tty: serial: amba-pl011: Use dma_request_chan() directly for channel request

dma_request_slave_channel_reason() is:
#define dma_request_slave_channel_reason(dev, name) \
	dma_request_chan(dev, name)

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20191113094618.1725-2-peter.ujfalusi@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index ae63266e181f6a1ed62fa7724ba0d4b204ec3d72..38e2d25f7e231ebe23b27e1d2d6b6108c1f2015f 100644 (file)
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -414,7 +414,7 @@ static void pl011_dma_probe(struct uart_amba_port *uap)
        dma_cap_mask_t mask;
 
        uap->dma_probed = true;
-       chan = dma_request_slave_channel_reason(dev, "tx");
+       chan = dma_request_chan(dev, "tx");
        if (IS_ERR(chan)) {
                if (PTR_ERR(chan) == -EPROBE_DEFER) {
                        uap->dma_probed = false;