Commit-ID: d4688bdc6335e9faaf3f0173f96932cd520cee1a
Gitweb: http://git.kernel.org/tip/d4688bdc6335e9faaf3f0173f96932cd520cee1a
Author: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
AuthorDate: Thu, 28 May 2015 07:05:53 +0200
Committer: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
CommitDate: Tue, 2 Jun 2015 12:10:16 +0200
clockevents/drivers/timer-stm32: Fix build warning spotted by kbuild test robot
This patch fixes below warning spotted by kbuild test robot when building
with ARCH=powerpc:
drivers/clocksource/timer-stm32.c: In function 'stm32_clockevent_init':
>> drivers/clocksource/timer-stm32.c:140:9: warning: large integer implicitly
truncated to unsigned type [-Woverflow]
writel_relaxed(~0UL, data->base + TIM_ARR);
The fix consists in using 0U instead of 0UL.
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
drivers/clocksource/timer-stm32.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clocksource/timer-stm32.c b/drivers/clocksource/timer-stm32.c
index fad2e2e..a97e8b5 100644
--- a/drivers/clocksource/timer-stm32.c
+++ b/drivers/clocksource/timer-stm32.c
@@ -137,9 +137,9 @@ static void __init stm32_clockevent_init(struct device_node *np)
}
/* Detect whether the timer is 16 or 32 bits */
- writel_relaxed(~0UL, data->base + TIM_ARR);
+ writel_relaxed(~0U, data->base + TIM_ARR);
max_delta = readl_relaxed(data->base + TIM_ARR);
- if (max_delta == ~0UL) {
+ if (max_delta == ~0U) {
prescaler = 1;
bits = 32;
} else {
--
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