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| author | Alan Stern <stern@rowland.harvard.edu> | 2018-06-08 22:59:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-06-25 15:44:43 +0200 |
| commit | 8f9cc83c06d44081d7c7e179f778cbeb4d074fa7 (patch) | |
| tree | cc994e13b3bae9d093f5788999688f8337840fd9 /drivers | |
| parent | USB: ehci-hcd: Add get_resuming_ports method (diff) | |
| download | linux-8f9cc83c06d44081d7c7e179f778cbeb4d074fa7.tar.xz linux-8f9cc83c06d44081d7c7e179f778cbeb4d074fa7.zip | |
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 <stern@rowland.harvard.edu>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 11 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 1 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.h | 2 |
3 files changed, 14 insertions, 0 deletions
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); |