diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-08-19 14:53:20 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-09-20 09:01:15 +0200 |
| commit | f3ecc0ff0457eae93503792c6fc35921fa8a6204 (patch) | |
| tree | cbaa1fbb29ea8d5b33fb8d1798e595147cb72729 /kernel/dma | |
| parent | 5748e1b35ba28368515d850e8087929a3a65e055 (diff) | |
| download | linux-f3ecc0ff0457eae93503792c6fc35921fa8a6204.tar.bz2 | |
dma-mapping: move the dma_coherent flag to struct device
Various architectures support both coherent and non-coherent dma on a
per-device basis. Move the dma_noncoherent flag from the mips archdata
field to struct device proper to prepare the infrastructure for reuse on
other architectures.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig index 1b1d63b3634b..79476749f196 100644 --- a/kernel/dma/Kconfig +++ b/kernel/dma/Kconfig @@ -13,6 +13,9 @@ config NEED_DMA_MAP_STATE config ARCH_DMA_ADDR_T_64BIT def_bool 64BIT || PHYS_ADDR_T_64BIT +config ARCH_HAS_DMA_COHERENCE_H + bool + config HAVE_GENERIC_DMA_COHERENT bool |