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authorJianyong Wu <jianyong.wu@arm.com>2020-12-09 07:09:28 +0100
committerMarc Zyngier <maz@kernel.org>2021-04-07 17:33:20 +0200
commit100148d0fc7dcf8672fe0ac83f44dc5749b4da5c (patch)
treedfa99aa1ef651931f302437a84602c44ecfcbd3e /drivers/clocksource
parenttime: Add mechanism to recognize clocksource in time_get_snapshot (diff)
downloadlinux-100148d0fc7dcf8672fe0ac83f44dc5749b4da5c.tar.xz
linux-100148d0fc7dcf8672fe0ac83f44dc5749b4da5c.zip
clocksource: Add clocksource id for arm arch counter
Add clocksource id to the ARM generic counter so that it can be easily identified from callers such as ptp_kvm. Cc: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Jianyong Wu <jianyong.wu@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20201209060932.212364-6-jianyong.wu@arm.com
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/arm_arch_timer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index d0177824c518..8f12e223703f 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -16,6 +16,7 @@
#include <linux/cpu_pm.h>
#include <linux/clockchips.h>
#include <linux/clocksource.h>
+#include <linux/clocksource_ids.h>
#include <linux/interrupt.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
@@ -191,6 +192,7 @@ static u64 arch_counter_read_cc(const struct cyclecounter *cc)
static struct clocksource clocksource_counter = {
.name = "arch_sys_counter",
+ .id = CSID_ARM_ARCH_COUNTER,
.rating = 400,
.read = arch_counter_read,
.mask = CLOCKSOURCE_MASK(56),