From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Wed, 26 Feb 2014 12:08:58 +0000 Subject: [Linaro-mm-sig] CMA on AArch64 In-Reply-To: References: <528D2C7E.2010107@codeaurora.org> <20131121120559.GC22663@arm.com> Message-ID: <20140226120857.GA7409@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Feb 26, 2014 at 09:50:35AM +0000, Hwang Chih-Chyuan wrote: > > Yet another feature is DMA cache coherency management (primarily > > streaming DMA) and I have a patch but I want this driven via DT rather > > than drivers or SoC code calling set_dma_ops explicitly (the bindings > > definition is work in progress). > > Is there the plan or the progress about this part (streaming DMA)? :) You can grab a patch here: https://git.kernel.org/cgit/linux/kernel/git/cmarinas/linux-aarch64.git/commit/?h=devel&id=96f083d416c0d01687ed5b37074831f461838455 However, I'd like to see some progress on defining the system topology via DT rather than driver manually setting the dma ops. Dave Martin is looking at this but I don't have an ETA yet. -- Catalin