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authorKishon Vijay Abraham I <kishon@ti.com>2012-06-22 14:10:55 +0200
committerFelipe Balbi <balbi@ti.com>2012-06-25 13:08:53 +0200
commitb8a3efa3a363720687d21228d6b23b988a223bbb (patch)
tree1b1554813c7d91d05c3c13b42fb4e3ee604cf27a /drivers/usb/otg/twl4030-usb.c
parentusb: musb: omap: use devres API to allocate resources (diff)
downloadlinux-b8a3efa3a363720687d21228d6b23b988a223bbb.tar.xz
linux-b8a3efa3a363720687d21228d6b23b988a223bbb.zip
usb: otg: twl: use devres API to allocate resources
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>
Diffstat (limited to 'drivers/usb/otg/twl4030-usb.c')
-rw-r--r--drivers/usb/otg/twl4030-usb.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/usb/otg/twl4030-usb.c b/drivers/usb/otg/twl4030-usb.c
index 4d0d98bc40cd..523cad5bfea9 100644
--- a/drivers/usb/otg/twl4030-usb.c
+++ b/drivers/usb/otg/twl4030-usb.c
@@ -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;
}