Commit c37f45b5 authored by Leilk Liu's avatar Leilk Liu Committed by Mark Brown

spi: support spi without dma channel to use can_dma()

For spi without dma channel and use can_dma(), it can
use master->dev for struct device.
Signed-off-by: default avatarLeilk Liu <leilk.liu@mediatek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent bc0195aa
......@@ -539,8 +539,15 @@ static int __spi_map_msg(struct spi_master *master, struct spi_message *msg)
if (!master->can_dma)
return 0;
if (master->dma_tx)
tx_dev = master->dma_tx->device->dev;
else
tx_dev = &master->dev;
if (master->dma_rx)
rx_dev = master->dma_rx->device->dev;
else
rx_dev = &master->dev;
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
if (!master->can_dma(master, msg->spi, xfer))
......@@ -579,8 +586,15 @@ static int __spi_unmap_msg(struct spi_master *master, struct spi_message *msg)
if (!master->cur_msg_mapped || !master->can_dma)
return 0;
if (master->dma_tx)
tx_dev = master->dma_tx->device->dev;
else
tx_dev = &master->dev;
if (master->dma_rx)
rx_dev = master->dma_rx->device->dev;
else
rx_dev = &master->dev;
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
if (!master->can_dma(master, msg->spi, xfer))
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment