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

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,