host: ehci-msm: remove duplicate check on resource

Sanity check on resource happening with devm_ioremap_resource().
Signed-off-by: NVarka Bhadram <varkab@cdac.in>
Acked-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-msm.c

@@ -88,19 +88,13 @@ static int ehci_msm_probe(struct platform_device *pdev)
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "Unable to get memory resource\n");
-		ret = -ENODEV;
-		goto put_hcd;
-	}
-
-	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = resource_size(res);
 	hcd->regs = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(hcd->regs)) {
 		ret = PTR_ERR(hcd->regs);
 		goto put_hcd;
 	}
+	hcd->rsrc_start = res->start;
+	hcd->rsrc_len = resource_size(res);
 
 	/*
 	 * OTG driver takes care of PHY initialization, clock management,