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authorTobias Klauser <tklauser@distanz.ch>2009-09-18 03:14:46 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2009-10-09 16:52:07 -0400
commitd86a83f4acbded4095a632e861183d117ec7405a (patch)
tree2c0bb415c03edcb9452e04b094c3b6f820a50a74 /drivers
parent2f13612a86dd785d581e29aed4db2fb98ba507ca (diff)
USB: gadget: imx_udc: Use resource size
Use the resource_size function instead of manually calculating the resource size. This reduces the chance of introducing off-by-one errors. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/gadget/imx_udc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index c52a681f376c..01ee0b9bc957 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -1402,7 +1402,8 @@ static int __init imx_udc_probe(struct platform_device *pdev)
1402 struct clk *clk; 1402 struct clk *clk;
1403 void __iomem *base; 1403 void __iomem *base;
1404 int ret = 0; 1404 int ret = 0;
1405 int i, res_size; 1405 int i;
1406 resource_size_t res_size;
1406 1407
1407 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 1408 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1408 if (!res) { 1409 if (!res) {
@@ -1416,7 +1417,7 @@ static int __init imx_udc_probe(struct platform_device *pdev)
1416 return -ENODEV; 1417 return -ENODEV;
1417 } 1418 }
1418 1419
1419 res_size = res->end - res->start + 1; 1420 res_size = resource_size(res);
1420 if (!request_mem_region(res->start, res_size, res->name)) { 1421 if (!request_mem_region(res->start, res_size, res->name)) {
1421 dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n", 1422 dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
1422 res_size, res->start); 1423 res_size, res->start);
@@ -1527,8 +1528,7 @@ static int __exit imx_udc_remove(struct platform_device *pdev)
1527 clk_disable(imx_usb->clk); 1528 clk_disable(imx_usb->clk);
1528 iounmap(imx_usb->base); 1529 iounmap(imx_usb->base);
1529 1530
1530 release_mem_region(imx_usb->res->start, 1531 release_mem_region(imx_usb->res->start, resource_size(imx_usb->res));
1531 imx_usb->res->end - imx_usb->res->start + 1);
1532 1532
1533 if (pdata->exit) 1533 if (pdata->exit)
1534 pdata->exit(&pdev->dev); 1534 pdata->exit(&pdev->dev);