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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2023-11-19 17:52:39 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-11-23 22:32:58 +0300
commite6cc39486ae74271673742fe86ee6fb8d1eba16c (patch)
treefd2a3ee4922c852d1a9b3cd9513e228a78602a34 /drivers/tty/serial
parent5b05206b05ba98bce4c8f15200b407569fae270e (diff)
downloadlinux-e6cc39486ae74271673742fe86ee6fb8d1eba16c.tar.xz
serial: amba-pl011: convert not to use dma_request_slave_channel()
dma_request_slave_channel() is deprecated. dma_request_chan() should be used directly instead. Switch to the preferred function and update the error handling accordingly. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/6f76e22f77d776d6c1f176d56e7ee341314d8554.1700405529.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/amba-pl011.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 374b4254e39b..bb475c1642fc 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -444,9 +444,9 @@ static void pl011_dma_probe(struct uart_amba_port *uap)
dma_chan_name(uap->dmatx.chan));
/* Optionally make use of an RX channel as well */
- chan = dma_request_slave_channel(dev, "rx");
+ chan = dma_request_chan(dev, "rx");
- if (!chan && plat && plat->dma_rx_param) {
+ if (IS_ERR(chan) && plat && plat->dma_rx_param) {
chan = dma_request_channel(mask, plat->dma_filter, plat->dma_rx_param);
if (!chan) {
@@ -455,7 +455,7 @@ static void pl011_dma_probe(struct uart_amba_port *uap)
}
}
- if (chan) {
+ if (!IS_ERR(chan)) {
struct dma_slave_config rx_conf = {
.src_addr = uap->port.mapbase +
pl011_reg_to_offset(uap, REG_DR),