aboutsummaryrefslogtreecommitdiffstats
path: root/arch/microblaze/kernel/cpu/cache.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-24 10:43:02 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-24 10:43:02 -0500
commit7b1f94b8a600a3e8b1f8015c5045f1cc8d100a54 (patch)
treed01757943ac78f889e8495d073f1706a7e5f22c4 /arch/microblaze/kernel/cpu/cache.c
parent83d90addc829ab56ace49b10fd7d5d415448aac4 (diff)
parent83b4d17d8841a9a7b8ed02ac99ca92afada154e1 (diff)
Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Fix out_le32() macro microblaze: Fix cache loop function for cache range
Diffstat (limited to 'arch/microblaze/kernel/cpu/cache.c')
-rw-r--r--arch/microblaze/kernel/cpu/cache.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index d9d63831cc2f..2a56bccce4e0 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -172,16 +172,15 @@ do { \
172/* It is used only first parameter for OP - for wic, wdc */ 172/* It is used only first parameter for OP - for wic, wdc */
173#define CACHE_RANGE_LOOP_1(start, end, line_length, op) \ 173#define CACHE_RANGE_LOOP_1(start, end, line_length, op) \
174do { \ 174do { \
175 int step = -line_length; \ 175 int volatile temp; \
176 int count = end - start; \ 176 BUG_ON(end - start <= 0); \
177 BUG_ON(count <= 0); \
178 \ 177 \
179 __asm__ __volatile__ (" 1: addk %0, %0, %1; \ 178 __asm__ __volatile__ (" 1: " #op " %1, r0; \
180 " #op " %0, r0; \ 179 cmpu %0, %1, %2; \
181 bgtid %1, 1b; \ 180 bgtid %0, 1b; \
182 addk %1, %1, %2; \ 181 addk %1, %1, %3; \
183 " : : "r" (start), "r" (count), \ 182 " : : "r" (temp), "r" (start), "r" (end),\
184 "r" (step) : "memory"); \ 183 "r" (line_length) : "memory"); \
185} while (0); 184} while (0);
186 185
187static void __flush_icache_range_msr_irq(unsigned long start, unsigned long end) 186static void __flush_icache_range_msr_irq(unsigned long start, unsigned long end)
@@ -313,16 +312,6 @@ static void __invalidate_dcache_all_wb(void)
313 pr_debug("%s\n", __func__); 312 pr_debug("%s\n", __func__);
314 CACHE_ALL_LOOP2(cpuinfo.dcache_size, cpuinfo.dcache_line_length, 313 CACHE_ALL_LOOP2(cpuinfo.dcache_size, cpuinfo.dcache_line_length,
315 wdc.clear) 314 wdc.clear)
316
317#if 0
318 unsigned int i;
319
320 pr_debug("%s\n", __func__);
321
322 /* Just loop through cache size and invalidate it */
323 for (i = 0; i < cpuinfo.dcache_size; i += cpuinfo.dcache_line_length)
324 __invalidate_dcache(0, i);
325#endif
326} 315}
327 316
328static void __invalidate_dcache_range_wb(unsigned long start, 317static void __invalidate_dcache_range_wb(unsigned long start,