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/gadget/at91_udc.c | 10 ++++------
1 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 043e04d..12ac9cd 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1656,9 +1656,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
if (!res)
return -ENXIO;
- if (!request_mem_region(res->start,
- res->end - res->start + 1,
- driver_name)) {
+ if (!request_mem_region(res->start, resource_size(res), driver_name)) {
DBG("someone's using UDC memory\n");
return -EBUSY;
}
@@ -1699,7 +1697,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
udc->ep[3].maxpacket = 64;
}
- udc->udp_baseaddr = ioremap(res->start, res->end - res->start + 1);
+ udc->udp_baseaddr = ioremap(res->start, resource_size(res));
if (!udc->udp_baseaddr) {
retval = -ENOMEM;
goto fail0a;
@@ -1781,7 +1779,7 @@ fail0a:
if (cpu_is_at91rm9200())
gpio_free(udc->board.pullup_pin);
fail0:
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
DBG("%s probe failed, %d\n", driver_name, retval);
return retval;
}
@@ -1813,7 +1811,7 @@ static int __exit at91udc_remove(struct platform_device *pdev)
gpio_free(udc->board.pullup_pin);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
clk_put(udc->iclk);
clk_put(udc->fclk);
--
1.7.0.1
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