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sh: Fixup ndelay() xloops calculation for alternate HZ.

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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>
This commit is contained in:
kogiidena 2007-05-08 20:45:46 +09:00 committed by Paul Mundt
parent 074f98df05
commit c71861e65e
1 changed files with 3 additions and 2 deletions
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5
arch/sh/lib/delay.c
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@ -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)