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MIPS: OCTEON: octeon-usb: Use devm_platform_get_and_ioremap_resource()

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Remove unneeded error handling on the result of a call
to platform_get_resource() when the value is passed to
devm_ioremap_resource().

And use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Yang Yingliang 2021-06-05 15:55:37 +08:00 committed by Thomas Bogendoerfer
parent ed914d48b6
commit f9cd46a4bb
1 changed files with 1 additions and 8 deletions
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9
arch/mips/cavium-octeon/octeon-usb.c
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@ -516,20 +516,13 @@ static int __init dwc3_octeon_device_init(void)
if (!pdev)
return -ENODEV;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
put_device(&pdev->dev);
dev_err(&pdev->dev, "No memory resources\n");
return -ENXIO;
}
/*
* The code below maps in the registers necessary for
* setting up the clocks and reseting PHYs. We must
* release the resources so the dwc3 subsystem doesn't
* know the difference.
*/
base = devm_ioremap_resource(&pdev->dev, res);
base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(base)) {
put_device(&pdev->dev);
return PTR_ERR(base);