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s390/time: Add clocksource id to TOD clock

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To allow specifying the clock source in the upcoming PtP driver,
add a clocksource ID to the s390 TOD clock.

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Link: https://patch.msgid.link/20241023065601.449586-2-svens@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Sven Schnelle 2024-10-23 08:56:00 +02:00 committed by Jakub Kicinski
parent 365836e010
commit f247fd22e9
2 changed files with 2 additions and 0 deletions
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1
arch/s390/kernel/time.c
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@ -255,6 +255,7 @@ static struct clocksource clocksource_tod = {
.shift = 24,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
.vdso_clock_mode = VDSO_CLOCKMODE_TOD,
.id = CSID_S390_TOD,
};
struct clocksource * __init clocksource_default_clock(void)

1
include/linux/clocksource_ids.h
View File

@ -6,6 +6,7 @@
enum clocksource_ids {
CSID_GENERIC = 0,
CSID_ARM_ARCH_COUNTER,
CSID_S390_TOD,
CSID_X86_TSC_EARLY,
CSID_X86_TSC,
CSID_X86_KVM_CLK,