X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2Flib%2Fdelay.c;fp=arch%2Fsparc64%2Flib%2Fdelay.c;h=fb27e54a03ee11b9db711b9fbfe1b3f3db6894cb;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=f6b4c784d53e05111fbda459f465c04d20c8cc43;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/arch/sparc64/lib/delay.c b/arch/sparc64/lib/delay.c index f6b4c784d..fb27e54a0 100644 --- a/arch/sparc64/lib/delay.c +++ b/arch/sparc64/lib/delay.c @@ -1,6 +1,6 @@ /* delay.c: Delay loops for sparc64 * - * Copyright (C) 2004 David S. Miller + * Copyright (C) 2004, 2006 David S. Miller * * Based heavily upon x86 variant which is: * Copyright (C) 1993 Linus Torvalds @@ -8,19 +8,16 @@ */ #include +#include void __delay(unsigned long loops) { - __asm__ __volatile__( -" b,pt %%xcc, 1f\n" -" cmp %0, 0\n" -" .align 32\n" -"1:\n" -" bne,pt %%xcc, 1b\n" -" subcc %0, 1, %0\n" - : "=&r" (loops) - : "0" (loops) - : "cc"); + unsigned long bclock, now; + + bclock = tick_ops->get_tick(); + do { + now = tick_ops->get_tick(); + } while ((now-bclock) < loops); } /* We used to multiply by HZ after shifting down by 32 bits @@ -31,7 +28,7 @@ void __const_udelay(unsigned long n) { n *= 4; - n *= (cpu_data(_smp_processor_id()).udelay_val * (HZ/4)); + n *= (cpu_data(raw_smp_processor_id()).udelay_val * (HZ/4)); n >>= 32; __delay(n + 1);