From: Varka Bhadram <varkabhadram@xxxxxxxxx>
Sanity check on resource happening with devm_ioremap_resource().
Signed-off-by: Varka Bhadram <varkab@xxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/ehci-atmel.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index ec9f7b7..56a8850 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -107,22 +107,15 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev)
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev,
- "Found HC with no register addr. Check %s setup!\n",
- dev_name(&pdev->dev));
- retval = -ENODEV;
- goto fail_request_resource;
- }
- hcd->rsrc_start = res->start;
- hcd->rsrc_len = resource_size(res);
-
hcd->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(hcd->regs)) {
retval = PTR_ERR(hcd->regs);
goto fail_request_resource;
}
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
+
iclk = devm_clk_get(&pdev->dev, "ehci_clk");
if (IS_ERR(iclk)) {
dev_err(&pdev->dev, "Error getting interface clock\n");
--
1.7.9.5
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