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Revert "xhci: Limit USB2 port wake support for AMD Promontory hosts"

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This reverts commit dec08194ff.

Commit dec08194ff ("xhci: Limit USB2 port wake support for AMD Promontory
hosts") makes all high speed USB ports on ASUS PRIME B350M-A cease to
function after enabling runtime PM.

All boards with this chipsets will be affected, so revert the commit.

The original patch was added to stable 4.9, 4.11 and 4.12 and needs
to reverted from there as well

Cc: <stable@vger.kernel.org> # 4.9+
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kai-Heng Feng
2017-09-18 17:39:19 +03:00
committed by Greg Kroah-Hartman
parent 7bea22b124
commit bcd6a7aa13
3 changed files with 1 additions and 16 deletions
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3
drivers/usb/host/xhci-hub.c
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@@ -1515,9 +1515,6 @@ 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))
t2 &= ~PORT_WAKE_BITS;
} else
t2 &= ~PORT_WAKE_BITS;