linux-kernel - Re: Keyboard stops working after *lock [Was: 2.6.21-rc2-mm1]

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Message-ID: <Pine.LNX.4.44L0.0703181211080.19508-100000@netrider.rowland.org>
Date:	Sun, 18 Mar 2007 12:11:40 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Jiri Slaby <jirislaby@...il.com>
cc:	Jiri Kosina <jikos@...os.cz>, <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Keyboard stops working after *lock [Was: 2.6.21-rc2-mm1]

On Sun, 18 Mar 2007, Jiri Slaby wrote:

> Alan Stern napsal(a):
> > On Sun, 18 Mar 2007, Jiri Slaby wrote:
> > 
> >> Alan Stern napsal(a):
> >>> In drivers/usb/host/uhci-q.c, near the start is a function named
> >>> uhci_fsbr_on().  Put a "return" statement right at its beginning so that
> >>> the function doesn't do anything.  Does that make any difference?
> >> Yes, it works.
> > 
> > Okay.  Take out that extra "return" statement and revert the WARN_ON, and
> > try this patch.  I don't like it because it adds extra PCI bus overhead to
> > the driver, but if some systems need it then there's no choice.
> 
> Yes, I'm proud to let you know, that it solves the problem :).
> 
> thanks a lot,

Okay, I'll run some tests of my own and submit it.

Alan Stern

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