From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Wed, 28 Mar 2012 14:36:27 +0000 (+0200)
Subject: common: dma-mapping: introduce generic alloc() and free() methods
X-Git-Tag: sz_154~123
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=06a9da98639a88bc6c4842389f167fa53accff0e;p=pandora-kernel.git

common: dma-mapping: introduce generic alloc() and free() methods

Introduce new generic alloc and free methods with attributes argument.

Existing alloc_coherent and free_coherent can be implemented on top of the
new calls with NULL attributes argument. Later also dma_alloc_non_coherent
can be implemented using DMA_ATTR_NONCOHERENT attribute as well as
dma_alloc_writecombine with separate DMA_ATTR_WRITECOMBINE attribute.

This way the drivers will get more generic, platform independent way of
allocating dma buffers with specific parameters.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: David Gibson <david@gibson.dropbear.ud.au>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
---

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