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authorOlof Johansson <olof@lixom.net>2014-12-04 23:32:16 -0800
committerOlof Johansson <olof@lixom.net>2014-12-04 23:32:16 -0800
commit6b34df9e30c8b596f9d0173ca17714076474458e (patch)
treea47b26e4ebb4d0aea10b3abbb620efa2a004ba8c /arch/arm
parentMerge tag 'tegra-for-3.19-iommu' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers (diff)
parentclocksource: arch_timer: Allow the device tree to specify uninitialized timer registers (diff)
downloadlinux-dev-6b34df9e30c8b596f9d0173ca17714076474458e.tar.xz
linux-dev-6b34df9e30c8b596f9d0173ca17714076474458e.zip
Merge branch 'clocksource/physical-timers' into next/drivers
* clocksource/physical-timers: clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers clocksource: arch_timer: Fix code to use physical timers when requested
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/include/asm/arch_timer.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
index 92793ba69c40..d4ebf5679f1f 100644
--- a/arch/arm/include/asm/arch_timer.h
+++ b/arch/arm/include/asm/arch_timer.h
@@ -78,6 +78,15 @@ static inline u32 arch_timer_get_cntfrq(void)
return val;
}
+static inline u64 arch_counter_get_cntpct(void)
+{
+ u64 cval;
+
+ isb();
+ asm volatile("mrrc p15, 0, %Q0, %R0, c14" : "=r" (cval));
+ return cval;
+}
+
static inline u64 arch_counter_get_cntvct(void)
{
u64 cval;