This is a note to let you know that I've just added the patch titled
usb: ehci: using wIndex + 1 for hub port
to the 3.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-ehci-using-windex-1-for-hub-port.patch
and it can be found in the queue-3.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5cbcc35e5bf0eae3c7494ce3efefffc9977827ae Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@xxxxxxxxxxxxx>
Date: Tue, 5 Aug 2014 08:28:19 +0800
Subject: usb: ehci: using wIndex + 1 for hub port
From: Peter Chen <peter.chen@xxxxxxxxxxxxx>
commit 5cbcc35e5bf0eae3c7494ce3efefffc9977827ae upstream.
The roothub's index per controller is from 0, but the hub port index per hub
is from 1, this patch fixes "can't find device at roohub" problem for connecting
test fixture at roohub when do USB-IF Embedded Host High-Speed Electrical Test.
This patch is for v3.12+.
Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/ehci-hub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -1230,7 +1230,7 @@ int ehci_hub_control(
if (selector == EHSET_TEST_SINGLE_STEP_SET_FEATURE) {
spin_unlock_irqrestore(&ehci->lock, flags);
retval = ehset_single_step_set_feature(hcd,
- wIndex);
+ wIndex + 1);
spin_lock_irqsave(&ehci->lock, flags);
break;
}
Patches currently in stable-queue which might be from peter.chen@xxxxxxxxxxxxx are
queue-3.16/usb-ehci-using-windex-1-for-hub-port.patch
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