From: Rob Herring Date: Wed, 1 Feb 2012 16:57:52 +0000 (+0000) Subject: ARM: highbank: fix us_to_tick calculation X-Git-Tag: v2012.04-rc1~19^2~62 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ceb2071c6bdb9b0f6cfe9b0adecbe8d657be496e;p=kernel%2Fu-boot.git ARM: highbank: fix us_to_tick calculation udelay calls were off due to failing to convert us to ns. Fix this and drop the unnecessary shifts since NS_PER_TICK is only 7ns. Signed-off-by: Rob Herring --- diff --git a/arch/arm/cpu/armv7/highbank/timer.c b/arch/arm/cpu/armv7/highbank/timer.c index d92503f..0f985e2 100644 --- a/arch/arm/cpu/armv7/highbank/timer.c +++ b/arch/arm/cpu/armv7/highbank/timer.c @@ -66,10 +66,10 @@ static inline unsigned long long time_to_tick(unsigned long long time) static inline unsigned long long us_to_tick(unsigned long long us) { - unsigned long long tick = us << 16; + unsigned long long tick = us * 1000; tick += NS_PER_TICK - 1; do_div(tick, NS_PER_TICK); - return tick >> 16; + return tick; } unsigned long long get_ticks(void)