serial: stm32: use devm_platform_get_and_ioremap_resource()

Use devm_platform_get_and_ioremap_resource() to simplify code.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20210814131418.13608-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 99f9038..8f032e7 100644 (file)
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -1064,8 +1064,7 @@ static int stm32_usart_init_port(struct stm32_port *stm32port,
                                      &stm32port->txftcfg);
        }
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       port->membase = devm_ioremap_resource(&pdev->dev, res);
+       port->membase = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
        if (IS_ERR(port->membase))
                return PTR_ERR(port->membase);
        port->mapbase = res->start;