serial: tegra: Use of_device_get_match_data

Retrieve OF match data, it's better and cleaner to use
'of_device_get_match_data' over 'of_match_device'.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20210822032806.3256-3-tangbin@cmss.chinamobile.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 eba5b9e..45e2e41 100644 (file)
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -1568,14 +1568,12 @@ static int tegra_uart_probe(struct platform_device *pdev)
        struct resource *resource;
        int ret;
        const struct tegra_uart_chip_data *cdata;
-       const struct of_device_id *match;
 
-       match = of_match_device(tegra_uart_of_match, &pdev->dev);
-       if (!match) {
+       cdata = of_device_get_match_data(&pdev->dev);
+       if (!cdata) {
                dev_err(&pdev->dev, "Error: No device match found\n");
                return -ENODEV;
        }
-       cdata = match->data;
 
        tup = devm_kzalloc(&pdev->dev, sizeof(*tup), GFP_KERNEL);
        if (!tup) {