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linux-next/kernel/time
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Alexandre Belloni e09784a8a7 alarmtimer: Check RTC features instead of ops 
RTC drivers used to leave .set_alarm() NULL in order to signal the RTC
device doesn't support alarms. The drivers are now clearing the
RTC_FEATURE_ALARM bit for that purpose in order to keep the rtc_class_ops
structure const. So now, .set_alarm() is set unconditionally and this
possibly causes the alarmtimer code to select an RTC device that doesn't
support alarms.

Test RTC_FEATURE_ALARM instead of relying on ops->set_alarm to determine
whether alarms are available.

Fixes: 7ae41220ef ("rtc: introduce features bitfield")
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210511014516.563031-1-alexandre.belloni@bootlin.com
2021-05-11 21:28:04 +02:00
..
alarmtimer.c alarmtimer: Check RTC features instead of ops 2021-05-11 21:28:04 +02:00
clockevents.c tick: Remove outgoing CPU from broadcast masks 2019-03-23 18:26:43 +01:00
clocksource.c ARM: 2021-05-01 10:14:08 -07:00
hrtimer.c The time and timers updates contain: 2021-04-26 09:54:03 -07:00
itimer.c time: Prevent undefined behaviour in timespec64_to_ns() 2020-10-26 11:48:11 +01:00
jiffies.c timekeeping, clocksource: Fix various typos in comments 2021-03-22 23:06:48 +01:00
Kconfig Update/fix two CPU sanity checks in the hotplug and the boot code, 2020-12-27 09:03:41 -08:00
Makefile timekeeping: add CONFIG_LEGACY_TIMER_TICK 2020-10-30 21:57:04 +01:00
namespace.c timens: Delete no-op time_ns_init() 2021-02-05 19:32:09 +01:00
ntp_internal.h ntp: Make the RTC synchronization more reliable 2020-12-11 10:40:52 +01:00
ntp.c timekeeping, clocksource: Fix various typos in comments 2021-03-22 23:06:48 +01:00
posix-clock.c posix-clocks: Rename the clock_get() callback to clock_get_timespec() 2020-01-14 12:20:49 +01:00
posix-cpu-timers.c The time and timers updates contain: 2021-04-26 09:54:03 -07:00
posix-stubs.c posix-timers: Make clock_nanosleep() time namespace aware 2020-01-14 12:20:55 +01:00
posix-timers.c posix-timers: Preserve return value in clock_adjtime32() 2021-04-17 14:55:06 +02:00
posix-timers.h posix-clocks: Introduce clock_get_ktime() callback 2020-01-14 12:20:51 +01:00
sched_clock.c time/sched_clock: Mark sched_clock_read_begin/retry() as notrace 2020-10-26 11:34:31 +01:00
test_udelay.c time/debug: Remove dentry pointer for debugfs 2021-03-18 11:20:26 +01:00
tick-broadcast-hrtimer.c timekeeping, clocksource: Fix various typos in comments 2021-03-22 23:06:48 +01:00
tick-broadcast.c tick/broadcast: Allow late registered device to enter oneshot mode 2021-04-16 21:03:50 +02:00
tick-common.c tick: Use tick_check_replacement() instead of open coding it 2021-04-16 21:03:50 +02:00
tick-internal.h tick: Get rid of tick_period 2020-11-19 10:48:29 +01:00
tick-legacy.c timekeeping: remove xtime_update 2020-10-30 21:57:07 +01:00
tick-oneshot.c timekeeping, clocksource: Fix various typos in comments 2021-03-22 23:06:48 +01:00
tick-sched.c Power management updates for 5.13-rc1 2021-04-26 15:10:25 -07:00
tick-sched.h timekeeping, clocksource: Fix various typos in comments 2021-03-22 23:06:48 +01:00
time.c timekeeping, clocksource: Fix various typos in comments 2021-03-22 23:06:48 +01:00
timeconst.bc time: Add SPDX license identifiers 2018-11-23 11:51:20 +01:00
timeconv.c time: Add missing colons for parameter documentation of time64_to_tm() 2020-11-15 23:47:23 +01:00
timecounter.c time/timecounter: Mark 1st argument of timecounter_cyc2time() as const 2021-04-16 21:03:50 +02:00
timekeeping_debug.c timekeeping/debug: No need to check return value of debugfs_create functions 2019-01-29 20:08:41 +01:00
timekeeping_internal.h timekeeping/vsyscall: Provide vdso_update_begin/end() 2020-08-06 10:57:30 +02:00
timekeeping.c ARM: 2021-05-01 10:14:08 -07:00
timekeeping.h asm-generic: cross-architecture timer cleanup 2020-12-16 00:07:17 -08:00
timer_list.c timer_list: Use printk format instead of open-coded symbol lookup 2020-11-15 20:47:14 +01:00
timer.c timekeeping, clocksource: Fix various typos in comments 2021-03-22 23:06:48 +01:00
vsyscall.c timekeeping, clocksource: Fix various typos in comments 2021-03-22 23:06:48 +01:00