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authorkogiidena <kogiidena@eggplant.ddo.jp>2007-05-08 20:45:46 +0900
committerPaul Mundt <lethal@hera.kernel.org>2007-05-09 01:35:02 +0000
commitc71861e65e2898850478a7ac6c4b8cc9f7007e9e (patch)
tree6ab615967bc5e6d2116b1b5cc3ffe945c5ae14b3 /arch/sh/lib
parent074f98df0547b7d15f78db9a17e985da0c22af28 (diff)
downloadlinux-2.6.34-ux500-c71861e65e2898850478a7ac6c4b8cc9f7007e9e.tar.gz
sh: Fixup ndelay() xloops calculation for alternate HZ.
Currently the xloops calculation in ndelay() gets set to 0 when calculated with HZ=250, fix up how we do the HZ factoring in order to get this right for differing values. Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/lib')
-rw-r--r--arch/sh/lib/delay.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/sh/lib/delay.c b/arch/sh/lib/delay.c
index 351714694d6..f3ddd2133e6 100644
--- a/arch/sh/lib/delay.c
+++ b/arch/sh/lib/delay.c
@@ -24,9 +24,10 @@ inline void __const_udelay(unsigned long xloops)
__asm__("dmulu.l %0, %2\n\t"
"sts mach, %0"
: "=r" (xloops)
- : "0" (xloops), "r" (cpu_data[raw_smp_processor_id()].loops_per_jiffy)
+ : "0" (xloops),
+ "r" (HZ * cpu_data[raw_smp_processor_id()].loops_per_jiffy)
: "macl", "mach");
- __delay(xloops * HZ);
+ __delay(xloops);
}
void __udelay(unsigned long usecs)