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arm64: mm: Adopt new alternative assembler macros 

Convert the dynamic patching for ARM64_WORKAROUND_CLEAN_CACHE over to
the newly added alternative assembler macros.

Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Daniel Thompson 2015-07-22 12:21:02 +01:00 committed by Will Deacon
parent 63e40815f0
commit 271d35eb77
1 changed files with 6 additions and 1 deletions
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7
arch/arm64/mm/cache.S
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@ -143,7 +143,12 @@ __dma_clean_range:
dcache_line_size x2, x3
sub x3, x2, #1
bic x0, x0, x3
1: alternative_insn "dc cvac, x0", "dc civac, x0", ARM64_WORKAROUND_CLEAN_CACHE
1:
alternative_if_not ARM64_WORKAROUND_CLEAN_CACHE
dc cvac, x0
alternative_else
dc civac, x0
alternative_endif
add x0, x0, x2
cmp x0, x1
b.lo 1b