Commit f1c7f92e authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Greg Kroah-Hartman
Browse files

serial: sh-sci: 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: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/d6773b9bd88dbbbea06bc6d5cd59aa117b1ee2ee.1700416841.git.christophe.jaillet@wanadoo.fr


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b49c36e4

drivers/tty/serial/sh-sci.c

+3 −4
Original line number Diff line number Diff line
@@ -1558,10 +1558,9 @@ static struct dma_chan *sci_request_dma_chan(struct uart_port *port, 
	struct dma_slave_config cfg;

	int ret;



	chan = dma_request_slave_channel(port->dev,

					 dir == DMA_MEM_TO_DEV ? "tx" : "rx");

	if (!chan) {

		dev_dbg(port->dev, "dma_request_slave_channel failed\n");

	chan = dma_request_chan(port->dev, dir == DMA_MEM_TO_DEV ? "tx" : "rx");

	if (IS_ERR(chan)) {

		dev_dbg(port->dev, "dma_request_chan failed\n");

		return NULL;

	}