static cycle_t i8253_read(struct clocksource *cs)
 
 	count = (PIT_LATCH - 1) - count;
 
-	return (cycle_t)(jifs * PIT_LATCH) + count;
+	return (u64)(jifs * PIT_LATCH) + count;
 }
 
 static struct clocksource i8253_cs = {
diff --git a/drivers/clocksource/jcore-pit.c b/drivers/clocksource/jcore-pit.c
index 4e4146f69845..7c61226f4359 100644
--- a/drivers/clocksource/jcore-pit.c
+++ b/drivers/clocksource/jcore-pit.c
@@ -57,7 +57,7 @@ static notrace u64 jcore_sched_clock_read(void)
 	return seclo * NSEC_PER_SEC + nsec;
 }
 
-static cycle_t jcore_clocksource_read(struct clocksource *cs)
+static u64 jcore_clocksource_read(struct clocksource *cs)
 {
 	return jcore_sched_clock_read();
 }
diff --git a/drivers/clocksource/metag_generic.c b/drivers/clocksource/metag_generic.c
index 172f43d4bc1a..6fcf96540631 100644
--- a/drivers/clocksource/metag_generic.c
+++ b/drivers/clocksource/metag_generic.c
@@ -56,7 +56,7 @@ static int metag_timer_set_next_event(unsigned long delta,
 	return 0;
 }
 
-static cycle_t metag_clocksource_read(struct clocksource *cs)
+static u64 metag_clocksource_read(struct clocksource *cs)
 {
 	return __core_reg_get(TXTIMER);
 }
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index d9278847ffb2..d9ef7a61e093 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -125,7 +125,7 @@ static int gic_clockevent_init(void)
 	return 0;
 }
 
-static cycle_t gic_hpt_read(struct clocksource *cs)
+static u64 gic_hpt_read(struct clocksource *cs)
 {
 	return gic_read_count();
 }
diff --git a/drivers/clocksource/mmio.c b/drivers/clocksource/mmio.c
index c4f7d7a9b689..4c4df981d8cc 100644
--- a/drivers/clocksource/mmio.c
+++ b/drivers/clocksource/mmio.c
@@ -20,24 +20,24 @@ static inline struct clocksource_mmio *to_mmio_clksrc(struct clocksource *c)
 	return container_of(c, struct clocksource_mmio, clksrc);
 }
 
-cycle_t clocksource_mmio_readl_up(struct clocksource *c)
+u64 clocksource_mmio_readl_up(struct clocksource *c)
 {
-	return (cycle_t)readl_relaxed(to_mmio_clksrc(c)->reg);
+	return (u64)readl_relaxed(to_mmio_clksrc(c)->reg);
 }
 
-cycle_t clocksource_mmio_readl_down(struct clocksource *c)
+u64 clocksource_mmio_readl_down(struct clocksource *c)
 {
-	return ~(cycle_t)readl_relaxed(to_mmio_clksrc(c)->reg) & c->mask;
+	return ~(u64)readl_relaxed(to_mmio_clksrc(c)->reg) & c->mask;
 }
 
-cycle_t clocksource_mmio_readw_up(struct clocksource *c)
+u64 clocksource_mmio_readw_up(struct clocksource *c)
 {
-	return (cycle_t)readw_relaxed(to_mmio_clksrc(c)->reg);
+	return (u64)readw_relaxed(to_mmio_clksrc(c)->reg);
 }
 
-cycle_t clocksource_mmio_readw_down(struct clocksource *c)
+u64 clocksource_mmio_readw_down(struct clocksource *c)
 {
-	return ~(cycle_t)readw_relaxed(to_mmio_clksrc(c)->reg) & c->mask;
+	return ~(u64)readw_relaxed(to_mmio_clksrc(c)->reg) & c->mask;
 }
 
 /**
@@ -51,7 +51,7 @@ cycle_t clocksource_mmio_readw_down(struct clocksource *c)
  */
 int __init clocksource_mmio_init(void __iomem *base, const char *name,
 	unsigned long hz, int rating, unsigned bits,
-	cycle_t (*read)(struct clocksource *))
+	u64 (*read)(struct clocksource *))
 {
 	struct clocksource_mmio *cs;
 
diff --git a/drivers/clocksource/mxs_timer.c b/drivers/clocksource/mxs_timer.c
index 0ba0a913b41d..99b77aff0839 100644
--- a/drivers/clocksource/mxs_timer.c
+++ b/drivers/clocksource/mxs_timer.c
@@ -97,7 +97,7 @@ static void timrot_irq_acknowledge(void)
 		     HW_TIMROT_TIMCTRLn(0) + STMP_OFFSET_REG_CLR);
 }
 
-static cycle_t timrotv1_get_cycles(struct clocksource *cs)
+static u64 timrotv1_get_cycles(struct clocksource *cs)
 {
 	return ~((__raw_readl(mxs_timrot_base + HW_TIMROT_TIMCOUNTn(1))
 			& 0xffff0000) >> 16);
diff --git a/drivers/clocksource/qcom-timer.c b/drivers/clocksource/qcom-timer.c
index 3bf65fff5c08..ee358cdf4a07 100644
--- a/drivers/clocksource/qcom-timer.c
+++ b/drivers/clocksource/qcom-timer.c
@@ -89,7 +89,7 @@ static struct clock_event_device __percpu *msm_evt;
 
 static void __iomem *source_base;
 
-static notrace cycle_t msm_read_timer_count(struct clocksource *cs)
+static notrace u64 msm_read_timer_count(struct clocksource *cs)
 {
 	return readl_relaxed(source_base + TIMER_COUNT_VAL);
 }
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
index 54565bd0093b..0093ece661fe 100644
--- a/drivers/clocksource/samsung_pwm_timer.c
+++ b/drivers/clocksource/samsung_pwm_timer.c
@@ -307,7 +307,7 @@ static void samsung_clocksource_resume(struct clocksource *cs)
 	samsung_time_start(pwm.source_id, true);
 }
 
-static cycle_t notrace samsung_clocksource_read(struct clocksource *c)
+static u64 notrace samsung_clocksource_read(struct clocksource *c)
 {
 	return ~readl_relaxed(pwm.source_reg);
 }
diff --git a/drivers/clocksource/scx200_hrt.c b/drivers/clocksource/scx200_hrt.c
index 64f9e8294434..a46660bf6588 100644
--- a/drivers/clocksource/scx200_hrt.c
+++ b/drivers/clocksource/scx200_hrt.c
@@ -43,10 +43,10 @@ MODULE_PARM_DESC(ppm, "+-adjust to actual XO freq (ppm)");
 /* The base timer frequency, * 27 if selected */
 #define HRT_FREQ   1000000
 
-static cycle_t read_hrt(struct clocksource *cs)
+static u64 read_hrt(struct clocksource *cs)
 {
 	/* Read the timer value */
-	return (cycle_t) inl(scx200_cb_base + SCx200_TIMER_OFFSET);
+	return (u64) inl(scx200_cb_base + SCx200_TIMER_OFFSET);
 }
 
 static struct clocksource cs_hrt = {
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 103c49362c68..28757edf6aca 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -612,7 +612,7 @@ static struct sh_cmt_channel *cs_to_sh_cmt(struct clocksource *cs)
 	return container_of(cs, struct sh_cmt_channel, cs);
 }
 
-static cycle_t sh_cmt_clocksource_read(struct clocksource *cs)
+static u64 sh_cmt_clocksource_read(struct clocksource *cs)
 {
 	struct sh_cmt_channel *ch = cs_to_sh_cmt(cs);
 	unsigned long flags, raw;
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 469e776ec17a..1fbf2aadcfd4 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -255,7 +255,7 @@ static struct sh_tmu_channel *cs_to_sh_tmu(struct clocksource *cs)
 	return container_of(cs, struct sh_tmu_channel, cs);
 }
 
-static cycle_t sh_tmu_clocksource_read(struct clocksource *cs)
+static u64 sh_tmu_clocksource_read(struct clocksource *cs)
 {
 	struct sh_tmu_channel *ch = cs_to_sh_tmu(cs);
 
diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c
index 4da2af9694a2..d4ca9962a759 100644
--- a/drivers/clocksource/tcb_clksrc.c
+++ b/drivers/clocksource/tcb_clksrc.c
@@ -41,7 +41,7 @@
 
 static void __iomem *tcaddr;
 
-static cycle_t tc_get_cycles(struct clocksource *cs)
+static u64 tc_get_cycles(struct clocksource *cs)
 {
 	unsigned long	flags;
 	u32		lower, upper;
@@ -56,7 +56,7 @@ static cycle_t tc_get_cycles(struct clocksource *cs)
 	return (upper << 16) | lower;
 }
 
-static cycle_t tc_get_cycles32(struct clocksource *cs)
+static u64 tc_get_cycles32(struct clocksource *cs)
 {
 	return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV));
 }
diff --git a/drivers/clocksource/time-pistachio.c b/drivers/clocksource/time-pistachio.c
index a8e6c7df853d..3710e4d9dcba 100644
--- a/drivers/clocksource/time-pistachio.c
+++ b/drivers/clocksource/time-pistachio.c
@@ -67,7 +67,7 @@ static inline void gpt_writel(void __iomem *base, u32 value, u32 offset,
 	writel(value, base + 0x20 * gpt_id + offset);
 }
 
-static cycle_t notrace
+static u64 notrace
 pistachio_clocksource_read_cycles(struct clocksource *cs)
 {
 	struct pistachio_clocksource *pcs = to_pistachio_clocksource(cs);
@@ -84,7 +84,7 @@ pistachio_clocksource_read_cycles(struct clocksource *cs)
 	counter = gpt_readl(pcs->base, TIMER_CURRENT_VALUE, 0);
 	raw_spin_unlock_irqrestore(&pcs->lock, flags);
 
-	return (cycle_t)~counter;
+	return (u64)~counter;
 }
 
 static u64 notrace pistachio_read_sched_clock(void)
diff --git a/drivers/clocksource/timer-atlas7.c b/drivers/clocksource/timer-atlas7.c
index 3c23e1744f4a..3d8a181f0252 100644
--- a/drivers/clocksource/timer-atlas7.c
+++ b/drivers/clocksource/timer-atlas7.c
@@ -85,7 +85,7 @@ static irqreturn_t sirfsoc_timer_interrupt(int irq, void *dev_id)
 }
 
 /* read 64-bit timer counter */
-static cycle_t sirfsoc_timer_read(struct clocksource *cs)
+static u64 sirfsoc_timer_read(struct clocksource *cs)
 {
 	u64 cycles;
 
diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c
index 6555821bbdae..c0b5df3167a0 100644
--- a/drivers/clocksource/timer-atmel-pit.c
+++ b/drivers/clocksource/timer-atmel-pit.c
@@ -73,7 +73,7 @@ static inline void pit_write(void __iomem *base, unsigned int reg_offset, unsign
  * Clocksource:  just a monotonic counter of MCK/16 cycles.
  * We don't care whether or not PIT irqs are enabled.
  */
-static cycle_t read_pit_clk(struct clocksource *cs)
+static u64 read_pit_clk(struct clocksource *cs)
 {
 	struct pit_data *data = clksrc_to_pit_data(cs);
 	unsigned long flags;
diff --git a/drivers/clocksource/timer-atmel-st.c b/drivers/clocksource/timer-atmel-st.c
index e90ab5b63a90..be4ac7604136 100644
--- a/drivers/clocksource/timer-atmel-st.c
+++ b/drivers/clocksource/timer-atmel-st.c
@@ -92,7 +92,7 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id)
 	return IRQ_NONE;
 }
 
-static cycle_t read_clk32k(struct clocksource *cs)
+static u64 read_clk32k(struct clocksource *cs)
 {
 	return read_CRTR();
 }
diff --git a/drivers/clocksource/timer-nps.c b/drivers/clocksource/timer-nps.c
index 8da5e93b6810..da1f7986e477 100644
--- a/drivers/clocksource/timer-nps.c
+++ b/drivers/clocksource/timer-nps.c
@@ -77,11 +77,11 @@ static int __init nps_get_timer_clk(struct device_node *node,
 	return 0;
 }
 
-static cycle_t nps_clksrc_read(struct clocksource *clksrc)
+static u64 nps_clksrc_read(struct clocksource *clksrc)
 {
 	int cluster = raw_smp_processor_id() >> NPS_CLUSTER_OFFSET;
 
-	return (cycle_t)ioread32be(nps_msu_reg_low_addr[cluster]);
+	return (u64)ioread32be(nps_msu_reg_low_addr[cluster]);
 }
 
 static int __init nps_setup_clocksource(struct device_node *node)
diff --git a/drivers/clocksource/timer-prima2.c b/drivers/clocksource/timer-prima2.c
index c32148ec7a38..bfa981ac1eaf 100644
--- a/drivers/clocksource/timer-prima2.c
+++ b/drivers/clocksource/timer-prima2.c
@@ -72,7 +72,7 @@ static irqreturn_t sirfsoc_timer_interrupt(int irq, void *dev_id)
 }
 
 /* read 64-bit timer counter */
-static cycle_t notrace sirfsoc_timer_read(struct clocksource *cs)
+static u64 notrace sirfsoc_timer_read(struct clocksource *cs)
 {
 	u64 cycles;
 
diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c
index 4f87f3e76d83..a3e662b15964 100644
--- a/drivers/clocksource/timer-sun5i.c
+++ b/drivers/clocksource/timer-sun5i.c
@@ -152,7 +152,7 @@ static irqreturn_t sun5i_timer_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static cycle_t sun5i_clksrc_read(struct clocksource *clksrc)
+static u64 sun5i_clksrc_read(struct clocksource *clksrc)
 {
 	struct sun5i_timer_clksrc *cs = to_sun5i_timer_clksrc(clksrc);
 
diff --git a/drivers/clocksource/timer-ti-32k.c b/drivers/clocksource/timer-ti-32k.c
index cf5b14e442e4..624067712ef0 100644
--- a/drivers/clocksource/timer-ti-32k.c
+++ b/drivers/clocksource/timer-ti-32k.c
@@ -65,11 +65,11 @@ static inline struct ti_32k *to_ti_32k(struct clocksource *cs)
 	return container_of(cs, struct ti_32k, cs);
 }
 
-static cycle_t notrace ti_32k_read_cycles(struct clocksource *cs)
+static u64 notrace ti_32k_read_cycles(struct clocksource *cs)
 {
 	struct ti_32k *ti = to_ti_32k(cs);
 
-	return (cycle_t)readl_relaxed(ti->counter);
+	return (u64)readl_relaxed(ti->counter);
 }
 
 static struct ti_32k ti_32k_timer = {
diff --git a/drivers/clocksource/vt8500_timer.c b/drivers/clocksource/vt8500_timer.c
index b15069483fbd..d02b51075ad1 100644
--- a/drivers/clocksource/vt8500_timer.c
+++ b/drivers/clocksource/vt8500_timer.c
@@ -53,7 +53,7 @@
 
 static void __iomem *regbase;
 
-static cycle_t vt8500_timer_read(struct clocksource *cs)
+static u64 vt8500_timer_read(struct clocksource *cs)
 {
 	int loops = msecs_to_loops(10);
 	writel(3, regbase + TIMER_CTRL_VAL);
@@ -75,7 +75,7 @@ static int vt8500_timer_set_next_event(unsigned long cycles,
 				    struct clock_event_device *evt)
 {
 	int loops = msecs_to_loops(10);
-	cycle_t alarm = clocksource.read(&clocksource) + cycles;
+	u64 alarm = clocksource.read(&clocksource) + cycles;
 	while ((readl(regbase + TIMER_AS_VAL) & TIMER_MATCH_W_ACTIVE)
 						&& --loops)
 		cpu_relax();
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 451f899f74e4..c9297605058c 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -429,8 +429,8 @@ static int dmatest_func(void *data)
 	int			dst_cnt;
 	int			i;
 	ktime_t			ktime, start, diff;
-	ktime_t			filltime = ktime_set(0, 0);
-	ktime_t			comparetime = ktime_set(0, 0);
+	ktime_t			filltime = 0;
+	ktime_t			comparetime = 0;
 	s64			runtime = 0;
 	unsigned long long	total_len = 0;
 	u8			align = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index e4a5a5ac0ff3..762f8e82ceb7 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -752,7 +752,7 @@ static enum hrtimer_restart dce_virtual_vblank_timer_handle(struct hrtimer *vbla
 
 	drm_handle_vblank(ddev, amdgpu_crtc->crtc_id);
 	dce_virtual_pageflip(adev, amdgpu_crtc->crtc_id);
-	hrtimer_start(vblank_timer, ktime_set(0, DCE_VIRTUAL_VBLANK_PERIOD),
+	hrtimer_start(vblank_timer, DCE_VIRTUAL_VBLANK_PERIOD,
 		      HRTIMER_MODE_REL);
 
 	return HRTIMER_NORESTART;
@@ -772,11 +772,11 @@ static void dce_virtual_set_crtc_vblank_interrupt_state(struct amdgpu_device *ad
 		hrtimer_init(&adev->mode_info.crtcs[crtc]->vblank_timer,
 			     CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 		hrtimer_set_expires(&adev->mode_info.crtcs[crtc]->vblank_timer,
-				    ktime_set(0, DCE_VIRTUAL_VBLANK_PERIOD));
+				    DCE_VIRTUAL_VBLANK_PERIOD);
 		adev->mode_info.crtcs[crtc]->vblank_timer.function =
 			dce_virtual_vblank_timer_handle;
 		hrtimer_start(&adev->mode_info.crtcs[crtc]->vblank_timer,
-			      ktime_set(0, DCE_VIRTUAL_VBLANK_PERIOD), HRTIMER_MODE_REL);
+			      DCE_VIRTUAL_VBLANK_PERIOD, HRTIMER_MODE_REL);
 	} else if (!state && adev->mode_info.crtcs[crtc]->vsync_timer_enabled) {
 		DRM_DEBUG("Disable software vsync timer\n");
 		hrtimer_cancel(&adev->mode_info.crtcs[crtc]->vblank_timer);
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index d7be0d94ba4d..0bffd3f0c15d 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -62,7 +62,7 @@ fw_domain_arm_timer(struct intel_uncore_forcewake_domain *d)
 {
 	d->wake_count++;
 	hrtimer_start_range_ns(&d->timer,
-			       ktime_set(0, NSEC_PER_MSEC),
+			       NSEC_PER_MSEC,
 			       NSEC_PER_MSEC,
 			       HRTIMER_MODE_REL);
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index f2f348f0160c..a6126c93f215 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -330,7 +330,7 @@ nouveau_fence_wait_legacy(struct dma_fence *f, bool intr, long wait)
 		__set_current_state(intr ? TASK_INTERRUPTIBLE :
 					   TASK_UNINTERRUPTIBLE);
 
-		kt = ktime_set(0, sleep_time);
+		kt = sleep_time;
 		schedule_hrtimeout(&kt, HRTIMER_MODE_REL);
 		sleep_time *= 2;
 		if (sleep_time > NSEC_PER_MSEC)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 9942b0577d6e..725dffad5640 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -539,7 +539,7 @@ static void tilcdc_crtc_off(struct drm_crtc *crtc, bool shutdown)
 	}
 
 	drm_flip_work_commit(&tilcdc_crtc->unref_work, priv->wq);
-	tilcdc_crtc->last_vblank = ktime_set(0, 0);
+	tilcdc_crtc->last_vblank = 0;
 
 	tilcdc_crtc->enabled = false;
 	mutex_unlock(&tilcdc_crtc->enable_lock);
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 446802ae8f1b..b44b32f21e61 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -135,9 +135,9 @@ u64 hv_do_hypercall(u64 control, void *input, void *output)
 EXPORT_SYMBOL_GPL(hv_do_hypercall);
 
 #ifdef CONFIG_X86_64
-static cycle_t read_hv_clock_tsc(struct clocksource *arg)
+static u64 read_hv_clock_tsc(struct clocksource *arg)
 {
-	cycle_t current_tick;
+	u64 current_tick;
 	struct ms_hyperv_tsc_page *tsc_pg = hv_context.tsc_page;
 
 	if (tsc_pg->tsc_sequence != 0) {
@@ -146,7 +146,7 @@ static cycle_t read_hv_clock_tsc(struct clocksource *arg)
 		 */
 
 		while (1) {
-			cycle_t tmp;
+			u64 tmp;
 			u32 sequence = tsc_pg->tsc_sequence;
 			u64 cur_tsc;
 			u64 scale = tsc_pg->tsc_scale;
@@ -350,7 +350,7 @@ int hv_post_message(union hv_connection_id connection_id,
 static int hv_ce_set_next_event(unsigned long delta,
 				struct clock_event_device *evt)
 {
-	cycle_t current_tick;
+	u64 current_tick;
 
 	WARN_ON(!clockevent_state_oneshot(evt));
 
diff --git a/drivers/iio/trigger/iio-trig-hrtimer.c b/drivers/iio/trigger/iio-trig-hrtimer.c
index 5e6d451febeb..a1cad6cc2e0f 100644
--- a/drivers/iio/trigger/iio-trig-hrtimer.c
+++ b/drivers/iio/trigger/iio-trig-hrtimer.c
@@ -63,7 +63,7 @@ ssize_t iio_hrtimer_store_sampling_frequency(struct device *dev,
 		return -EINVAL;
 
 	info->sampling_frequency = val;
-	info->period = ktime_set(0, NSEC_PER_SEC / val);
+	info->period = NSEC_PER_SEC / val;
 
 	return len;
 }
@@ -141,8 +141,7 @@ static struct iio_sw_trigger *iio_trig_hrtimer_probe(const char *name)
 	trig_info->timer.function = iio_hrtimer_trig_handler;
 
 	trig_info->sampling_frequency = HRTIMER_DEFAULT_SAMPLING_FREQUENCY;
-	trig_info->period = ktime_set(0, NSEC_PER_SEC /
-				      trig_info->sampling_frequency);
+	trig_info->period = NSEC_PER_SEC / trig_info->sampling_frequency;
 
 	ret = iio_trigger_register(trig_info->swt.trigger);
 	if (ret)
diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c
index 70a893a17467..36a5b93156ed 100644
--- a/drivers/input/joystick/walkera0701.c
+++ b/drivers/input/joystick/walkera0701.c
@@ -165,7 +165,7 @@ static void walkera0701_irq_handler(void *handler_data)
 				RESERVE + BIN1_PULSE - BIN0_PULSE)	/* frame sync .. */
 		w->counter = 0;
 
-	hrtimer_start(&w->timer, ktime_set(0, BIN_SAMPLE), HRTIMER_MODE_REL);
+	hrtimer_start(&w->timer, BIN_SAMPLE, HRTIMER_MODE_REL);
 }
 
 static enum hrtimer_restart timer_handler(struct hrtimer
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index c0178a122940..c01c09e9916d 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -152,12 +152,12 @@ static inline void gic_map_to_vpe(unsigned int intr, unsigned int vpe)
 }
 
 #ifdef CONFIG_CLKSRC_MIPS_GIC
-cycle_t gic_read_count(void)
+u64 gic_read_count(void)
 {
 	unsigned int hi, hi2, lo;
 
 	if (mips_cm_is64)
-		return (cycle_t)gic_read(GIC_REG(SHARED, GIC_SH_COUNTER));
+		return (u64)gic_read(GIC_REG(SHARED, GIC_SH_COUNTER));
 
 	do {
 		hi = gic_read32(GIC_REG(SHARED, GIC_SH_COUNTER_63_32));
@@ -165,7 +165,7 @@ cycle_t gic_read_count(void)
 		hi2 = gic_read32(GIC_REG(SHARED, GIC_SH_COUNTER_63_32));
 	} while (hi2 != hi);
 
-	return (((cycle_t) hi) << 32) + lo;
+	return (((u64) hi) << 32) + lo;
 }
 
 unsigned int gic_get_count_width(void)
@@ -179,7 +179,7 @@ unsigned int gic_get_count_width(void)
 	return bits;
 }
 
-void gic_write_compare(cycle_t cnt)
+void gic_write_compare(u64 cnt)
 {
 	if (mips_cm_is64) {
 		gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE), cnt);
@@ -191,7 +191,7 @@ void gic_write_compare(cycle_t cnt)
 	}
 }
 
-void gic_write_cpu_compare(cycle_t cnt, int cpu)
+void gic_write_cpu_compare(u64 cnt, int cpu)
 {
 	unsigned long flags;
 
@@ -211,17 +211,17 @@ void gic_write_cpu_compare(cycle_t cnt, int cpu)
 	local_irq_restore(flags);
 }
 
-cycle_t gic_read_compare(void)
+u64 gic_read_compare(void)
 {
 	unsigned int hi, lo;
 
 	if (mips_cm_is64)
-		return (cycle_t)gic_read(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE));
+		return (u64)gic_read(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE));
 
 	hi = gic_read32(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE_HI));
 	lo = gic_read32(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE_LO));
 
-	return (((cycle_t) hi) << 32) + lo;
+	return (((u64) hi) << 32) + lo;
 }
 
 void gic_start_count(void)
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 4a36632c236f..4671f8a12872 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -87,8 +87,7 @@ static void msg_submit(struct mbox_chan *chan)
 
 	if (!err && (chan->txdone_method & TXDONE_BY_POLL))
 		/* kick start the timer immediately to avoid delays */
-		hrtimer_start(&chan->mbox->poll_hrt, ktime_set(0, 0),
-			      HRTIMER_MODE_REL);
+		hrtimer_start(&chan->mbox->poll_hrt, 0, HRTIMER_MODE_REL);
 }
 
 static void tx_tick(struct mbox_chan *chan, int r)
diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index 0c44479b556e..0c16bb213101 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -562,7 +562,7 @@ static int dvb_dmxdev_start_feed(struct dmxdev *dmxdev,
 				 struct dmxdev_filter *filter,
 				 struct dmxdev_feed *feed)
 {
-	ktime_t timeout = ktime_set(0, 0);
+	ktime_t timeout = 0;
 	struct dmx_pes_filter_params *para = &filter->params.pes;
 	dmx_output_t otype;
 	int ret;
diff --git a/drivers/media/pci/cx88/cx88-input.c b/drivers/media/pci/cx88/cx88-input.c
index dcfea3502e42..c7b3cb406499 100644
--- a/drivers/media/pci/cx88/cx88-input.c
+++ b/drivers/media/pci/cx88/cx88-input.c
@@ -178,8 +178,7 @@ static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer)
 	struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer);
 
 	cx88_ir_handle_key(ir);
-	missed = hrtimer_forward_now(&ir->timer,
-				     ktime_set(0, ir->polling * 1000000));
+	missed = hrtimer_forward_now(&ir->timer, ir->polling * 1000000);
 	if (missed > 1)
 		ir_dprintk("Missed ticks %ld\n", missed - 1);
 
@@ -199,8 +198,7 @@ static int __cx88_ir_start(void *priv)
 	if (ir->polling) {
 		hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 		ir->timer.function = cx88_ir_work;
-		hrtimer_start(&ir->timer,
-			      ktime_set(0, ir->polling * 1000000),
+		hrtimer_start(&ir->timer, ir->polling * 1000000,
 			      HRTIMER_MODE_REL);
 	}
 	if (ir->sampling) {
diff --git a/drivers/media/pci/pt3/pt3.c b/drivers/media/pci/pt3/pt3.c
index 7fb649e523f4..77f4d15f322b 100644
--- a/drivers/media/pci/pt3/pt3.c
+++ b/drivers/media/pci/pt3/pt3.c
@@ -463,7 +463,7 @@ static int pt3_fetch_thread(void *data)
 
 		pt3_proc_dma(adap);
 
-		delay = ktime_set(0, PT3_FETCH_DELAY * NSEC_PER_MSEC);
+		delay = PT3_FETCH_DELAY * NSEC_PER_MSEC;
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		freezable_schedule_hrtimeout_range(&delay,
 					PT3_FETCH_DELAY_DELTA * NSEC_PER_MSEC,
diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c
index 82fb6f2ca011..e6efa8c267a0 100644
--- a/drivers/media/rc/ir-rx51.c
+++ b/drivers/media/rc/ir-rx51.c
@@ -109,7 +109,7 @@ static enum hrtimer_restart lirc_rx51_timer_cb(struct hrtimer *timer)
 
 		now = timer->base->get_time();
 
-	} while (hrtimer_get_expires_tv64(timer) < now.tv64);
+	} while (hrtimer_get_expires_tv64(timer) < now);
 
 	return HRTIMER_RESTART;
 end:
diff --git a/drivers/net/can/softing/softing_fw.c b/drivers/net/can/softing/softing_fw.c
index 52fe50725d74..4063215c9b54 100644
--- a/drivers/net/can/softing/softing_fw.c
+++ b/drivers/net/can/softing/softing_fw.c
@@ -390,7 +390,7 @@ static void softing_initialize_timestamp(struct softing *card)
 	ovf = 0x100000000ULL * 16;
 	do_div(ovf, card->pdat->freq ?: 16);
 
-	card->ts_overflow = ktime_add_us(ktime_set(0, 0), ovf);
+	card->ts_overflow = ktime_add_us(0, ovf);
 }
 
 ktime_t softing_raw2ktime(struct softing *card, u32 raw)
@@ -647,7 +647,7 @@ int softing_startstop(struct net_device *dev, int up)
 		open_candev(netdev);
 		if (dev != netdev) {
 			/* notify other busses on the restart */
-			softing_netdev_rx(netdev, &msg, ktime_set(0, 0));
+			softing_netdev_rx(netdev, &msg, 0);
 			++priv->can.can_stats.restarts;
 		}
 		netif_wake_queue(netdev);
diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c
index 7621f91a8a20..5f64deec9f6c 100644
--- a/drivers/net/can/softing/softing_main.c
+++ b/drivers/net/can/softing/softing_main.c
@@ -192,7 +192,7 @@ static int softing_handle_1(struct softing *card)
 				/* a dead bus has no overflows */
 				continue;
 			++netdev->stats.rx_over_errors;
-			softing_netdev_rx(netdev, &msg, ktime_set(0, 0));
+			softing_netdev_rx(netdev, &msg, 0);
 		}
 		/* prepare for other use */
 		memset(&msg, 0, sizeof(msg));
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
index b03e4f58d02e..a533a6cc2d53 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
@@ -122,7 +122,7 @@
 #include "xgbe.h"
 #include "xgbe-common.h"
 
-static cycle_t xgbe_cc_read(const struct cyclecounter *cc)
+static u64 xgbe_cc_read(const struct cyclecounter *cc)
 {
 	struct xgbe_prv_data *pdata = container_of(cc,
 						   struct xgbe_prv_data,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 688617ac8c29..d8d06fdfc42b 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -15223,7 +15223,7 @@ void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb)
 }
 
 /* Read the PHC */
-static cycle_t bnx2x_cyclecounter_read(const struct cyclecounter *cc)
+static u64 bnx2x_cyclecounter_read(const struct cyclecounter *cc)
 {
 	struct bnx2x *bp = container_of(cc, struct bnx2x, cyclecounter);
 	int port = BP_PORT(bp);
diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c
index 57650953ff83..7bf78a0d322c 100644
--- a/drivers/net/ethernet/ec_bhf.c
+++ b/drivers/net/ethernet/ec_bhf.c
@@ -253,7 +253,7 @@ static enum hrtimer_restart ec_bhf_timer_fun(struct hrtimer *timer)
 	if (!netif_running(priv->net_dev))
 		return HRTIMER_NORESTART;
 
-	hrtimer_forward_now(timer, ktime_set(0, polling_frequency));
+	hrtimer_forward_now(timer, polling_frequency);
 	return HRTIMER_RESTART;
 }
 
@@ -427,8 +427,7 @@ static int ec_bhf_open(struct net_device *net_dev)
 
 	hrtimer_init(&priv->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	priv->hrtimer.function = ec_bhf_timer_fun;
-	hrtimer_start(&priv->hrtimer, ktime_set(0, polling_frequency),
-		      HRTIMER_MODE_REL);
+	hrtimer_start(&priv->hrtimer, polling_frequency, HRTIMER_MODE_REL);
 
 	return 0;
 
diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index f9e74461bdc0..6ebad3fac81d 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -230,7 +230,7 @@ static int fec_ptp_enable_pps(struct fec_enet_private *fep, uint enable)
  * cyclecounter structure used to construct a ns counter from the
  * arbitrary fixed point registers
  */
-static cycle_t fec_ptp_read(const struct cyclecounter *cc)
+static u64 fec_ptp_read(const struct cyclecounter *cc)
 {
 	struct fec_enet_private *fep =
 		container_of(cc, struct fec_enet_private, cc);
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index ffcf35af4881..eccf1da9356b 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -4305,24 +4305,24 @@ void e1000e_reinit_locked(struct e1000_adapter *adapter)
 /**
  * e1000e_sanitize_systim - sanitize raw cycle counter reads
  * @hw: pointer to the HW structure
- * @systim: cycle_t value read, sanitized and returned
+ * @systim: time value read, sanitized and returned
  *
  * Errata for 82574/82583 possible bad bits read from SYSTIMH/L:
  * check to see that the time is incrementing at a reasonable
  * rate and is a multiple of incvalue.
  **/
-static cycle_t e1000e_sanitize_systim(struct e1000_hw *hw, cycle_t systim)
+static u64 e1000e_sanitize_systim(struct e1000_hw *hw, u64 systim)
 {
 	u64 time_delta, rem, temp;
-	cycle_t systim_next;
+	u64 systim_next;
 	u32 incvalue;
 	int i;
 
 	incvalue = er32(TIMINCA) & E1000_TIMINCA_INCVALUE_MASK;
 	for (i = 0; i < E1000_MAX_82574_SYSTIM_REREADS; i++) {
 		/* latch SYSTIMH on read of SYSTIML */
-		systim_next = (cycle_t)er32(SYSTIML);
-		systim_next |= (cycle_t)er32(SYSTIMH) << 32;
+		systim_next = (u64)er32(SYSTIML);
+		systim_next |= (u64)er32(SYSTIMH) << 32;
 
 		time_delta = systim_next - systim;
 		temp = time_delta;
@@ -4342,13 +4342,13 @@ static cycle_t e1000e_sanitize_systim(struct e1000_hw *hw, cycle_t systim)
  * e1000e_cyclecounter_read - read raw cycle counter (used by time counter)
  * @cc: cyclecounter structure
  **/
-static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
+static u64 e1000e_cyclecounter_read(const struct cyclecounter *cc)
 {
 	struct e1000_adapter *adapter = container_of(cc, struct e1000_adapter,
 						     cc);
 	struct e1000_hw *hw = &adapter->hw;
 	u32 systimel, systimeh;
-	cycle_t systim;
+	u64 systim;
 	/* SYSTIMH latching upon SYSTIML read does not work well.
 	 * This means that if SYSTIML overflows after we read it but before
 	 * we read SYSTIMH, the value of SYSTIMH has been incremented and we
@@ -4368,8 +4368,8 @@ static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
 			systimel = systimel_2;
 		}
 	}
-	systim = (cycle_t)systimel;
-	systim |= (cycle_t)systimeh << 32;
+	systim = (u64)systimel;
+	systim |= (u64)systimeh << 32;
 
 	if (adapter->flags2 & FLAG2_CHECK_SYSTIM_OVERFLOW)
 		systim = e1000e_sanitize_systim(hw, systim);
diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c
index ad03763e009a..34cc3be0df8e 100644
--- a/drivers/net/ethernet/intel/e1000e/ptp.c
+++ b/drivers/net/ethernet/intel/e1000e/ptp.c
@@ -127,8 +127,8 @@ static int e1000e_phc_get_syncdevicetime(ktime_t *device,
 	unsigned long flags;
 	int i;
 	u32 tsync_ctrl;
-	cycle_t dev_cycles;
-	cycle_t sys_cycles;
+	u64 dev_cycles;
+	u64 sys_cycles;
 
 	tsync_ctrl = er32(TSYNCTXCTL);
 	tsync_ctrl |= E1000_TSYNCTXCTL_START_SYNC |
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index c30eea8399a7..c4477552ce9e 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -77,7 +77,7 @@
 static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter);
 
 /* SYSTIM read access for the 82576 */
-static cycle_t igb_ptp_read_82576(const struct cyclecounter *cc)
+static u64 igb_ptp_read_82576(const struct cyclecounter *cc)
 {
 	struct igb_adapter *igb = container_of(cc, struct igb_adapter, cc);
 	struct e1000_hw *hw = &igb->hw;
@@ -94,7 +94,7 @@ static cycle_t igb_ptp_read_82576(const struct cyclecounter *cc)
 }
 
 /* SYSTIM read access for the 82580 */
-static cycle_t igb_ptp_read_82580(const struct cyclecounter *cc)
+static u64 igb_ptp_read_82580(const struct cyclecounter *cc)
 {
 	struct igb_adapter *igb = container_of(cc, struct igb_adapter, cc);
 	struct e1000_hw *hw = &igb->hw;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index a92277683a64..1efb404431e9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -245,7 +245,7 @@ static void ixgbe_ptp_setup_sdp_x540(struct ixgbe_adapter *adapter)
  * result of SYSTIME is 32bits of "billions of cycles" and 32 bits of
  * "cycles", rather than seconds and nanoseconds.
  */
-static cycle_t ixgbe_ptp_read_X550(const struct cyclecounter *hw_cc)
+static u64 ixgbe_ptp_read_X550(const struct cyclecounter *hw_cc)
 {
 	struct ixgbe_adapter *adapter =
 			container_of(hw_cc, struct ixgbe_adapter, hw_cc);
@@ -282,7 +282,7 @@ static cycle_t ixgbe_ptp_read_X550(const struct cyclecounter *hw_cc)
  * cyclecounter structure used to construct a ns counter from the
  * arbitrary fixed point registers
  */
-static cycle_t ixgbe_ptp_read_82599(const struct cyclecounter *cc)
+static u64 ixgbe_ptp_read_82599(const struct cyclecounter *cc)
 {
 	struct ixgbe_adapter *adapter =
 		container_of(cc, struct ixgbe_adapter, hw_cc);
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index cda04b3126bc..4fe430ceb194 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -4913,7 +4913,7 @@ static void mvpp2_timer_set(struct mvpp2_port_pcpu *port_pcpu)
 
 	if (!port_pcpu->timer_scheduled) {
 		port_pcpu->timer_scheduled = true;
-		interval = ktime_set(0, MVPP2_TXDONE_HRTIMER_PERIOD_NS);
+		interval = MVPP2_TXDONE_HRTIMER_PERIOD_NS;
 		hrtimer_start(&port_pcpu->tx_done_timer, interval,
 			      HRTIMER_MODE_REL_PINNED);
 	}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index a5fc46bbcbe2..015198c14fa8 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -38,7 +38,7 @@
 
 /* mlx4_en_read_clock - read raw cycle counter (to be used by time counter)
  */
-static cycle_t mlx4_en_read_clock(const struct cyclecounter *tc)
+static u64 mlx4_en_read_clock(const struct cyclecounter *tc)
 {
 	struct mlx4_en_dev *mdev =
 		container_of(tc, struct mlx4_en_dev, cycles);
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index b2ca8a635b2e..5e7840a7a33b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -1823,10 +1823,10 @@ static void unmap_bf_area(struct mlx4_dev *dev)
 		io_mapping_free(mlx4_priv(dev)->bf_mapping);
 }
 
-cycle_t mlx4_read_clock(struct mlx4_dev *dev)
+u64 mlx4_read_clock(struct mlx4_dev *dev)
 {
 	u32 clockhi, clocklo, clockhi1;
-	cycle_t cycles;
+	u64 cycles;
 	int i;
 	struct mlx4_priv *priv = mlx4_priv(dev);
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
index 2cd8e56a573b..746a92c13644 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
@@ -49,7 +49,7 @@ void mlx5e_fill_hwstamp(struct mlx5e_tstamp *tstamp, u64 timestamp,
 	hwts->hwtstamp = ns_to_ktime(nsec);
 }
 
-static cycle_t mlx5e_read_internal_timer(const struct cyclecounter *cc)
+static u64 mlx5e_read_internal_timer(const struct cyclecounter *cc)
 {
 	struct mlx5e_tstamp *tstamp = container_of(cc, struct mlx5e_tstamp,
 						   cycles);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 7b4c339a8a9a..54e5a786f191 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -557,7 +557,7 @@ int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id)
 	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 }
 
-cycle_t mlx5_read_internal_timer(struct mlx5_core_dev *dev)
+u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev)
 {
 	u32 timer_h, timer_h1, timer_l;
 
@@ -567,7 +567,7 @@ cycle_t mlx5_read_internal_timer(struct mlx5_core_dev *dev)
 	if (timer_h != timer_h1) /* wrap around */
 		timer_l = ioread32be(&dev->iseg->internal_timer_l);
 
-	return (cycle_t)timer_l | (cycle_t)timer_h1 << 32;
+	return (u64)timer_l | (u64)timer_h1 << 32;
 }
 
 static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index e0a8fbdd1446..d4a99c9757cb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -106,7 +106,7 @@ int mlx5_modify_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
 int mlx5_destroy_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
 					u32 element_id);
 int mlx5_wait_for_vf_pages(struct mlx5_core_dev *dev);
-cycle_t mlx5_read_internal_timer(struct mlx5_core_dev *dev);
+u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev);
 u32 mlx5_get_msix_vec(struct mlx5_core_dev *dev, int vecidx);
 struct mlx5_eq *mlx5_eqn2eq(struct mlx5_core_dev *dev, int eqn);
 void mlx5_cq_tasklet_cb(unsigned long data);
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index 0c0d48e5bea4..32279d21c836 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -121,7 +121,7 @@ static int cpts_fifo_read(struct cpts *cpts, int match)
 	return type == match ? 0 : -1;
 }
 
-static cycle_t cpts_systim_read(const struct cyclecounter *cc)
+static u64 cpts_systim_read(const struct cyclecounter *cc)
 {
 	u64 val = 0;
 	struct cpts_event *event;
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 0aaf975bb347..2255f9a6f3bc 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -751,7 +751,7 @@ static void tile_net_schedule_tx_wake_timer(struct net_device *dev,
 		&info->mpipe[instance].tx_wake[priv->echannel];
 
 	hrtimer_start(&tx_wake->timer,
-		      ktime_set(0, TX_TIMER_DELAY_USEC * 1000UL),
+		      TX_TIMER_DELAY_USEC * 1000UL,
 		      HRTIMER_MODE_REL_PINNED);
 }
 
@@ -770,7 +770,7 @@ static void tile_net_schedule_egress_timer(void)
 
 	if (!info->egress_timer_scheduled) {
 		hrtimer_start(&info->egress_timer,
-			      ktime_set(0, EGRESS_TIMER_DELAY_USEC * 1000UL),
+			      EGRESS_TIMER_DELAY_USEC * 1000UL,
 			      HRTIMER_MODE_REL_PINNED);
 		info->egress_timer_scheduled = true;
 	}
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 057025722e3d..46d53a6c8cf8 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -510,7 +510,7 @@ at86rf230_async_state_delay(void *context)
 	case STATE_TRX_OFF:
 		switch (ctx->to_state) {
 		case STATE_RX_AACK_ON:
-			tim = ktime_set(0, c->t_off_to_aack * NSEC_PER_USEC);
+			tim = c->t_off_to_aack * NSEC_PER_USEC;
 			/* state change from TRX_OFF to RX_AACK_ON to do a
 			 * calibration, we need to reset the timeout for the
 			 * next one.
@@ -519,7 +519,7 @@ at86rf230_async_state_delay(void *context)
 			goto change;
 		case STATE_TX_ARET_ON:
 		case STATE_TX_ON:
-			tim = ktime_set(0, c->t_off_to_tx_on * NSEC_PER_USEC);
+			tim = c->t_off_to_tx_on * NSEC_PER_USEC;
 			/* state change from TRX_OFF to TX_ON or ARET_ON to do
 			 * a calibration, we need to reset the timeout for the
 			 * next one.
@@ -539,8 +539,7 @@ at86rf230_async_state_delay(void *context)
 			 * to TX_ON or TRX_OFF.
 			 */
 			if (!force) {
-				tim = ktime_set(0, (c->t_frame + c->t_p_ack) *
-						   NSEC_PER_USEC);
+				tim = (c->t_frame + c->t_p_ack) * NSEC_PER_USEC;
 				goto change;
 			}
 			break;
@@ -552,7 +551,7 @@ at86rf230_async_state_delay(void *context)
 	case STATE_P_ON:
 		switch (ctx->to_state) {
 		case STATE_TRX_OFF:
-			tim = ktime_set(0, c->t_reset_to_off * NSEC_PER_USEC);
+			tim = c->t_reset_to_off * NSEC_PER_USEC;
 			goto change;
 		default:
 			break;
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 2d1a6f2e16ab..f317984f7536 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1282,7 +1282,7 @@ static void cdc_ncm_tx_timeout_start(struct cdc_ncm_ctx *ctx)
 	/* start timer, if not already started */
 	if (!(hrtimer_active(&ctx->tx_timer) || atomic_read(&ctx->stop)))
 		hrtimer_start(&ctx->tx_timer,
-				ktime_set(0, ctx->timer_interval),
+				ctx->timer_interval,
 				HRTIMER_MODE_REL);
 }
 
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
index 9f61293f1a56..f38c44061b5b 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
@@ -177,7 +177,7 @@ static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 	if (rt2800usb_txstatus_pending(rt2x00dev)) {
 		/* Read register after 1 ms */
 		hrtimer_start(&rt2x00dev->txstatus_timer,
-			      ktime_set(0, TXSTATUS_READ_INTERVAL),
+			      TXSTATUS_READ_INTERVAL,
 			      HRTIMER_MODE_REL);
 		return false;
 	}
@@ -204,7 +204,7 @@ static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
 
 	/* Read TX_STA_FIFO register after 2 ms */
 	hrtimer_start(&rt2x00dev->txstatus_timer,
-		      ktime_set(0, 2*TXSTATUS_READ_INTERVAL),
+		      2 * TXSTATUS_READ_INTERVAL,
 		      HRTIMER_MODE_REL);
 }
 
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 9236e40ac055..1800befa8b8b 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3044,7 +3044,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x0e0d, quirk_intel_ntb);
 static ktime_t fixup_debug_start(struct pci_dev *dev,
 				 void (*fn)(struct pci_dev *dev))
 {
-	ktime_t calltime = ktime_set(0, 0);
+	ktime_t calltime = 0;
 
 	dev_dbg(&dev->dev, "calling %pF\n", fn);
 	if (initcall_debug) {
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index 978e6d640572..9a32f8627ecc 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -283,7 +283,7 @@ static int __init msi_wmi_input_setup(void)
 	if (err)
 		goto err_free_keymap;
 
-	last_pressed = ktime_set(0, 0);
+	last_pressed = 0;
 
 	return 0;
 
diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c
index 15fed9d8f871..bfcd6fba6363 100644
--- a/drivers/power/reset/ltc2952-poweroff.c
+++ b/drivers/power/reset/ltc2952-poweroff.c
@@ -169,7 +169,7 @@ static void ltc2952_poweroff_kill(void)
 
 static void ltc2952_poweroff_default(struct ltc2952_poweroff *data)
 {
-	data->wde_interval = ktime_set(0, 300L*1E6L);
+	data->wde_interval = 300L * 1E6L;
 	data->trigger_delay = ktime_set(2, 500L*1E6L);
 
 	hrtimer_init(&data->timer_trigger, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 84a52db9b05f..fc0fa7577636 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -363,7 +363,7 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 		rtc_timer_remove(rtc, &rtc->aie_timer);
 
 	rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
-	rtc->aie_timer.period = ktime_set(0, 0);
+	rtc->aie_timer.period = 0;
 	if (alarm->enabled)
 		err = rtc_timer_enqueue(rtc, &rtc->aie_timer);
 
@@ -391,11 +391,11 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 		return err;
 
 	rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
-	rtc->aie_timer.period = ktime_set(0, 0);
+	rtc->aie_timer.period = 0;
 
 	/* Alarm has to be enabled & in the future for us to enqueue it */
-	if (alarm->enabled && (rtc_tm_to_ktime(now).tv64 <
-			 rtc->aie_timer.node.expires.tv64)) {
+	if (alarm->enabled && (rtc_tm_to_ktime(now) <
+			 rtc->aie_timer.node.expires)) {
 
 		rtc->aie_timer.enabled = 1;
 		timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
@@ -554,7 +554,7 @@ enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer)
 	int count;
 	rtc = container_of(timer, struct rtc_device, pie_timer);
 
-	period = ktime_set(0, NSEC_PER_SEC/rtc->irq_freq);
+	period = NSEC_PER_SEC / rtc->irq_freq;
 	count = hrtimer_forward_now(timer, period);
 
 	rtc_handle_legacy_irq(rtc, count, RTC_PF);
@@ -665,7 +665,7 @@ static int rtc_update_hrtimer(struct rtc_device *rtc, int enabled)
 		return -1;
 
 	if (enabled) {
-		ktime_t period = ktime_set(0, NSEC_PER_SEC / rtc->irq_freq);
+		ktime_t period = NSEC_PER_SEC / rtc->irq_freq;
 
 		hrtimer_start(&rtc->pie_timer, period, HRTIMER_MODE_REL);
 	}
@@ -766,7 +766,7 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
 
 	/* Skip over expired timers */
 	while (next) {
-		if (next->expires.tv64 >= now.tv64)
+		if (next->expires >= now)
 			break;
 		next = timerqueue_iterate_next(next);
 	}
@@ -858,7 +858,7 @@ void rtc_timer_do_work(struct work_struct *work)
 	__rtc_read_time(rtc, &tm);
 	now = rtc_tm_to_ktime(tm);
 	while ((next = timerqueue_getnext(&rtc->timerqueue))) {
-		if (next->expires.tv64 > now.tv64)
+		if (next->expires > now)
 			break;
 
 		/* expire timer */
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 6d75984a3d85..5fa699192864 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -333,7 +333,7 @@ void ap_wait(enum ap_wait wait)
 	case AP_WAIT_TIMEOUT:
 		spin_lock_bh(&ap_poll_timer_lock);
 		if (!hrtimer_is_queued(&ap_poll_timer)) {
-			hr_time = ktime_set(0, poll_timeout);
+			hr_time = poll_timeout;
 			hrtimer_forward_now(&ap_poll_timer, hr_time);
 			hrtimer_restart(&ap_poll_timer);
 		}
@@ -860,7 +860,7 @@ static ssize_t poll_timeout_store(struct bus_type *bus, const char *buf,
 	    time > 120000000000ULL)
 		return -EINVAL;
 	poll_timeout = time;
-	hr_time = ktime_set(0, poll_timeout);
+	hr_time = poll_timeout;
 
 	spin_lock_bh(&ap_poll_timer_lock);
 	hrtimer_cancel(&ap_poll_timer);
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index 2583e8b50b21..3d3768aaab4f 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -1694,7 +1694,7 @@ static void srp_snd_msg_failed(struct scsi_info *vscsi, long rc)
 		if (!vscsi->rsp_q_timer.started) {
 			if (vscsi->rsp_q_timer.timer_pops <
 			    MAX_TIMER_POPS) {
-				kt = ktime_set(0, WAIT_NANO_SECONDS);
+				kt = WAIT_NANO_SECONDS;
 			} else {
 				/*
 				 * slide the timeslice if the maximum
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index cf04a364fd8b..03051e12a072 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -4085,7 +4085,7 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
 			jiffies_to_timespec(delta_jiff, &ts);
 			kt = ktime_set(ts.tv_sec, ts.tv_nsec);
 		} else
-			kt = ktime_set(0, sdebug_ndelay);
+			kt = sdebug_ndelay;
 		if (NULL == sd_dp) {
 			sd_dp = kzalloc(sizeof(*sd_dp), GFP_ATOMIC);
 			if (NULL == sd_dp)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index a2c2817fc566..20e5e5fb048c 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -930,7 +930,7 @@ static void ufshcd_clk_scaling_update_busy(struct ufs_hba *hba)
 	if (!hba->outstanding_reqs && scaling->is_busy_started) {
 		scaling->tot_busy_t += ktime_to_us(ktime_sub(ktime_get(),
 					scaling->busy_start_t));
-		scaling->busy_start_t = ktime_set(0, 0);
+		scaling->busy_start_t = 0;
 		scaling->is_busy_started = false;
 	}
 }
@@ -6661,7 +6661,7 @@ static int ufshcd_devfreq_get_dev_status(struct device *dev,
 		scaling->busy_start_t = ktime_get();
 		scaling->is_busy_started = true;
 	} else {
-		scaling->busy_start_t = ktime_set(0, 0);
+		scaling->busy_start_t = 0;
 		scaling->is_busy_started = false;
 	}
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
index de8e22ec3902..93e24ce61a3a 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -234,8 +234,8 @@ static void ci_otg_add_timer(struct ci_hdrc *ci, enum otg_fsm_timer t)
 				ktime_set(timer_sec, timer_nsec));
 	ci->enabled_otg_timer_bits |= (1 << t);
 	if ((ci->next_otg_timer == NUM_OTG_FSM_TIMERS) ||
-			(ci->hr_timeouts[ci->next_otg_timer].tv64 >
-						ci->hr_timeouts[t].tv64)) {
+			(ci->hr_timeouts[ci->next_otg_timer] >
+						ci->hr_timeouts[t])) {
 			ci->next_otg_timer = t;
 			hrtimer_start_range_ns(&ci->otg_fsm_hrtimer,
 					ci->hr_timeouts[t], NSEC_PER_MSEC,
@@ -269,8 +269,8 @@ static void ci_otg_del_timer(struct ci_hdrc *ci, enum otg_fsm_timer t)
 			for_each_set_bit(cur_timer, &enabled_timer_bits,
 							NUM_OTG_FSM_TIMERS) {
 				if ((next_timer == NUM_OTG_FSM_TIMERS) ||
-					(ci->hr_timeouts[next_timer].tv64 <
-					ci->hr_timeouts[cur_timer].tv64))
+					(ci->hr_timeouts[next_timer] <
+					 ci->hr_timeouts[cur_timer]))
 					next_timer = cur_timer;
 			}
 		}
@@ -397,14 +397,14 @@ static enum hrtimer_restart ci_otg_hrtimer_func(struct hrtimer *t)
 
 	now = ktime_get();
 	for_each_set_bit(cur_timer, &enabled_timer_bits, NUM_OTG_FSM_TIMERS) {
-		if (now.tv64 >= ci->hr_timeouts[cur_timer].tv64) {
+		if (now >= ci->hr_timeouts[cur_timer]) {
 			ci->enabled_otg_timer_bits &= ~(1 << cur_timer);
 			if (otg_timer_handlers[cur_timer])
 				ret = otg_timer_handlers[cur_timer](ci);
 		} else {
 			if ((next_timer == NUM_OTG_FSM_TIMERS) ||
-				(ci->hr_timeouts[cur_timer].tv64 <
-					ci->hr_timeouts[next_timer].tv64))
+				(ci->hr_timeouts[cur_timer] <
+					ci->hr_timeouts[next_timer]))
 				next_timer = cur_timer;
 		}
 	}
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index e8008fa35e1e..224717e63a53 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1113,8 +1113,7 @@ static struct sk_buff *ncm_wrap_ntb(struct gether *port,
 		}
 
 		/* Delay the timer. */
-		hrtimer_start(&ncm->task_timer,
-			      ktime_set(0, TX_TIMEOUT_NSECS),
+		hrtimer_start(&ncm->task_timer, TX_TIMEOUT_NSECS,
 			      HRTIMER_MODE_REL);
 
 		/* Add the datagram position entries */
diff --git a/drivers/usb/host/ehci-timer.c b/drivers/usb/host/ehci-timer.c
index 69f50e6533a6..3893b5bafd87 100644
--- a/drivers/usb/host/ehci-timer.c
+++ b/drivers/usb/host/ehci-timer.c
@@ -88,8 +88,7 @@ static void ehci_enable_event(struct ehci_hcd *ehci, unsigned event,
 	ktime_t		*timeout = &ehci->hr_timeouts[event];
 
 	if (resched)
-		*timeout = ktime_add(ktime_get(),
-				ktime_set(0, event_delays_ns[event]));
+		*timeout = ktime_add(ktime_get(), event_delays_ns[event]);
 	ehci->enabled_hrtimer_events |= (1 << event);
 
 	/* Track only the lowest-numbered pending event */
@@ -425,7 +424,7 @@ static enum hrtimer_restart ehci_hrtimer_func(struct hrtimer *t)
 	 */
 	now = ktime_get();
 	for_each_set_bit(e, &events, EHCI_HRTIMER_NUM_EVENTS) {
-		if (now.tv64 >= ehci->hr_timeouts[e].tv64)
+		if (now >= ehci->hr_timeouts[e])
 			event_handlers[e](ehci);
 		else
 			ehci_enable_event(ehci, e, false);
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 66efa9a67687..9d0b0518290a 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -1080,8 +1080,7 @@ static void fotg210_enable_event(struct fotg210_hcd *fotg210, unsigned event,
 	ktime_t *timeout = &fotg210->hr_timeouts[event];
 
 	if (resched)
-		*timeout = ktime_add(ktime_get(),
-				ktime_set(0, event_delays_ns[event]));
+		*timeout = ktime_add(ktime_get(), event_delays_ns[event]);
 	fotg210->enabled_hrtimer_events |= (1 << event);
 
 	/* Track only the lowest-numbered pending event */
@@ -1381,7 +1380,7 @@ static enum hrtimer_restart fotg210_hrtimer_func(struct hrtimer *t)
 	 */
 	now = ktime_get();
 	for_each_set_bit(e, &events, FOTG210_HRTIMER_NUM_EVENTS) {
-		if (now.tv64 >= fotg210->hr_timeouts[e].tv64)
+		if (now >= fotg210->hr_timeouts[e])
 			event_handlers[e](fotg210);
 		else
 			fotg210_enable_event(fotg210, e, false);
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
index d4d7c56b48c7..16363852c034 100644
--- a/drivers/usb/musb/musb_cppi41.c
+++ b/drivers/usb/musb/musb_cppi41.c
@@ -197,8 +197,7 @@ static enum hrtimer_restart cppi41_recheck_tx_req(struct hrtimer *timer)
 	if (!list_empty(&controller->early_tx_list) &&
 	    !hrtimer_is_queued(&controller->early_tx)) {
 		ret = HRTIMER_RESTART;
-		hrtimer_forward_now(&controller->early_tx,
-				ktime_set(0, 20 * NSEC_PER_USEC));
+		hrtimer_forward_now(&controller->early_tx, 20 * NSEC_PER_USEC);
 	}
 
 	spin_unlock_irqrestore(&musb->lock, flags);
@@ -280,9 +279,9 @@ static void cppi41_dma_callback(void *private_data)
 		unsigned long usecs = cppi41_channel->total_len / 10;
 
 		hrtimer_start_range_ns(&controller->early_tx,
-				ktime_set(0, usecs * NSEC_PER_USEC),
-				20 * NSEC_PER_USEC,
-				HRTIMER_MODE_REL);
+				       usecs * NSEC_PER_USEC,
+				       20 * NSEC_PER_USEC,
+				       HRTIMER_MODE_REL);
 	}
 
 out:
diff --git a/fs/aio.c b/fs/aio.c
index 955c5241a8f2..4ab67e8cb776 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1285,7 +1285,7 @@ static long read_events(struct kioctx *ctx, long min_nr, long nr,
 			struct io_event __user *event,
 			struct timespec __user *timeout)
 {
-	ktime_t until = { .tv64 = KTIME_MAX };
+	ktime_t until = KTIME_MAX;
 	long ret = 0;
 
 	if (timeout) {
@@ -1311,7 +1311,7 @@ static long read_events(struct kioctx *ctx, long min_nr, long nr,
 	 * the ringbuffer empty. So in practice we should be ok, but it's
 	 * something to be aware of when touching this code.
 	 */
-	if (until.tv64 == 0)
+	if (until == 0)
 		aio_read_events(ctx, min_nr, nr, event, &ret);
 	else
 		wait_event_interruptible_hrtimeout(ctx->wait,
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 35502d4046f5..6df332296c66 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1395,7 +1395,6 @@ static int nodeid_warned(int nodeid, int num_nodes, int *warned)
 void dlm_scan_waiters(struct dlm_ls *ls)
 {
 	struct dlm_lkb *lkb;
-	ktime_t zero = ktime_set(0, 0);
 	s64 us;
 	s64 debug_maxus = 0;
 	u32 debug_scanned = 0;
@@ -1409,7 +1408,7 @@ void dlm_scan_waiters(struct dlm_ls *ls)
 	mutex_lock(&ls->ls_waiters_mutex);
 
 	list_for_each_entry(lkb, &ls->ls_waiters, lkb_wait_reply) {
-		if (ktime_equal(lkb->lkb_wait_time, zero))
+		if (!lkb->lkb_wait_time)
 			continue;
 
 		debug_scanned++;
@@ -1419,7 +1418,7 @@ void dlm_scan_waiters(struct dlm_ls *ls)
 		if (us < dlm_config.ci_waitwarn_us)
 			continue;
 
-		lkb->lkb_wait_time = zero;
+		lkb->lkb_wait_time = 0;
 
 		debug_expired++;
 		if (us > debug_maxus)
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index f7b3ba61add5..94f50cac91c6 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -695,7 +695,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
 	gl->gl_target = LM_ST_UNLOCKED;
 	gl->gl_demote_state = LM_ST_EXCLUSIVE;
 	gl->gl_ops = glops;
-	gl->gl_dstamp = ktime_set(0, 0);
+	gl->gl_dstamp = 0;
 	preempt_disable();
 	/* We use the global stats to estimate the initial per-glock stats */
 	gl->gl_stats = this_cpu_ptr(sdp->sd_lkstats)->lkstats[glops->go_type];
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 45962fe5098c..0ca4af8cca5d 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -619,12 +619,11 @@ nfs4_ff_layoutstat_start_io(struct nfs4_ff_layout_mirror *mirror,
 			    struct nfs4_ff_layoutstat *layoutstat,
 			    ktime_t now)
 {
-	static const ktime_t notime = {0};
 	s64 report_interval = FF_LAYOUTSTATS_REPORT_INTERVAL;
 	struct nfs4_flexfile_layout *ffl = FF_LAYOUT_FROM_HDR(mirror->layout);
 
 	nfs4_ff_start_busy_timer(&layoutstat->busy_timer, now);
-	if (ktime_equal(mirror->start_time, notime))
+	if (!mirror->start_time)
 		mirror->start_time = now;
 	if (mirror->report_interval != 0)
 		report_interval = (s64)mirror->report_interval * 1000LL;
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 96a155ab5059..f6e871760f8d 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1250,7 +1250,7 @@ static int o2hb_thread(void *data)
 
 		mlog(ML_HEARTBEAT,
 		     "start = %lld, end = %lld, msec = %u, ret = %d\n",
-		     before_hb.tv64, after_hb.tv64, elapsed_msec, ret);
+		     before_hb, after_hb, elapsed_msec, ret);
 
 		if (!kthread_should_stop() &&
 		    elapsed_msec < reg->hr_timeout_ms) {
diff --git a/fs/timerfd.c b/fs/timerfd.c
index 9ae4abb4110b..c173cc196175 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -55,7 +55,7 @@ static inline bool isalarm(struct timerfd_ctx *ctx)
 /*
  * This gets called when the timer event triggers. We set the "expired"
  * flag, but we do not re-arm the timer (in case it's necessary,
- * tintv.tv64 != 0) until the timer is accessed.
+ * tintv != 0) until the timer is accessed.
  */
 static void timerfd_triggered(struct timerfd_ctx *ctx)
 {
@@ -93,7 +93,7 @@ static enum alarmtimer_restart timerfd_alarmproc(struct alarm *alarm,
  */
 void timerfd_clock_was_set(void)
 {
-	ktime_t moffs = ktime_mono_to_real((ktime_t){ .tv64 = 0 });
+	ktime_t moffs = ktime_mono_to_real(0);
 	struct timerfd_ctx *ctx;
 	unsigned long flags;
 
@@ -102,8 +102,8 @@ void timerfd_clock_was_set(void)
 		if (!ctx->might_cancel)
 			continue;
 		spin_lock_irqsave(&ctx->wqh.lock, flags);
-		if (ctx->moffs.tv64 != moffs.tv64) {
-			ctx->moffs.tv64 = KTIME_MAX;
+		if (ctx->moffs != moffs) {
+			ctx->moffs = KTIME_MAX;
 			ctx->ticks++;
 			wake_up_locked(&ctx->wqh);
 		}
@@ -124,9 +124,9 @@ static void timerfd_remove_cancel(struct timerfd_ctx *ctx)
 
 static bool timerfd_canceled(struct timerfd_ctx *ctx)
 {
-	if (!ctx->might_cancel || ctx->moffs.tv64 != KTIME_MAX)
+	if (!ctx->might_cancel || ctx->moffs != KTIME_MAX)
 		return false;
-	ctx->moffs = ktime_mono_to_real((ktime_t){ .tv64 = 0 });
+	ctx->moffs = ktime_mono_to_real(0);
 	return true;
 }
 
@@ -155,7 +155,7 @@ static ktime_t timerfd_get_remaining(struct timerfd_ctx *ctx)
 	else
 		remaining = hrtimer_expires_remaining_adjusted(&ctx->t.tmr);
 
-	return remaining.tv64 < 0 ? ktime_set(0, 0): remaining;
+	return remaining < 0 ? 0: remaining;
 }
 
 static int timerfd_setup(struct timerfd_ctx *ctx, int flags,
@@ -184,7 +184,7 @@ static int timerfd_setup(struct timerfd_ctx *ctx, int flags,
 		ctx->t.tmr.function = timerfd_tmrproc;
 	}
 
-	if (texp.tv64 != 0) {
+	if (texp != 0) {
 		if (isalarm(ctx)) {
 			if (flags & TFD_TIMER_ABSTIME)
 				alarm_start(&ctx->t.alarm, texp);
@@ -261,9 +261,9 @@ static ssize_t timerfd_read(struct file *file, char __user *buf, size_t count,
 	if (ctx->ticks) {
 		ticks = ctx->ticks;
 
-		if (ctx->expired && ctx->tintv.tv64) {
+		if (ctx->expired && ctx->tintv) {
 			/*
-			 * If tintv.tv64 != 0, this is a periodic timer that
+			 * If tintv != 0, this is a periodic timer that
 			 * needs to be re-armed. We avoid doing it in the timer
 			 * callback to avoid DoS attacks specifying a very
 			 * short timer period.
@@ -410,7 +410,7 @@ SYSCALL_DEFINE2(timerfd_create, int, clockid, int, flags)
 	else
 		hrtimer_init(&ctx->t.tmr, clockid, HRTIMER_MODE_ABS);
 
-	ctx->moffs = ktime_mono_to_real((ktime_t){ .tv64 = 0 });
+	ctx->moffs = ktime_mono_to_real(0);
 
 	ufd = anon_inode_getfd("[timerfd]", &timerfd_fops, ctx,
 			       O_RDWR | (flags & TFD_SHARED_FCNTL_FLAGS));
@@ -469,7 +469,7 @@ static int do_timerfd_settime(int ufd, int flags,
 	 * We do not update "ticks" and "expired" since the timer will be
 	 * re-programmed again in the following timerfd_setup() call.
 	 */
-	if (ctx->expired && ctx->tintv.tv64) {
+	if (ctx->expired && ctx->tintv) {
 		if (isalarm(ctx))
 			alarm_forward_now(&ctx->t.alarm, ctx->tintv);
 		else
@@ -499,7 +499,7 @@ static int do_timerfd_gettime(int ufd, struct itimerspec *t)
 	ctx = f.file->private_data;
 
 	spin_lock_irq(&ctx->wqh.lock);
-	if (ctx->expired && ctx->tintv.tv64) {
+	if (ctx->expired && ctx->tintv) {
 		ctx->expired = 0;
 
 		if (isalarm(ctx)) {
diff --git a/include/kvm/arm_arch_timer.h b/include/kvm/arm_arch_timer.h
index dda39d8fa189..b717ed9d2b75 100644
--- a/include/kvm/arm_arch_timer.h
+++ b/include/kvm/arm_arch_timer.h
@@ -25,13 +25,13 @@
 
 struct arch_timer_kvm {
 	/* Virtual offset */
-	cycle_t			cntvoff;
+	u64			cntvoff;
 };
 
 struct arch_timer_cpu {
 	/* Registers: control register, timer value */
 	u32				cntv_ctl;	/* Saved/restored */
-	cycle_t				cntv_cval;	/* Saved/restored */
+	u64				cntv_cval;	/* Saved/restored */
 
 	/*
 	 * Anything that is not used directly from assembly code goes
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 65602d395a52..e315d04a2fd9 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -75,8 +75,8 @@ struct module;
  * structure.
  */
 struct clocksource {
-	cycle_t (*read)(struct clocksource *cs);
-	cycle_t mask;
+	u64 (*read)(struct clocksource *cs);
+	u64 mask;
 	u32 mult;
 	u32 shift;
 	u64 max_idle_ns;
@@ -98,8 +98,8 @@ struct clocksource {
 #ifdef CONFIG_CLOCKSOURCE_WATCHDOG
 	/* Watchdog related data, used by the framework */
 	struct list_head wd_list;
-	cycle_t cs_last;
-	cycle_t wd_last;
+	u64 cs_last;
+	u64 wd_last;
 #endif
 	struct module *owner;
 };
@@ -117,7 +117,7 @@ struct clocksource {
 #define CLOCK_SOURCE_RESELECT			0x100
 
 /* simplify initialization of mask field */
-#define CLOCKSOURCE_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
+#define CLOCKSOURCE_MASK(bits) (u64)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
 
 static inline u32 clocksource_freq2mult(u32 freq, u32 shift_constant, u64 from)
 {
@@ -176,7 +176,7 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
  *
  * XXX - This could use some mult_lxl_ll() asm optimization
  */
-static inline s64 clocksource_cyc2ns(cycle_t cycles, u32 mult, u32 shift)
+static inline s64 clocksource_cyc2ns(u64 cycles, u32 mult, u32 shift)
 {
 	return ((u64) cycles * mult) >> shift;
 }
@@ -236,13 +236,13 @@ static inline void __clocksource_update_freq_khz(struct clocksource *cs, u32 khz
 
 extern int timekeeping_notify(struct clocksource *clock);
 
-extern cycle_t clocksource_mmio_readl_up(struct clocksource *);
-extern cycle_t clocksource_mmio_readl_down(struct clocksource *);
-extern cycle_t clocksource_mmio_readw_up(struct clocksource *);
-extern cycle_t clocksource_mmio_readw_down(struct clocksource *);
+extern u64 clocksource_mmio_readl_up(struct clocksource *);
+extern u64 clocksource_mmio_readl_down(struct clocksource *);
+extern u64 clocksource_mmio_readw_up(struct clocksource *);
+extern u64 clocksource_mmio_readw_down(struct clocksource *);
 
 extern int clocksource_mmio_init(void __iomem *, const char *,
-	unsigned long, int, unsigned, cycle_t (*)(struct clocksource *));
+	unsigned long, int, unsigned, u64 (*)(struct clocksource *));
 
 extern int clocksource_i8253_init(void);
 
diff --git a/include/linux/dw_apb_timer.h b/include/linux/dw_apb_timer.h
index 1f79b20918b1..4334106f44c3 100644
--- a/include/linux/dw_apb_timer.h
+++ b/include/linux/dw_apb_timer.h
@@ -50,6 +50,6 @@ dw_apb_clocksource_init(unsigned rating, const char *name, void __iomem *base,
 			unsigned long freq);
 void dw_apb_clocksource_register(struct dw_apb_clocksource *dw_cs);
 void dw_apb_clocksource_start(struct dw_apb_clocksource *dw_cs);
-cycle_t dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs);
+u64 dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs);
 
 #endif /* __DW_APB_TIMER_H__ */
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 6435f46d6e13..7c5b694864cd 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -1,14 +1,14 @@
 #ifndef _LINUX_FUTEX_H
 #define _LINUX_FUTEX_H
 
+#include <linux/ktime.h>
 #include <uapi/linux/futex.h>
 
 struct inode;
 struct mm_struct;
 struct task_struct;
-union ktime;
 
-long do_futex(u32 __user *uaddr, int op, u32 val, union ktime *timeout,
+long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout,
 	      u32 __user *uaddr2, u32 val2, u32 val3);
 
 extern int
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 5e00f80b1535..cdab81ba29f8 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -228,8 +228,8 @@ static inline void hrtimer_set_expires_range_ns(struct hrtimer *timer, ktime_t t
 
 static inline void hrtimer_set_expires_tv64(struct hrtimer *timer, s64 tv64)
 {
-	timer->node.expires.tv64 = tv64;
-	timer->_softexpires.tv64 = tv64;
+	timer->node.expires = tv64;
+	timer->_softexpires = tv64;
 }
 
 static inline void hrtimer_add_expires(struct hrtimer *timer, ktime_t time)
@@ -256,11 +256,11 @@ static inline ktime_t hrtimer_get_softexpires(const struct hrtimer *timer)
 
 static inline s64 hrtimer_get_expires_tv64(const struct hrtimer *timer)
 {
-	return timer->node.expires.tv64;
+	return timer->node.expires;
 }
 static inline s64 hrtimer_get_softexpires_tv64(const struct hrtimer *timer)
 {
-	return timer->_softexpires.tv64;
+	return timer->_softexpires;
 }
 
 static inline s64 hrtimer_get_expires_ns(const struct hrtimer *timer)
@@ -297,7 +297,7 @@ extern void hrtimer_peek_ahead_timers(void);
  * this resolution values.
  */
 # define HIGH_RES_NSEC		1
-# define KTIME_HIGH_RES		(ktime_t) { .tv64 = HIGH_RES_NSEC }
+# define KTIME_HIGH_RES		(HIGH_RES_NSEC)
 # define MONOTONIC_RES_NSEC	HIGH_RES_NSEC
 # define KTIME_MONOTONIC_RES	KTIME_HIGH_RES
 
@@ -333,7 +333,7 @@ __hrtimer_expires_remaining_adjusted(const struct hrtimer *timer, ktime_t now)
 	 * hrtimer_start_range_ns() to prevent short timeouts.
 	 */
 	if (IS_ENABLED(CONFIG_TIME_LOW_RES) && timer->is_rel)
-		rem.tv64 -= hrtimer_resolution;
+		rem -= hrtimer_resolution;
 	return rem;
 }
 
diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h
index 81f930b0bca9..7b49c71c968b 100644
--- a/include/linux/irqchip/mips-gic.h
+++ b/include/linux/irqchip/mips-gic.h
@@ -259,11 +259,11 @@ extern void gic_init(unsigned long gic_base_addr,
 	unsigned long gic_addrspace_size, unsigned int cpu_vec,
 	unsigned int irqbase);
 extern void gic_clocksource_init(unsigned int);
-extern cycle_t gic_read_count(void);
+extern u64 gic_read_count(void);
 extern unsigned int gic_get_count_width(void);
-extern cycle_t gic_read_compare(void);
-extern void gic_write_compare(cycle_t cnt);
-extern void gic_write_cpu_compare(cycle_t cnt, int cpu);
+extern u64 gic_read_compare(void);
+extern void gic_write_compare(u64 cnt);
+extern void gic_write_cpu_compare(u64 cnt, int cpu);
 extern void gic_start_count(void);
 extern void gic_stop_count(void);
 extern int gic_get_c0_compare_int(void);
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 0fb7ffb1775f..0c8bd45c8206 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -24,21 +24,8 @@
 #include <linux/time.h>
 #include <linux/jiffies.h>
 
-/*
- * ktime_t:
- *
- * A single 64-bit variable is used to store the hrtimers
- * internal representation of time values in scalar nanoseconds. The
- * design plays out best on 64-bit CPUs, where most conversions are
- * NOPs and most arithmetic ktime_t operations are plain arithmetic
- * operations.
- *
- */
-union ktime {
-	s64	tv64;
-};
-
-typedef union ktime ktime_t;		/* Kill this */
+/* Nanosecond scalar representation for kernel time values */
+typedef s64	ktime_t;
 
 /**
  * ktime_set - Set a ktime_t variable from a seconds/nanoseconds value
@@ -50,39 +37,34 @@ typedef union ktime ktime_t;		/* Kill this */
 static inline ktime_t ktime_set(const s64 secs, const unsigned long nsecs)
 {
 	if (unlikely(secs >= KTIME_SEC_MAX))
-		return (ktime_t){ .tv64 = KTIME_MAX };
+		return KTIME_MAX;
 
-	return (ktime_t) { .tv64 = secs * NSEC_PER_SEC + (s64)nsecs };
+	return secs * NSEC_PER_SEC + (s64)nsecs;
 }
 
 /* Subtract two ktime_t variables. rem = lhs -rhs: */
-#define ktime_sub(lhs, rhs) \
-		({ (ktime_t){ .tv64 = (lhs).tv64 - (rhs).tv64 }; })
+#define ktime_sub(lhs, rhs)	((lhs) - (rhs))
 
 /* Add two ktime_t variables. res = lhs + rhs: */
-#define ktime_add(lhs, rhs) \
-		({ (ktime_t){ .tv64 = (lhs).tv64 + (rhs).tv64 }; })
+#define ktime_add(lhs, rhs)	((lhs) + (rhs))
 
 /*
  * Same as ktime_add(), but avoids undefined behaviour on overflow; however,
  * this means that you must check the result for overflow yourself.
  */
-#define ktime_add_unsafe(lhs, rhs) \
-		({ (ktime_t){ .tv64 = (u64) (lhs).tv64 + (rhs).tv64 }; })
+#define ktime_add_unsafe(lhs, rhs)	((u64) (lhs) + (rhs))
 
 /*
  * Add a ktime_t variable and a scalar nanosecond value.
  * res = kt + nsval:
  */
-#define ktime_add_ns(kt, nsval) \
-		({ (ktime_t){ .tv64 = (kt).tv64 + (nsval) }; })
+#define ktime_add_ns(kt, nsval)		((kt) + (nsval))
 
 /*
  * Subtract a scalar nanosecod from a ktime_t variable
  * res = kt - nsval:
  */
-#define ktime_sub_ns(kt, nsval) \
-		({ (ktime_t){ .tv64 = (kt).tv64 - (nsval) }; })
+#define ktime_sub_ns(kt, nsval)		((kt) - (nsval))
 
 /* convert a timespec to ktime_t format: */
 static inline ktime_t timespec_to_ktime(struct timespec ts)
@@ -103,31 +85,16 @@ static inline ktime_t timeval_to_ktime(struct timeval tv)
 }
 
 /* Map the ktime_t to timespec conversion to ns_to_timespec function */
-#define ktime_to_timespec(kt)		ns_to_timespec((kt).tv64)
+#define ktime_to_timespec(kt)		ns_to_timespec((kt))
 
 /* Map the ktime_t to timespec conversion to ns_to_timespec function */
-#define ktime_to_timespec64(kt)		ns_to_timespec64((kt).tv64)
+#define ktime_to_timespec64(kt)		ns_to_timespec64((kt))
 
 /* Map the ktime_t to timeval conversion to ns_to_timeval function */
-#define ktime_to_timeval(kt)		ns_to_timeval((kt).tv64)
+#define ktime_to_timeval(kt)		ns_to_timeval((kt))
 
 /* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */
-#define ktime_to_ns(kt)			((kt).tv64)
-
-
-/**
- * ktime_equal - Compares two ktime_t variables to see if they are equal
- * @cmp1:	comparable1
- * @cmp2:	comparable2
- *
- * Compare two ktime_t variables.
- *
- * Return: 1 if equal.
- */
-static inline int ktime_equal(const ktime_t cmp1, const ktime_t cmp2)
-{
-	return cmp1.tv64 == cmp2.tv64;
-}
+#define ktime_to_ns(kt)			(kt)
 
 /**
  * ktime_compare - Compares two ktime_t variables for less, greater or equal
@@ -141,9 +108,9 @@ static inline int ktime_equal(const ktime_t cmp1, const ktime_t cmp2)
  */
 static inline int ktime_compare(const ktime_t cmp1, const ktime_t cmp2)
 {
-	if (cmp1.tv64 < cmp2.tv64)
+	if (cmp1 < cmp2)
 		return -1;
-	if (cmp1.tv64 > cmp2.tv64)
+	if (cmp1 > cmp2)
 		return 1;
 	return 0;
 }
@@ -182,7 +149,7 @@ static inline s64 ktime_divns(const ktime_t kt, s64 div)
 	 */
 	BUG_ON(div < 0);
 	if (__builtin_constant_p(div) && !(div >> 32)) {
-		s64 ns = kt.tv64;
+		s64 ns = kt;
 		u64 tmp = ns < 0 ? -ns : ns;
 
 		do_div(tmp, div);
@@ -199,7 +166,7 @@ static inline s64 ktime_divns(const ktime_t kt, s64 div)
 	 * so catch them on 64bit as well.
 	 */
 	WARN_ON(div < 0);
-	return kt.tv64 / div;
+	return kt / div;
 }
 #endif
 
@@ -256,7 +223,7 @@ extern ktime_t ktime_add_safe(const ktime_t lhs, const ktime_t rhs);
 static inline __must_check bool ktime_to_timespec_cond(const ktime_t kt,
 						       struct timespec *ts)
 {
-	if (kt.tv64) {
+	if (kt) {
 		*ts = ktime_to_timespec(kt);
 		return true;
 	} else {
@@ -275,7 +242,7 @@ static inline __must_check bool ktime_to_timespec_cond(const ktime_t kt,
 static inline __must_check bool ktime_to_timespec64_cond(const ktime_t kt,
 						       struct timespec64 *ts)
 {
-	if (kt.tv64) {
+	if (kt) {
 		*ts = ktime_to_timespec64(kt);
 		return true;
 	} else {
@@ -290,20 +257,16 @@ static inline __must_check bool ktime_to_timespec64_cond(const ktime_t kt,
  * this resolution values.
  */
 #define LOW_RES_NSEC		TICK_NSEC
-#define KTIME_LOW_RES		(ktime_t){ .tv64 = LOW_RES_NSEC }
+#define KTIME_LOW_RES		(LOW_RES_NSEC)
 
 static inline ktime_t ns_to_ktime(u64 ns)
 {
-	static const ktime_t ktime_zero = { .tv64 = 0 };
-
-	return ktime_add_ns(ktime_zero, ns);
+	return ns;
 }
 
 static inline ktime_t ms_to_ktime(u64 ms)
 {
-	static const ktime_t ktime_zero = { .tv64 = 0 };
-
-	return ktime_add_ms(ktime_zero, ms);
+	return ms * NSEC_PER_MSEC;
 }
 
 # include <linux/timekeeping.h>
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index c9f379689dd0..93bdb3485192 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -1460,7 +1460,7 @@ int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
 				      u32 max_range_qpn);
 
-cycle_t mlx4_read_clock(struct mlx4_dev *dev);
+u64 mlx4_read_clock(struct mlx4_dev *dev);
 
 struct mlx4_active_ports {
 	DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index ac7fa34db8a7..b53c0cfd417e 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3227,7 +3227,7 @@ static inline ktime_t net_timedelta(ktime_t t)
 
 static inline ktime_t net_invalid_timestamp(void)
 {
-	return ktime_set(0, 0);
+	return 0;
 }
 
 struct sk_buff *skb_clone_sk(struct sk_buff *skb);
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 62be0786d6d0..a04fea19676f 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -127,9 +127,7 @@ static inline void tick_nohz_idle_exit(void) { }
 
 static inline ktime_t tick_nohz_get_sleep_length(void)
 {
-	ktime_t len = { .tv64 = NSEC_PER_SEC/HZ };
-
-	return len;
+	return NSEC_PER_SEC / HZ;
 }
 static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; }
 static inline u64 get_cpu_iowait_time_us(int cpu, u64 *unused) { return -1; }
diff --git a/include/linux/timecounter.h b/include/linux/timecounter.h
index 4382035a75bb..2496ad4cfc99 100644
--- a/include/linux/timecounter.h
+++ b/include/linux/timecounter.h
@@ -20,7 +20,7 @@
 #include <linux/types.h>
 
 /* simplify initialization of mask field */
-#define CYCLECOUNTER_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
+#define CYCLECOUNTER_MASK(bits) (u64)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
 
 /**
  * struct cyclecounter - hardware abstraction for a free running counter
@@ -37,8 +37,8 @@
  * @shift:		cycle to nanosecond divisor (power of two)
  */
 struct cyclecounter {
-	cycle_t (*read)(const struct cyclecounter *cc);
-	cycle_t mask;
+	u64 (*read)(const struct cyclecounter *cc);
+	u64 mask;
 	u32 mult;
 	u32 shift;
 };
@@ -63,7 +63,7 @@ struct cyclecounter {
  */
 struct timecounter {
 	const struct cyclecounter *cc;
-	cycle_t cycle_last;
+	u64 cycle_last;
 	u64 nsec;
 	u64 mask;
 	u64 frac;
@@ -77,7 +77,7 @@ struct timecounter {
  * @frac:	pointer to storage for the fractional nanoseconds.
  */
 static inline u64 cyclecounter_cyc2ns(const struct cyclecounter *cc,
-				      cycle_t cycles, u64 mask, u64 *frac)
+				      u64 cycles, u64 mask, u64 *frac)
 {
 	u64 ns = (u64) cycles;
 
@@ -134,6 +134,6 @@ extern u64 timecounter_read(struct timecounter *tc);
  * in the past.
  */
 extern u64 timecounter_cyc2time(struct timecounter *tc,
-				cycle_t cycle_tstamp);
+				u64 cycle_tstamp);
 
 #endif
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h
index e88005459035..110f4532188c 100644
--- a/include/linux/timekeeper_internal.h
+++ b/include/linux/timekeeper_internal.h
@@ -29,9 +29,9 @@
  */
 struct tk_read_base {
 	struct clocksource	*clock;
-	cycle_t			(*read)(struct clocksource *cs);
-	cycle_t			mask;
-	cycle_t			cycle_last;
+	u64			(*read)(struct clocksource *cs);
+	u64			mask;
+	u64			cycle_last;
 	u32			mult;
 	u32			shift;
 	u64			xtime_nsec;
@@ -97,7 +97,7 @@ struct timekeeper {
 	struct timespec64	raw_time;
 
 	/* The following members are for timekeeping internal use */
-	cycle_t			cycle_interval;
+	u64			cycle_interval;
 	u64			xtime_interval;
 	s64			xtime_remainder;
 	u32			raw_interval;
@@ -136,7 +136,7 @@ extern void update_vsyscall_tz(void);
 
 extern void update_vsyscall_old(struct timespec *ts, struct timespec *wtm,
 				struct clocksource *c, u32 mult,
-				cycle_t cycle_last);
+				u64 cycle_last);
 extern void update_vsyscall_tz(void);
 
 #else
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 361f8bf1429d..d2e804e15c3e 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -293,7 +293,7 @@ extern void ktime_get_raw_and_real_ts64(struct timespec64 *ts_raw,
  * @cs_was_changed_seq:	The sequence number of clocksource change events
  */
 struct system_time_snapshot {
-	cycle_t		cycles;
+	u64		cycles;
 	ktime_t		real;
 	ktime_t		raw;
 	unsigned int	clock_was_set_seq;
@@ -321,7 +321,7 @@ struct system_device_crosststamp {
  *	timekeeping code to verify comparibility of two cycle values
  */
 struct system_counterval_t {
-	cycle_t			cycles;
+	u64			cycles;
 	struct clocksource	*cs;
 };
 
diff --git a/include/linux/types.h b/include/linux/types.h
index d501ad3ba247..1e7bd24848fc 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -228,8 +228,5 @@ struct callback_head {
 typedef void (*rcu_callback_t)(struct rcu_head *head);
 typedef void (*call_rcu_func_t)(struct rcu_head *head, rcu_callback_t func);
 
-/* clocksource cycle base type */
-typedef u64 cycle_t;
-
 #endif /*  __ASSEMBLY__ */
 #endif /* _LINUX_TYPES_H */
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 2408e8d5c05c..1421132e9086 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -510,7 +510,7 @@ do {									\
 	hrtimer_init_on_stack(&__t.timer, CLOCK_MONOTONIC,		\
 			      HRTIMER_MODE_REL);			\
 	hrtimer_init_sleeper(&__t, current);				\
-	if ((timeout).tv64 != KTIME_MAX)				\
+	if ((timeout) != KTIME_MAX)				\
 		hrtimer_start_range_ns(&__t.timer, timeout,		\
 				       current->timer_slack_ns,		\
 				       HRTIMER_MODE_REL);		\
diff --git a/include/net/red.h b/include/net/red.h
index 76e0b5f922c6..208e718e16b9 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -207,7 +207,7 @@ static inline void red_set_parms(struct red_parms *p,
 
 static inline int red_is_idling(const struct red_vars *v)
 {
-	return v->qidlestart.tv64 != 0;
+	return v->qidlestart != 0;
 }
 
 static inline void red_start_of_idle_period(struct red_vars *v)
@@ -217,7 +217,7 @@ static inline void red_start_of_idle_period(struct red_vars *v)
 
 static inline void red_end_of_idle_period(struct red_vars *v)
 {
-	v->qidlestart.tv64 = 0;
+	v->qidlestart = 0;
 }
 
 static inline void red_restart(struct red_vars *v)
diff --git a/include/net/sock.h b/include/net/sock.h
index 282d065e286b..f0e867f58722 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2193,8 +2193,8 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
 	 */
 	if (sock_flag(sk, SOCK_RCVTSTAMP) ||
 	    (sk->sk_tsflags & SOF_TIMESTAMPING_RX_SOFTWARE) ||
-	    (kt.tv64 && sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) ||
-	    (hwtstamps->hwtstamp.tv64 &&
+	    (kt && sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) ||
+	    (hwtstamps->hwtstamp &&
 	     (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE)))
 		__sock_recv_timestamp(msg, sk, skb);
 	else
diff --git a/include/trace/events/alarmtimer.h b/include/trace/events/alarmtimer.h
index a1c108c16c9c..ae4f358dd8e9 100644
--- a/include/trace/events/alarmtimer.h
+++ b/include/trace/events/alarmtimer.h
@@ -31,7 +31,7 @@ TRACE_EVENT(alarmtimer_suspend,
 	),
 
 	TP_fast_assign(
-		__entry->expires = expires.tv64;
+		__entry->expires = expires;
 		__entry->alarm_type = flag;
 	),
 
@@ -57,8 +57,8 @@ DECLARE_EVENT_CLASS(alarm_class,
 	TP_fast_assign(
 		__entry->alarm = alarm;
 		__entry->alarm_type = alarm->type;
-		__entry->expires = alarm->node.expires.tv64;
-		__entry->now = now.tv64;
+		__entry->expires = alarm->node.expires;
+		__entry->now = now;
 	),
 
 	TP_printk("alarmtimer:%p type:%s expires:%llu now:%llu",
diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
index 28c5da6fdfac..1448637616d6 100644
--- a/include/trace/events/timer.h
+++ b/include/trace/events/timer.h
@@ -177,16 +177,14 @@ TRACE_EVENT(hrtimer_start,
 	TP_fast_assign(
 		__entry->hrtimer	= hrtimer;
 		__entry->function	= hrtimer->function;
-		__entry->expires	= hrtimer_get_expires(hrtimer).tv64;
-		__entry->softexpires	= hrtimer_get_softexpires(hrtimer).tv64;
+		__entry->expires	= hrtimer_get_expires(hrtimer);
+		__entry->softexpires	= hrtimer_get_softexpires(hrtimer);
 	),
 
 	TP_printk("hrtimer=%p function=%pf expires=%llu softexpires=%llu",
 		  __entry->hrtimer, __entry->function,
-		  (unsigned long long)ktime_to_ns((ktime_t) {
-				  .tv64 = __entry->expires }),
-		  (unsigned long long)ktime_to_ns((ktime_t) {
-				  .tv64 = __entry->softexpires }))
+		  (unsigned long long) __entry->expires,
+		  (unsigned long long) __entry->softexpires)
 );
 
 /**
@@ -211,13 +209,13 @@ TRACE_EVENT(hrtimer_expire_entry,
 
 	TP_fast_assign(
 		__entry->hrtimer	= hrtimer;
-		__entry->now		= now->tv64;
+		__entry->now		= *now;
 		__entry->function	= hrtimer->function;
 	),
 
 	TP_printk("hrtimer=%p function=%pf now=%llu", __entry->hrtimer, __entry->function,
-		  (unsigned long long)ktime_to_ns((ktime_t) { .tv64 = __entry->now }))
- );
+		  (unsigned long long) __entry->now)
+);
 
 DECLARE_EVENT_CLASS(hrtimer_class,
 
diff --git a/kernel/futex.c b/kernel/futex.c
index 9246d9f593d1..0842c8ca534b 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2459,7 +2459,7 @@ static int futex_wait(u32 __user *uaddr, unsigned int flags, u32 val,
 	restart->fn = futex_wait_restart;
 	restart->futex.uaddr = uaddr;
 	restart->futex.val = val;
-	restart->futex.time = abs_time->tv64;
+	restart->futex.time = *abs_time;
 	restart->futex.bitset = bitset;
 	restart->futex.flags = flags | FLAGS_HAS_TIMEOUT;
 
@@ -2480,7 +2480,7 @@ static long futex_wait_restart(struct restart_block *restart)
 	ktime_t t, *tp = NULL;
 
 	if (restart->futex.flags & FLAGS_HAS_TIMEOUT) {
-		t.tv64 = restart->futex.time;
+		t = restart->futex.time;
 		tp = &t;
 	}
 	restart->fn = do_no_restart_syscall;
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 966556ebdbb3..c56fb57f2991 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1456,7 +1456,7 @@ unsigned long wait_task_inactive(struct task_struct *p, long match_state)
 		 * yield - it could be a while.
 		 */
 		if (unlikely(queued)) {
-			ktime_t to = ktime_set(0, NSEC_PER_SEC/HZ);
+			ktime_t to = NSEC_PER_SEC / HZ;
 
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			schedule_hrtimeout(&to, HRTIMER_MODE_REL);
diff --git a/kernel/signal.c b/kernel/signal.c
index f5d4e275345e..ff046b73ff2d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -587,7 +587,7 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
 			struct hrtimer *tmr = &tsk->signal->real_timer;
 
 			if (!hrtimer_is_queued(tmr) &&
-			    tsk->signal->it_real_incr.tv64 != 0) {
+			    tsk->signal->it_real_incr != 0) {
 				hrtimer_forward(tmr, tmr->base->get_time(),
 						tsk->signal->it_real_incr);
 				hrtimer_restart(tmr);
@@ -2766,7 +2766,7 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from)
 int do_sigtimedwait(const sigset_t *which, siginfo_t *info,
 		    const struct timespec *ts)
 {
-	ktime_t *to = NULL, timeout = { .tv64 = KTIME_MAX };
+	ktime_t *to = NULL, timeout = KTIME_MAX;
 	struct task_struct *tsk = current;
 	sigset_t mask = *which;
 	int sig, ret = 0;
@@ -2786,7 +2786,7 @@ int do_sigtimedwait(const sigset_t *which, siginfo_t *info,
 
 	spin_lock_irq(&tsk->sighand->siglock);
 	sig = dequeue_signal(tsk, &mask, info);
-	if (!sig && timeout.tv64) {
+	if (!sig && timeout) {
 		/*
 		 * None ready, temporarily unblock those we're interested
 		 * while we are sleeping in so that we'll be awakened when
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 3921cf7fea8e..e6dc9a538efa 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -234,7 +234,7 @@ static int alarmtimer_suspend(struct device *dev)
 	min = freezer_delta;
 	expires = freezer_expires;
 	type = freezer_alarmtype;
-	freezer_delta = ktime_set(0, 0);
+	freezer_delta = 0;
 	spin_unlock_irqrestore(&freezer_delta_lock, flags);
 
 	rtc = alarmtimer_get_rtcdev();
@@ -254,13 +254,13 @@ static int alarmtimer_suspend(struct device *dev)
 		if (!next)
 			continue;
 		delta = ktime_sub(next->expires, base->gettime());
-		if (!min.tv64 || (delta.tv64 < min.tv64)) {
+		if (!min || (delta < min)) {
 			expires = next->expires;
 			min = delta;
 			type = i;
 		}
 	}
-	if (min.tv64 == 0)
+	if (min == 0)
 		return 0;
 
 	if (ktime_to_ns(min) < 2 * NSEC_PER_SEC) {
@@ -277,7 +277,7 @@ static int alarmtimer_suspend(struct device *dev)
 	now = ktime_add(now, min);
 
 	/* Set alarm, if in the past reject suspend briefly to handle */
-	ret = rtc_timer_start(rtc, &rtctimer, now, ktime_set(0, 0));
+	ret = rtc_timer_start(rtc, &rtctimer, now, 0);
 	if (ret < 0)
 		__pm_wakeup_event(ws, MSEC_PER_SEC);
 	return ret;
@@ -328,7 +328,7 @@ static void alarmtimer_freezerset(ktime_t absexp, enum alarmtimer_type type)
 	delta = ktime_sub(absexp, base->gettime());
 
 	spin_lock_irqsave(&freezer_delta_lock, flags);
-	if (!freezer_delta.tv64 || (delta.tv64 < freezer_delta.tv64)) {
+	if (!freezer_delta || (delta < freezer_delta)) {
 		freezer_delta = delta;
 		freezer_expires = absexp;
 		freezer_alarmtype = type;
@@ -453,10 +453,10 @@ u64 alarm_forward(struct alarm *alarm, ktime_t now, ktime_t interval)
 
 	delta = ktime_sub(now, alarm->node.expires);
 
-	if (delta.tv64 < 0)
+	if (delta < 0)
 		return 0;
 
-	if (unlikely(delta.tv64 >= interval.tv64)) {
+	if (unlikely(delta >= interval)) {
 		s64 incr = ktime_to_ns(interval);
 
 		overrun = ktime_divns(delta, incr);
@@ -464,7 +464,7 @@ u64 alarm_forward(struct alarm *alarm, ktime_t now, ktime_t interval)
 		alarm->node.expires = ktime_add_ns(alarm->node.expires,
 							incr*overrun);
 
-		if (alarm->node.expires.tv64 > now.tv64)
+		if (alarm->node.expires > now)
 			return overrun;
 		/*
 		 * This (and the ktime_add() below) is the
@@ -522,7 +522,7 @@ static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm,
 	}
 
 	/* Re-add periodic timers */
-	if (ptr->it.alarm.interval.tv64) {
+	if (ptr->it.alarm.interval) {
 		ptr->it_overrun += alarm_forward(alarm, now,
 						ptr->it.alarm.interval);
 		result = ALARMTIMER_RESTART;
@@ -730,7 +730,7 @@ static int update_rmtp(ktime_t exp, enum  alarmtimer_type type,
 
 	rem = ktime_sub(exp, alarm_bases[type].gettime());
 
-	if (rem.tv64 <= 0)
+	if (rem <= 0)
 		return 0;
 	rmt = ktime_to_timespec(rem);
 
@@ -755,7 +755,7 @@ static long __sched alarm_timer_nsleep_restart(struct restart_block *restart)
 	struct alarm alarm;
 	int ret = 0;
 
-	exp.tv64 = restart->nanosleep.expires;
+	exp = restart->nanosleep.expires;
 	alarm_init(&alarm, type, alarmtimer_nsleep_wakeup);
 
 	if (alarmtimer_do_nsleep(&alarm, exp))
@@ -835,7 +835,7 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags,
 	restart = &current->restart_block;
 	restart->fn = alarm_timer_nsleep_restart;
 	restart->nanosleep.clockid = type;
-	restart->nanosleep.expires = exp.tv64;
+	restart->nanosleep.expires = exp;
 	restart->nanosleep.rmtp = rmtp;
 	ret = -ERESTART_RESTARTBLOCK;
 
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 2c5bc77c0bb0..97ac0951f164 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -179,7 +179,7 @@ void clockevents_switch_state(struct clock_event_device *dev,
 void clockevents_shutdown(struct clock_event_device *dev)
 {
 	clockevents_switch_state(dev, CLOCK_EVT_STATE_SHUTDOWN);
-	dev->next_event.tv64 = KTIME_MAX;
+	dev->next_event = KTIME_MAX;
 }
 
 /**
@@ -213,7 +213,7 @@ static int clockevents_increase_min_delta(struct clock_event_device *dev)
 	if (dev->min_delta_ns >= MIN_DELTA_LIMIT) {
 		printk_deferred(KERN_WARNING
 				"CE: Reprogramming failure. Giving up\n");
-		dev->next_event.tv64 = KTIME_MAX;
+		dev->next_event = KTIME_MAX;
 		return -ETIME;
 	}
 
@@ -310,7 +310,7 @@ int clockevents_program_event(struct clock_event_device *dev, ktime_t expires,
 	int64_t delta;
 	int rc;
 
-	if (unlikely(expires.tv64 < 0)) {
+	if (unlikely(expires < 0)) {
 		WARN_ON_ONCE(1);
 		return -ETIME;
 	}
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 150242ccfcd2..665985b0a89a 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -170,7 +170,7 @@ void clocksource_mark_unstable(struct clocksource *cs)
 static void clocksource_watchdog(unsigned long data)
 {
 	struct clocksource *cs;
-	cycle_t csnow, wdnow, cslast, wdlast, delta;
+	u64 csnow, wdnow, cslast, wdlast, delta;
 	int64_t wd_nsec, cs_nsec;
 	int next_cpu, reset_pending;
 
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 161e340395d5..c6ecedd3b839 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -171,7 +171,7 @@ hrtimer_check_target(struct hrtimer *timer, struct hrtimer_clock_base *new_base)
 		return 0;
 
 	expires = ktime_sub(hrtimer_get_expires(timer), new_base->offset);
-	return expires.tv64 <= new_base->cpu_base->expires_next.tv64;
+	return expires <= new_base->cpu_base->expires_next;
 #else
 	return 0;
 #endif
@@ -313,7 +313,7 @@ ktime_t ktime_add_safe(const ktime_t lhs, const ktime_t rhs)
 	 * We use KTIME_SEC_MAX here, the maximum timeout which we can
 	 * return to user space in a timespec:
 	 */
-	if (res.tv64 < 0 || res.tv64 < lhs.tv64 || res.tv64 < rhs.tv64)
+	if (res < 0 || res < lhs || res < rhs)
 		res = ktime_set(KTIME_SEC_MAX, 0);
 
 	return res;
@@ -465,8 +465,8 @@ static inline void hrtimer_update_next_timer(struct hrtimer_cpu_base *cpu_base,
 static ktime_t __hrtimer_get_next_event(struct hrtimer_cpu_base *cpu_base)
 {
 	struct hrtimer_clock_base *base = cpu_base->clock_base;
-	ktime_t expires, expires_next = { .tv64 = KTIME_MAX };
 	unsigned int active = cpu_base->active_bases;
+	ktime_t expires, expires_next = KTIME_MAX;
 
 	hrtimer_update_next_timer(cpu_base, NULL);
 	for (; active; base++, active >>= 1) {
@@ -479,7 +479,7 @@ static ktime_t __hrtimer_get_next_event(struct hrtimer_cpu_base *cpu_base)
 		next = timerqueue_getnext(&base->active);
 		timer = container_of(next, struct hrtimer, node);
 		expires = ktime_sub(hrtimer_get_expires(timer), base->offset);
-		if (expires.tv64 < expires_next.tv64) {
+		if (expires < expires_next) {
 			expires_next = expires;
 			hrtimer_update_next_timer(cpu_base, timer);
 		}
@@ -489,8 +489,8 @@ static ktime_t __hrtimer_get_next_event(struct hrtimer_cpu_base *cpu_base)
 	 * the clock bases so the result might be negative. Fix it up
 	 * to prevent a false positive in clockevents_program_event().
 	 */
-	if (expires_next.tv64 < 0)
-		expires_next.tv64 = 0;
+	if (expires_next < 0)
+		expires_next = 0;
 	return expires_next;
 }
 #endif
@@ -561,10 +561,10 @@ hrtimer_force_reprogram(struct hrtimer_cpu_base *cpu_base, int skip_equal)
 
 	expires_next = __hrtimer_get_next_event(cpu_base);
 
-	if (skip_equal && expires_next.tv64 == cpu_base->expires_next.tv64)
+	if (skip_equal && expires_next == cpu_base->expires_next)
 		return;
 
-	cpu_base->expires_next.tv64 = expires_next.tv64;
+	cpu_base->expires_next = expires_next;
 
 	/*
 	 * If a hang was detected in the last timer interrupt then we
@@ -622,10 +622,10 @@ static void hrtimer_reprogram(struct hrtimer *timer,
 	 * CLOCK_REALTIME timer might be requested with an absolute
 	 * expiry time which is less than base->offset. Set it to 0.
 	 */
-	if (expires.tv64 < 0)
-		expires.tv64 = 0;
+	if (expires < 0)
+		expires = 0;
 
-	if (expires.tv64 >= cpu_base->expires_next.tv64)
+	if (expires >= cpu_base->expires_next)
 		return;
 
 	/* Update the pointer to the next expiring timer */
@@ -653,7 +653,7 @@ static void hrtimer_reprogram(struct hrtimer *timer,
  */
 static inline void hrtimer_init_hres(struct hrtimer_cpu_base *base)
 {
-	base->expires_next.tv64 = KTIME_MAX;
+	base->expires_next = KTIME_MAX;
 	base->hres_active = 0;
 }
 
@@ -827,21 +827,21 @@ u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
 
 	delta = ktime_sub(now, hrtimer_get_expires(timer));
 
-	if (delta.tv64 < 0)
+	if (delta < 0)
 		return 0;
 
 	if (WARN_ON(timer->state & HRTIMER_STATE_ENQUEUED))
 		return 0;
 
-	if (interval.tv64 < hrtimer_resolution)
-		interval.tv64 = hrtimer_resolution;
+	if (interval < hrtimer_resolution)
+		interval = hrtimer_resolution;
 
-	if (unlikely(delta.tv64 >= interval.tv64)) {
+	if (unlikely(delta >= interval)) {
 		s64 incr = ktime_to_ns(interval);
 
 		orun = ktime_divns(delta, incr);
 		hrtimer_add_expires_ns(timer, incr * orun);
-		if (hrtimer_get_expires_tv64(timer) > now.tv64)
+		if (hrtimer_get_expires_tv64(timer) > now)
 			return orun;
 		/*
 		 * This (and the ktime_add() below) is the
@@ -955,7 +955,7 @@ static inline ktime_t hrtimer_update_lowres(struct hrtimer *timer, ktime_t tim,
 	 */
 	timer->is_rel = mode & HRTIMER_MODE_REL;
 	if (timer->is_rel)
-		tim = ktime_add_safe(tim, ktime_set(0, hrtimer_resolution));
+		tim = ktime_add_safe(tim, hrtimer_resolution);
 #endif
 	return tim;
 }
@@ -1104,7 +1104,7 @@ u64 hrtimer_get_next_event(void)
 	raw_spin_lock_irqsave(&cpu_base->lock, flags);
 
 	if (!__hrtimer_hres_active(cpu_base))
-		expires = __hrtimer_get_next_event(cpu_base).tv64;
+		expires = __hrtimer_get_next_event(cpu_base);
 
 	raw_spin_unlock_irqrestore(&cpu_base->lock, flags);
 
@@ -1296,7 +1296,7 @@ static void __hrtimer_run_queues(struct hrtimer_cpu_base *cpu_base, ktime_t now)
 			 * are right-of a not yet expired timer, because that
 			 * timer will have to trigger a wakeup anyway.
 			 */
-			if (basenow.tv64 < hrtimer_get_softexpires_tv64(timer))
+			if (basenow < hrtimer_get_softexpires_tv64(timer))
 				break;
 
 			__run_hrtimer(cpu_base, base, timer, &basenow);
@@ -1318,7 +1318,7 @@ void hrtimer_interrupt(struct clock_event_device *dev)
 
 	BUG_ON(!cpu_base->hres_active);
 	cpu_base->nr_events++;
-	dev->next_event.tv64 = KTIME_MAX;
+	dev->next_event = KTIME_MAX;
 
 	raw_spin_lock(&cpu_base->lock);
 	entry_time = now = hrtimer_update_base(cpu_base);
@@ -1331,7 +1331,7 @@ void hrtimer_interrupt(struct clock_event_device *dev)
 	 * timers which run their callback and need to be requeued on
 	 * this CPU.
 	 */
-	cpu_base->expires_next.tv64 = KTIME_MAX;
+	cpu_base->expires_next = KTIME_MAX;
 
 	__hrtimer_run_queues(cpu_base, now);
 
@@ -1379,13 +1379,13 @@ void hrtimer_interrupt(struct clock_event_device *dev)
 	cpu_base->hang_detected = 1;
 	raw_spin_unlock(&cpu_base->lock);
 	delta = ktime_sub(now, entry_time);
-	if ((unsigned int)delta.tv64 > cpu_base->max_hang_time)
-		cpu_base->max_hang_time = (unsigned int) delta.tv64;
+	if ((unsigned int)delta > cpu_base->max_hang_time)
+		cpu_base->max_hang_time = (unsigned int) delta;
 	/*
 	 * Limit it to a sensible value as we enforce a longer
 	 * delay. Give the CPU at least 100ms to catch up.
 	 */
-	if (delta.tv64 > 100 * NSEC_PER_MSEC)
+	if (delta > 100 * NSEC_PER_MSEC)
 		expires_next = ktime_add_ns(now, 100 * NSEC_PER_MSEC);
 	else
 		expires_next = ktime_add(now, delta);
@@ -1495,7 +1495,7 @@ static int update_rmtp(struct hrtimer *timer, struct timespec __user *rmtp)
 	ktime_t rem;
 
 	rem = hrtimer_expires_remaining(timer);
-	if (rem.tv64 <= 0)
+	if (rem <= 0)
 		return 0;
 	rmt = ktime_to_timespec(rem);
 
@@ -1693,7 +1693,7 @@ schedule_hrtimeout_range_clock(ktime_t *expires, u64 delta,
 	 * Optimize when a zero timeout value is given. It does not
 	 * matter whether this is an absolute or a relative time.
 	 */
-	if (expires && !expires->tv64) {
+	if (expires && *expires == 0) {
 		__set_current_state(TASK_RUNNING);
 		return 0;
 	}
diff --git a/kernel/time/itimer.c b/kernel/time/itimer.c
index a45afb7277c2..8c89143f9ebf 100644
--- a/kernel/time/itimer.c
+++ b/kernel/time/itimer.c
@@ -34,10 +34,10 @@ static struct timeval itimer_get_remtime(struct hrtimer *timer)
 	 * then we return 0 - which is correct.
 	 */
 	if (hrtimer_active(timer)) {
-		if (rem.tv64 <= 0)
-			rem.tv64 = NSEC_PER_USEC;
+		if (rem <= 0)
+			rem = NSEC_PER_USEC;
 	} else
-		rem.tv64 = 0;
+		rem = 0;
 
 	return ktime_to_timeval(rem);
 }
@@ -216,12 +216,12 @@ int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue)
 			goto again;
 		}
 		expires = timeval_to_ktime(value->it_value);
-		if (expires.tv64 != 0) {
+		if (expires != 0) {
 			tsk->signal->it_real_incr =
 				timeval_to_ktime(value->it_interval);
 			hrtimer_start(timer, expires, HRTIMER_MODE_REL);
 		} else
-			tsk->signal->it_real_incr.tv64 = 0;
+			tsk->signal->it_real_incr = 0;
 
 		trace_itimer_state(ITIMER_REAL, value, 0);
 		spin_unlock_irq(&tsk->sighand->siglock);
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index 555e21f7b966..a4a0e478e44d 100644
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -59,9 +59,9 @@
 #define JIFFIES_SHIFT	8
 #endif
 
-static cycle_t jiffies_read(struct clocksource *cs)
+static u64 jiffies_read(struct clocksource *cs)
 {
-	return (cycle_t) jiffies;
+	return (u64) jiffies;
 }
 
 static struct clocksource clocksource_jiffies = {
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 6df8927c58a5..edf19cc53140 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -381,7 +381,7 @@ ktime_t ntp_get_next_leap(void)
 
 	if ((time_state == TIME_INS) && (time_status & STA_INS))
 		return ktime_set(ntp_next_leap_sec, 0);
-	ret.tv64 = KTIME_MAX;
+	ret = KTIME_MAX;
 	return ret;
 }
 
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 42d7b9558741..1e6623d76750 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -359,7 +359,7 @@ static void schedule_next_timer(struct k_itimer *timr)
 {
 	struct hrtimer *timer = &timr->it.real.timer;
 
-	if (timr->it.real.interval.tv64 == 0)
+	if (timr->it.real.interval == 0)
 		return;
 
 	timr->it_overrun += (unsigned int) hrtimer_forward(timer,
@@ -449,7 +449,7 @@ static enum hrtimer_restart posix_timer_fn(struct hrtimer *timer)
 	timr = container_of(timer, struct k_itimer, it.real.timer);
 	spin_lock_irqsave(&timr->it_lock, flags);
 
-	if (timr->it.real.interval.tv64 != 0)
+	if (timr->it.real.interval != 0)
 		si_private = ++timr->it_requeue_pending;
 
 	if (posix_timer_event(timr, si_private)) {
@@ -458,7 +458,7 @@ static enum hrtimer_restart posix_timer_fn(struct hrtimer *timer)
 		 * we will not get a call back to restart it AND
 		 * it should be restarted.
 		 */
-		if (timr->it.real.interval.tv64 != 0) {
+		if (timr->it.real.interval != 0) {
 			ktime_t now = hrtimer_cb_get_time(timer);
 
 			/*
@@ -485,9 +485,9 @@ static enum hrtimer_restart posix_timer_fn(struct hrtimer *timer)
 			 */
 #ifdef CONFIG_HIGH_RES_TIMERS
 			{
-				ktime_t kj = ktime_set(0, NSEC_PER_SEC / HZ);
+				ktime_t kj = NSEC_PER_SEC / HZ;
 
-				if (timr->it.real.interval.tv64 < kj.tv64)
+				if (timr->it.real.interval < kj)
 					now = ktime_add(now, kj);
 			}
 #endif
@@ -743,7 +743,7 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
 	iv = timr->it.real.interval;
 
 	/* interval timer ? */
-	if (iv.tv64)
+	if (iv)
 		cur_setting->it_interval = ktime_to_timespec(iv);
 	else if (!hrtimer_active(timer) &&
 		 (timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)
@@ -756,13 +756,13 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
 	 * timer move the expiry time forward by intervals, so
 	 * expiry is > now.
 	 */
-	if (iv.tv64 && (timr->it_requeue_pending & REQUEUE_PENDING ||
-	    (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))
+	if (iv && (timr->it_requeue_pending & REQUEUE_PENDING ||
+		   (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))
 		timr->it_overrun += (unsigned int) hrtimer_forward(timer, now, iv);
 
 	remaining = __hrtimer_expires_remaining_adjusted(timer, now);
 	/* Return 0 only, when the timer is expired and not pending */
-	if (remaining.tv64 <= 0) {
+	if (remaining <= 0) {
 		/*
 		 * A single shot SIGEV_NONE timer must return 0, when
 		 * it is expired !
@@ -839,7 +839,7 @@ common_timer_set(struct k_itimer *timr, int flags,
 		common_timer_get(timr, old_setting);
 
 	/* disable the timer */
-	timr->it.real.interval.tv64 = 0;
+	timr->it.real.interval = 0;
 	/*
 	 * careful here.  If smp we could be in the "fire" routine which will
 	 * be spinning as we hold the lock.  But this is ONLY an SMP issue.
@@ -924,7 +924,7 @@ SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags,
 
 static int common_timer_del(struct k_itimer *timer)
 {
-	timer->it.real.interval.tv64 = 0;
+	timer->it.real.interval = 0;
 
 	if (hrtimer_try_to_cancel(&timer->it.real.timer) < 0)
 		return TIMER_RETRY;
diff --git a/kernel/time/tick-broadcast-hrtimer.c b/kernel/time/tick-broadcast-hrtimer.c
index 690b797f522e..a7bb8f33ae07 100644
--- a/kernel/time/tick-broadcast-hrtimer.c
+++ b/kernel/time/tick-broadcast-hrtimer.c
@@ -97,7 +97,7 @@ static enum hrtimer_restart bc_handler(struct hrtimer *t)
 	ce_broadcast_hrtimer.event_handler(&ce_broadcast_hrtimer);
 
 	if (clockevent_state_oneshot(&ce_broadcast_hrtimer))
-		if (ce_broadcast_hrtimer.next_event.tv64 != KTIME_MAX)
+		if (ce_broadcast_hrtimer.next_event != KTIME_MAX)
 			return HRTIMER_RESTART;
 
 	return HRTIMER_NORESTART;
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index d2a20e83ebae..3109204c87cc 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -604,14 +604,14 @@ static void tick_handle_oneshot_broadcast(struct clock_event_device *dev)
 	bool bc_local;
 
 	raw_spin_lock(&tick_broadcast_lock);
-	dev->next_event.tv64 = KTIME_MAX;
-	next_event.tv64 = KTIME_MAX;
+	dev->next_event = KTIME_MAX;
+	next_event = KTIME_MAX;
 	cpumask_clear(tmpmask);
 	now = ktime_get();
 	/* Find all expired events */
 	for_each_cpu(cpu, tick_broadcast_oneshot_mask) {
 		td = &per_cpu(tick_cpu_device, cpu);
-		if (td->evtdev->next_event.tv64 <= now.tv64) {
+		if (td->evtdev->next_event <= now) {
 			cpumask_set_cpu(cpu, tmpmask);
 			/*
 			 * Mark the remote cpu in the pending mask, so
@@ -619,8 +619,8 @@ static void tick_handle_oneshot_broadcast(struct clock_event_device *dev)
 			 * timer in tick_broadcast_oneshot_control().
 			 */
 			cpumask_set_cpu(cpu, tick_broadcast_pending_mask);
-		} else if (td->evtdev->next_event.tv64 < next_event.tv64) {
-			next_event.tv64 = td->evtdev->next_event.tv64;
+		} else if (td->evtdev->next_event < next_event) {
+			next_event = td->evtdev->next_event;
 			next_cpu = cpu;
 		}
 	}
@@ -657,7 +657,7 @@ static void tick_handle_oneshot_broadcast(struct clock_event_device *dev)
 	 * - There are pending events on sleeping CPUs which were not
 	 * in the event mask
 	 */
-	if (next_event.tv64 != KTIME_MAX)
+	if (next_event != KTIME_MAX)
 		tick_broadcast_set_event(dev, next_cpu, next_event);
 
 	raw_spin_unlock(&tick_broadcast_lock);
@@ -672,7 +672,7 @@ static int broadcast_needs_cpu(struct clock_event_device *bc, int cpu)
 {
 	if (!(bc->features & CLOCK_EVT_FEAT_HRTIMER))
 		return 0;
-	if (bc->next_event.tv64 == KTIME_MAX)
+	if (bc->next_event == KTIME_MAX)
 		return 0;
 	return bc->bound_on == cpu ? -EBUSY : 0;
 }
@@ -688,7 +688,7 @@ static void broadcast_shutdown_local(struct clock_event_device *bc,
 	if (bc->features & CLOCK_EVT_FEAT_HRTIMER) {
 		if (broadcast_needs_cpu(bc, smp_processor_id()))
 			return;
-		if (dev->next_event.tv64 < bc->next_event.tv64)
+		if (dev->next_event < bc->next_event)
 			return;
 	}
 	clockevents_switch_state(dev, CLOCK_EVT_STATE_SHUTDOWN);
@@ -754,7 +754,7 @@ int __tick_broadcast_oneshot_control(enum tick_broadcast_state state)
 			 */
 			if (cpumask_test_cpu(cpu, tick_broadcast_force_mask)) {
 				ret = -EBUSY;
-			} else if (dev->next_event.tv64 < bc->next_event.tv64) {
+			} else if (dev->next_event < bc->next_event) {
 				tick_broadcast_set_event(bc, cpu, dev->next_event);
 				/*
 				 * In case of hrtimer broadcasts the
@@ -789,7 +789,7 @@ int __tick_broadcast_oneshot_control(enum tick_broadcast_state state)
 			/*
 			 * Bail out if there is no next event.
 			 */
-			if (dev->next_event.tv64 == KTIME_MAX)
+			if (dev->next_event == KTIME_MAX)
 				goto out;
 			/*
 			 * If the pending bit is not set, then we are
@@ -824,7 +824,7 @@ int __tick_broadcast_oneshot_control(enum tick_broadcast_state state)
 			 * nohz fixups.
 			 */
 			now = ktime_get();
-			if (dev->next_event.tv64 <= now.tv64) {
+			if (dev->next_event <= now) {
 				cpumask_set_cpu(cpu, tick_broadcast_force_mask);
 				goto out;
 			}
@@ -897,7 +897,7 @@ void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
 						       tick_next_period);
 			tick_broadcast_set_event(bc, cpu, tick_next_period);
 		} else
-			bc->next_event.tv64 = KTIME_MAX;
+			bc->next_event = KTIME_MAX;
 	} else {
 		/*
 		 * The first cpu which switches to oneshot mode sets
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 4fcd99e12aa0..49edc1c4f3e6 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -178,8 +178,8 @@ static void tick_setup_device(struct tick_device *td,
 			      struct clock_event_device *newdev, int cpu,
 			      const struct cpumask *cpumask)
 {
-	ktime_t next_event;
 	void (*handler)(struct clock_event_device *) = NULL;
+	ktime_t next_event = 0;
 
 	/*
 	 * First device setup ?
@@ -195,7 +195,7 @@ static void tick_setup_device(struct tick_device *td,
 			else
 				tick_do_timer_cpu = TICK_DO_TIMER_NONE;
 			tick_next_period = ktime_get();
-			tick_period = ktime_set(0, NSEC_PER_SEC / HZ);
+			tick_period = NSEC_PER_SEC / HZ;
 		}
 
 		/*
diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c
index b51344652330..6b009c207671 100644
--- a/kernel/time/tick-oneshot.c
+++ b/kernel/time/tick-oneshot.c
@@ -28,7 +28,7 @@ int tick_program_event(ktime_t expires, int force)
 {
 	struct clock_event_device *dev = __this_cpu_read(tick_cpu_device.evtdev);
 
-	if (unlikely(expires.tv64 == KTIME_MAX)) {
+	if (unlikely(expires == KTIME_MAX)) {
 		/*
 		 * We don't need the clock event device any more, stop it.
 		 */
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 71496a20e670..2c115fdab397 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -58,21 +58,21 @@ static void tick_do_update_jiffies64(ktime_t now)
 	 * Do a quick check without holding jiffies_lock:
 	 */
 	delta = ktime_sub(now, last_jiffies_update);
-	if (delta.tv64 < tick_period.tv64)
+	if (delta < tick_period)
 		return;
 
 	/* Reevaluate with jiffies_lock held */
 	write_seqlock(&jiffies_lock);
 
 	delta = ktime_sub(now, last_jiffies_update);
-	if (delta.tv64 >= tick_period.tv64) {
+	if (delta >= tick_period) {
 
 		delta = ktime_sub(delta, tick_period);
 		last_jiffies_update = ktime_add(last_jiffies_update,
 						tick_period);
 
 		/* Slow path for long timeouts */
-		if (unlikely(delta.tv64 >= tick_period.tv64)) {
+		if (unlikely(delta >= tick_period)) {
 			s64 incr = ktime_to_ns(tick_period);
 
 			ticks = ktime_divns(delta, incr);
@@ -101,7 +101,7 @@ static ktime_t tick_init_jiffy_update(void)
 
 	write_seqlock(&jiffies_lock);
 	/* Did we start the jiffies update yet ? */
-	if (last_jiffies_update.tv64 == 0)
+	if (last_jiffies_update == 0)
 		last_jiffies_update = tick_next_period;
 	period = last_jiffies_update;
 	write_sequnlock(&jiffies_lock);
@@ -669,7 +669,7 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
 	/* Read jiffies and the time when jiffies were updated last */
 	do {
 		seq = read_seqbegin(&jiffies_lock);
-		basemono = last_jiffies_update.tv64;
+		basemono = last_jiffies_update;
 		basejiff = jiffies;
 	} while (read_seqretry(&jiffies_lock, seq));
 	ts->last_jiffies = basejiff;
@@ -697,7 +697,7 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
 	 */
 	delta = next_tick - basemono;
 	if (delta <= (u64)TICK_NSEC) {
-		tick.tv64 = 0;
+		tick = 0;
 
 		/*
 		 * Tell the timer code that the base is not idle, i.e. undo
@@ -764,10 +764,10 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
 		expires = KTIME_MAX;
 
 	expires = min_t(u64, expires, next_tick);
-	tick.tv64 = expires;
+	tick = expires;
 
 	/* Skip reprogram of event if its not changed */
-	if (ts->tick_stopped && (expires == dev->next_event.tv64))
+	if (ts->tick_stopped && (expires == dev->next_event))
 		goto out;
 
 	/*
@@ -864,7 +864,7 @@ static bool can_stop_idle_tick(int cpu, struct tick_sched *ts)
 	}
 
 	if (unlikely(ts->nohz_mode == NOHZ_MODE_INACTIVE)) {
-		ts->sleep_length = (ktime_t) { .tv64 = NSEC_PER_SEC/HZ };
+		ts->sleep_length = NSEC_PER_SEC / HZ;
 		return false;
 	}
 
@@ -914,7 +914,7 @@ static void __tick_nohz_idle_enter(struct tick_sched *ts)
 		ts->idle_calls++;
 
 		expires = tick_nohz_stop_sched_tick(ts, now, cpu);
-		if (expires.tv64 > 0LL) {
+		if (expires > 0LL) {
 			ts->idle_sleeps++;
 			ts->idle_expires = expires;
 		}
@@ -1051,7 +1051,7 @@ static void tick_nohz_handler(struct clock_event_device *dev)
 	struct pt_regs *regs = get_irq_regs();
 	ktime_t now = ktime_get();
 
-	dev->next_event.tv64 = KTIME_MAX;
+	dev->next_event = KTIME_MAX;
 
 	tick_sched_do_timer(now);
 	tick_sched_handle(ts, regs);
diff --git a/kernel/time/timecounter.c b/kernel/time/timecounter.c
index 4687b3104bae..8afd78932bdf 100644
--- a/kernel/time/timecounter.c
+++ b/kernel/time/timecounter.c
@@ -43,7 +43,7 @@ EXPORT_SYMBOL_GPL(timecounter_init);
  */
 static u64 timecounter_read_delta(struct timecounter *tc)
 {
-	cycle_t cycle_now, cycle_delta;
+	u64 cycle_now, cycle_delta;
 	u64 ns_offset;
 
 	/* read cycle counter: */
@@ -80,7 +80,7 @@ EXPORT_SYMBOL_GPL(timecounter_read);
  * time previous to the time stored in the cycle counter.
  */
 static u64 cc_cyc2ns_backwards(const struct cyclecounter *cc,
-			       cycle_t cycles, u64 mask, u64 frac)
+			       u64 cycles, u64 mask, u64 frac)
 {
 	u64 ns = (u64) cycles;
 
@@ -90,7 +90,7 @@ static u64 cc_cyc2ns_backwards(const struct cyclecounter *cc,
 }
 
 u64 timecounter_cyc2time(struct timecounter *tc,
-			 cycle_t cycle_tstamp)
+			 u64 cycle_tstamp)
 {
 	u64 delta = (cycle_tstamp - tc->cycle_last) & tc->cc->mask;
 	u64 nsec = tc->nsec, frac = tc->frac;
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index da233cdf89b0..db087d7e106d 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -104,7 +104,7 @@ static void tk_set_wall_to_mono(struct timekeeper *tk, struct timespec64 wtm)
 	 */
 	set_normalized_timespec64(&tmp, -tk->wall_to_monotonic.tv_sec,
 					-tk->wall_to_monotonic.tv_nsec);
-	WARN_ON_ONCE(tk->offs_real.tv64 != timespec64_to_ktime(tmp).tv64);
+	WARN_ON_ONCE(tk->offs_real != timespec64_to_ktime(tmp));
 	tk->wall_to_monotonic = wtm;
 	set_normalized_timespec64(&tmp, -wtm.tv_sec, -wtm.tv_nsec);
 	tk->offs_real = timespec64_to_ktime(tmp);
@@ -119,10 +119,10 @@ static inline void tk_update_sleep_time(struct timekeeper *tk, ktime_t delta)
 #ifdef CONFIG_DEBUG_TIMEKEEPING
 #define WARNING_FREQ (HZ*300) /* 5 minute rate-limiting */
 
-static void timekeeping_check_update(struct timekeeper *tk, cycle_t offset)
+static void timekeeping_check_update(struct timekeeper *tk, u64 offset)
 {
 
-	cycle_t max_cycles = tk->tkr_mono.clock->max_cycles;
+	u64 max_cycles = tk->tkr_mono.clock->max_cycles;
 	const char *name = tk->tkr_mono.clock->name;
 
 	if (offset > max_cycles) {
@@ -158,10 +158,10 @@ static void timekeeping_check_update(struct timekeeper *tk, cycle_t offset)
 	}
 }
 
-static inline cycle_t timekeeping_get_delta(struct tk_read_base *tkr)
+static inline u64 timekeeping_get_delta(struct tk_read_base *tkr)
 {
 	struct timekeeper *tk = &tk_core.timekeeper;
-	cycle_t now, last, mask, max, delta;
+	u64 now, last, mask, max, delta;
 	unsigned int seq;
 
 	/*
@@ -199,12 +199,12 @@ static inline cycle_t timekeeping_get_delta(struct tk_read_base *tkr)
 	return delta;
 }
 #else
-static inline void timekeeping_check_update(struct timekeeper *tk, cycle_t offset)
+static inline void timekeeping_check_update(struct timekeeper *tk, u64 offset)
 {
 }
-static inline cycle_t timekeeping_get_delta(struct tk_read_base *tkr)
+static inline u64 timekeeping_get_delta(struct tk_read_base *tkr)
 {
-	cycle_t cycle_now, delta;
+	u64 cycle_now, delta;
 
 	/* read clocksource */
 	cycle_now = tkr->read(tkr->clock);
@@ -229,7 +229,7 @@ static inline cycle_t timekeeping_get_delta(struct tk_read_base *tkr)
  */
 static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock)
 {
-	cycle_t interval;
+	u64 interval;
 	u64 tmp, ntpinterval;
 	struct clocksource *old_clock;
 
@@ -254,7 +254,7 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock)
 	if (tmp == 0)
 		tmp = 1;
 
-	interval = (cycle_t) tmp;
+	interval = (u64) tmp;
 	tk->cycle_interval = interval;
 
 	/* Go back from cycles -> shifted ns */
@@ -298,8 +298,7 @@ u32 (*arch_gettimeoffset)(void) = default_arch_gettimeoffset;
 static inline u32 arch_gettimeoffset(void) { return 0; }
 #endif
 
-static inline u64 timekeeping_delta_to_ns(struct tk_read_base *tkr,
-					  cycle_t delta)
+static inline u64 timekeeping_delta_to_ns(struct tk_read_base *tkr, u64 delta)
 {
 	u64 nsec;
 
@@ -312,16 +311,15 @@ static inline u64 timekeeping_delta_to_ns(struct tk_read_base *tkr,
 
 static inline u64 timekeeping_get_ns(struct tk_read_base *tkr)
 {
-	cycle_t delta;
+	u64 delta;
 
 	delta = timekeeping_get_delta(tkr);
 	return timekeeping_delta_to_ns(tkr, delta);
 }
 
-static inline u64 timekeeping_cycles_to_ns(struct tk_read_base *tkr,
-					   cycle_t cycles)
+static inline u64 timekeeping_cycles_to_ns(struct tk_read_base *tkr, u64 cycles)
 {
-	cycle_t delta;
+	u64 delta;
 
 	/* calculate the delta since the last update_wall_time */
 	delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
@@ -454,9 +452,9 @@ u64 notrace ktime_get_boot_fast_ns(void)
 EXPORT_SYMBOL_GPL(ktime_get_boot_fast_ns);
 
 /* Suspend-time cycles value for halted fast timekeeper. */
-static cycle_t cycles_at_suspend;
+static u64 cycles_at_suspend;
 
-static cycle_t dummy_clock_read(struct clocksource *cs)
+static u64 dummy_clock_read(struct clocksource *cs)
 {
 	return cycles_at_suspend;
 }
@@ -573,7 +571,7 @@ EXPORT_SYMBOL_GPL(pvclock_gtod_unregister_notifier);
 static inline void tk_update_leap_state(struct timekeeper *tk)
 {
 	tk->next_leap_ktime = ntp_get_next_leap();
-	if (tk->next_leap_ktime.tv64 != KTIME_MAX)
+	if (tk->next_leap_ktime != KTIME_MAX)
 		/* Convert to monotonic time */
 		tk->next_leap_ktime = ktime_sub(tk->next_leap_ktime, tk->offs_real);
 }
@@ -650,7 +648,7 @@ static void timekeeping_update(struct timekeeper *tk, unsigned int action)
 static void timekeeping_forward_now(struct timekeeper *tk)
 {
 	struct clocksource *clock = tk->tkr_mono.clock;
-	cycle_t cycle_now, delta;
+	u64 cycle_now, delta;
 	u64 nsec;
 
 	cycle_now = tk->tkr_mono.read(clock);
@@ -923,7 +921,7 @@ void ktime_get_snapshot(struct system_time_snapshot *systime_snapshot)
 	ktime_t base_real;
 	u64 nsec_raw;
 	u64 nsec_real;
-	cycle_t now;
+	u64 now;
 
 	WARN_ON_ONCE(timekeeping_suspended);
 
@@ -982,8 +980,8 @@ static int scale64_check_overflow(u64 mult, u64 div, u64 *base)
  * interval is partial_history_cycles.
  */
 static int adjust_historical_crosststamp(struct system_time_snapshot *history,
-					 cycle_t partial_history_cycles,
-					 cycle_t total_history_cycles,
+					 u64 partial_history_cycles,
+					 u64 total_history_cycles,
 					 bool discontinuity,
 					 struct system_device_crosststamp *ts)
 {
@@ -1047,7 +1045,7 @@ static int adjust_historical_crosststamp(struct system_time_snapshot *history,
 /*
  * cycle_between - true if test occurs chronologically between before and after
  */
-static bool cycle_between(cycle_t before, cycle_t test, cycle_t after)
+static bool cycle_between(u64 before, u64 test, u64 after)
 {
 	if (test > before && test < after)
 		return true;
@@ -1077,7 +1075,7 @@ int get_device_system_crosststamp(int (*get_time_fn)
 {
 	struct system_counterval_t system_counterval;
 	struct timekeeper *tk = &tk_core.timekeeper;
-	cycle_t cycles, now, interval_start;
+	u64 cycles, now, interval_start;
 	unsigned int clock_was_set_seq = 0;
 	ktime_t base_real, base_raw;
 	u64 nsec_real, nsec_raw;
@@ -1138,7 +1136,7 @@ int get_device_system_crosststamp(int (*get_time_fn)
 	 * current interval
 	 */
 	if (do_interp) {
-		cycle_t partial_history_cycles, total_history_cycles;
+		u64 partial_history_cycles, total_history_cycles;
 		bool discontinuity;
 
 		/*
@@ -1644,7 +1642,7 @@ void timekeeping_resume(void)
 	struct clocksource *clock = tk->tkr_mono.clock;
 	unsigned long flags;
 	struct timespec64 ts_new, ts_delta;
-	cycle_t cycle_now;
+	u64 cycle_now;
 
 	sleeptime_injected = false;
 	read_persistent_clock64(&ts_new);
@@ -2010,11 +2008,10 @@ static inline unsigned int accumulate_nsecs_to_secs(struct timekeeper *tk)
  *
  * Returns the unconsumed cycles.
  */
-static cycle_t logarithmic_accumulation(struct timekeeper *tk, cycle_t offset,
-						u32 shift,
-						unsigned int *clock_set)
+static u64 logarithmic_accumulation(struct timekeeper *tk, u64 offset,
+				    u32 shift, unsigned int *clock_set)
 {
-	cycle_t interval = tk->cycle_interval << shift;
+	u64 interval = tk->cycle_interval << shift;
 	u64 raw_nsecs;
 
 	/* If the offset is smaller than a shifted interval, do nothing */
@@ -2055,7 +2052,7 @@ void update_wall_time(void)
 {
 	struct timekeeper *real_tk = &tk_core.timekeeper;
 	struct timekeeper *tk = &shadow_timekeeper;
-	cycle_t offset;
+	u64 offset;
 	int shift = 0, maxshift;
 	unsigned int clock_set = 0;
 	unsigned long flags;
@@ -2253,7 +2250,7 @@ ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq, ktime_t *offs_real,
 		}
 
 		/* Handle leapsecond insertion adjustments */
-		if (unlikely(base.tv64 >= tk->next_leap_ktime.tv64))
+		if (unlikely(base >= tk->next_leap_ktime))
 			*offs_real = ktime_sub(tk->offs_real, ktime_set(1, 0));
 
 	} while (read_seqcount_retry(&tk_core.seq, seq));
diff --git a/kernel/time/timekeeping_internal.h b/kernel/time/timekeeping_internal.h
index 5be76270ec4a..9a18f121f399 100644
--- a/kernel/time/timekeeping_internal.h
+++ b/kernel/time/timekeeping_internal.h
@@ -13,9 +13,9 @@ extern void tk_debug_account_sleep_time(struct timespec64 *t);
 #endif
 
 #ifdef CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE
-static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask)
+static inline u64 clocksource_delta(u64 now, u64 last, u64 mask)
 {
-	cycle_t ret = (now - last) & mask;
+	u64 ret = (now - last) & mask;
 
 	/*
 	 * Prevent time going backwards by checking the MSB of mask in
@@ -24,7 +24,7 @@ static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask)
 	return ret & ~(mask >> 1) ? 0 : ret;
 }
 #else
-static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask)
+static inline u64 clocksource_delta(u64 now, u64 last, u64 mask)
 {
 	return (now - last) & mask;
 }
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 1f0f547c54da..eb230f06ba41 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2847,7 +2847,7 @@ static void ftrace_shutdown_sysctl(void)
 	}
 }
 
-static cycle_t		ftrace_update_time;
+static u64		ftrace_update_time;
 unsigned long		ftrace_update_tot_cnt;
 
 static inline int ops_traces_mod(struct ftrace_ops *ops)
@@ -2894,7 +2894,7 @@ static int ftrace_update_code(struct module *mod, struct ftrace_page *new_pgs)
 {
 	struct ftrace_page *pg;
 	struct dyn_ftrace *p;
-	cycle_t start, stop;
+	u64 start, stop;
 	unsigned long update_cnt = 0;
 	unsigned long rec_flags = 0;
 	int i;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 66f829c47bec..d7449783987a 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -236,7 +236,7 @@ static int __init set_tracepoint_printk(char *str)
 }
 __setup("tp_printk", set_tracepoint_printk);
 
-unsigned long long ns2usecs(cycle_t nsec)
+unsigned long long ns2usecs(u64 nsec)
 {
 	nsec += 500;
 	do_div(nsec, 1000);
@@ -573,7 +573,7 @@ int trace_pid_write(struct trace_pid_list *filtered_pids,
 	return read;
 }
 
-static cycle_t buffer_ftrace_now(struct trace_buffer *buf, int cpu)
+static u64 buffer_ftrace_now(struct trace_buffer *buf, int cpu)
 {
 	u64 ts;
 
@@ -587,7 +587,7 @@ static cycle_t buffer_ftrace_now(struct trace_buffer *buf, int cpu)
 	return ts;
 }
 
-cycle_t ftrace_now(int cpu)
+u64 ftrace_now(int cpu)
 {
 	return buffer_ftrace_now(&global_trace.trace_buffer, cpu);
 }
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index c2234494f40c..1ea51ab53edf 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -159,7 +159,7 @@ struct trace_array_cpu {
 	unsigned long		policy;
 	unsigned long		rt_priority;
 	unsigned long		skipped_entries;
-	cycle_t			preempt_timestamp;
+	u64			preempt_timestamp;
 	pid_t			pid;
 	kuid_t			uid;
 	char			comm[TASK_COMM_LEN];
@@ -177,7 +177,7 @@ struct trace_buffer {
 	struct trace_array		*tr;
 	struct ring_buffer		*buffer;
 	struct trace_array_cpu __percpu	*data;
-	cycle_t				time_start;
+	u64				time_start;
 	int				cpu;
 };
 
@@ -689,7 +689,7 @@ static inline void __trace_stack(struct trace_array *tr, unsigned long flags,
 }
 #endif /* CONFIG_STACKTRACE */
 
-extern cycle_t ftrace_now(int cpu);
+extern u64 ftrace_now(int cpu);
 
 extern void trace_find_cmdline(int pid, char comm[]);
 extern void trace_event_follow_fork(struct trace_array *tr, bool enable);
@@ -736,7 +736,7 @@ extern int trace_selftest_startup_branch(struct tracer *trace,
 #endif /* CONFIG_FTRACE_STARTUP_TEST */
 
 extern void *head_page(struct trace_array_cpu *data);
-extern unsigned long long ns2usecs(cycle_t nsec);
+extern unsigned long long ns2usecs(u64 nsec);
 extern int
 trace_vbprintk(unsigned long ip, const char *fmt, va_list args);
 extern int
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index 86654d7e1afe..7758bc0617cb 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -298,7 +298,7 @@ static void irqsoff_print_header(struct seq_file *s)
 /*
  * Should this new latency be reported/recorded?
  */
-static bool report_latency(struct trace_array *tr, cycle_t delta)
+static bool report_latency(struct trace_array *tr, u64 delta)
 {
 	if (tracing_thresh) {
 		if (delta < tracing_thresh)
@@ -316,7 +316,7 @@ check_critical_timing(struct trace_array *tr,
 		      unsigned long parent_ip,
 		      int cpu)
 {
-	cycle_t T0, T1, delta;
+	u64 T0, T1, delta;
 	unsigned long flags;
 	int pc;
 
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index 5d0bb025bb21..ddec53b67646 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -358,7 +358,7 @@ static void wakeup_print_header(struct seq_file *s)
 /*
  * Should this new latency be reported/recorded?
  */
-static bool report_latency(struct trace_array *tr, cycle_t delta)
+static bool report_latency(struct trace_array *tr, u64 delta)
 {
 	if (tracing_thresh) {
 		if (delta < tracing_thresh)
@@ -440,7 +440,7 @@ probe_wakeup_sched_switch(void *ignore, bool preempt,
 			  struct task_struct *prev, struct task_struct *next)
 {
 	struct trace_array_cpu *data;
-	cycle_t T0, T1, delta;
+	u64 T0, T1, delta;
 	unsigned long flags;
 	long disabled;
 	int cpu;
diff --git a/lib/timerqueue.c b/lib/timerqueue.c
index 782ae8ca2c06..adc6ee0a5126 100644
--- a/lib/timerqueue.c
+++ b/lib/timerqueue.c
@@ -48,7 +48,7 @@ bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node)
 	while (*p) {
 		parent = *p;
 		ptr = rb_entry(parent, struct timerqueue_node, node);
-		if (node->expires.tv64 < ptr->expires.tv64)
+		if (node->expires < ptr->expires)
 			p = &(*p)->rb_left;
 		else
 			p = &(*p)->rb_right;
@@ -56,7 +56,7 @@ bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node)
 	rb_link_node(&node->node, parent, p);
 	rb_insert_color(&node->node, &head->head);
 
-	if (!head->next || node->expires.tv64 < head->next->expires.tv64) {
+	if (!head->next || node->expires < head->next->expires) {
 		head->next = node;
 		return true;
 	}
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 436a7537e6a9..21ac75390e3d 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -199,11 +199,11 @@ static int bcm_proc_show(struct seq_file *m, void *v)
 
 		seq_printf(m, "%c ", (op->flags & RX_CHECK_DLC) ? 'd' : ' ');
 
-		if (op->kt_ival1.tv64)
+		if (op->kt_ival1)
 			seq_printf(m, "timeo=%lld ",
 				   (long long)ktime_to_us(op->kt_ival1));
 
-		if (op->kt_ival2.tv64)
+		if (op->kt_ival2)
 			seq_printf(m, "thr=%lld ",
 				   (long long)ktime_to_us(op->kt_ival2));
 
@@ -226,11 +226,11 @@ static int bcm_proc_show(struct seq_file *m, void *v)
 		else
 			seq_printf(m, "[%u] ", op->nframes);
 
-		if (op->kt_ival1.tv64)
+		if (op->kt_ival1)
 			seq_printf(m, "t1=%lld ",
 				   (long long)ktime_to_us(op->kt_ival1));
 
-		if (op->kt_ival2.tv64)
+		if (op->kt_ival2)
 			seq_printf(m, "t2=%lld ",
 				   (long long)ktime_to_us(op->kt_ival2));
 
@@ -365,11 +365,11 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head,
 
 static void bcm_tx_start_timer(struct bcm_op *op)
 {
-	if (op->kt_ival1.tv64 && op->count)
+	if (op->kt_ival1 && op->count)
 		hrtimer_start(&op->timer,
 			      ktime_add(ktime_get(), op->kt_ival1),
 			      HRTIMER_MODE_ABS);
-	else if (op->kt_ival2.tv64)
+	else if (op->kt_ival2)
 		hrtimer_start(&op->timer,
 			      ktime_add(ktime_get(), op->kt_ival2),
 			      HRTIMER_MODE_ABS);
@@ -380,7 +380,7 @@ static void bcm_tx_timeout_tsklet(unsigned long data)
 	struct bcm_op *op = (struct bcm_op *)data;
 	struct bcm_msg_head msg_head;
 
-	if (op->kt_ival1.tv64 && (op->count > 0)) {
+	if (op->kt_ival1 && (op->count > 0)) {
 
 		op->count--;
 		if (!op->count && (op->flags & TX_COUNTEVT)) {
@@ -398,7 +398,7 @@ static void bcm_tx_timeout_tsklet(unsigned long data)
 		}
 		bcm_can_tx(op);
 
-	} else if (op->kt_ival2.tv64)
+	} else if (op->kt_ival2)
 		bcm_can_tx(op);
 
 	bcm_tx_start_timer(op);
@@ -459,7 +459,7 @@ static void bcm_rx_update_and_send(struct bcm_op *op,
 	lastdata->flags |= (RX_RECV|RX_THR);
 
 	/* throttling mode inactive ? */
-	if (!op->kt_ival2.tv64) {
+	if (!op->kt_ival2) {
 		/* send RX_CHANGED to the user immediately */
 		bcm_rx_changed(op, lastdata);
 		return;
@@ -470,7 +470,7 @@ static void bcm_rx_update_and_send(struct bcm_op *op,
 		return;
 
 	/* first reception with enabled throttling mode */
-	if (!op->kt_lastmsg.tv64)
+	if (!op->kt_lastmsg)
 		goto rx_changed_settime;
 
 	/* got a second frame inside a potential throttle period? */
@@ -537,7 +537,7 @@ static void bcm_rx_starttimer(struct bcm_op *op)
 	if (op->flags & RX_NO_AUTOTIMER)
 		return;
 
-	if (op->kt_ival1.tv64)
+	if (op->kt_ival1)
 		hrtimer_start(&op->timer, op->kt_ival1, HRTIMER_MODE_REL);
 }
 
@@ -643,7 +643,7 @@ static enum hrtimer_restart bcm_rx_thr_handler(struct hrtimer *hrtimer)
 		return HRTIMER_RESTART;
 	} else {
 		/* rearm throttle handling */
-		op->kt_lastmsg = ktime_set(0, 0);
+		op->kt_lastmsg = 0;
 		return HRTIMER_NORESTART;
 	}
 }
@@ -1005,7 +1005,7 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
 		op->kt_ival2 = bcm_timeval_to_ktime(msg_head->ival2);
 
 		/* disable an active timer due to zero values? */
-		if (!op->kt_ival1.tv64 && !op->kt_ival2.tv64)
+		if (!op->kt_ival1 && !op->kt_ival2)
 			hrtimer_cancel(&op->timer);
 	}
 
@@ -1189,19 +1189,19 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
 			op->kt_ival2 = bcm_timeval_to_ktime(msg_head->ival2);
 
 			/* disable an active timer due to zero value? */
-			if (!op->kt_ival1.tv64)
+			if (!op->kt_ival1)
 				hrtimer_cancel(&op->timer);
 
 			/*
 			 * In any case cancel the throttle timer, flush
 			 * potentially blocked msgs and reset throttle handling
 			 */
-			op->kt_lastmsg = ktime_set(0, 0);
+			op->kt_lastmsg = 0;
 			hrtimer_cancel(&op->thrtimer);
 			bcm_rx_thr_flush(op, 1);
 		}
 
-		if ((op->flags & STARTTIMER) && op->kt_ival1.tv64)
+		if ((op->flags & STARTTIMER) && op->kt_ival1)
 			hrtimer_start(&op->timer, op->kt_ival1,
 				      HRTIMER_MODE_REL);
 	}
diff --git a/net/can/gw.c b/net/can/gw.c
index 455168718c2e..a54ab0c82104 100644
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -429,7 +429,7 @@ static void can_can_gw_rcv(struct sk_buff *skb, void *data)
 
 	/* clear the skb timestamp if not configured the other way */
 	if (!(gwj->flags & CGW_FLAGS_CAN_SRC_TSTAMP))
-		nskb->tstamp.tv64 = 0;
+		nskb->tstamp = 0;
 
 	/* send to netdevice */
 	if (can_send(nskb, gwj->flags & CGW_FLAGS_CAN_ECHO))
diff --git a/net/core/dev.c b/net/core/dev.c
index 037ffd27fcc2..8db5a0b4b520 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1731,14 +1731,14 @@ EXPORT_SYMBOL(net_disable_timestamp);
 
 static inline void net_timestamp_set(struct sk_buff *skb)
 {
-	skb->tstamp.tv64 = 0;
+	skb->tstamp = 0;
 	if (static_key_false(&netstamp_needed))
 		__net_timestamp(skb);
 }
 
 #define net_timestamp_check(COND, SKB)			\
 	if (static_key_false(&netstamp_needed)) {		\
-		if ((COND) && !(SKB)->tstamp.tv64)	\
+		if ((COND) && !(SKB)->tstamp)	\
 			__net_timestamp(SKB);		\
 	}						\
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e77f40616fea..5a03730fbc1a 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4368,7 +4368,7 @@ EXPORT_SYMBOL(skb_try_coalesce);
  */
 void skb_scrub_packet(struct sk_buff *skb, bool xnet)
 {
-	skb->tstamp.tv64 = 0;
+	skb->tstamp = 0;
 	skb->pkt_type = PACKET_HOST;
 	skb->skb_iif = 0;
 	skb->ignore_df = 0;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 31a255b555ad..1d5331a1b1dc 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1038,7 +1038,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 	skb_shinfo(skb)->gso_size = tcp_skb_mss(skb);
 
 	/* Our usage of tstamp should remain private */
-	skb->tstamp.tv64 = 0;
+	skb->tstamp = 0;
 
 	/* Cleanup our debris for IP stacks */
 	memset(skb->cb, 0, max(sizeof(struct inet_skb_parm),
@@ -3203,7 +3203,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
 #endif
 
 	/* Do not fool tcpdump (if any), clean our debris */
-	skb->tstamp.tv64 = 0;
+	skb->tstamp = 0;
 	return skb;
 }
 EXPORT_SYMBOL(tcp_make_synack);
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 926818c331e5..e4198502fd98 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -232,7 +232,7 @@ static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)
 	ipv6h->saddr = hao->addr;
 	hao->addr = tmp_addr;
 
-	if (skb->tstamp.tv64 == 0)
+	if (skb->tstamp == 0)
 		__net_timestamp(skb);
 
 	return true;
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 60c79a08e14a..64f0f7be9e5e 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -191,7 +191,7 @@ static inline int mip6_report_rl_allow(ktime_t stamp,
 	int allow = 0;
 
 	spin_lock_bh(&mip6_report_rl.lock);
-	if (!ktime_equal(mip6_report_rl.stamp, stamp) ||
+	if (mip6_report_rl.stamp != stamp ||
 	    mip6_report_rl.iif != iif ||
 	    !ipv6_addr_equal(&mip6_report_rl.src, src) ||
 	    !ipv6_addr_equal(&mip6_report_rl.dst, dst)) {
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index e07f22b0c58a..8a9219ff2e77 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1809,7 +1809,7 @@ static int ipx_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
 	rc = skb_copy_datagram_msg(skb, sizeof(struct ipxhdr), msg, copied);
 	if (rc)
 		goto out_free;
-	if (skb->tstamp.tv64)
+	if (skb->tstamp)
 		sk->sk_stamp = skb->tstamp;
 
 	if (sipx) {
diff --git a/net/mac802154/util.c b/net/mac802154/util.c
index f9fd0957ab67..7c03fb0ea34c 100644
--- a/net/mac802154/util.c
+++ b/net/mac802154/util.c
@@ -80,11 +80,11 @@ void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb,
 
 		if (skb->len > max_sifs_size)
 			hrtimer_start(&local->ifs_timer,
-				      ktime_set(0, hw->phy->lifs_period * NSEC_PER_USEC),
+				      hw->phy->lifs_period * NSEC_PER_USEC,
 				      HRTIMER_MODE_REL);
 		else
 			hrtimer_start(&local->ifs_timer,
-				      ktime_set(0, hw->phy->sifs_period * NSEC_PER_USEC),
+				      hw->phy->sifs_period * NSEC_PER_USEC,
 				      HRTIMER_MODE_REL);
 	} else {
 		ieee802154_wake_queue(hw);
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 6a0bbfa8e702..3a073cd9fcf4 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -783,7 +783,7 @@ __nf_conntrack_confirm(struct sk_buff *skb)
 	/* set conntrack timestamp, if enabled. */
 	tstamp = nf_conn_tstamp_find(ct);
 	if (tstamp) {
-		if (skb->tstamp.tv64 == 0)
+		if (skb->tstamp == 0)
 			__net_timestamp(skb);
 
 		tstamp->start = ktime_to_ns(skb->tstamp);
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 200922bb2036..08247bf7d7b8 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -538,7 +538,7 @@ __build_packet_message(struct nfnl_log_net *log,
 			goto nla_put_failure;
 	}
 
-	if (skb->tstamp.tv64) {
+	if (skb->tstamp) {
 		struct nfulnl_msg_packet_timestamp ts;
 		struct timespec64 kts = ktime_to_timespec64(skb->tstamp);
 		ts.sec = cpu_to_be64(kts.tv_sec);
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index be7627b80400..3ee0b8a000a4 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -384,7 +384,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue,
 		+ nla_total_size(sizeof(u_int32_t))	/* skbinfo */
 		+ nla_total_size(sizeof(u_int32_t));	/* cap_len */
 
-	if (entskb->tstamp.tv64)
+	if (entskb->tstamp)
 		size += nla_total_size(sizeof(struct nfqnl_msg_packet_timestamp));
 
 	size += nfqnl_get_bridge_size(entry);
@@ -555,7 +555,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue,
 	if (nfqnl_put_bridge(entry, skb) < 0)
 		goto nla_put_failure;
 
-	if (entskb->tstamp.tv64) {
+	if (entskb->tstamp) {
 		struct nfqnl_msg_packet_timestamp ts;
 		struct timespec64 kts = ktime_to_timespec64(entskb->tstamp);
 
diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c
index 0ae55a36f492..1b01eec1fbda 100644
--- a/net/netfilter/xt_time.c
+++ b/net/netfilter/xt_time.c
@@ -168,7 +168,7 @@ time_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	 * may happen that the same packet matches both rules if
 	 * it arrived at the right moment before 13:00.
 	 */
-	if (skb->tstamp.tv64 == 0)
+	if (skb->tstamp == 0)
 		__net_timestamp((struct sk_buff *)skb);
 
 	stamp = ktime_to_ns(skb->tstamp);
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 9ffe1c220b02..f1207582cbf3 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -509,7 +509,7 @@ static enum hrtimer_restart cbq_undelay(struct hrtimer *timer)
 	if (delay) {
 		ktime_t time;
 
-		time = ktime_set(0, 0);
+		time = 0;
 		time = ktime_add_ns(time, PSCHED_TICKS2NS(now + delay));
 		hrtimer_start(&q->delay_timer, time, HRTIMER_MODE_ABS_PINNED);
 	}
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index b7e4097bfdab..bcfadfdea8e0 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -627,7 +627,7 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch)
 			 * from the network (tstamp will be updated).
 			 */
 			if (G_TC_FROM(skb->tc_verd) & AT_INGRESS)
-				skb->tstamp.tv64 = 0;
+				skb->tstamp = 0;
 #endif
 
 			if (q->qdisc) {
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index ce54dce13ddb..a1652ab63918 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -72,7 +72,7 @@ static struct sctp_transport *sctp_transport_init(struct net *net,
 	 */
 	peer->rto = msecs_to_jiffies(net->sctp.rto_initial);
 
-	peer->last_time_heard = ktime_set(0, 0);
+	peer->last_time_heard = 0;
 	peer->last_time_ecne_reduced = jiffies;
 
 	peer->param_flags = SPP_HB_DISABLE |
diff --git a/net/socket.c b/net/socket.c
index 5ff26c44db33..8487bf136e5c 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -668,7 +668,7 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
 
 	/* Race occurred between timestamp enabling and packet
 	   receiving.  Fill in the current time for now. */
-	if (need_software_tstamp && skb->tstamp.tv64 == 0)
+	if (need_software_tstamp && skb->tstamp == 0)
 		__net_timestamp(skb);
 
 	if (need_software_tstamp) {
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index a3e85ee28b5a..de066acdb34e 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -574,7 +574,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
 	}
 	len = svc_addr_len(svc_addr(rqstp));
 	rqstp->rq_addrlen = len;
-	if (skb->tstamp.tv64 == 0) {
+	if (skb->tstamp == 0) {
 		skb->tstamp = ktime_get_real();
 		/* Don't enable netstamp, sunrpc doesn't
 		   need that much accuracy */
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d4ab9a7f3d94..64e3c82eedf6 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1404,7 +1404,7 @@ int xfrm_state_check_expire(struct xfrm_state *x)
 	if (x->curlft.bytes >= x->lft.hard_byte_limit ||
 	    x->curlft.packets >= x->lft.hard_packet_limit) {
 		x->km.state = XFRM_STATE_EXPIRED;
-		tasklet_hrtimer_start(&x->mtimer, ktime_set(0, 0), HRTIMER_MODE_REL);
+		tasklet_hrtimer_start(&x->mtimer, 0, HRTIMER_MODE_REL);
 		return -EINVAL;
 	}
 
diff --git a/sound/core/hrtimer.c b/sound/core/hrtimer.c
index e2f27022b363..1ac0c423903e 100644
--- a/sound/core/hrtimer.c
+++ b/sound/core/hrtimer.c
@@ -58,7 +58,7 @@ static enum hrtimer_restart snd_hrtimer_callback(struct hrtimer *hrt)
 
 	/* calculate the drift */
 	delta = ktime_sub(hrt->base->get_time(), hrtimer_get_expires(hrt));
-	if (delta.tv64 > 0)
+	if (delta > 0)
 		ticks += ktime_divns(delta, ticks * resolution);
 
 	snd_timer_interrupt(stime->timer, ticks);
diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c
index 3689f5f6be64..aca2d7d5f059 100644
--- a/sound/drivers/pcsp/pcsp_lib.c
+++ b/sound/drivers/pcsp/pcsp_lib.c
@@ -166,7 +166,7 @@ static int pcsp_start_playing(struct snd_pcsp *chip)
 	atomic_set(&chip->timer_active, 1);
 	chip->thalf = 0;
 
-	hrtimer_start(&pcsp_chip.timer, ktime_set(0, 0), HRTIMER_MODE_REL);
+	hrtimer_start(&pcsp_chip.timer, 0, HRTIMER_MODE_REL);
 	return 0;
 }
 
diff --git a/sound/firewire/lib.c b/sound/firewire/lib.c
index ca4dfcf43175..7683238283b6 100644
--- a/sound/firewire/lib.c
+++ b/sound/firewire/lib.c
@@ -114,7 +114,7 @@ static void async_midi_port_callback(struct fw_card *card, int rcode,
 		snd_rawmidi_transmit_ack(substream, port->consume_bytes);
 	else if (!rcode_is_permanent_error(rcode))
 		/* To start next transaction immediately for recovery. */
-		port->next_ktime = ktime_set(0, 0);
+		port->next_ktime = 0;
 	else
 		/* Don't continue processing. */
 		port->error = true;
@@ -156,7 +156,7 @@ static void midi_port_work(struct work_struct *work)
 	if (port->consume_bytes <= 0) {
 		/* Do it in next chance, immediately. */
 		if (port->consume_bytes == 0) {
-			port->next_ktime = ktime_set(0, 0);
+			port->next_ktime = 0;
 			schedule_work(&port->work);
 		} else {
 			/* Fatal error. */
@@ -219,7 +219,7 @@ int snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port,
 	port->addr = addr;
 	port->fill = fill;
 	port->idling = true;
-	port->next_ktime = ktime_set(0, 0);
+	port->next_ktime = 0;
 	port->error = false;
 
 	INIT_WORK(&port->work, midi_port_work);
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index 38990a77d7b7..c6994ebb4567 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -465,7 +465,7 @@ int snd_hdac_stream_set_params(struct hdac_stream *azx_dev,
 }
 EXPORT_SYMBOL_GPL(snd_hdac_stream_set_params);
 
-static cycle_t azx_cc_read(const struct cyclecounter *cc)
+static u64 azx_cc_read(const struct cyclecounter *cc)
 {
 	struct hdac_stream *azx_dev = container_of(cc, struct hdac_stream, cc);
 
@@ -473,7 +473,7 @@ static cycle_t azx_cc_read(const struct cyclecounter *cc)
 }
 
 static void azx_timecounter_init(struct hdac_stream *azx_dev,
-				 bool force, cycle_t last)
+				 bool force, u64 last)
 {
 	struct timecounter *tc = &azx_dev->tc;
 	struct cyclecounter *cc = &azx_dev->cc;
@@ -523,7 +523,7 @@ void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,
 	struct snd_pcm_runtime *runtime = azx_dev->substream->runtime;
 	struct hdac_stream *s;
 	bool inited = false;
-	cycle_t cycle_last = 0;
+	u64 cycle_last = 0;
 	int i = 0;
 
 	list_for_each_entry(s, &bus->stream_list, list) {
diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c
index abf9c0cab1e2..461b310c7872 100644
--- a/sound/sh/sh_dac_audio.c
+++ b/sound/sh/sh_dac_audio.c
@@ -87,7 +87,7 @@ static void dac_audio_reset(struct snd_sh_dac *chip)
 
 static void dac_audio_set_rate(struct snd_sh_dac *chip)
 {
-	chip->wakeups_per_second = ktime_set(0, 1000000000 / chip->rate);
+	chip->wakeups_per_second = 1000000000 / chip->rate;
 }
 
 
diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c
index 5b4f60d43314..a2dbbccbb6a3 100644
--- a/virt/kvm/arm/arch_timer.c
+++ b/virt/kvm/arm/arch_timer.c
@@ -39,7 +39,7 @@ void kvm_timer_vcpu_put(struct kvm_vcpu *vcpu)
 	vcpu->arch.timer_cpu.active_cleared_last = false;
 }
 
-static cycle_t kvm_phys_timer_read(void)
+static u64 kvm_phys_timer_read(void)
 {
 	return timecounter->cc->read(timecounter->cc);
 }
@@ -102,7 +102,7 @@ static void kvm_timer_inject_irq_work(struct work_struct *work)
 
 static u64 kvm_timer_compute_delta(struct kvm_vcpu *vcpu)
 {
-	cycle_t cval, now;
+	u64 cval, now;
 
 	cval = vcpu->arch.timer_cpu.cntv_cval;
 	now = kvm_phys_timer_read() - vcpu->kvm->arch.timer.cntvoff;
@@ -155,7 +155,7 @@ static bool kvm_timer_irq_can_fire(struct kvm_vcpu *vcpu)
 bool kvm_timer_should_fire(struct kvm_vcpu *vcpu)
 {
 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
-	cycle_t cval, now;
+	u64 cval, now;
 
 	if (!kvm_timer_irq_can_fire(vcpu))
 		return false;