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powerpc: fix register usage in some inline assembly code

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In some usages of inline assembly, hard-coded registers were
specified when a scratch register should have been used instead.

Signed-off-by: Timur Tabi <timur@freescale.com>
This commit is contained in:
Timur Tabi 2010-12-14 17:18:51 -06:00 • committed by Wolfgang Denk
parent 2eb1573f01
commit 96805a529c
2 changed files with 19 additions and 11 deletions
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5
arch/powerpc/lib/time.c
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@ -78,6 +78,8 @@ unsigned long ticks2usec(unsigned long ticks)
int init_timebase (void)
{
unsigned long temp;
#if defined(CONFIG_5xx) || defined(CONFIG_8xx)
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
@ -86,7 +88,8 @@ int init_timebase (void)
#endif
/* reset */
asm ("li 3,0 ; mttbu 3 ; mttbl 3 ;");
asm volatile("li %0,0 ; mttbu %0 ; mttbl %0;"
: "=&r"(temp) );
#if defined(CONFIG_5xx) || defined(CONFIG_8xx)
/* enable */