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>

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index da056fe9d15b..35a9aeda0168 100644
--- 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;