From: Varka Bhadram <varkabhad...@gmail.com>
Sanity check on resource happening with devm_ioremap_resource().
Signed-off-by: Varka Bhadram <var...@cdac.in>
Acked-by: Alan Stern <st...@rowland.harvard.edu>
---
drivers/usb/host/ohci-platform.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index 4369299..6c7f74b 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -149,12 +149,6 @@ static int ohci_platform_probe(struct platform_device *dev)
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(&ohci_platform_hc_driver, &dev->dev,
dev_name(&dev->dev));
if (!hcd)
@@ -236,14 +230,15 @@ static int ohci_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;
--
1.7.9.5
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