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path: root/drivers/usb/host/ohci-spear.c
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Diffstat (limited to 'drivers/usb/host/ohci-spear.c')
-rw-r--r--drivers/usb/host/ohci-spear.c50
1 files changed, 15 insertions, 35 deletions
diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c
index fc7305ee3c9c..9020bf0e2eca 100644
--- a/drivers/usb/host/ohci-spear.c
+++ b/drivers/usb/host/ohci-spear.c
@@ -33,7 +33,7 @@ static void spear_stop_ohci(struct spear_ohci *ohci)
clk_disable_unprepare(ohci->clk);
}
-static int __devinit ohci_spear_start(struct usb_hcd *hcd)
+static int ohci_spear_start(struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
int ret;
@@ -101,13 +101,11 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev)
struct spear_ohci *ohci_p;
struct resource *res;
int retval, irq;
- char clk_name[20] = "usbh_clk";
- static int instance = -1;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
retval = irq;
- goto fail_irq_get;
+ goto fail;
}
/*
@@ -118,47 +116,39 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev)
if (!pdev->dev.dma_mask)
pdev->dev.dma_mask = &spear_ohci_dma_mask;
- /*
- * Increment the device instance, when probing via device-tree
- */
- if (pdev->id < 0)
- instance++;
- else
- instance = pdev->id;
- sprintf(clk_name, "usbh.%01d_clk", instance);
-
- usbh_clk = clk_get(NULL, clk_name);
+ usbh_clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(usbh_clk)) {
dev_err(&pdev->dev, "Error getting interface clock\n");
retval = PTR_ERR(usbh_clk);
- goto fail_get_usbh_clk;
+ goto fail;
}
hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
if (!hcd) {
retval = -ENOMEM;
- goto fail_create_hcd;
+ goto fail;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
retval = -ENODEV;
- goto fail_request_resource;
+ goto err_put_hcd;
}
hcd->rsrc_start = pdev->resource[0].start;
hcd->rsrc_len = resource_size(res);
- if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+ if (!devm_request_mem_region(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len,
+ hcd_name)) {
dev_dbg(&pdev->dev, "request_mem_region failed\n");
retval = -EBUSY;
- goto fail_request_resource;
+ goto err_put_hcd;
}
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+ hcd->regs = devm_ioremap(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len);
if (!hcd->regs) {
dev_dbg(&pdev->dev, "ioremap failed\n");
retval = -ENOMEM;
- goto fail_ioremap;
+ goto err_put_hcd;
}
ohci_p = (struct spear_ohci *)hcd_to_ohci(hcd);
@@ -171,15 +161,9 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev)
return retval;
spear_stop_ohci(ohci_p);
- iounmap(hcd->regs);
-fail_ioremap:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-fail_request_resource:
+err_put_hcd:
usb_put_hcd(hcd);
-fail_create_hcd:
- clk_put(usbh_clk);
-fail_get_usbh_clk:
-fail_irq_get:
+fail:
dev_err(&pdev->dev, "init fail, %d\n", retval);
return retval;
@@ -194,12 +178,8 @@ static int spear_ohci_hcd_drv_remove(struct platform_device *pdev)
if (ohci_p->clk)
spear_stop_ohci(ohci_p);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
- if (ohci_p->clk)
- clk_put(ohci_p->clk);
platform_set_drvdata(pdev, NULL);
return 0;
}
@@ -231,12 +211,12 @@ static int spear_ohci_hcd_drv_resume(struct platform_device *dev)
ohci->next_statechange = jiffies;
spear_start_ohci(ohci_p);
- ohci_finish_controller_resume(hcd);
+ ohci_resume(hcd, false);
return 0;
}
#endif
-static struct of_device_id spear_ohci_id_table[] __devinitdata = {
+static struct of_device_id spear_ohci_id_table[] = {
{ .compatible = "st,spear600-ohci", },
{ },
};