* [PATCH 7/15] arch/arm/plat-iop: Use DIV_ROUND_CLOSEST
@ 2009-08-02 8:46 ` Julia Lawall
0 siblings, 0 replies; 2+ messages in thread
From: Julia Lawall @ 2009-08-02 8:46 UTC (permalink / raw)
To: kernel, dan.j.williams, linux-arm-kernel, linux-kernel, kernel-janitors
From: Julia Lawall <julia@diku.dk>
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@
@@
#include <linux/kernel.h>
@depends on haskernel@
expression x,__divisor;
@@
- (((x) + ((__divisor) / 2)) / (__divisor))
+ DIV_ROUND_CLOSEST(x,__divisor)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
---
arch/arm/plat-iop/time.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index 3695bbe..8da95d5 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -85,7 +85,7 @@ void __init iop_init_time(unsigned long tick_rate)
{
u32 timer_ctl;
- ticks_per_jiffy = (tick_rate + HZ/2) / HZ;
+ ticks_per_jiffy = DIV_ROUND_CLOSEST(tick_rate, HZ);
ticks_per_usec = tick_rate / 1000000;
next_jiffy_time = 0xffffffff;
iop_tick_rate = tick_rate;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH 7/15] arch/arm/plat-iop: Use DIV_ROUND_CLOSEST
@ 2009-08-02 8:46 ` Julia Lawall
0 siblings, 0 replies; 2+ messages in thread
From: Julia Lawall @ 2009-08-02 8:46 UTC (permalink / raw)
To: kernel, dan.j.williams, linux-arm-kernel, linux-kernel, kernel-janitors
From: Julia Lawall <julia@diku.dk>
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@
@@
#include <linux/kernel.h>
@depends on haskernel@
expression x,__divisor;
@@
- (((x) + ((__divisor) / 2)) / (__divisor))
+ DIV_ROUND_CLOSEST(x,__divisor)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
---
arch/arm/plat-iop/time.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index 3695bbe..8da95d5 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -85,7 +85,7 @@ void __init iop_init_time(unsigned long tick_rate)
{
u32 timer_ctl;
- ticks_per_jiffy = (tick_rate + HZ/2) / HZ;
+ ticks_per_jiffy = DIV_ROUND_CLOSEST(tick_rate, HZ);
ticks_per_usec = tick_rate / 1000000;
next_jiffy_time = 0xffffffff;
iop_tick_rate = tick_rate;
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2009-08-02 8:46 [PATCH 7/15] arch/arm/plat-iop: Use DIV_ROUND_CLOSEST Julia Lawall
2009-08-02 8:46 ` Julia Lawall
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