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path: root/drivers/usb/host/ohci-jz4740.c
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Diffstat (limited to 'drivers/usb/host/ohci-jz4740.c')
-rw-r--r--drivers/usb/host/ohci-jz4740.c40
1 files changed, 10 insertions, 30 deletions
diff --git a/drivers/usb/host/ohci-jz4740.c b/drivers/usb/host/ohci-jz4740.c
index d4ef53990d73..af8dc1b92d75 100644
--- a/drivers/usb/host/ohci-jz4740.c
+++ b/drivers/usb/host/ohci-jz4740.c
@@ -174,31 +174,23 @@ static int jz4740_ohci_probe(struct platform_device *pdev)
jz4740_ohci = hcd_to_jz4740_hcd(hcd);
- res = request_mem_region(res->start, resource_size(res), hcd_name);
- if (!res) {
- dev_err(&pdev->dev, "Failed to request mem region.\n");
- ret = -EBUSY;
- goto err_free;
- }
-
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);
- hcd->regs = ioremap(res->start, resource_size(res));
- if (!hcd->regs) {
- dev_err(&pdev->dev, "Failed to ioremap registers.\n");
- ret = -EBUSY;
- goto err_release_mem;
+ hcd->regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(hcd->regs)) {
+ ret = PTR_ERR(hcd->regs);
+ goto err_free;
}
- jz4740_ohci->clk = clk_get(&pdev->dev, "uhc");
+ jz4740_ohci->clk = devm_clk_get(&pdev->dev, "uhc");
if (IS_ERR(jz4740_ohci->clk)) {
ret = PTR_ERR(jz4740_ohci->clk);
dev_err(&pdev->dev, "Failed to get clock: %d\n", ret);
- goto err_iounmap;
+ goto err_free;
}
- jz4740_ohci->vbus = regulator_get(&pdev->dev, "vbus");
+ jz4740_ohci->vbus = devm_regulator_get(&pdev->dev, "vbus");
if (IS_ERR(jz4740_ohci->vbus))
jz4740_ohci->vbus = NULL;
@@ -217,21 +209,15 @@ static int jz4740_ohci_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to add hcd: %d\n", ret);
goto err_disable;
}
+ device_wakeup_enable(hcd->self.controller);
return 0;
err_disable:
- if (jz4740_ohci->vbus) {
+ if (jz4740_ohci->vbus)
regulator_disable(jz4740_ohci->vbus);
- regulator_put(jz4740_ohci->vbus);
- }
clk_disable(jz4740_ohci->clk);
- clk_put(jz4740_ohci->clk);
-err_iounmap:
- iounmap(hcd->regs);
-err_release_mem:
- release_mem_region(res->start, resource_size(res));
err_free:
usb_put_hcd(hcd);
@@ -245,16 +231,10 @@ static int jz4740_ohci_remove(struct platform_device *pdev)
usb_remove_hcd(hcd);
- if (jz4740_ohci->vbus) {
+ if (jz4740_ohci->vbus)
regulator_disable(jz4740_ohci->vbus);
- regulator_put(jz4740_ohci->vbus);
- }
clk_disable(jz4740_ohci->clk);
- clk_put(jz4740_ohci->clk);
-
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);