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提交 8e42ac81 编写于 作者: M Mark Brown
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Merge remote-tracking branch 'spi/topic/dma' into spi-next

上级 bc645099 c37f45b5
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Showing with 18 addition and 4 deletion
drivers/spi/spi.c
浏览文件 @ 8e42ac81
......@@ -539,8 +539,15 @@ static int __spi_map_msg(struct spi_master *master, struct spi_message *msg)
if (!master->can_dma)
return 0;
tx_dev = master->dma_tx->device->dev;
rx_dev = master->dma_rx->device->dev;
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;
tx_dev = master->dma_tx->device->dev;
rx_dev = master->dma_rx->device->dev;
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))
......
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