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Message-ID: <CACRpkdbX350uaHHFHpy7km0Pu4aiSqu-bdontdhJiRM39k-LUA@mail.gmail.com> Date: Wed, 23 Jul 2014 16:52:39 +0200 From: Linus Walleij <linus.walleij@...aro.org> To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org> Cc: "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>, Chris Ball <chris@...ntf.net>, Ulf Hansson <ulf.hansson@...aro.org>, Russell King <linux@....linux.org.uk>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Andy Gross <agross@...eaurora.org>, "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org> Subject: Re: [PATCH v2] mmc: mmci: Add qcom dml support to the driver. On Fri, Jul 18, 2014 at 10:53 PM, Srinivas Kandagatla <srinivas.kandagatla@...aro.org> wrote: > On Qualcomm APQ8064 SOCs, SD card controller has an additional glue > called DML (Data Mover Local/Lite) to assist dma transfers. > This hardware needs to be setup before any dma transfer is requested. > DML itself is not a DMA engine, its just a gule between the SD card > controller and dma controller. > > Most of this code has been ported from qualcomm's 3.4 kernel. > > This patch adds the code necessary to intialize the hardware and setup > before doing any dma transfers. > > Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org> > --- > Changes since v1: > - Added licence text as spotted by Stephen B. > - Simplified dma channel lookup as suggested by Stephen B. > - Removed unnecessary parens spotted by Stephen B. > - in general some cleanup done. > > Changes since RFC: > - Moved qcom_dml.* to mmci_qcom_dml.* as suggested by Linus W. > - added BAM DMA dependency in Kconfig as suggested by Linus W I really like this v2 version. Reviewed-by: Linus Walleij <linus.walleij@...aro.org> Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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