usb:hsotg:samsung: Add release function for hsotg device

Add release function to prevent kernel warning.
Kfree is performed when all references are gone.

Signed-off-by: Sangwook Lee <sangwook.lee@linaro.org>
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Lukasz Majewski 2012-05-04 14:17:13 +02:00 committed by Felipe Balbi
parent f99b2bfebe
commit f026a52d43

View File

@ -3444,10 +3444,22 @@ static void __devexit s3c_hsotg_delete_debug(struct s3c_hsotg *hsotg)
debugfs_remove(hsotg->debug_root);
}
/**
* s3c_hsotg_release - release callback for hsotg device
* @dev: Device to for which release is called
*/
static void s3c_hsotg_release(struct device *dev)
{
struct s3c_hsotg *hsotg = dev_get_drvdata(dev);
kfree(hsotg);
}
/**
* s3c_hsotg_probe - probe function for hsotg driver
* @pdev: The platform information for the driver
*/
static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
{
struct s3c_hsotg_plat *plat = pdev->dev.platform_data;
@ -3531,6 +3543,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
hsotg->gadget.dev.parent = dev;
hsotg->gadget.dev.dma_mask = dev->dma_mask;
hsotg->gadget.dev.release = s3c_hsotg_release;
/* reset the system */
@ -3678,7 +3691,6 @@ static int __devexit s3c_hsotg_remove(struct platform_device *pdev)
clk_put(hsotg->clk);
device_unregister(&hsotg->gadget.dev);
kfree(hsotg);
return 0;
}