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| author |   Christoph Hellwig <hch@lst.de> | 2019-04-28 14:28:38 -0500 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-06-25 14:28:06 +0200 |
| commit | 6309513c1be47cd3805a6ceae60ab70285df36ae (patch) | |
| tree | e65fe2b1df76a1a5c2ea8a126c7cc4d143136d90 /arch/nds32/Kconfig | |
| parent | arc: use the generic remapping allocator for coherent DMA allocations (diff) | |
| download | linux-dev-6309513c1be47cd3805a6ceae60ab70285df36ae.tar.xz linux-dev-6309513c1be47cd3805a6ceae60ab70285df36ae.zip | |
nds32: 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
nds32 code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Greentime Hu <greentime@andestech.com>
Reviewed-by: Greentime Hu <greentime@andestech.com>
Diffstat (limited to 'arch/nds32/Kconfig')
| -rw-r--r-- | arch/nds32/Kconfig | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig index 3299e287a477..643ea6b4bfa2 100644 --- a/arch/nds32/Kconfig +++ b/arch/nds32/Kconfig @@ -7,12 +7,14 @@ config NDS32 def_bool y select ARCH_32BIT_OFF_T + select ARCH_HAS_DMA_PREP_COHERENT select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE select ARCH_WANT_FRAME_POINTERS if FTRACE select CLKSRC_MMIO select CLONE_BACKWARDS select COMMON_CLK + select DMA_DIRECT_REMAP select GENERIC_ATOMIC64 select GENERIC_CPU_DEVICES select GENERIC_CLOCKEVENTS |