ARM: plat-nomadik: use DIV_ROUND_CLOSEST()

Use DIV_ROUND_CLOSEST() to calculate the cycle counter for the
periodic mode instead of relying on homebrew reimplementation.

Cc: Alessandro Rubini <rubini@unipv.it>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index 0ae2b06..f911430 100644 (file)
--- 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 */