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H A D | dma-mapping.c | 18eabe23 Sat Oct 31 11:52:16 CDT 2009 Russell King <rmk+kernel@arm.linux.org.uk> ARM: dma-mapping: introduce the idea of buffer ownership
The DMA API has the notion of buffer ownership; make it explicit in the ARM implementation of this API. This gives us a set of hooks to allow us to deal with CPU cache issues arising from non-cache coherent DMA.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-By: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-By: Jamie Iles <jamie@jamieiles.com> 18eabe23 Sat Oct 31 11:52:16 CDT 2009 Russell King <rmk+kernel@arm.linux.org.uk> ARM: dma-mapping: introduce the idea of buffer ownership The DMA API has the notion of buffer ownership; make it explicit in the ARM implementation of this API. This gives us a set of hooks to allow us to deal with CPU cache issues arising from non-cache coherent DMA. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-By: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-By: Jamie Iles <jamie@jamieiles.com>
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