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| author | Christoph Hellwig <hch@lst.de> | 2019-02-03 20:12:02 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-02-20 07:26:35 -0700 |
| commit | ff4c25f26a71b79c70ea03b3935a1297439a8a85 (patch) | |
| tree | bb278baf485553d3a73b4de530edcc2287e003a5 /drivers | |
| parent | be4311a262bcf29da60c1ef6b5a457fe5d9cccef (diff) | |
| download | linux-ff4c25f26a71b79c70ea03b3935a1297439a8a85.tar.gz linux-ff4c25f26a71b79c70ea03b3935a1297439a8a85.tar.bz2 linux-ff4c25f26a71b79c70ea03b3935a1297439a8a85.zip | |
dma-mapping: improve selection of dma_declare_coherent availability
This API is primarily used through DT entries, but two architectures
and two drivers call it directly. So instead of selecting the config
symbol for random architectures pull it in implicitly for the actual
users. Also rename the Kconfig option to describe the feature better.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/of/Kconfig | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index f15f6489803d..c3ccf2c7b3ef 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1067,6 +1067,7 @@ config MFD_SI476X_CORE config MFD_SM501 tristate "Silicon Motion SM501" depends on HAS_DMA + select DMA_DECLARE_COHERENT ---help--- This is the core driver for the Silicon Motion SM501 multimedia companion chip. This device is a multifunction device which may @@ -1675,6 +1676,7 @@ config MFD_TC6393XB select GPIOLIB select MFD_CORE select MFD_TMIO + select DMA_DECLARE_COHERENT help Support for Toshiba Mobile IO Controller TC6393XB diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 3607fd2810e4..37c2ccbefecd 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -43,6 +43,7 @@ config OF_FLATTREE config OF_EARLY_FLATTREE bool + select DMA_DECLARE_COHERENT if HAS_DMA select OF_FLATTREE config OF_PROMTREE @@ -83,7 +84,7 @@ config OF_MDIO config OF_RESERVED_MEM bool depends on OF_EARLY_FLATTREE - default y if HAVE_GENERIC_DMA_COHERENT || DMA_CMA + default y if DMA_DECLARE_COHERENT || DMA_CMA config OF_RESOLVE bool |