host: ehci-w90x900: remove duplicate check on resource (0af6b070) · Commits · 戴 / test

Sanity check on resource happening with devm_ioremap_resource(). Signed-off-by:

drivers/usb/host/ehci-w90x900.c

+3 −10

Original line number	Diff line number	Diff line
		@@ -42,27 +42,20 @@ static int usb_w90x900_probe(const struct hc_driver *driver,
		int retval = 0, irq;
		unsigned long val;


		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
		if (!res) {
		retval = -ENXIO;
		goto err1;
		}

		hcd = usb_create_hcd(driver, &pdev->dev, "w90x900 EHCI");
		if (!hcd) {
		retval = -ENOMEM;
		goto err1;
		}

		hcd->rsrc_start = res->start;
		hcd->rsrc_len = resource_size(res);

		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
		hcd->regs = devm_ioremap_resource(&pdev->dev, res);
		if (IS_ERR(hcd->regs)) {
		retval = PTR_ERR(hcd->regs);
		goto err2;
		}
		hcd->rsrc_start = res->start;
		hcd->rsrc_len = resource_size(res);

		ehci = hcd_to_ehci(hcd);
		ehci->caps = hcd->regs;