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tty: serial: meson: Use devm_ioremap_resource to get register mapped memory

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

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Yu Tu <yu.tu@amlogic.com>
Link: https://lore.kernel.org/r/20220225073922.3947-3-yu.tu@amlogic.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yu Tu 2022-02-25 15:39:18 +08:00 • committed by Greg Kroah-Hartman
parent 841f913e77
commit 6436dd8f9b
1 changed files with 1 additions and 9 deletions
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10
drivers/tty/serial/meson_uart.c
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@ -720,15 +720,7 @@ static int meson_uart_probe(struct platform_device *pdev)
if (!port) if (!port)
return -ENOMEM; return -ENOMEM;
if (!devm_request_mem_region(&pdev->dev, res_mem->start, port->membase = devm_ioremap_resource(&pdev->dev, res_mem);
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));
if (IS_ERR(port->membase)) if (IS_ERR(port->membase))
return PTR_ERR(port->membase); return PTR_ERR(port->membase);