diff --git a/MAINTAINERS b/MAINTAINERS index 7a6b9fea7c28..f72d6fa07e8d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4209,6 +4209,7 @@ M: Thomas Gleixner S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core F: kernel/irq/ +F: drivers/irqchip/ IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY) M: Benjamin Herrenschmidt diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig index 45ceeb0e93e0..9353184d730d 100644 --- a/arch/arm/common/Kconfig +++ b/arch/arm/common/Kconfig @@ -1,26 +1,3 @@ -config ARM_GIC - bool - select IRQ_DOMAIN - select MULTI_IRQ_HANDLER - -config GIC_NON_BANKED - bool - -config ARM_VIC - bool - select IRQ_DOMAIN - select MULTI_IRQ_HANDLER - -config ARM_VIC_NR - int - default 4 if ARCH_S5PV210 - default 3 if ARCH_S5PC100 - default 2 - depends on ARM_VIC - help - The maximum number of VICs available in the system, for - power management. - config ICST bool diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile index e8a4e58f1b82..dc8dd0de5c0f 100644 --- a/arch/arm/common/Makefile +++ b/arch/arm/common/Makefile @@ -2,8 +2,6 @@ # Makefile for the linux kernel. # -obj-$(CONFIG_ARM_GIC) += gic.o -obj-$(CONFIG_ARM_VIC) += vic.o obj-$(CONFIG_ICST) += icst.o obj-$(CONFIG_SA1111) += sa1111.o obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h index 15cb035309f7..18c883023339 100644 --- a/arch/arm/include/asm/mach/irq.h +++ b/arch/arm/include/asm/mach/irq.h @@ -22,6 +22,7 @@ extern int show_fiq_list(struct seq_file *, int); #ifdef CONFIG_MULTI_IRQ_HANDLER extern void (*handle_arch_irq)(struct pt_regs *); +extern void set_handle_irq(void (*handle_irq)(struct pt_regs *)); #endif /* diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 896165096d6a..8e4ef4c83a74 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -117,6 +117,16 @@ void __init init_IRQ(void) machine_desc->init_irq(); } +#ifdef CONFIG_MULTI_IRQ_HANDLER +void __init set_handle_irq(void (*handle_irq)(struct pt_regs *)) +{ + if (handle_arch_irq) + return; + + handle_arch_irq = handle_irq; +} +#endif + #ifdef CONFIG_SPARSE_IRQ int __init arch_probe_nr_irqs(void) { diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 84f4cbf652e5..3fc96db2a4b6 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -416,7 +416,8 @@ static void (*smp_cross_call)(const struct cpumask *, unsigned int); void __init set_smp_cross_call(void (*fn)(const struct cpumask *, unsigned int)) { - smp_cross_call = fn; + if (!smp_cross_call) + smp_cross_call = fn; } void arch_send_call_function_ipi_mask(const struct cpumask *mask) diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index 49f335d301ba..dc9bb0146665 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -24,7 +24,6 @@ #include #include -#include /* set up by the platform code */ static void __iomem *twd_base; diff --git a/arch/arm/mach-bcm/board_bcm.c b/arch/arm/mach-bcm/board_bcm.c index 3a62f1b1cabc..5c920bde6791 100644 --- a/arch/arm/mach-bcm/board_bcm.c +++ b/arch/arm/mach-bcm/board_bcm.c @@ -11,22 +11,15 @@ * GNU General Public License for more details. */ -#include #include #include #include #include +#include #include -#include - #include -static const struct of_device_id irq_match[] = { - {.compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, - {} -}; - static void timer_init(void) { } @@ -35,11 +28,6 @@ static struct sys_timer timer = { .init = timer_init, }; -static void __init init_irq(void) -{ - of_irq_init(irq_match); -} - static void __init board_init(void) { of_platform_populate(NULL, of_default_bus_match_table, NULL, @@ -49,9 +37,8 @@ static void __init board_init(void) static const char * const bcm11351_dt_compat[] = { "bcm,bcm11351", NULL, }; DT_MACHINE_START(BCM11351_DT, "Broadcom Application Processor") - .init_irq = init_irq, + .init_irq = irqchip_init, .timer = &timer, .init_machine = board_init, .dt_compat = bcm11351_dt_compat, - .handle_irq = gic_handle_irq, MACHINE_END diff --git a/arch/arm/mach-cns3xxx/cns3420vb.c b/arch/arm/mach-cns3xxx/cns3420vb.c index ae305397003c..26f36d7efecd 100644 --- a/arch/arm/mach-cns3xxx/cns3420vb.c +++ b/arch/arm/mach-cns3xxx/cns3420vb.c @@ -28,7 +28,6 @@ #include #include #include -#include #include #include #include @@ -251,7 +250,6 @@ MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board") .map_io = cns3420_map_io, .init_irq = cns3xxx_init_irq, .timer = &cns3xxx_timer, - .handle_irq = gic_handle_irq, .init_machine = cns3420_init, .restart = cns3xxx_restart, MACHINE_END diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c index 031805b1428d..db3806c00f4b 100644 --- a/arch/arm/mach-cns3xxx/core.c +++ b/arch/arm/mach-cns3xxx/core.c @@ -12,10 +12,10 @@ #include #include #include +#include #include #include #include -#include #include #include #include "core.h" diff --git a/arch/arm/mach-ep93xx/adssphere.c b/arch/arm/mach-ep93xx/adssphere.c index 41383bf03d4b..19332bf022bc 100644 --- a/arch/arm/mach-ep93xx/adssphere.c +++ b/arch/arm/mach-ep93xx/adssphere.c @@ -17,7 +17,6 @@ #include -#include #include #include @@ -39,7 +38,6 @@ MACHINE_START(ADSSPHERE, "ADS Sphere board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = adssphere_init_machine, .init_late = ep93xx_init_late, diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index e85bf17f2d2a..c533f37aad2f 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include @@ -44,8 +45,6 @@ #include #include -#include - #include "soc.h" /************************************************************************* diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c index b8f53d57a299..5abf2cbe5afd 100644 --- a/arch/arm/mach-ep93xx/edb93xx.c +++ b/arch/arm/mach-ep93xx/edb93xx.c @@ -39,7 +39,6 @@ #include #include -#include #include #include @@ -276,7 +275,6 @@ MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = edb93xx_init_machine, .init_late = ep93xx_init_late, @@ -290,7 +288,6 @@ MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = edb93xx_init_machine, .init_late = ep93xx_init_late, @@ -304,7 +301,6 @@ MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = edb93xx_init_machine, .init_late = ep93xx_init_late, @@ -318,7 +314,6 @@ MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = edb93xx_init_machine, .init_late = ep93xx_init_late, @@ -332,7 +327,6 @@ MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = edb93xx_init_machine, .init_late = ep93xx_init_late, @@ -346,7 +340,6 @@ MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = edb93xx_init_machine, .init_late = ep93xx_init_late, @@ -360,7 +353,6 @@ MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = edb93xx_init_machine, .init_late = ep93xx_init_late, @@ -374,7 +366,6 @@ MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = edb93xx_init_machine, .init_late = ep93xx_init_late, diff --git a/arch/arm/mach-ep93xx/gesbc9312.c b/arch/arm/mach-ep93xx/gesbc9312.c index 7fd705b5efe4..2a7375be6fff 100644 --- a/arch/arm/mach-ep93xx/gesbc9312.c +++ b/arch/arm/mach-ep93xx/gesbc9312.c @@ -17,7 +17,6 @@ #include -#include #include #include @@ -39,7 +38,6 @@ MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = gesbc9312_init_machine, .init_late = ep93xx_init_late, diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c index 3d7cdab725b2..723c0d36a609 100644 --- a/arch/arm/mach-ep93xx/micro9.c +++ b/arch/arm/mach-ep93xx/micro9.c @@ -18,7 +18,6 @@ #include -#include #include #include @@ -82,7 +81,6 @@ MACHINE_START(MICRO9, "Contec Micro9-High") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = micro9_init_machine, .init_late = ep93xx_init_late, @@ -96,7 +94,6 @@ MACHINE_START(MICRO9M, "Contec Micro9-Mid") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = micro9_init_machine, .init_late = ep93xx_init_late, @@ -110,7 +107,6 @@ MACHINE_START(MICRO9L, "Contec Micro9-Lite") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = micro9_init_machine, .init_late = ep93xx_init_late, @@ -124,7 +120,6 @@ MACHINE_START(MICRO9S, "Contec Micro9-Slim") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = micro9_init_machine, .init_late = ep93xx_init_late, diff --git a/arch/arm/mach-ep93xx/simone.c b/arch/arm/mach-ep93xx/simone.c index 0eb3f17a6fa2..651a7db05120 100644 --- a/arch/arm/mach-ep93xx/simone.c +++ b/arch/arm/mach-ep93xx/simone.c @@ -25,7 +25,6 @@ #include #include -#include #include #include @@ -83,7 +82,6 @@ MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = simone_init_machine, .init_late = ep93xx_init_late, diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c index 50043eef1cf2..b4389d3820cc 100644 --- a/arch/arm/mach-ep93xx/snappercl15.c +++ b/arch/arm/mach-ep93xx/snappercl15.c @@ -31,7 +31,6 @@ #include #include -#include #include #include @@ -176,7 +175,6 @@ MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15") .atag_offset = 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = snappercl15_init_machine, .init_late = ep93xx_init_late, diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c index 3c4c233391dc..1eeee09f421f 100644 --- a/arch/arm/mach-ep93xx/ts72xx.c +++ b/arch/arm/mach-ep93xx/ts72xx.c @@ -22,7 +22,6 @@ #include -#include #include #include #include @@ -246,7 +245,6 @@ MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC") .atag_offset = 0x100, .map_io = ts72xx_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = ts72xx_init_machine, .init_late = ep93xx_init_late, diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c b/arch/arm/mach-ep93xx/vision_ep9307.c index ba92e25e3016..723d048176db 100644 --- a/arch/arm/mach-ep93xx/vision_ep9307.c +++ b/arch/arm/mach-ep93xx/vision_ep9307.c @@ -34,7 +34,6 @@ #include #include -#include #include #include #include @@ -364,7 +363,6 @@ MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307") .atag_offset = 0x100, .map_io = vision_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = vision_init_machine, .init_late = ep93xx_init_late, diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 1a89824a5f78..4ea80bc4ef9b 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -22,12 +22,13 @@ #include #include #include +#include #include +#include #include #include #include -#include #include #include #include @@ -644,8 +645,6 @@ static int __init combiner_of_init(struct device_node *np, } static const struct of_device_id exynos_dt_irq_match[] = { - { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, - { .compatible = "arm,cortex-a15-gic", .data = gic_of_init, }, { .compatible = "samsung,exynos4210-combiner", .data = combiner_of_init, }, {}, @@ -661,8 +660,10 @@ void __init exynos4_init_irq(void) if (!of_have_populated_dt()) gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset, NULL); #ifdef CONFIG_OF - else + else { + irqchip_init(); of_irq_init(exynos_dt_irq_match); + } #endif if (!of_have_populated_dt()) @@ -679,6 +680,7 @@ void __init exynos4_init_irq(void) void __init exynos5_init_irq(void) { #ifdef CONFIG_OF + irqchip_init(); of_irq_init(exynos_dt_irq_match); #endif /* diff --git a/arch/arm/mach-exynos/include/mach/regs-irq.h b/arch/arm/mach-exynos/include/mach/regs-irq.h index 9c7b4bfd546f..f2b50506b9f6 100644 --- a/arch/arm/mach-exynos/include/mach/regs-irq.h +++ b/arch/arm/mach-exynos/include/mach/regs-irq.h @@ -13,7 +13,7 @@ #ifndef __ASM_ARCH_REGS_IRQ_H #define __ASM_ARCH_REGS_IRQ_H __FILE__ -#include +#include #include #endif /* __ASM_ARCH_REGS_IRQ_H */ diff --git a/arch/arm/mach-exynos/mach-armlex4210.c b/arch/arm/mach-exynos/mach-armlex4210.c index b938f9fc1dd1..a11a36fc7bf5 100644 --- a/arch/arm/mach-exynos/mach-armlex4210.c +++ b/arch/arm/mach-exynos/mach-armlex4210.c @@ -16,7 +16,6 @@ #include #include -#include #include #include @@ -201,7 +200,6 @@ MACHINE_START(ARMLEX4210, "ARMLEX4210") .smp = smp_ops(exynos_smp_ops), .init_irq = exynos4_init_irq, .map_io = armlex4210_map_io, - .handle_irq = gic_handle_irq, .init_machine = armlex4210_machine_init, .init_late = exynos_init_late, .timer = &exynos4_timer, diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c index 92757ff817ae..34c45b6c8b2c 100644 --- a/arch/arm/mach-exynos/mach-exynos4-dt.c +++ b/arch/arm/mach-exynos/mach-exynos4-dt.c @@ -15,7 +15,6 @@ #include #include -#include #include #include @@ -107,7 +106,6 @@ DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)") .smp = smp_ops(exynos_smp_ops), .init_irq = exynos4_init_irq, .map_io = exynos4_dt_map_io, - .handle_irq = gic_handle_irq, .init_machine = exynos4_dt_machine_init, .init_late = exynos_init_late, .timer = &exynos4_timer, diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index e99d3d8f2bcf..3a3bee463c46 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -16,7 +16,6 @@ #include #include -#include #include #include @@ -179,7 +178,6 @@ DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)") .init_irq = exynos5_init_irq, .smp = smp_ops(exynos_smp_ops), .map_io = exynos5_dt_map_io, - .handle_irq = gic_handle_irq, .init_machine = exynos5_dt_machine_init, .init_late = exynos_init_late, .timer = &exynos4_timer, diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c index 27d4ed8b116e..55f8183e1d6f 100644 --- a/arch/arm/mach-exynos/mach-nuri.c +++ b/arch/arm/mach-exynos/mach-nuri.c @@ -39,7 +39,6 @@ #include #include -#include #include #include @@ -1379,7 +1378,6 @@ MACHINE_START(NURI, "NURI") .smp = smp_ops(exynos_smp_ops), .init_irq = exynos4_init_irq, .map_io = nuri_map_io, - .handle_irq = gic_handle_irq, .init_machine = nuri_machine_init, .init_late = exynos_init_late, .timer = &exynos4_timer, diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c index 5e34b9c16196..45cda369923e 100644 --- a/arch/arm/mach-exynos/mach-origen.c +++ b/arch/arm/mach-exynos/mach-origen.c @@ -29,7 +29,6 @@ #include #include -#include #include #include