tty: serial: tegra: 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/20191113094618.1725-4-peter.ujfalusi@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index 2f599515c13349fec9afb81ca20049e9181643c9..b6ace6290e2337674fc0121abb10ecc8b67b45aa 100644 (file)
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -1122,8 +1122,7 @@ static int tegra_uart_dma_channel_allocate(struct tegra_uart_port *tup,
        int ret;
        struct dma_slave_config dma_sconfig;
 
-       dma_chan = dma_request_slave_channel_reason(tup->uport.dev,
-                                               dma_to_memory ? "rx" : "tx");
+       dma_chan = dma_request_chan(tup->uport.dev, dma_to_memory ? "rx" : "tx");
        if (IS_ERR(dma_chan)) {
                ret = PTR_ERR(dma_chan);
                dev_err(tup->uport.dev,