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authorMark Brown <broonie@linaro.org>2014-02-07 12:39:22 +0000
committerMark Brown <broonie@linaro.org>2014-02-07 13:27:58 +0000
commit1b5e1b694919ee13b9ae6e5c6727363103e6f7f2 (patch)
treecd0c99ba4b6d479b810e809d71c21221f6fc0449 /drivers
parent90e73973d3e48b3f6b37ea944fdef8e1543d36fc (diff)
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')
-rw-r--r--drivers/spi/spi-s3c64xx.c39
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;