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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2023-04-04 10:33:40 +0100 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2023-04-05 09:45:08 +0200 |
| commit | 393a759647061bc29c1d62f83c7d36cacc912a89 (patch) | |
| tree | 5328815e6a987d4474b80e1b5ad99561b49be9d1 /arch/mips/mm | |
| parent | 101f26c72825c5dba1dfe826e4202a9a04b435c6 (diff) | |
| download | linux-stable-393a759647061bc29c1d62f83c7d36cacc912a89.tar.gz linux-stable-393a759647061bc29c1d62f83c7d36cacc912a89.tar.bz2 linux-stable-393a759647061bc29c1d62f83c7d36cacc912a89.zip | |
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>
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/c-r4k.c | 14 | ||||
| -rw-r--r-- | arch/mips/mm/cache.c | 19 |
2 files changed, 19 insertions, 14 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 7d447050a20b..5599b9c9a737 100644 --- 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 11b3e7ddafd5..7dba4b5c02c3 100644 --- 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. */ |