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| author | Christoph Hellwig <hch@lst.de> | 2019-06-14 16:26:41 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-06-25 14:28:05 +0200 |
| commit | f73c904534393133e7ddbbe5c36bb007f9c2fb7f (patch) | |
| tree | 34a4bff48d8f3e13c8267a7dcddd310a1848ebf1 /arch/arc/Kconfig | |
| parent | d98849aff87911013aadb730138ab728b52fc547 (diff) | |
| download | linux-f73c904534393133e7ddbbe5c36bb007f9c2fb7f.tar.bz2 | |
arc: use the generic remapping allocator for coherent DMA allocations
Replace the code that sets up uncached PTEs with the generic vmap based
remapping code. It also provides an atomic pool for allocations from
non-blocking context, which we not properly supported by the existing
arc code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Evgeniy Paltsev <paltsev@synopsys.com>
Tested-by: Evgeniy Paltsev <paltsev@synopsys.com>
Diffstat (limited to 'arch/arc/Kconfig')
| -rw-r--r-- | arch/arc/Kconfig | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 23e063df5d2c..cdad7d30ff1d 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -10,6 +10,7 @@ config ARC def_bool y select ARC_TIMERS select ARCH_HAS_DMA_COHERENT_TO_PFN + select ARCH_HAS_DMA_PREP_COHERENT select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_SETUP_DMA_OPS select ARCH_HAS_SYNC_DMA_FOR_CPU @@ -19,6 +20,7 @@ config ARC select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS select COMMON_CLK + select DMA_DIRECT_REMAP select GENERIC_ATOMIC64 if !ISA_ARCV2 || !(ARC_HAS_LL64 && ARC_HAS_LLSC) select GENERIC_CLOCKEVENTS select GENERIC_FIND_FIRST_BIT |