From: H Hartley Sweeten <hartleys@xxxxxxxxxxxxxxxxxxx>
Use resource_size().
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/host/ehci-orion.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 1d283e1..0f87dc7 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -222,14 +222,14 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev)
goto err1;
}
- if (!request_mem_region(res->start, res->end - res->start + 1,
+ if (!request_mem_region(res->start, resource_size(res),
ehci_orion_hc_driver.description)) {
dev_dbg(&pdev->dev, "controller already in use\n");
err = -EBUSY;
goto err1;
}
- regs = ioremap(res->start, res->end - res->start + 1);
+ regs = ioremap(res->start, resource_size(res));
if (regs == NULL) {
dev_dbg(&pdev->dev, "error mapping memory\n");
err = -EFAULT;
@@ -244,7 +244,7 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev)
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
hcd->regs = regs;
ehci = hcd_to_ehci(hcd);
@@ -287,7 +287,7 @@ err4:
err3:
iounmap(regs);
err2:
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
err1:
dev_err(&pdev->dev, "init %s fail, %d\n",
dev_name(&pdev->dev), err);
--
1.7.0.1
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