* [3/3] USB: xhci-hcd: Add get_resuming_ports method
@ 2018-06-11 11:09 Mathias Nyman
0 siblings, 0 replies; 2+ messages in thread
From: Mathias Nyman @ 2018-06-11 11:09 UTC (permalink / raw)
To: Alan Stern, Greg KH; +Cc: Anshuman Gupta, USB list
On 08.06.2018 23:59, Alan Stern wrote:
> 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>
> CC: Mathias Nyman <mathias.nyman@intel.com>
>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
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^ permalink raw reply [flat|nested] 2+ messages in thread
* [3/3] USB: xhci-hcd: Add get_resuming_ports method
@ 2018-06-08 20:59 Alan Stern
0 siblings, 0 replies; 2+ messages in thread
From: Alan Stern @ 2018-06-08 20:59 UTC (permalink / raw)
To: Greg KH; +Cc: Anshuman Gupta, USB list
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>
CC: Mathias Nyman <mathias.nyman@intel.com>
---
[as1869]
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Index: usb-4.x/drivers/usb/host/xhci-hub.c
===================================================================
--- usb-4.x.orig/drivers/usb/host/xhci-hub.c
+++ usb-4.x/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 */
Index: usb-4.x/drivers/usb/host/xhci.c
===================================================================
--- usb-4.x.orig/drivers/usb/host/xhci.c
+++ usb-4.x/drivers/usb/host/xhci.c
@@ -5019,6 +5019,7 @@ static const struct hc_driver xhci_hc_dr
.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
Index: usb-4.x/drivers/usb/host/xhci.h
===================================================================
--- usb-4.x.orig/drivers/usb/host/xhci.h
+++ usb-4.x/drivers/usb/host/xhci.h
@@ -2104,9 +2104,11 @@ 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);
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