powerpc: fix register usage in some inline assembly code
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>
diff --git a/arch/powerpc/lib/time.c b/arch/powerpc/lib/time.c
index 2909961..34633c3 100644
--- a/arch/powerpc/lib/time.c
+++ b/arch/powerpc/lib/time.c
@@ -78,6 +78,8 @@
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 @@
#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 */