Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-17 01:22:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

usb: ehci: using wIndex + 1 for hub port

Browse Source 
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+.

Cc: stable@vger.kernel.org
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Chen 2014-08-05 08:28:19 +08:00 committed by Greg Kroah-Hartman
parent a7e69ddb10
commit 5cbcc35e5b
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/host/ehci-hub.c
View File

@ -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;
}