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MIPS: c-r4k: Fix GCC 4.6.0 build error

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CC      arch/mips/mm/c-r4k.o
arch/mips/mm/c-r4k.c: In function 'probe_scache':
arch/mips/mm/c-r4k.c:1078:6: error: variable 'tmp' set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors

Older GCC versions didn't warn about the unused variable tmp because it was
getting initialized.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2011-03-29 10:50:38 +02:00
parent c54794d19e
commit 71271aab8c
1 changed files with 0 additions and 2 deletions
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2
arch/mips/mm/c-r4k.c
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@ -1075,7 +1075,6 @@ static int __cpuinit probe_scache(void)
unsigned long flags, addr, begin, end, pow2;
unsigned int config = read_c0_config();
struct cpuinfo_mips *c = &current_cpu_data;
int tmp;
if (config & CONF_SC)
return 0;
@ -1108,7 +1107,6 @@ static int __cpuinit probe_scache(void)
/* Now search for the wrap around point. */
pow2 = (128 * 1024);
tmp = 0;
for (addr = begin + (128 * 1024); addr < end; addr = begin + pow2) {
cache_op(Index_Load_Tag_SD, addr);
__asm__ __volatile__("nop; nop; nop; nop;"); /* hazard... */