Merge branch 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / arch / microblaze / kernel / cpu / cache.c

diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index d9d6383..2a56bcc 100644 (file)
--- 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,