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-at91.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index e49eb4f..90666ea 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -137,12 +137,6 @@ static int usb_hcd_at91_probe(const struct hc_driver
*driver,
struct resource *res;
int irq;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_dbg(dev, "hcd probe: missing memory resource\n");
- return -ENXIO;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_dbg(dev, "hcd probe: missing irq resource\n");
@@ -152,14 +146,15 @@ static int usb_hcd_at91_probe(const struct hc_driver
*driver,
hcd = usb_create_hcd(driver, dev, "at91");
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(dev, res);
if (IS_ERR(hcd->regs)) {
retval = PTR_ERR(hcd->regs);
goto err;
}
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
iclk = devm_clk_get(dev, "ohci_clk");
if (IS_ERR(iclk)) {
--
1.7.9.5
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