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| author | Christoph Hellwig | 2018-06-19 09:04:55 +0200 |
|---|---|---|
| committer | Helge Deller | 2018-08-13 09:30:32 +0200 |
| commit | c1f59375b3782f478ac2c488889abdc00dd8e25f (patch) | |
| tree | 618197af450d2db9600dfcfbc25dc6c2772462f4 /arch/parisc/Kconfig | |
| parent | parisc: always use flush_kernel_dcache_range for DMA cache maintainance (diff) | |
| download | kernel-qcow2-linux-c1f59375b3782f478ac2c488889abdc00dd8e25f.tar.gz kernel-qcow2-linux-c1f59375b3782f478ac2c488889abdc00dd8e25f.tar.xz kernel-qcow2-linux-c1f59375b3782f478ac2c488889abdc00dd8e25f.zip | |
parisc: use generic dma_noncoherent_ops
Switch to the generic noncoherent direct mapping implementation.
Fix sync_single_for_cpu to do skip the cache flush unless the transfer
is to the device to match the more tested unmap_single path which should
have the same cache coherency implications.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/Kconfig')
| -rw-r--r-- | arch/parisc/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index e7705dde953f..1fcdf1565b23 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -187,6 +187,10 @@ config PA20 config PA11 def_bool y depends on PA7000 || PA7100LC || PA7200 || PA7300LC + select ARCH_HAS_SYNC_DMA_FOR_CPU + select ARCH_HAS_SYNC_DMA_FOR_DEVICE + select DMA_NONCOHERENT_OPS + select DMA_NONCOHERENT_CACHE_SYNC config PREFETCH def_bool y |