[PATCH 3/8] ARM: plat-nomadik: use DIV_ROUND_CLOSEST()
Linus Walleij
linus.walleij at stericsson.com
Thu Oct 18 13:18:52 EDT 2012
From: Linus Walleij <linus.walleij at linaro.org>
Use DIV_ROUND_CLOSEST() to calculate the cycle counter for the
periodic mode instead of relying on homebrew reimplementation.
Cc: Alessandro Rubini <rubini at unipv.it>
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
arch/arm/plat-nomadik/timer.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index 0ae2b06..f911430 100644
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -201,7 +201,8 @@ void __init nmdk_timer_init(void __iomem *base, int irq)
clk_prescale = MTU_CRn_PRESCALE_1;
}
- nmdk_cycle = (rate + HZ/2) / HZ;
+ /* Cycles for periodic mode */
+ nmdk_cycle = DIV_ROUND_CLOSEST(rate, HZ);
/* Timer 0 is the free running clocksource */
--
1.7.11.3
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