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ARM: plat-nomadik: use DIV_ROUND_CLOSEST()
authorLinus Walleij <linus.walleij@linaro.org>
Thu, 18 Oct 2012 09:12:31 +0000 (11:12 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Mon, 5 Nov 2012 08:55:32 +0000 (09:55 +0100)
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>
arch/arm/plat-nomadik/timer.c patch | blob | blame | history

diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index 0ae2b068ee0ff1f42650bfbab916addeb68bb19a..f9114306657b9ab14ad1488bec5b710c41693af9 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 */