From: Julia Lawall <julia@diku.dk>
To: geert@linux-m68k.org, zippel@linux-m68k.org,
linux-m68k@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: [PATCH 9/15] arch/m68k: Use DIV_ROUND_CLOSEST
Date: Sun, 2 Aug 2009 10:47:47 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.64.0908021047280.15557@ask.diku.dk> (raw)
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/m68k/amiga/config.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index 6e56275..002b9b0 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -480,7 +480,7 @@ static void __init amiga_sched_init(irq_handler_t timer_routine)
static struct resource sched_res = {
.name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff,
};
- jiffy_ticks = (amiga_eclock+HZ/2)/HZ;
+ jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ);
if (request_resource(&mb_resources._ciab, &sched_res))
printk("Cannot allocate ciab.ta{lo,hi}\n");
next reply other threads:[~2009-08-02 8:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-02 8:47 Julia Lawall [this message]
2009-12-23 19:20 ` Geert Uytterhoeven
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