diff options
-rw-r--r-- | arch/arm/include/asm/arch_timer.h | 10 | ||||
-rw-r--r-- | arch/arm64/include/asm/arch_timer.h | 13 | ||||
-rw-r--r-- | drivers/clocksource/arm_arch_timer.c | 15 |
3 files changed, 25 insertions, 13 deletions
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h index 4b66ecd6be99..99175812d903 100644 --- a/arch/arm/include/asm/arch_timer.h +++ b/arch/arm/include/asm/arch_timer.h @@ -4,6 +4,7 @@ #include <asm/barrier.h> #include <asm/errno.h> +#include <asm/hwcap.h> #include <linux/clocksource.h> #include <linux/init.h> #include <linux/types.h> @@ -124,6 +125,15 @@ static inline void arch_timer_set_cntkctl(u32 cntkctl) isb(); } +static inline void arch_timer_set_evtstrm_feature(void) +{ + elf_hwcap |= HWCAP_EVTSTRM; +} + +static inline bool arch_timer_have_evtstrm_feature(void) +{ + return elf_hwcap & HWCAP_EVTSTRM; +} #endif #endif diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h index 50b3ab7ded4f..a847a3ee6cab 100644 --- a/arch/arm64/include/asm/arch_timer.h +++ b/arch/arm64/include/asm/arch_timer.h @@ -20,6 +20,7 @@ #define __ASM_ARCH_TIMER_H #include <asm/barrier.h> +#include <asm/hwcap.h> #include <asm/sysreg.h> #include <linux/bug.h> @@ -240,4 +241,16 @@ static inline int arch_timer_arch_init(void) return 0; } +static inline void arch_timer_set_evtstrm_feature(void) +{ + cpu_set_named_feature(EVTSTRM); +#ifdef CONFIG_COMPAT + compat_elf_hwcap |= COMPAT_HWCAP_EVTSTRM; +#endif +} + +static inline bool arch_timer_have_evtstrm_feature(void) +{ + return cpu_have_named_feature(EVTSTRM); +} #endif diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 5c69c9a9a6a4..3c8afcd3444c 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -804,14 +804,7 @@ static void arch_timer_evtstrm_enable(int divider) cntkctl |= (divider << ARCH_TIMER_EVT_TRIGGER_SHIFT) | ARCH_TIMER_VIRT_EVT_EN; arch_timer_set_cntkctl(cntkctl); -#ifdef CONFIG_ARM64 - cpu_set_named_feature(EVTSTRM); -#else - elf_hwcap |= HWCAP_EVTSTRM; -#endif -#ifdef CONFIG_COMPAT - compat_elf_hwcap |= COMPAT_HWCAP_EVTSTRM; -#endif + arch_timer_set_evtstrm_feature(); cpumask_set_cpu(smp_processor_id(), &evtstrm_available); } @@ -1040,11 +1033,7 @@ static int arch_timer_cpu_pm_notify(struct notifier_block *self, } else if (action == CPU_PM_ENTER_FAILED || action == CPU_PM_EXIT) { arch_timer_set_cntkctl(__this_cpu_read(saved_cntkctl)); -#ifdef CONFIG_ARM64 - if (cpu_have_named_feature(EVTSTRM)) -#else - if (elf_hwcap & HWCAP_EVTSTRM) -#endif + if (arch_timer_have_evtstrm_feature()) cpumask_set_cpu(smp_processor_id(), &evtstrm_available); } return NOTIFY_OK; |