host: ehci-platform: remove duplicate check on resource

Sanity check on resource happening with devm_ioremap_resource().

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index da056fe..35a9aed 100644 (file)
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -164,11 +164,6 @@ static int ehci_platform_probe(struct platform_device *dev)
                dev_err(&dev->dev, "no irq provided");
                return irq;
        }
-       res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
-       if (!res_mem) {
-               dev_err(&dev->dev, "no memory resource provided");
-               return -ENXIO;
-       }
 
        hcd = usb_create_hcd(&ehci_platform_hc_driver, &dev->dev,
                             dev_name(&dev->dev));
@@ -250,14 +245,15 @@ static int ehci_platform_probe(struct platform_device *dev)
                        goto err_reset;
        }
 
-       hcd->rsrc_start = res_mem->start;
-       hcd->rsrc_len = resource_size(res_mem);
-
+       res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
        hcd->regs = devm_ioremap_resource(&dev->dev, res_mem);
        if (IS_ERR(hcd->regs)) {
                err = PTR_ERR(hcd->regs);
                goto err_power;
        }
+       hcd->rsrc_start = res_mem->start;
+       hcd->rsrc_len = resource_size(res_mem);
+
        err = usb_add_hcd(hcd, irq, IRQF_SHARED);
        if (err)
                goto err_power;