[PATCH V7 2/6] tty: serial: meson: Use devm_ioremap_resource to get register mapped memory

[Yu Tu]

Replace devm_request_mem_region and devm_ioremap with
devm_ioremap_resource to make the code cleaner.

Signed-off-by: Yu Tu <yu.tu at amlogic.com>
Reviewed-by: Jiri Slaby <jirislaby at kernel.org>
---
 drivers/tty/serial/meson_uart.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index 6b80e41b4cc1..7570958d010c 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);
 
-- 
2.33.1