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swiotlb: use depends on for DMA_RESTRICTED_POOL
Use depends on instead of select for DMA_RESTRICTED_POOL; otherwise it
will make SWIOTLB user configurable and cause compile errors for some
arch (e.g. mips).
Fixes: 0b84e4f8b7
("swiotlb: Add restricted DMA pool initialization")
Acked-by: Will Deacon <will@kernel.org>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Claire Chang <tientzu@chromium.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
parent
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f3c4b1341e
1 changed files with 1 additions and 2 deletions
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@ -82,8 +82,7 @@ config SWIOTLB
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config DMA_RESTRICTED_POOL
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config DMA_RESTRICTED_POOL
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bool "DMA Restricted Pool"
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bool "DMA Restricted Pool"
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depends on OF && OF_RESERVED_MEM
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depends on OF && OF_RESERVED_MEM && SWIOTLB
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select SWIOTLB
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help
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help
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This enables support for restricted DMA pools which provide a level of
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This enables support for restricted DMA pools which provide a level of
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DMA memory protection on systems with limited hardware protection
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DMA memory protection on systems with limited hardware protection
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