From d4688bdc6335e9faaf3f0173f96932cd520cee1a Mon Sep 17 00:00:00 2001 From: Maxime Coquelin Date: Thu, 28 May 2015 07:05:53 +0200 Subject: [PATCH] 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 Signed-off-by: Maxime Coquelin Signed-off-by: Daniel Lezcano --- 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 fad2e2e7a0b8..a97e8b50701c 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 {