diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-28 10:32:58 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-28 10:32:58 +0200 |
commit | 615dca38c2eae55aff80050275931c87a812b48c (patch) | |
tree | 8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /arch/openrisc/include/asm/cacheflush.h | |
parent | 3baea29dc0a7b561170d7082f831a613ae6aa56e (diff) | |
parent | b4432656b36e5cc1d50a1f2dc15357543add530e (diff) |
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following
merge conflicts that were reported in linux-next:
drivers/usb/chipidea/ci_hdrc_imx.c
drivers/usb/host/xhci.h
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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. */ |