diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2014-11-18 11:27:13 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-22 07:33:15 -0800 |
| commit | 9b41ebd3cf0f68d8cad779d3eeba336f78262e43 (patch) | |
| tree | 232b4d116d7c5743181a3f565120d1ea74a0a81e | |
| parent | c3492dbfa1050debf23a5b5cd2bc7514c5b37896 (diff) | |
Revert "xhci: clear root port wake on bits if controller isn't wake-up capable"
commit ff8cbf250b44 ("xhci: clear root port wake on bits if controller isn't")
can cause device detection error if runtime PM is enabled, and S3 wake
is disabled. Revert it.
https://bugzilla.kernel.org/show_bug.cgi?id=85701
This commit got into stable and should be reverted from there as well.
Cc: stable <stable@vger.kernel.org> # v3.2+
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reported-by: Dmitry Nezhevenko <dion@inhex.net>
[Mathias Nyman: reword commit message]
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 696160d48ae8..388cfd83b6b6 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -22,7 +22,6 @@ #include <linux/slab.h> -#include <linux/device.h> #include <asm/unaligned.h> #include "xhci.h" @@ -1149,9 +1148,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd) * including the USB 3.0 roothub, but only if CONFIG_PM_RUNTIME * is enabled, so also enable remote wake here. */ - if (hcd->self.root_hub->do_remote_wakeup - && device_may_wakeup(hcd->self.controller)) { - + if (hcd->self.root_hub->do_remote_wakeup) { if (t1 & PORT_CONNECT) { t2 |= PORT_WKOC_E | PORT_WKDISC_E; t2 &= ~PORT_WKCONN_E; |