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authorEric Miao <eric.miao@marvell.com>2008-10-03 16:37:21 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-07 20:12:58 +0200
commit84bab7393b0da5086e133b7f333b800d26f7166b (patch)
tree6cc2d4bdc9137c8ebbc5edda3b54695c24a92b28 /drivers/usb
parent[ARM] ohci-pxa27x: move OHCI controller specific registers into the driver (diff)
downloadlinux-84bab7393b0da5086e133b7f333b800d26f7166b.tar.xz
linux-84bab7393b0da5086e133b7f333b800d26f7166b.zip
[ARM] ohci-pxa27x: use platform_get_{irq,resource} for the resource
Depending on the order of how resource is defined in the platform device is not good, use platform_get_{irq,resource} for the IRQ and memory resources. Signed-off-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/ohci-pxa27x.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 551581734c21..8530c6e9b770 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -255,18 +255,20 @@ static void pxa27x_stop_hc(struct device *dev)
*/
int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device *pdev)
{
- int retval;
+ int retval, irq;
struct usb_hcd *hcd;
struct pxaohci_platform_data *inf;
+ struct resource *r;
inf = pdev->dev.platform_data;
if (!inf)
return -ENODEV;
- if (pdev->resource[1].flags != IORESOURCE_IRQ) {
- pr_debug ("resource[1] is not IORESOURCE_IRQ");
- return -ENOMEM;
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ pr_err("no resource of IORESOURCE_IRQ");
+ return -ENXIO;
}
usb_clk = clk_get(&pdev->dev, "USBCLK");
@@ -276,8 +278,16 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
hcd = usb_create_hcd (driver, &pdev->dev, "pxa27x");
if (!hcd)
return -ENOMEM;
- hcd->rsrc_start = pdev->resource[0].start;
- hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
+
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!r) {
+ pr_err("no resource of IORESOURCE_MEM");
+ retval = -ENXIO;
+ goto err1;
+ }
+
+ hcd->rsrc_start = r->start;
+ hcd->rsrc_len = resource_size(r);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
pr_debug("request_mem_region failed");
@@ -305,7 +315,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
ohci_hcd_init(hcd_to_ohci(hcd));
- retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_DISABLED);
+ retval = usb_add_hcd(hcd, irq, IRQF_DISABLED);
if (retval == 0)
return retval;