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Commit 90d58864 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
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usb: gadget: udc: renesas_usb3: Add suspend/resume functions 



This patch adds support suspend/resume functions

Signed-off-by: default avatarKazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
[shimoda: add the commit log]
Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent cf06df3f

drivers/usb/gadget/udc/renesas_usb3.c

+34 −0
Original line number Diff line number Diff line
@@ -2655,11 +2655,45 @@ static int renesas_usb3_probe(struct platform_device *pdev) 
	return ret;

}



#ifdef CONFIG_PM_SLEEP

static int renesas_usb3_suspend(struct device *dev)

{

	struct renesas_usb3 *usb3 = dev_get_drvdata(dev);



	/* Not started */

	if (!usb3->driver)

		return 0;



	renesas_usb3_stop_controller(usb3);

	pm_runtime_put(dev);



	return 0;

}



static int renesas_usb3_resume(struct device *dev)

{

	struct renesas_usb3 *usb3 = dev_get_drvdata(dev);



	/* Not started */

	if (!usb3->driver)

		return 0;



	pm_runtime_get_sync(dev);

	renesas_usb3_init_controller(usb3);



	return 0;

}

#endif



static SIMPLE_DEV_PM_OPS(renesas_usb3_pm_ops, renesas_usb3_suspend,

			renesas_usb3_resume);



static struct platform_driver renesas_usb3_driver = {

	.probe		= renesas_usb3_probe,

	.remove		= renesas_usb3_remove,

	.driver		= {

		.name =	(char *)udc_name,

		.pm		= &renesas_usb3_pm_ops,

		.of_match_table = of_match_ptr(usb3_of_match),

	},

};