linux_dsm_epyc7002/drivers/usb/cdns3/host-export.h
Peter Chen 3db17e283a usb: cdns3: host: add .suspend_quirk for xhci-plat.c
[ Upstream commit ed22764847e8100f0af9af91ccfa58e5c559bd47 ]

cdns3 has some special PM sequence between xhci_bus_suspend and
xhci_suspend, add quirk to implement it.

Reviewed-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-11 14:17:25 +01:00

34 lines
678 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Cadence USBSS DRD Driver - Host Export APIs
*
* Copyright (C) 2017-2018 NXP
*
* Authors: Peter Chen <peter.chen@nxp.com>
*/
#ifndef __LINUX_CDNS3_HOST_EXPORT
#define __LINUX_CDNS3_HOST_EXPORT
struct usb_hcd;
#ifdef CONFIG_USB_CDNS3_HOST
int cdns3_host_init(struct cdns3 *cdns);
int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd);
#else
static inline int cdns3_host_init(struct cdns3 *cdns)
{
return -ENXIO;
}
static inline void cdns3_host_exit(struct cdns3 *cdns) { }
static inline int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd)
{
return 0;
}
#endif /* CONFIG_USB_CDNS3_HOST */
#endif /* __LINUX_CDNS3_HOST_EXPORT */