From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Szyprowski Subject: RE: [PATCHv2 01/14] common: dma-mapping: introduce alloc_attrs and free_attrs methods Date: Wed, 28 Mar 2012 16:38:40 +0200 Message-ID: <016001cd0cf0$7807bdb0$68173910$%szyprowski@samsung.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> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7BIT Return-path: In-reply-to: <4F72F603.2000803@mvista.com> Content-language: pl Sender: owner-linux-mm@kvack.org To: 'Sergei Shtylyov' Cc: linux-kernel@vger.kernel.org, 'Benjamin Herrenschmidt' , 'Thomas Gleixner' , 'Andrew Morton' , 'Arnd Bergmann' , 'Stephen Rothwell' , 'FUJITA Tomonori' , microblaze-uclinux@itee.uq.edu.au, linux-arch@vger.kernel.org, x86@kernel.org, linux-sh@vger.kernel.org, linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org, linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mips@linux-mips.org, discuss@x86-64.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linaro-mm-sig@lists.linaro.org, 'Jonathan Corbet' , 'Kyungmin Park' , Andrzej Pietrasiewicz , 'Kevin Cernekee' , 'Dezhong Diao' , 'Richard Kuo' List-Id: linux-arch.vger.kernel.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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org