lkml.org 
[lkml]   [2015]   [May]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] clockevents: timer-stm32: Fix build warning spotted by kbuild test robot
Date
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 casting the value to u32.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
---
drivers/clocksource/timer-stm32.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-stm32.c b/drivers/clocksource/timer-stm32.c
index fad2e2e..c9578d8 100644
--- a/drivers/clocksource/timer-stm32.c
+++ b/drivers/clocksource/timer-stm32.c
@@ -137,7 +137,7 @@ 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((u32)~0UL, data->base + TIM_ARR);
max_delta = readl_relaxed(data->base + TIM_ARR);
if (max_delta == ~0UL) {
prescaler = 1;
--
1.9.1


\
 
 \ /
  Last update: 2015-05-27 19:21    [W:0.318 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site