Commit f3c4b134 authored by Claire Chang's avatar Claire Chang Committed by Konrad Rzeszutek Wilk
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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: 0b84e4f8 ("swiotlb: Add restricted DMA pool initialization")
Acked-by: default avatarWill Deacon <will@kernel.org>
Reported-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarClaire Chang <tientzu@chromium.org>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent f3cfd136

kernel/dma/Kconfig

+1 −2
Original line number Diff line number Diff line
@@ -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