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clocksource/drivers/pistachio: Fix -Wunused-but-set-variable warning

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Variable 'overflow' set but not used, but this is the intended behavior.
The hardware only updates the counter register after the overflow
register read. However, the value of overflow is not actually needed.

Link: https://lore.kernel.org/lkml/202111200402.afQsussU-lkp@intel.com/
Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Drew Fustini <dfustini@baylibre.com>
Link: https://lore.kernel.org/r/20211123192524.1038304-1-dfustini@baylibre.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Drew Fustini 2021-11-23 11:25:24 -08:00 committed by Daniel Lezcano
parent 0ed9e4ebce
commit 0642fb4ba6
1 changed files with 2 additions and 1 deletions
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3
drivers/clocksource/timer-pistachio.c
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@ -71,7 +71,8 @@ static u64 notrace
pistachio_clocksource_read_cycles(struct clocksource *cs)
{
struct pistachio_clocksource *pcs = to_pistachio_clocksource(cs);
u32 counter, overflow;
__maybe_unused u32 overflow;
u32 counter;
unsigned long flags;
/*