From 975fd3c26fedac29f3767971918add558bae5c51 Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Sun, 21 May 2023 23:31:23 +0100 Subject: [PATCH] MIPS: Select CONFIG_GENERIC_IDLE_POLL_SETUP hlt,nohlt paramaters are useful when debugging cpuidle related issues. Signed-off-by: Jiaxun Yang Signed-off-by: Thomas Bogendoerfer --- Documentation/admin-guide/kernel-parameters.txt | 4 ++-- arch/mips/Kconfig | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 50439f410adc..6c6f5901b0c0 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3702,8 +3702,8 @@ nohibernate [HIBERNATION] Disable hibernation and resume. - nohlt [ARM,ARM64,MICROBLAZE,SH] Forces the kernel to busy wait - in do_idle() and not use the arch_cpu_idle() + nohlt [ARM,ARM64,MICROBLAZE,MIPS,SH] Forces the kernel to + busy wait in do_idle() and not use the arch_cpu_idle() implementation; requires CONFIG_GENERIC_IDLE_POLL_SETUP to be effective. This is useful on platforms where the sleep(SH) or wfi(ARM,ARM64) instructions do not work diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index d79d6d495094..ab472592fae0 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -44,6 +44,7 @@ config MIPS select GENERIC_LIB_UCMPDI2 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC select GENERIC_SMP_IDLE_THREAD + select GENERIC_IDLE_POLL_SETUP select GENERIC_TIME_VSYSCALL select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT select HAS_IOPORT if !NO_IOPORT_MAP || ISA