[PATCH] USB: ohci-at91: use resource_size() for memory/io resource length

From: Nicolas Ferre
Date: Wed May 09 2012 - 04:49:46 EST


Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
---
drivers/usb/host/ohci-at91.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 13ebeca..da9ddd1 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -129,7 +129,7 @@ static int __devinit usb_hcd_at91_probe(const struct hc_driver *driver,
if (!hcd)
return -ENOMEM;
hcd->rsrc_start = pdev->resource[0].start;
- hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
+ hcd->rsrc_len = resource_size(&pdev->resource[0]);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
pr_debug("request_mem_region failed\n");
--
1.7.10

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