From: Mark Brown <broonie@kernel.org> To: Varadarajan Narayanan <varada@codeaurora.org> Cc: Matthew McClintock <mmcclint@codeaurora.org>, Mark Brown <broonie@kernel.org>broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, david.brown@linaro.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.orgMatthew McClintock <mmcclint@codeaurora.org>linux-spi@vger.kernel.org Subject: Applied "spi: qup: refactor spi_qup_prep_sg" to the spi tree Date: Tue, 08 Aug 2017 12:18:05 +0100 [thread overview] Message-ID: <E1df2WT-0006GV-Ms@finisterre> (raw) In-Reply-To: <1500882445-29008-12-git-send-email-varada@codeaurora.org> The patch spi: qup: refactor spi_qup_prep_sg has been applied to the spi tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From a841b24e627ca2d3b6a23ca00a4908bfe8f3a5ef Mon Sep 17 00:00:00 2001 From: Varadarajan Narayanan <varada@codeaurora.org> Date: Fri, 28 Jul 2017 12:22:58 +0530 Subject: [PATCH] spi: qup: refactor spi_qup_prep_sg Take specific sgl and nent to be prepared. This is in preparation for splitting DMA into multiple transacations, this contains no code changes just refactoring. Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org> Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org> Signed-off-by: Mark Brown <broonie@kernel.org> --- drivers/spi/spi-qup.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c index 707b1ec427fa..1af3b41ac12d 100644 --- a/drivers/spi/spi-qup.c +++ b/drivers/spi/spi-qup.c @@ -382,27 +382,20 @@ static void spi_qup_write(struct spi_qup *controller) } while (remainder); } -static int spi_qup_prep_sg(struct spi_master *master, struct spi_transfer *xfer, - enum dma_transfer_direction dir, +static int spi_qup_prep_sg(struct spi_master *master, struct scatterlist *sgl, + unsigned int nents, enum dma_transfer_direction dir, dma_async_tx_callback callback) { struct spi_qup *qup = spi_master_get_devdata(master); unsigned long flags = DMA_PREP_INTERRUPT | DMA_PREP_FENCE; struct dma_async_tx_descriptor *desc; - struct scatterlist *sgl; struct dma_chan *chan; dma_cookie_t cookie; - unsigned int nents; - if (dir == DMA_MEM_TO_DEV) { + if (dir == DMA_MEM_TO_DEV) chan = master->dma_tx; - nents = xfer->tx_sg.nents; - sgl = xfer->tx_sg.sgl; - } else { + else chan = master->dma_rx; - nents = xfer->rx_sg.nents; - sgl = xfer->rx_sg.sgl; - } desc = dmaengine_prep_slave_sg(chan, sgl, nents, dir, flags); if (IS_ERR_OR_NULL(desc)) @@ -451,7 +444,9 @@ static int spi_qup_do_dma(struct spi_device *spi, struct spi_transfer *xfer, } if (xfer->rx_buf) { - ret = spi_qup_prep_sg(master, xfer, DMA_DEV_TO_MEM, rx_done); + ret = spi_qup_prep_sg(master, xfer->rx_sg.sgl, + xfer->rx_sg.nents, DMA_DEV_TO_MEM, + rx_done); if (ret) return ret; @@ -459,7 +454,9 @@ static int spi_qup_do_dma(struct spi_device *spi, struct spi_transfer *xfer, } if (xfer->tx_buf) { - ret = spi_qup_prep_sg(master, xfer, DMA_MEM_TO_DEV, tx_done); + ret = spi_qup_prep_sg(master, xfer->tx_sg.sgl, + xfer->tx_sg.nents, DMA_MEM_TO_DEV, + tx_done); if (ret) return ret; -- 2.13.2
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org> To: Varadarajan Narayanan <varada@codeaurora.org> Cc: Matthew McClintock <mmcclint@codeaurora.org>, Mark Brown <broonie@kernel.org>, broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, david.brown@linaro.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, Matthew McClintock <mmcclint@codeaurora.org>, linux-spi@vger.kernel.org Subject: Applied "spi: qup: refactor spi_qup_prep_sg" to the spi tree Date: Tue, 08 Aug 2017 12:18:05 +0100 [thread overview] Message-ID: <E1df2WT-0006GV-Ms@finisterre> (raw) In-Reply-To: <1500882445-29008-12-git-send-email-varada@codeaurora.org> The patch spi: qup: refactor spi_qup_prep_sg has been applied to the spi tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From a841b24e627ca2d3b6a23ca00a4908bfe8f3a5ef Mon Sep 17 00:00:00 2001 From: Varadarajan Narayanan <varada@codeaurora.org> Date: Fri, 28 Jul 2017 12:22:58 +0530 Subject: [PATCH] spi: qup: refactor spi_qup_prep_sg Take specific sgl and nent to be prepared. This is in preparation for splitting DMA into multiple transacations, this contains no code changes just refactoring. Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org> Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org> Signed-off-by: Mark Brown <broonie@kernel.org> --- drivers/spi/spi-qup.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c index 707b1ec427fa..1af3b41ac12d 100644 --- a/drivers/spi/spi-qup.c +++ b/drivers/spi/spi-qup.c @@ -382,27 +382,20 @@ static void spi_qup_write(struct spi_qup *controller) } while (remainder); } -static int spi_qup_prep_sg(struct spi_master *master, struct spi_transfer *xfer, - enum dma_transfer_direction dir, +static int spi_qup_prep_sg(struct spi_master *master, struct scatterlist *sgl, + unsigned int nents, enum dma_transfer_direction dir, dma_async_tx_callback callback) { struct spi_qup *qup = spi_master_get_devdata(master); unsigned long flags = DMA_PREP_INTERRUPT | DMA_PREP_FENCE; struct dma_async_tx_descriptor *desc; - struct scatterlist *sgl; struct dma_chan *chan; dma_cookie_t cookie; - unsigned int nents; - if (dir == DMA_MEM_TO_DEV) { + if (dir == DMA_MEM_TO_DEV) chan = master->dma_tx; - nents = xfer->tx_sg.nents; - sgl = xfer->tx_sg.sgl; - } else { + else chan = master->dma_rx; - nents = xfer->rx_sg.nents; - sgl = xfer->rx_sg.sgl; - } desc = dmaengine_prep_slave_sg(chan, sgl, nents, dir, flags); if (IS_ERR_OR_NULL(desc)) @@ -451,7 +444,9 @@ static int spi_qup_do_dma(struct spi_device *spi, struct spi_transfer *xfer, } if (xfer->rx_buf) { - ret = spi_qup_prep_sg(master, xfer, DMA_DEV_TO_MEM, rx_done); + ret = spi_qup_prep_sg(master, xfer->rx_sg.sgl, + xfer->rx_sg.nents, DMA_DEV_TO_MEM, + rx_done); if (ret) return ret; @@ -459,7 +454,9 @@ static int spi_qup_do_dma(struct spi_device *spi, struct spi_transfer *xfer, } if (xfer->tx_buf) { - ret = spi_qup_prep_sg(master, xfer, DMA_MEM_TO_DEV, tx_done); + ret = spi_qup_prep_sg(master, xfer->tx_sg.sgl, + xfer->tx_sg.nents, DMA_MEM_TO_DEV, + tx_done); if (ret) return ret; -- 2.13.2
next prev parent reply other threads:[~2017-08-08 11:18 UTC|newest] Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-07-24 7:47 [PATCH v5 00/14] spi: qup: Fixes and add support for >64k transfers Varadarajan Narayanan 2017-07-24 7:47 ` [PATCH v5 01/14] spi: qup: Enable chip select support Varadarajan Narayanan [not found] ` <1500882445-29008-1-git-send-email-varada-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2017-07-24 7:47 ` [PATCH v5 02/14] spi: qup: Setup DMA mode correctly Varadarajan Narayanan 2017-07-24 7:47 ` Varadarajan Narayanan 2017-07-24 7:47 ` [PATCH v5 03/14] spi: qup: Add completion timeout Varadarajan Narayanan 2017-07-24 7:47 ` Varadarajan Narayanan 2017-07-27 8:30 ` kbuild test robot 2017-07-27 8:30 ` kbuild test robot 2017-07-24 7:47 ` [PATCH v5 05/14] spi: qup: Fix error handling in spi_qup_prep_sg Varadarajan Narayanan 2017-07-24 7:47 ` Varadarajan Narayanan 2017-08-08 11:18 ` Applied "spi: qup: Fix error handling in spi_qup_prep_sg" to the spi tree Mark Brown 2017-08-08 11:18 ` Mark Brown 2017-07-24 7:47 ` [PATCH v5 07/14] spi: qup: Do block sized read/write in block mode Varadarajan Narayanan 2017-07-24 7:47 ` Varadarajan Narayanan 2017-08-08 11:18 ` Applied "spi: qup: Do block sized read/write in block mode" to the spi tree Mark Brown 2017-08-08 11:18 ` Mark Brown 2017-07-24 7:47 ` [PATCH v5 09/14] spi: qup: call io_config in mode specific function Varadarajan Narayanan 2017-07-24 7:47 ` Varadarajan Narayanan 2017-07-24 7:47 ` [PATCH v5 10/14] spi: qup: allow block mode to generate multiple transactions Varadarajan Narayanan 2017-07-24 7:47 ` Varadarajan Narayanan 2017-08-08 11:18 ` Applied "spi: qup: allow block mode to generate multiple transactions" to the spi tree Mark Brown 2017-08-08 11:18 ` Mark Brown 2017-07-24 7:47 ` [PATCH v5 11/14] spi: qup: refactor spi_qup_prep_sg Varadarajan Narayanan 2017-07-24 7:47 ` Varadarajan Narayanan 2017-08-08 11:18 ` Mark Brown [this message] 2017-08-08 11:18 ` Applied "spi: qup: refactor spi_qup_prep_sg" to the spi tree Mark Brown 2017-07-24 7:47 ` [PATCH v5 12/14] spi: qup: allow multiple DMA transactions per spi xfer Varadarajan Narayanan 2017-07-24 7:47 ` Varadarajan Narayanan 2017-07-24 7:47 ` [PATCH v5 04/14] spi: qup: Place the QUP in run mode before DMA Varadarajan Narayanan 2017-08-08 11:18 ` Applied "spi: qup: Place the QUP in run mode before DMA" to the spi tree Mark Brown 2017-08-08 11:18 ` Mark Brown 2017-07-24 7:47 ` [PATCH v5 06/14] spi: qup: Fix transaction done signaling Varadarajan Narayanan 2017-07-24 7:47 ` [PATCH v5 08/14] spi: qup: refactor spi_qup_io_config into two functions Varadarajan Narayanan 2017-08-08 11:18 ` Applied "spi: qup: refactor spi_qup_io_config into two functions" to the spi tree Mark Brown 2017-08-08 11:18 ` Mark Brown 2017-07-24 7:47 ` [PATCH v5 13/14] spi: qup: Ensure done detection Varadarajan Narayanan 2017-07-24 7:47 ` [PATCH v5 14/14] spi: qup: Fix QUP version identify method Varadarajan Narayanan [not found] ` <1500882445-29008-15-git-send-email-varada-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2017-07-25 2:52 ` kbuild test robot 2017-07-25 2:52 ` kbuild test robot 2017-07-25 2:52 ` kbuild test robot 2017-08-08 11:17 ` Applied "spi: qup: Fix QUP version identify method" to the spi tree Mark Brown 2017-08-08 11:17 ` Mark Brown 2017-08-08 11:17 ` Mark Brown
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