MIPS: Move declaration of bcache ops to cache.c

bcache is not tied to CPU's cache interface. Just move those
declaration to cache.c so it can be avaialble to CPU with all
cache types.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
index 29187e12b861af91d5a0dc1013daabb28aface38..3424a7908c0fa317dfe9b1d1a00e1524cf864593 100644 (file)
--- a/arch/mips/include/asm/cache.h
+++ b/arch/mips/include/asm/cache.h
@@ -16,4 +16,6 @@
 
 #define __read_mostly __section(".data..read_mostly")
 
+extern void cache_noop(void);
+
 #endif /* _ASM_CACHE_H */

diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 7d447050a20bb41bf581c26b66f294372eb79552..5599b9c9a737d83882cf82f8fdd09657f25fda9c 100644 (file)
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -110,20 +110,6 @@ static unsigned long dcache_size __read_mostly;
 static unsigned long vcache_size __read_mostly;
 static unsigned long scache_size __read_mostly;
 
-/*
- * Dummy cache handling routines for machines without boardcaches
- */
-static void cache_noop(void) {}
-
-static struct bcache_ops no_sc_ops = {
-       .bc_enable = (void *)cache_noop,
-       .bc_disable = (void *)cache_noop,
-       .bc_wback_inv = (void *)cache_noop,
-       .bc_inv = (void *)cache_noop
-};
-
-struct bcache_ops *bcops = &no_sc_ops;
-
 #define cpu_is_r4600_v1_x()    ((read_c0_prid() & 0xfffffff0) == 0x00002010)
 #define cpu_is_r4600_v2_x()    ((read_c0_prid() & 0xfffffff0) == 0x00002020)
 

diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 11b3e7ddafd5c4c048a3c7885f1ac29bc39840fd..7dba4b5c02c35c309342f78fb92f38381cde67d7 100644 (file)
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -17,6 +17,7 @@
 #include <linux/highmem.h>
 #include <linux/pagemap.h>
 
+#include <asm/bcache.h>
 #include <asm/cacheflush.h>
 #include <asm/processor.h>
 #include <asm/cpu.h>
@@ -56,6 +57,24 @@ EXPORT_SYMBOL_GPL(local_flush_data_cache_page);
 EXPORT_SYMBOL(flush_data_cache_page);
 EXPORT_SYMBOL(flush_icache_all);
 
+/*
+ * Dummy cache handling routine
+ */
+
+void cache_noop(void) {}
+
+#ifdef CONFIG_BOARD_SCACHE
+
+static struct bcache_ops no_sc_ops = {
+       .bc_enable = (void *)cache_noop,
+       .bc_disable = (void *)cache_noop,
+       .bc_wback_inv = (void *)cache_noop,
+       .bc_inv = (void *)cache_noop
+};
+
+struct bcache_ops *bcops = &no_sc_ops;
+#endif
+
 #ifdef CONFIG_DMA_NONCOHERENT
 
 /* DMA cache operations. */