From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 15 Dec 2006 21:08:13 +0000 (-0500)
Subject: UHCI: support device_may_wakeup
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=25c77b329467d563ec1fa5c3efab0b13996ce810;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

UHCI: support device_may_wakeup

This patch (as831) adds device_may_wakeup() support to uhci-hcd; it
has been lacking for a long time.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index fecc8c971c17..e0d4c2358b39 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -257,7 +257,9 @@ __acquires(uhci->lock)
 	int_enable = USBINTR_RESUME;
 	if (remote_wakeup_is_broken(uhci))
 		egsm_enable = 0;
-	if (resume_detect_interrupts_are_broken(uhci) || !egsm_enable)
+	if (resume_detect_interrupts_are_broken(uhci) || !egsm_enable ||
+			!device_may_wakeup(
+				&uhci_to_hcd(uhci)->self.root_hub->dev))
 		uhci->working_RD = int_enable = 0;
 
 	outw(int_enable, uhci->io_addr + USBINTR);