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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-05-15 11:02:43 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-05-17 11:52:11 +0100
commit47ab0dee661dbd5aca67abe44a333e471134fbf9 (patch)
tree6464acf6eb3cd42102fa70e160335626354edfc1 /arch/arm/configs
parent8c0b742ca7a7d21de0ddc87eda6ef0b282e4de18 (diff)
ARM: Optionally allow ARMv6 to use 'normal, bufferable' memory for DMA
Provide a configuration option to allow the ARMv6 to use normal bufferable memory for coherent DMA. This option is forced to 'y' for ARMv7, and offered as a configuration option on ARMv6. Enabling this option requires drivers to have the necessary barriers to ensure that data in DMA coherent memory is visible prior to the DMA operation commencing. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/configs')
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