From: Benoît Thébaudeau Date: Tue, 14 Aug 2012 05:01:21 +0000 (+0000) Subject: mx5/6 timer: Round up tick_to_time() value X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=68d919d42053af99c5220d0469aa4b3de2ae1c55;p=project%2Fbcm63xx%2Fu-boot.git mx5/6 timer: Round up tick_to_time() value Round up tick_to_time() value instead of truncating it. This avoids stopping waits instantly for low usec values, and this generally guarantees that the code always waits for at least the requested duration. Signed-off-by: Benoît Thébaudeau Cc: Stefano Babic Acked-by: Stefano Babic --- diff --git a/arch/arm/cpu/armv7/imx-common/timer.c b/arch/arm/cpu/armv7/imx-common/timer.c index 1645ff83f4..e2725e1a64 100644 --- a/arch/arm/cpu/armv7/imx-common/timer.c +++ b/arch/arm/cpu/armv7/imx-common/timer.c @@ -61,7 +61,7 @@ static inline unsigned long long tick_to_time(unsigned long long tick) static inline unsigned long long us_to_tick(unsigned long long usec) { - usec *= CLK_32KHZ; + usec = usec * CLK_32KHZ + 999999; do_div(usec, 1000000); return usec;