Messages in this thread Patch in this message | | | From | Claire Chang <> | Subject | [PATCH] swiotlb: use depends on for DMA_RESTRICTED_POOL | Date | Fri, 27 Aug 2021 11:48:02 +0800 |
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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: 0b84e4f8b793 ("swiotlb: Add restricted DMA pool initialization") Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Claire Chang <tientzu@chromium.org> --- kernel/dma/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig index fd4db714d86b..1b02179758cb 100644 --- a/kernel/dma/Kconfig +++ b/kernel/dma/Kconfig @@ -82,8 +82,7 @@ config SWIOTLB config DMA_RESTRICTED_POOL bool "DMA Restricted Pool" - depends on OF && OF_RESERVED_MEM - select SWIOTLB + depends on OF && OF_RESERVED_MEM && SWIOTLB help This enables support for restricted DMA pools which provide a level of DMA memory protection on systems with limited hardware protection -- 2.33.0.259.gc128427fd7-goog
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