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path: root/drivers/tty/serial/8250/8250_dma.c
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Diffstat (limited to 'drivers/tty/serial/8250/8250_dma.c')
-rw-r--r--drivers/tty/serial/8250/8250_dma.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index 66430614510a..fdb6139e8c17 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -156,14 +156,18 @@ int serial8250_request_dma(struct uart_8250_port *p)
156 dma_cap_set(DMA_SLAVE, mask); 156 dma_cap_set(DMA_SLAVE, mask);
157 157
158 /* Get a channel for RX */ 158 /* Get a channel for RX */
159 dma->rxchan = dma_request_channel(mask, dma->fn, dma->rx_param); 159 dma->rxchan = dma_request_slave_channel_compat(mask,
160 dma->fn, dma->rx_param,
161 p->port.dev, "rx");
160 if (!dma->rxchan) 162 if (!dma->rxchan)
161 return -ENODEV; 163 return -ENODEV;
162 164
163 dmaengine_slave_config(dma->rxchan, &dma->rxconf); 165 dmaengine_slave_config(dma->rxchan, &dma->rxconf);
164 166
165 /* Get a channel for TX */ 167 /* Get a channel for TX */
166 dma->txchan = dma_request_channel(mask, dma->fn, dma->tx_param); 168 dma->txchan = dma_request_slave_channel_compat(mask,
169 dma->fn, dma->tx_param,
170 p->port.dev, "tx");
167 if (!dma->txchan) { 171 if (!dma->txchan) {
168 dma_release_channel(dma->rxchan); 172 dma_release_channel(dma->rxchan);
169 return -ENODEV; 173 return -ENODEV;