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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2014-09-18 20:08:51 +0300
committerMark Brown <broonie@kernel.org>2014-09-24 09:48:43 +0100
commitb41583e7299046abdc578c33f25ed83ee95b9b31 (patch)
tree2f4face49ab56651f59845972c8d07cc2059d315 /drivers/spi/spi-dw-mid.c
parent53288fe9bdc7e8a0265bbe9074f71f1a6c478008 (diff)
downloadlinux-b41583e7299046abdc578c33f25ed83ee95b9b31.tar.bz2
spi: dw-mid: respect 8 bit mode
In case of 8 bit mode and DMA usage we end up with every second byte written as 0. We have to respect bits_per_word settings what this patch actually does. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/spi/spi-dw-mid.c')
-rw-r--r--drivers/spi/spi-dw-mid.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index c4b9f6497d5b..f7f0ad285ae6 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -136,7 +136,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
txconf.dst_addr = dws->dma_addr;
txconf.dst_maxburst = LNW_DMA_MSIZE_16;
txconf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- txconf.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+ txconf.dst_addr_width = dws->dma_width;
txconf.device_fc = false;
txchan->device->device_control(txchan, DMA_SLAVE_CONFIG,
@@ -159,7 +159,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
rxconf.src_addr = dws->dma_addr;
rxconf.src_maxburst = LNW_DMA_MSIZE_16;
rxconf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- rxconf.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+ rxconf.src_addr_width = dws->dma_width;
rxconf.device_fc = false;
rxchan->device->device_control(rxchan, DMA_SLAVE_CONFIG,