Commit af1057ab authored Aug 03, 2009 by Julia Lawall Committed by Russell King Aug 03, 2009

ARM: 5635/1: Use DIV_ROUND_CLOSEST

The kernel.h macro DIV_ROUND_CLOSEST performs the computation
(x + d/2)/d but is perhaps more readable.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/

)

// <smpl>
@haskernel@
@@

@depends on haskernel@
expression x,__divisor;
@@

- (((x) + ((__divisor) / 2)) / (__divisor))
+ DIV_ROUND_CLOSEST(x,__divisor)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent ef12379f

arch/arm/mach-ep93xx/core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -82,7 +82,7 @@ void __init ep93xx_map_io(void)
		*/
		static unsigned int last_jiffy_time;

		#define TIMER4_TICKS_PER_JIFFY ((CLOCK_TICK_RATE + (HZ/2)) / HZ)
		#define TIMER4_TICKS_PER_JIFFY DIV_ROUND_CLOSEST(CLOCK_TICK_RATE, HZ)

		static irqreturn_t ep93xx_timer_interrupt(int irq, void *dev_id)
		{