linux-kernel - Re: 2.6.20-rc4-mm1: different values for OHCI_QUIRK

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Message-ID: <004401c772de$afbfb070$f504a8c0@elan.local>
Date:	Fri, 30 Mar 2007 16:18:28 +0100
From:	"Tony Olech" <tony.olech@...ndigitalsystems.com>
To:	"Randy Dunlap" <randy.dunlap@...cle.com>,
	"Adrian Bunk" <bunk@...sta.de>
Cc:	"David Brownell" <david-b@...bell.net>,
	"Andrew Morton" <akpm@...l.org>,
	"Benjamin Herrenschmidt" <benh@...nel.crashing.org>,
	"David Brownell" <dbrownell@...rs.sourceforge.net>,
	"Geoff Levand" <geoffrey.levand@...sony.com>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	<linux-kernel@...r.kernel.org>,
	<linux-usb-devel@...ts.sourceforge.net>
Subject: Re: 2.6.20-rc4-mm1: different values for OHCI_QUIRK_ZFMICRO

Sorry guys,
I have spent the last three weeks trying to track
down a problem one of our customers has been having,
the only thing I have been able to determine is that using
mutex'es the kernel crashes and using semaphores instead
works. Now I realize that the target is to use mutexes,
but I have been really at my wits end trying to solve the
problem. As a result I am just now doing an external
module tar ball version and with a bit of luck I should
be able to post it on our web site, so that our customers
can download it, before I take my two week easter
holiday starting in one hour. Since I have restructured
the driver several times trying to get a handle on the
problem, I think the kernel patch is going to be a complete
replacement, which will take a couple of weeks to squeeze
all the lines into 80 columns.

Tony Olech

----- Original Message ----- 
From: "Randy Dunlap" <randy.dunlap@...cle.com>
To: "Adrian Bunk" <bunk@...sta.de>
Cc: "David Brownell" <david-b@...bell.net>; "Andrew Morton" <akpm@...l.org>;
"Benjamin Herrenschmidt" <benh@...nel.crashing.org>; "David Brownell"
<dbrownell@...rs.sourceforge.net>; "Geoff Levand"
<geoffrey.levand@...sony.com>; "Greg Kroah-Hartman" <gregkh@...e.de>; "Tony
Olech" <tony.olech@...ndigitalsystems.com>; <linux-kernel@...r.kernel.org>;
<linux-usb-devel@...ts.sourceforge.net>
Sent: Thursday, March 29, 2007 11:06 PM
Subject: Re: 2.6.20-rc4-mm1: different values for OHCI_QUIRK_ZFMICRO


> On Tue, 20 Feb 2007 01:06:54 +0100 Adrian Bunk wrote:
>
>> On Sun, Jan 14, 2007 at 06:36:10AM -0800, David Brownell wrote:
>> > On Sunday 14 January 2007 1:10 am, Adrian Bunk wrote:
>> > > <--  snip  -->
>> >
>> > Waiting for Tony to submit bugfixes to his driver...
>>
>> Still unfixed as of 2.6.20-mm1.
>>
>> > > ...
>> > >   CC      drivers/usb/misc/ftdi-elan.o
>> > > /home/bunk/linux/kernel-2.6/linux-2.6.20-rc4-mm1/drivers/usb/misc/ftdi-elan.c:2307:1:
>> > > warning: "OHCI_QUIRK_ZFMICRO" redefined
>> > > In file included from
>> > > /home/bunk/linux/kernel-2.6/linux-2.6.20-rc4-mm1/drivers/usb/misc/ftdi-elan.c:76:
>> > > /home/bunk/linux/kernel-2.6/linux-2.6.20-rc4-mm1/drivers/usb/misc/../host/ohci.h:399:1:
>> > > warning: this is the location of the previous definition
>> > > ...
>> > > $ grep -r ^#define * | grep OHCI_QUIRK_ZFMICRO
>> > > drivers/usb/host/ohci.h:#define OHCI_QUIRK_ZFMICRO      0x20
>> > > /* Compaq ZFMicro chipset*/
>> > > drivers/usb/host/u132-hcd.c:#define OHCI_QUIRK_ZFMICRO 0x10
>> > > drivers/usb/misc/ftdi-elan.c:#define OHCI_QUIRK_ZFMICRO 0x10
>> > > $
>> > >
>> > > <--  snip  -->
>
> so is there a patch around for this yet?
>
> or shall someone other than Tony (??) make one?
>
>
> ---
> ~Randy
> *** Remember to use Documentation/SubmitChecklist when testing your code
> ***
>
>

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