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authorFuad Tabba <tabba@google.com>2021-05-24 09:29:57 +0100
committerWill Deacon <will@kernel.org>2021-05-25 19:27:49 +0100
commitf749448edb9c98bece0aeec5536260a8794af24b (patch)
treeee4656c05b492eec7b5ada9e383a4d915ce5b351 /arch/arm64/mm/cache.S
parent1f42faf1d25de2ae239f322fda8af1c92c20e953 (diff)
arm64: __clean_dcache_area_pop to take end parameter instead of size
To be consistent with other functions with similar names and functionality in cacheflush.h, cache.S, and cachetlb.rst, change to specify the range in terms of start and end, as opposed to start and size. No functional change intended. Reported-by: Will Deacon <will@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Fuad Tabba <tabba@google.com> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20210524083001.2586635-15-tabba@google.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/mm/cache.S')
-rw-r--r--arch/arm64/mm/cache.S9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S
index e2e2740c55ce..b71fcf56516b 100644
--- a/arch/arm64/mm/cache.S
+++ b/arch/arm64/mm/cache.S
@@ -194,16 +194,15 @@ SYM_FUNC_END_PI(__clean_dcache_area_poc)
SYM_FUNC_END(__dma_clean_area)
/*
- * __clean_dcache_area_pop(kaddr, size)
+ * __clean_dcache_area_pop(start, end)
*
- * Ensure that any D-cache lines for the interval [kaddr, kaddr+size)
+ * Ensure that any D-cache lines for the interval [start, end)
* are cleaned to the PoP.
*
- * - kaddr - kernel address
- * - size - size in question
+ * - start - virtual start address of region
+ * - end - virtual end address of region
*/
SYM_FUNC_START_PI(__clean_dcache_area_pop)
- add x1, x0, x1
alternative_if_not ARM64_HAS_DCPOP
b __clean_dcache_area_poc
alternative_else_nop_endif