Commit f91649c5 authored by Miquel Raynal's avatar Miquel Raynal Committed by Greg Kroah-Hartman
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usb: ehci-orion: add S2RAM support 



Add suspend/resume callbacks to reset the host controller properly
during S2RAM operation.

Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e0458518

drivers/usb/host/ehci-orion.c

+18 −0
Original line number Diff line number Diff line
@@ -182,6 +182,23 @@ static int ehci_orion_drv_reset(struct usb_hcd *hcd) 
	return ret;

}



static int __maybe_unused ehci_orion_drv_suspend(struct device *dev)

{

	struct usb_hcd *hcd = dev_get_drvdata(dev);



	return ehci_suspend(hcd, device_may_wakeup(dev));

}



static int __maybe_unused ehci_orion_drv_resume(struct device *dev)

{

	struct usb_hcd *hcd = dev_get_drvdata(dev);



	return ehci_resume(hcd, false);

}



static SIMPLE_DEV_PM_OPS(ehci_orion_pm_ops, ehci_orion_drv_suspend,

			 ehci_orion_drv_resume);



static const struct ehci_driver_overrides orion_overrides __initconst = {

	.extra_priv_size =	sizeof(struct orion_ehci_hcd),

	.reset = ehci_orion_drv_reset,
@@ -334,6 +351,7 @@ static struct platform_driver ehci_orion_driver = { 
	.driver = {

		.name	= "orion-ehci",

		.of_match_table = ehci_orion_dt_ids,

		.pm = &ehci_orion_pm_ops,

	},

};