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author | Mark Brown <broonie@linaro.org> | 2014-02-07 12:39:22 +0000 |
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committer | Mark Brown <broonie@linaro.org> | 2014-02-07 13:27:58 +0000 |
commit | 1b5e1b694919ee13b9ae6e5c6727363103e6f7f2 (patch) | |
tree | cd0c99ba4b6d479b810e809d71c21221f6fc0449 /drivers/spi/spi-s3c64xx.c | |
parent | 90e73973d3e48b3f6b37ea944fdef8e1543d36fc (diff) | |
download | linux-stable-1b5e1b694919ee13b9ae6e5c6727363103e6f7f2.tar.gz linux-stable-1b5e1b694919ee13b9ae6e5c6727363103e6f7f2.tar.bz2 linux-stable-1b5e1b694919ee13b9ae6e5c6727363103e6f7f2.zip |
spi/s3c64xx: Remove code no longer needed as a result of S3C_DMA removal
Remove functions that only had an effect when using S3C_DMA and inline
dmaengine_terminate_all() since it's pointless to have a function which
expands to a single function call.
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-s3c64xx.c')
-rw-r--r-- | drivers/spi/spi-s3c64xx.c | 39 |
1 files changed, 2 insertions, 37 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 18ec7e65a319..9ad5e3e76b96 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -277,17 +277,6 @@ static void s3c64xx_spi_dmacb(void *data) spin_unlock_irqrestore(&sdd->lock, flags); } -static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd, - struct spi_message *msg) -{ - return 0; -} - -static void s3c64xx_spi_unmap_mssg(struct s3c64xx_spi_driver_data *sdd, - struct spi_message *msg) -{ -} - static void prepare_dma(struct s3c64xx_spi_dma_data *dma, struct sg_table *sgt) { @@ -387,12 +376,6 @@ static int s3c64xx_spi_unprepare_transfer(struct spi_master *spi) return 0; } -static void s3c64xx_spi_dma_stop(struct s3c64xx_spi_driver_data *sdd, - struct s3c64xx_spi_dma_data *dma) -{ - dmaengine_terminate_all(dma->ch); -} - static bool s3c64xx_spi_can_dma(struct spi_master *master, struct spi_device *spi, struct spi_transfer *xfer) @@ -691,13 +674,6 @@ static int s3c64xx_spi_prepare_message(struct spi_master *master, s3c64xx_spi_config(sdd); } - /* Map all the transfers if needed */ - if (s3c64xx_spi_map_mssg(sdd, msg)) { - dev_err(&spi->dev, - "Xfer: Unable to map message buffers!\n"); - return -ENOMEM; - } - /* Configure feedback delay */ writel(cs->fb_delay & 0x3, sdd->regs + S3C64XX_SPI_FB_CLK); @@ -769,10 +745,10 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master, if (use_dma) { if (xfer->tx_buf != NULL && (sdd->state & TXBUSY)) - s3c64xx_spi_dma_stop(sdd, &sdd->tx_dma); + dmaengine_terminate_all(sdd->tx_dma.ch); if (xfer->rx_buf != NULL && (sdd->state & RXBUSY)) - s3c64xx_spi_dma_stop(sdd, &sdd->rx_dma); + dmaengine_terminate_all(sdd->rx_dma.ch); } } else { flush_fifo(sdd); @@ -781,16 +757,6 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master, return status; } -static int s3c64xx_spi_unprepare_message(struct spi_master *master, - struct spi_message *msg) -{ - struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master); - - s3c64xx_spi_unmap_mssg(sdd, msg); - - return 0; -} - static struct s3c64xx_spi_csinfo *s3c64xx_get_slave_ctrldata( struct spi_device *spi) { @@ -1164,7 +1130,6 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) master->prepare_transfer_hardware = s3c64xx_spi_prepare_transfer; master->prepare_message = s3c64xx_spi_prepare_message; master->transfer_one = s3c64xx_spi_transfer_one; - master->unprepare_message = s3c64xx_spi_unprepare_message; master->unprepare_transfer_hardware = s3c64xx_spi_unprepare_transfer; master->num_chipselect = sci->num_cs; master->dma_alignment = 8; |