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authorYang Yingliang <yangyingliang@huawei.com>2022-10-29 19:44:27 +0800
committerDaniel Lezcano <daniel.lezcano@kernel.org>2022-12-02 13:16:46 +0100
commit180d35a7c05d520314a590c99ad8643d0213f28b (patch)
tree4e6e25a38df6044e01de97ac8cb44ece014a1e53 /drivers/clocksource
parent822963b96dfdb72ec4fb1395fbdfa778656b49d1 (diff)
clocksource/drivers/timer-ti-dm: Fix missing clk_disable_unprepare in dmtimer_systimer_init_clock()
If clk_get_rate() fails which is called after clk_prepare_enable(), clk_disable_unprepare() need be called in error path to disable the clock in dmtimer_systimer_init_clock(). Fixes: 52762fbd1c47 ("clocksource/drivers/timer-ti-dm: Add clockevent and clocksource support") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20221029114427.946520-1-yangyingliang@huawei.com Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/timer-ti-dm-systimer.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/clocksource/timer-ti-dm-systimer.c b/drivers/clocksource/timer-ti-dm-systimer.c
index 2737407ff069..632523c1232f 100644
--- a/drivers/clocksource/timer-ti-dm-systimer.c
+++ b/drivers/clocksource/timer-ti-dm-systimer.c
@@ -345,8 +345,10 @@ static int __init dmtimer_systimer_init_clock(struct dmtimer_systimer *t,
return error;
r = clk_get_rate(clock);
- if (!r)
+ if (!r) {
+ clk_disable_unprepare(clock);
return -ENODEV;
+ }
if (is_ick)
t->ick = clock;