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path: root/drivers/usb/host/ohci-sm501.c
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Diffstat (limited to 'drivers/usb/host/ohci-sm501.c')
-rw-r--r--drivers/usb/host/ohci-sm501.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index 041d30f30c10..78918ca0da23 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -103,8 +103,7 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev)
goto err0;
}
- if (!request_mem_region(mem->start, mem->end - mem->start + 1,
- pdev->name)) {
+ if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) {
dev_err(dev, "request_mem_region failed\n");
retval = -EBUSY;
goto err0;
@@ -126,7 +125,7 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev)
if (!dma_declare_coherent_memory(dev, mem->start,
mem->start - mem->parent->start,
- (mem->end - mem->start) + 1,
+ resource_size(mem),
DMA_MEMORY_MAP |
DMA_MEMORY_EXCLUSIVE)) {
dev_err(dev, "cannot declare coherent memory\n");
@@ -149,7 +148,7 @@ static int ohci_hcd_sm501_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);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, pdev->name)) {
dev_err(dev, "request_mem_region failed\n");
@@ -185,7 +184,7 @@ err3:
err2:
dma_release_declared_memory(dev);
err1:
- release_mem_region(mem->start, mem->end - mem->start + 1);
+ release_mem_region(mem->start, resource_size(mem));
err0:
return retval;
}
@@ -201,7 +200,7 @@ static int ohci_hcd_sm501_drv_remove(struct platform_device *pdev)
dma_release_declared_memory(&pdev->dev);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (mem)
- release_mem_region(mem->start, mem->end - mem->start + 1);
+ release_mem_region(mem->start, resource_size(mem));
/* mask interrupts and disable power */