[PATCH V7 2/6] tty: serial: meson: Use devm_ioremap_resource to get register mapped memory
Yu Tu
yu.tu at amlogic.com
Thu Feb 24 23:39:18 PST 2022
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
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