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spi: core: Pass correct device to dma_map_sg() 

According to Documentation/dmaengine.txt, scatterlists must be mapped
using the DMA struct device.

However, "dma_chan.dev->device" is the sysfs class device's device.
Use "dma_chan.device->dev" instead, which is the real DMA device's device.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
hifive-unleashed-5.1
Geert Uytterhoeven 2014-07-10 15:29:33 +02:00 committed by Mark Brown
parent 89e4b66a2e
commit 3fc25421f5
1 changed files with 4 additions and 4 deletions
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8
drivers/spi/spi.c
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@ -649,8 +649,8 @@ static int __spi_map_msg(struct spi_master *master, struct spi_message *msg)
if (!master->can_dma)
return 0;
tx_dev = &master->dma_tx->dev->device;
rx_dev = &master->dma_rx->dev->device;
tx_dev = master->dma_tx->device->dev;
rx_dev = master->dma_rx->device->dev;
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
if (!master->can_dma(master, msg->spi, xfer))
@ -689,8 +689,8 @@ static int spi_unmap_msg(struct spi_master *master, struct spi_message *msg)
if (!master->cur_msg_mapped || !master->can_dma)
return 0;
tx_dev = &master->dma_tx->dev->device;
rx_dev = &master->dma_rx->dev->device;
tx_dev = master->dma_tx->device->dev;
rx_dev = master->dma_rx->device->dev;
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
if (!master->can_dma(master, msg->spi, xfer))