From: Yu Tu Date: Fri, 25 Feb 2022 07:39:18 +0000 (+0800) Subject: tty: serial: meson: Use devm_ioremap_resource to get register mapped memory X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6436dd8f9b25ea756b27ca0ec10d017ea51b42e2;p=linux.git tty: serial: meson: Use devm_ioremap_resource to get register mapped memory Replace devm_request_mem_region and devm_ioremap with devm_ioremap_resource to make the code cleaner. Reviewed-by: Jiri Slaby Signed-off-by: Yu Tu Link: https://lore.kernel.org/r/20220225073922.3947-3-yu.tu@amlogic.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c index 6b80e41b4cc11..7570958d010c3 100644 --- a/drivers/tty/serial/meson_uart.c +++ b/drivers/tty/serial/meson_uart.c @@ -720,15 +720,7 @@ static int meson_uart_probe(struct platform_device *pdev) if (!port) return -ENOMEM; - if (!devm_request_mem_region(&pdev->dev, res_mem->start, - resource_size(res_mem), - dev_name(&pdev->dev))) { - dev_err(&pdev->dev, "Memory region busy\n"); - return -EBUSY; - } - - port->membase = devm_ioremap(&pdev->dev, res_mem->start, - resource_size(res_mem)); + port->membase = devm_ioremap_resource(&pdev->dev, res_mem); if (IS_ERR(port->membase)) return PTR_ERR(port->membase);