From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxx> # v3.2+ Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> Reported-by: Dmitry Nezhevenko <dion@xxxxxxxxx> [Mathias Nyman: reword commit message] Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> --- drivers/usb/host/xhci-hub.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 696160d..388cfd8 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; -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html