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-rw-r--r--arch/sh/mm/cache-sh4.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index e48cc22724d9..ae531affccbd 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -11,12 +11,8 @@
11 */ 11 */
12#include <linux/init.h> 12#include <linux/init.h>
13#include <linux/mm.h> 13#include <linux/mm.h>
14#include <asm/addrspace.h> 14#include <linux/io.h>
15#include <asm/pgtable.h> 15#include <linux/mutex.h>
16#include <asm/processor.h>
17#include <asm/cache.h>
18#include <asm/io.h>
19#include <asm/pgalloc.h>
20#include <asm/mmu_context.h> 16#include <asm/mmu_context.h>
21#include <asm/cacheflush.h> 17#include <asm/cacheflush.h>
22 18
@@ -83,9 +79,9 @@ static void __init emit_cache_params(void)
83 */ 79 */
84 80
85/* Worst case assumed to be 64k cache, direct-mapped i.e. 4 synonym bits. */ 81/* Worst case assumed to be 64k cache, direct-mapped i.e. 4 synonym bits. */
86#define MAX_P3_SEMAPHORES 16 82#define MAX_P3_MUTEXES 16
87 83
88struct semaphore p3map_sem[MAX_P3_SEMAPHORES]; 84struct mutex p3map_mutex[MAX_P3_MUTEXES];
89 85
90void __init p3_cache_init(void) 86void __init p3_cache_init(void)
91{ 87{
@@ -115,7 +111,7 @@ void __init p3_cache_init(void)
115 panic("%s failed.", __FUNCTION__); 111 panic("%s failed.", __FUNCTION__);
116 112
117 for (i = 0; i < cpu_data->dcache.n_aliases; i++) 113 for (i = 0; i < cpu_data->dcache.n_aliases; i++)
118 sema_init(&p3map_sem[i], 1); 114 mutex_init(&p3map_mutex[i]);
119} 115}
120 116
121/* 117/*
@@ -229,7 +225,7 @@ static inline void flush_cache_4096(unsigned long start,
229 */ 225 */
230 if ((cpu_data->flags & CPU_HAS_P2_FLUSH_BUG) || 226 if ((cpu_data->flags & CPU_HAS_P2_FLUSH_BUG) ||
231 (start < CACHE_OC_ADDRESS_ARRAY)) 227 (start < CACHE_OC_ADDRESS_ARRAY))
232 exec_offset = 0x20000000; 228 exec_offset = 0x20000000;
233 229
234 local_irq_save(flags); 230 local_irq_save(flags);
235 __flush_cache_4096(start | SH_CACHE_ASSOC, 231 __flush_cache_4096(start | SH_CACHE_ASSOC,
@@ -250,7 +246,7 @@ void flush_dcache_page(struct page *page)
250 246
251 /* Loop all the D-cache */ 247 /* Loop all the D-cache */
252 n = cpu_data->dcache.n_aliases; 248 n = cpu_data->dcache.n_aliases;
253 for (i = 0; i < n; i++, addr += PAGE_SIZE) 249 for (i = 0; i < n; i++, addr += 4096)
254 flush_cache_4096(addr, phys); 250 flush_cache_4096(addr, phys);
255 } 251 }
256 252