diff options
| author | Ingo Molnar <mingo@kernel.org> | 2018-03-09 07:32:20 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-03-09 07:32:20 +0100 |
| commit | fc4c5a3828bdba157f8ea406e1f4ceb75c13039c (patch) | |
| tree | e3fc4601f914fa59e70c7534206cf5c2c6ba16d1 /drivers/usb/host/xhci-hub.c | |
| parent | 14a7405b2e814221a951bd7a76ce4a8d24c1b3be (diff) | |
| parent | 1b88accf6a659c46d5c8e68912896f112bf882bb (diff) | |
| download | linux-fc4c5a3828bdba157f8ea406e1f4ceb75c13039c.tar.bz2 | |
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 46d5e08f05f1..72ebbc908e19 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1224,17 +1224,17 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, temp = readl(port_array[wIndex]); break; } - - /* Software should not attempt to set - * port link state above '3' (U3) and the port - * must be enabled. - */ - if ((temp & PORT_PE) == 0 || - (link_state > USB_SS_PORT_LS_U3)) { - xhci_warn(xhci, "Cannot set link state.\n"); + /* Port must be enabled */ + if (!(temp & PORT_PE)) { + retval = -ENODEV; + break; + } + /* Can't set port link state above '3' (U3) */ + if (link_state > USB_SS_PORT_LS_U3) { + xhci_warn(xhci, "Cannot set port %d link state %d\n", + wIndex, link_state); goto error; } - if (link_state == USB_SS_PORT_LS_U3) { slot_id = xhci_find_slot_id_by_port(hcd, xhci, wIndex + 1); @@ -1522,6 +1522,13 @@ int xhci_bus_suspend(struct usb_hcd *hcd) t2 |= PORT_WKOC_E | PORT_WKCONN_E; t2 &= ~PORT_WKDISC_E; } + + if ((xhci->quirks & XHCI_U2_DISABLE_WAKE) && + (hcd->speed < HCD_USB3)) { + if (usb_amd_pt_check_port(hcd->self.controller, + port_index)) + t2 &= ~PORT_WAKE_BITS; + } } else t2 &= ~PORT_WAKE_BITS; |