From 8f9cc83c06d44081d7c7e179f778cbeb4d074fa7 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 8 Jun 2018 16:59:57 -0400 Subject: [PATCH] USB: xhci-hcd: Add get_resuming_ports method This patch adds support for the new get_resuming_ports HCD method to the xhci-hcd driver. Signed-off-by: Alan Stern Acked-by: Mathias Nyman Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-hub.c | 11 +++++++++++ drivers/usb/host/xhci.c | 1 + drivers/usb/host/xhci.h | 2 ++ 3 files changed, 14 insertions(+) diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index a4b95d019f84..7e2a531ba321 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1684,4 +1684,15 @@ int xhci_bus_resume(struct usb_hcd *hcd) return 0; } +unsigned long xhci_get_resuming_ports(struct usb_hcd *hcd) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + struct xhci_bus_state *bus_state; + + bus_state = &xhci->bus_state[hcd_index(hcd)]; + + /* USB3 port wakeups are reported via usb_wakeup_notification() */ + return bus_state->resuming_ports; /* USB2 ports only */ +} + #endif /* CONFIG_PM */ diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 8c8da2d657fa..2f239cb3deaf 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -5081,6 +5081,7 @@ static const struct hc_driver xhci_hc_driver = { .hub_status_data = xhci_hub_status_data, .bus_suspend = xhci_bus_suspend, .bus_resume = xhci_bus_resume, + .get_resuming_ports = xhci_get_resuming_ports, /* * call back when device connected and addressed diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 939e2f86b595..ece5891240f0 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -2110,9 +2110,11 @@ void xhci_hc_died(struct xhci_hcd *xhci); #ifdef CONFIG_PM int xhci_bus_suspend(struct usb_hcd *hcd); int xhci_bus_resume(struct usb_hcd *hcd); +unsigned long xhci_get_resuming_ports(struct usb_hcd *hcd); #else #define xhci_bus_suspend NULL #define xhci_bus_resume NULL +#define xhci_get_resuming_ports NULL #endif /* CONFIG_PM */ u32 xhci_port_state_to_neutral(u32 state); -- 2.45.2