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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2023-04-04 11:33:40 +0200 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2023-04-05 09:45:08 +0200 |
| commit | 393a759647061bc29c1d62f83c7d36cacc912a89 (patch) | |
| tree | 5328815e6a987d4474b80e1b5ad99561b49be9d1 /arch/mips/mm/cache.c | |
| parent | MIPS: octeon: Fix compile error (diff) | |
| download | linux-393a759647061bc29c1d62f83c7d36cacc912a89.tar.xz linux-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/cache.c')
| -rw-r--r-- | arch/mips/mm/cache.c | 19 |
1 files changed, 19 insertions, 0 deletions
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. */ |