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Commit b41583e7 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
Browse files

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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
parent 53288fe9

drivers/spi/spi-dw-mid.c

+2 −2
Original line number Diff line number Diff line
@@ -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,