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| author | Takashi Iwai <tiwai@suse.de> | 2025-05-16 10:58:27 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2025-05-16 10:58:35 +0300 |
| commit | a3d14d1602ca11429d242d230c31af8f822f614f (patch) | |
| tree | cb15a4235841e657753505538e6715711e7cd151 /arch/openrisc/include/asm/cacheflush.h | |
| parent | 1c116e5569ef3bd33be1d6f687b0270c0932838d (diff) | |
| parent | 7b9938a14460e8ec7649ca2e80ac0aae9815bf02 (diff) | |
| download | linux-a3d14d1602ca11429d242d230c31af8f822f614f.tar.xz | |
Merge branch 'for-linus' into for-next
Back-merge of 6.15 devel branch for further development of HD-audio
stuff.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/openrisc/include/asm/cacheflush.h')
| -rw-r--r-- | arch/openrisc/include/asm/cacheflush.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/cacheflush.h b/arch/openrisc/include/asm/cacheflush.h index 984c331ff5f4..0e60af486ec1 100644 --- a/arch/openrisc/include/asm/cacheflush.h +++ b/arch/openrisc/include/asm/cacheflush.h @@ -23,6 +23,9 @@ */ extern void local_dcache_page_flush(struct page *page); extern void local_icache_page_inv(struct page *page); +extern void local_dcache_range_flush(unsigned long start, unsigned long end); +extern void local_dcache_range_inv(unsigned long start, unsigned long end); +extern void local_icache_range_inv(unsigned long start, unsigned long end); /* * Data cache flushing always happen on the local cpu. Instruction cache @@ -39,6 +42,20 @@ extern void smp_icache_page_inv(struct page *page); #endif /* CONFIG_SMP */ /* + * Even if the actual block size is larger than L1_CACHE_BYTES, paddr + * can be incremented by L1_CACHE_BYTES. When paddr is written to the + * invalidate register, the entire cache line encompassing this address + * is invalidated. Each subsequent reference to the same cache line will + * not affect the invalidation process. + */ +#define local_dcache_block_flush(addr) \ + local_dcache_range_flush(addr, addr + L1_CACHE_BYTES) +#define local_dcache_block_inv(addr) \ + local_dcache_range_inv(addr, addr + L1_CACHE_BYTES) +#define local_icache_block_inv(addr) \ + local_icache_range_inv(addr, addr + L1_CACHE_BYTES) + +/* * Synchronizes caches. Whenever a cpu writes executable code to memory, this * should be called to make sure the processor sees the newly written code. */ |
