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usb: otg: twl: use devres API to allocate resources

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used devres API while allocating memory resource in twl4030 and twl6030
so that these resources are released automatically on driver detach.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Kishon Vijay Abraham I 2012-06-22 17:40:55 +05:30 committed by Felipe Balbi
parent b1183c242a
commit b8a3efa3a3
2 changed files with 6 additions and 25 deletions
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15
drivers/usb/otg/twl4030-usb.c
View file

@ -591,15 +591,13 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev)
return -EINVAL;
}
twl = kzalloc(sizeof *twl, GFP_KERNEL);
twl = devm_kzalloc(&pdev->dev, sizeof *twl, GFP_KERNEL);
if (!twl)
return -ENOMEM;
otg = kzalloc(sizeof *otg, GFP_KERNEL);
if (!otg) {
kfree(twl);
otg = devm_kzalloc(&pdev->dev, sizeof *otg, GFP_KERNEL);
if (!otg)
return -ENOMEM;
}
twl->dev = &pdev->dev;
twl->irq = platform_get_irq(pdev, 0);
@ -623,8 +621,6 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev)
err = twl4030_usb_ldo_init(twl);
if (err) {
dev_err(&pdev->dev, "ldo init failed\n");
kfree(otg);
kfree(twl);
return err;
}
usb_add_phy(&twl->phy, USB_PHY_TYPE_USB2);
@ -648,8 +644,6 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev)
if (status < 0) {
dev_dbg(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq, status);
kfree(otg);
kfree(twl);
return status;
}
@ -693,9 +687,6 @@ static int __exit twl4030_usb_remove(struct platform_device *pdev)
regulator_put(twl->usb1v8);
regulator_put(twl->usb3v1);
kfree(twl->phy.otg);
kfree(twl);
return 0;
}

16
drivers/usb/otg/twl6030-usb.c
View file

@ -395,15 +395,13 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
pdata = dev->platform_data;
twl = kzalloc(sizeof *twl, GFP_KERNEL);
twl = devm_kzalloc(dev, sizeof *twl, GFP_KERNEL);
if (!twl)
return -ENOMEM;
otg = kzalloc(sizeof *otg, GFP_KERNEL);
if (!otg) {
kfree(twl);
otg = devm_kzalloc(dev, sizeof *otg, GFP_KERNEL);
if (!otg)
return -ENOMEM;
}
twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0);
@ -430,8 +428,6 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
err = twl6030_usb_ldo_init(twl);
if (err) {
dev_err(&pdev->dev, "ldo init failed\n");
kfree(otg);
kfree(twl);
return err;
}
usb_add_phy(&twl->phy, USB_PHY_TYPE_USB2);
@ -450,8 +446,6 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq1, status);
device_remove_file(twl->dev, &dev_attr_vbus);
kfree(otg);
kfree(twl);
return status;
}
@ -463,8 +457,6 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
twl->irq2, status);
free_irq(twl->irq1, twl);
device_remove_file(twl->dev, &dev_attr_vbus);
kfree(otg);
kfree(twl);
return status;
}
@ -495,8 +487,6 @@ static int __exit twl6030_usb_remove(struct platform_device *pdev)
pdata->phy_exit(twl->dev);
device_remove_file(twl->dev, &dev_attr_vbus);
cancel_work_sync(&twl->set_vbus_work);
kfree(twl->phy.otg);
kfree(twl);
return 0;
}