diff options
Diffstat (limited to 'arch/microblaze/kernel')
| -rw-r--r-- | arch/microblaze/kernel/cpu/cache.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c index d9d63831cc2..2a56bccce4e 100644 --- a/arch/microblaze/kernel/cpu/cache.c +++ b/arch/microblaze/kernel/cpu/cache.c @@ -172,16 +172,15 @@ do { \ /* It is used only first parameter for OP - for wic, wdc */ #define CACHE_RANGE_LOOP_1(start, end, line_length, op) \ do { \ - int step = -line_length; \ - int count = end - start; \ - BUG_ON(count <= 0); \ + int volatile temp; \ + BUG_ON(end - start <= 0); \ \ - __asm__ __volatile__ (" 1: addk %0, %0, %1; \ - " #op " %0, r0; \ - bgtid %1, 1b; \ - addk %1, %1, %2; \ - " : : "r" (start), "r" (count), \ - "r" (step) : "memory"); \ + __asm__ __volatile__ (" 1: " #op " %1, r0; \ + cmpu %0, %1, %2; \ + bgtid %0, 1b; \ + addk %1, %1, %3; \ + " : : "r" (temp), "r" (start), "r" (end),\ + "r" (line_length) : "memory"); \ } while (0); static void __flush_icache_range_msr_irq(unsigned long start, unsigned long end) @@ -313,16 +312,6 @@ static void __invalidate_dcache_all_wb(void) pr_debug("%s\n", __func__); CACHE_ALL_LOOP2(cpuinfo.dcache_size, cpuinfo.dcache_line_length, wdc.clear) - -#if 0 - unsigned int i; - - pr_debug("%s\n", __func__); - - /* Just loop through cache size and invalidate it */ - for (i = 0; i < cpuinfo.dcache_size; i += cpuinfo.dcache_line_length) - __invalidate_dcache(0, i); -#endif } static void __invalidate_dcache_range_wb(unsigned long start, |