host: xhci-plat: 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>
Acked-by: Felipe Balbi <balbi@ti.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 3d78b0cd674b..e68b4ec1757b 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -83,9 +83,6 @@ static int xhci_plat_probe(struct platform_device *pdev)
         if (irq < 0)
                 return -ENODEV;
 
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res)
-                return -ENODEV;
 
         if (of_device_is_compatible(pdev->dev.of_node,
                                     "marvell,armada-375-xhci") ||
@@ -109,15 +106,16 @@ static int xhci_plat_probe(struct platform_device *pdev)
         if (!hcd)
                 return -ENOMEM;
 
-        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)) {
                 ret = PTR_ERR(hcd->regs);
                 goto put_hcd;
         }
 
+        hcd->rsrc_start = res->start;
+        hcd->rsrc_len = resource_size(res);
+
         /*
          * Not all platforms have a clk so it is not an error if the
          * clock does not exists.