From mboxrd@z Thu Jan 1 00:00:00 1970 From: m.szyprowski@samsung.com (Marek Szyprowski) Date: Wed, 28 Mar 2012 16:38:40 +0200 Subject: [PATCHv2 01/14] common: dma-mapping: introduce alloc_attrs and free_attrs methods In-Reply-To: <4F72F603.2000803@mvista.com> References: <1332855768-32583-1-git-send-email-m.szyprowski@samsung.com> <1332855768-32583-2-git-send-email-m.szyprowski@samsung.com> <4F72F603.2000803@mvista.com> Message-ID: <016001cd0cf0$7807bdb0$68173910$%szyprowski@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Sergei, On Wednesday, March 28, 2012 1:29 PM Sergei Shtylyov wrote: > On 27-03-2012 17:42, Marek Szyprowski wrote: > > > Introduce new generic alloc and free methods with attributes argument. > > The method names don't match the ones in the subject. Right, I will reword the subject to "common: dma-mapping: introduce generic alloc() and free() methods". > > 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 > > Acked-by: Kyungmin Park > > Reviewed-by: David Gibson > > Reviewed-by: Arnd Bergmann > Best regards -- Marek Szyprowski Samsung Poland R&D Center