Re: [PATCH 1/2] spi: omap2: disable DMA requests before complete()
On Wed, 12 Dec 2012 10:45:59 +0200, Felipe Balbi wrote: > No actual errors have been found for completing > before disabling DMA request lines, but it just > looks more semantically correct that on our DMA > callback we quiesce the whole thing before stating > transfer is finished. > > Signed-off-by: Felipe Balbi Applied, thanks. g. > --- > drivers/spi/spi-omap2-mcspi.c | 8 > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c > index b610f52..68446db 100644 > --- a/drivers/spi/spi-omap2-mcspi.c > +++ b/drivers/spi/spi-omap2-mcspi.c > @@ -298,10 +298,10 @@ static void omap2_mcspi_rx_callback(void *data) > struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master); > struct omap2_mcspi_dma *mcspi_dma = > >dma_channels[spi->chip_select]; > > - complete(_dma->dma_rx_completion); > - > /* We must disable the DMA RX request */ > omap2_mcspi_set_dma_req(spi, 1, 0); > + > + complete(_dma->dma_rx_completion); > } > > static void omap2_mcspi_tx_callback(void *data) > @@ -310,10 +310,10 @@ static void omap2_mcspi_tx_callback(void *data) > struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master); > struct omap2_mcspi_dma *mcspi_dma = > >dma_channels[spi->chip_select]; > > - complete(_dma->dma_tx_completion); > - > /* We must disable the DMA TX request */ > omap2_mcspi_set_dma_req(spi, 0, 0); > + > + complete(_dma->dma_tx_completion); > } > > static void omap2_mcspi_tx_dma(struct spi_device *spi, > -- > 1.8.1.rc1.5.g7e0651a > -- Grant Likely, B.Sc, P.Eng. Secret Lab Technologies, Ltd. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/2] spi: omap2: disable DMA requests before complete()
On Wed, 12 Dec 2012 10:45:59 +0200, Felipe Balbi ba...@ti.com wrote: No actual errors have been found for completing before disabling DMA request lines, but it just looks more semantically correct that on our DMA callback we quiesce the whole thing before stating transfer is finished. Signed-off-by: Felipe Balbi ba...@ti.com Applied, thanks. g. --- drivers/spi/spi-omap2-mcspi.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index b610f52..68446db 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -298,10 +298,10 @@ static void omap2_mcspi_rx_callback(void *data) struct omap2_mcspi *mcspi = spi_master_get_devdata(spi-master); struct omap2_mcspi_dma *mcspi_dma = mcspi-dma_channels[spi-chip_select]; - complete(mcspi_dma-dma_rx_completion); - /* We must disable the DMA RX request */ omap2_mcspi_set_dma_req(spi, 1, 0); + + complete(mcspi_dma-dma_rx_completion); } static void omap2_mcspi_tx_callback(void *data) @@ -310,10 +310,10 @@ static void omap2_mcspi_tx_callback(void *data) struct omap2_mcspi *mcspi = spi_master_get_devdata(spi-master); struct omap2_mcspi_dma *mcspi_dma = mcspi-dma_channels[spi-chip_select]; - complete(mcspi_dma-dma_tx_completion); - /* We must disable the DMA TX request */ omap2_mcspi_set_dma_req(spi, 0, 0); + + complete(mcspi_dma-dma_tx_completion); } static void omap2_mcspi_tx_dma(struct spi_device *spi, -- 1.8.1.rc1.5.g7e0651a -- Grant Likely, B.Sc, P.Eng. Secret Lab Technologies, Ltd. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 1/2] spi: omap2: disable DMA requests before complete()
No actual errors have been found for completing before disabling DMA request lines, but it just looks more semantically correct that on our DMA callback we quiesce the whole thing before stating transfer is finished. Signed-off-by: Felipe Balbi --- drivers/spi/spi-omap2-mcspi.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index b610f52..68446db 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -298,10 +298,10 @@ static void omap2_mcspi_rx_callback(void *data) struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master); struct omap2_mcspi_dma *mcspi_dma = >dma_channels[spi->chip_select]; - complete(_dma->dma_rx_completion); - /* We must disable the DMA RX request */ omap2_mcspi_set_dma_req(spi, 1, 0); + + complete(_dma->dma_rx_completion); } static void omap2_mcspi_tx_callback(void *data) @@ -310,10 +310,10 @@ static void omap2_mcspi_tx_callback(void *data) struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master); struct omap2_mcspi_dma *mcspi_dma = >dma_channels[spi->chip_select]; - complete(_dma->dma_tx_completion); - /* We must disable the DMA TX request */ omap2_mcspi_set_dma_req(spi, 0, 0); + + complete(_dma->dma_tx_completion); } static void omap2_mcspi_tx_dma(struct spi_device *spi, -- 1.8.1.rc1.5.g7e0651a -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 1/2] spi: omap2: disable DMA requests before complete()
No actual errors have been found for completing before disabling DMA request lines, but it just looks more semantically correct that on our DMA callback we quiesce the whole thing before stating transfer is finished. Signed-off-by: Felipe Balbi ba...@ti.com --- drivers/spi/spi-omap2-mcspi.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index b610f52..68446db 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -298,10 +298,10 @@ static void omap2_mcspi_rx_callback(void *data) struct omap2_mcspi *mcspi = spi_master_get_devdata(spi-master); struct omap2_mcspi_dma *mcspi_dma = mcspi-dma_channels[spi-chip_select]; - complete(mcspi_dma-dma_rx_completion); - /* We must disable the DMA RX request */ omap2_mcspi_set_dma_req(spi, 1, 0); + + complete(mcspi_dma-dma_rx_completion); } static void omap2_mcspi_tx_callback(void *data) @@ -310,10 +310,10 @@ static void omap2_mcspi_tx_callback(void *data) struct omap2_mcspi *mcspi = spi_master_get_devdata(spi-master); struct omap2_mcspi_dma *mcspi_dma = mcspi-dma_channels[spi-chip_select]; - complete(mcspi_dma-dma_tx_completion); - /* We must disable the DMA TX request */ omap2_mcspi_set_dma_req(spi, 0, 0); + + complete(mcspi_dma-dma_tx_completion); } static void omap2_mcspi_tx_dma(struct spi_device *spi, -- 1.8.1.rc1.5.g7e0651a -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
