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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jarod Wilson <jwilson@redhat.com>
Cc: Kristian Hoegsberg <krh@bitplanet.net>,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
	Stefan Richter <stefanr@s5r6.in-berlin.de>,
	sparclinux@vger.kernel.org,
	linux1394-devel@lists.sourceforge.net,
	Sam Ravnborg <sam@ravnborg.org>,
	Harvey Harrison <harvey.harrison@gmail.com>
Subject: Re: [PATCH 1/2] firewire: endianess fix
Date: Thu, 28 Feb 2008 13:40:22 +1100	[thread overview]
Message-ID: <1204166422.15052.334.camel@pasglop> (raw)
In-Reply-To: <200802271458.28401.jwilson@redhat.com>


On Wed, 2008-02-27 at 14:58 -0500, Jarod Wilson wrote:
> On Saturday 23 February 2008 06:24:17 am Stefan Richter wrote:
> > The generation of incoming requests was filled in in wrong byte order on
> > machines with big endian CPU.
> >
> > Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
> > Cc: sparclinux@vger.kernel.org
> > Cc: linuxppc-dev@ozlabs.org
> > ---
> >
> > This patch is a shot in the dark, based on a warning when building with
> > C=1 CHECKFLAGS="-D__CHECK_ENDIAN__".  Is it really a fix, or was the
> > previous code accidentally correct?
> >
> > This needs to be tested on different big endian PCs, if possible with
> > the Apple Uninorth FireWire controller and other types of controllers.
> > One test which involves ohci->request_generation is simply with an SBP-2
> > device (harddisk, CD-ROM...).  Does SBP-2 login etc. work?
> 
> Works just fine with the Apple UniNorth controller in my powerbook in cursory 
> testing. Tested with multiple sbp2 hard disks, plugging and unplugging, 
> mounting and unmounting, etc.

Which specific rev/version of the uninorth controller ?

There is the "interesting" one has vendorID Apple and deviceID 0x0018,
the normal ones have different deviceIDs (and are just lucent
controllers afaik).

Ben.

WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jarod Wilson <jwilson@redhat.com>
Cc: Kristian Hoegsberg <krh@bitplanet.net>,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
	Stefan Richter <stefanr@s5r6.in-berlin.de>,
	sparclinux@vger.kernel.org,
	linux1394-devel@lists.sourceforge.net,
	Sam Ravnborg <sam@ravnborg.org>,
	Harvey Harrison <harvey.harrison@gmail.com>
Subject: Re: [PATCH 1/2] firewire: endianess fix
Date: Thu, 28 Feb 2008 02:40:22 +0000	[thread overview]
Message-ID: <1204166422.15052.334.camel@pasglop> (raw)
In-Reply-To: <200802271458.28401.jwilson@redhat.com>


On Wed, 2008-02-27 at 14:58 -0500, Jarod Wilson wrote:
> On Saturday 23 February 2008 06:24:17 am Stefan Richter wrote:
> > The generation of incoming requests was filled in in wrong byte order on
> > machines with big endian CPU.
> >
> > Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
> > Cc: sparclinux@vger.kernel.org
> > Cc: linuxppc-dev@ozlabs.org
> > ---
> >
> > This patch is a shot in the dark, based on a warning when building with
> > C=1 CHECKFLAGS="-D__CHECK_ENDIAN__".  Is it really a fix, or was the
> > previous code accidentally correct?
> >
> > This needs to be tested on different big endian PCs, if possible with
> > the Apple Uninorth FireWire controller and other types of controllers.
> > One test which involves ohci->request_generation is simply with an SBP-2
> > device (harddisk, CD-ROM...).  Does SBP-2 login etc. work?
> 
> Works just fine with the Apple UniNorth controller in my powerbook in cursory 
> testing. Tested with multiple sbp2 hard disks, plugging and unplugging, 
> mounting and unmounting, etc.

Which specific rev/version of the uninorth controller ?

There is the "interesting" one has vendorID Apple and deviceID 0x0018,
the normal ones have different deviceIDs (and are just lucent
controllers afaik).

Ben.



WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jarod Wilson <jwilson@redhat.com>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>,
	Kristian Hoegsberg <krh@bitplanet.net>,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
	sparclinux@vger.kernel.org,
	linux1394-devel@lists.sourceforge.net,
	Sam Ravnborg <sam@ravnborg.org>,
	Harvey Harrison <harvey.harrison@gmail.com>
Subject: Re: [PATCH 1/2] firewire: endianess fix
Date: Thu, 28 Feb 2008 13:40:22 +1100	[thread overview]
Message-ID: <1204166422.15052.334.camel@pasglop> (raw)
In-Reply-To: <200802271458.28401.jwilson@redhat.com>


On Wed, 2008-02-27 at 14:58 -0500, Jarod Wilson wrote:
> On Saturday 23 February 2008 06:24:17 am Stefan Richter wrote:
> > The generation of incoming requests was filled in in wrong byte order on
> > machines with big endian CPU.
> >
> > Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
> > Cc: sparclinux@vger.kernel.org
> > Cc: linuxppc-dev@ozlabs.org
> > ---
> >
> > This patch is a shot in the dark, based on a warning when building with
> > C=1 CHECKFLAGS="-D__CHECK_ENDIAN__".  Is it really a fix, or was the
> > previous code accidentally correct?
> >
> > This needs to be tested on different big endian PCs, if possible with
> > the Apple Uninorth FireWire controller and other types of controllers.
> > One test which involves ohci->request_generation is simply with an SBP-2
> > device (harddisk, CD-ROM...).  Does SBP-2 login etc. work?
> 
> Works just fine with the Apple UniNorth controller in my powerbook in cursory 
> testing. Tested with multiple sbp2 hard disks, plugging and unplugging, 
> mounting and unmounting, etc.

Which specific rev/version of the uninorth controller ?

There is the "interesting" one has vendorID Apple and deviceID 0x0018,
the normal ones have different deviceIDs (and are just lucent
controllers afaik).

Ben.



  parent reply	other threads:[~2008-02-28  2:41 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-20 22:03 sparse - make __CHECK_ENDIAN__ default enabled? Sam Ravnborg
2008-02-20 22:18 ` Harvey Harrison
2008-02-23 11:23   ` [PATCH 0/2] firewire: endinaness warnings (was Re: sparse - make __CHECK_ENDIAN__ default enabled?) Stefan Richter
2008-02-23 11:23     ` Stefan Richter
2008-02-23 11:23     ` [PATCH 0/2] firewire: endinaness warnings (was Re: sparse - make Stefan Richter
2008-02-23 11:24     ` [PATCH 1/2] firewire: endianess fix Stefan Richter
2008-02-23 11:24       ` Stefan Richter
2008-02-23 11:24       ` Stefan Richter
2008-02-23 11:36       ` Stefan Richter
2008-02-23 11:36         ` Stefan Richter
2008-02-23 11:36         ` Stefan Richter
2008-02-23 12:12       ` Stefan Richter
2008-02-23 12:12         ` Stefan Richter
2008-02-23 12:12         ` Stefan Richter
2008-03-01 12:36         ` Stefan Richter
2008-03-01 12:36           ` Stefan Richter
2008-03-01 12:36           ` Stefan Richter
2008-02-27 19:58       ` Jarod Wilson
2008-02-27 19:58         ` Jarod Wilson
2008-02-27 19:58         ` Jarod Wilson
2008-02-27 20:08         ` Stefan Richter
2008-02-27 20:08           ` Stefan Richter
2008-02-27 20:08           ` Stefan Richter
2008-02-27 20:21           ` Jarod Wilson
2008-02-27 20:21             ` Jarod Wilson
2008-02-27 20:21             ` Jarod Wilson
2008-02-28  2:40         ` Benjamin Herrenschmidt [this message]
2008-02-28  2:40           ` Benjamin Herrenschmidt
2008-02-28  2:40           ` Benjamin Herrenschmidt
2008-02-28  3:21           ` Jarod Wilson
2008-02-28  3:21             ` Jarod Wilson
2008-02-28  3:21             ` Jarod Wilson
2008-02-28  6:25             ` Benjamin Herrenschmidt
2008-02-28  6:25               ` Benjamin Herrenschmidt
2008-02-28  6:25               ` Benjamin Herrenschmidt
2008-02-28 18:42               ` Jarod Wilson
2008-02-28 18:42                 ` Jarod Wilson
2008-02-28 18:42                 ` Jarod Wilson
2008-02-28 23:26                 ` Benjamin Herrenschmidt
2008-02-28 23:26                   ` Benjamin Herrenschmidt
2008-02-29  5:48                   ` Jarod Wilson
2008-02-29  5:48                     ` Jarod Wilson
2008-02-29  6:00                     ` Benjamin Herrenschmidt
2008-02-29  6:00                       ` Benjamin Herrenschmidt
2008-02-29 11:26                     ` Paul Mackerras
2008-02-29 11:26                       ` Paul Mackerras
2008-02-29 11:26                       ` Paul Mackerras
2008-02-29 11:52                       ` Stefan Richter
2008-02-29 11:52                         ` Stefan Richter
2008-02-29 11:52                         ` Stefan Richter
2008-02-29 21:49                         ` Benjamin Herrenschmidt
2008-02-29 21:49                           ` Benjamin Herrenschmidt
2008-02-29 21:49                           ` Benjamin Herrenschmidt
2008-02-29 15:34                       ` Jarod Wilson
2008-02-29 15:34                         ` Jarod Wilson
2008-02-29 15:34                         ` Jarod Wilson
2008-03-03  9:19                     ` Gabriel Paubert
2008-03-03  9:19                       ` Gabriel Paubert
2008-03-03  9:19                       ` Gabriel Paubert
2008-03-03 14:35                       ` Stefan Richter
2008-03-03 14:35                         ` Stefan Richter
2008-03-03 14:35                         ` Stefan Richter
2008-03-05 22:59                         ` Gabriel Paubert
2008-03-05 22:59                           ` Gabriel Paubert
2008-03-05 22:59                           ` Gabriel Paubert
2008-03-05 23:26                           ` Stefan Richter
2008-03-05 23:26                             ` Stefan Richter
2008-03-05 23:26                             ` Stefan Richter
2008-03-06 20:23                             ` Gabriel Paubert
2008-03-06 20:23                               ` Gabriel Paubert
2008-03-06 20:23                               ` Gabriel Paubert
2008-02-28  3:33         ` Jarod Wilson
2008-02-28  3:33           ` Jarod Wilson
2008-02-28  3:33           ` Jarod Wilson
2008-02-28  2:41       ` Benjamin Herrenschmidt
2008-02-28  2:41         ` Benjamin Herrenschmidt
2008-02-28  2:41         ` Benjamin Herrenschmidt
2008-02-28  8:41         ` Stefan Richter
2008-02-28  8:41           ` Stefan Richter
2008-02-23 11:24     ` [PATCH 2/2] firewire: endianess annotations Stefan Richter
2008-02-23 11:24       ` Stefan Richter
2008-02-23 11:24       ` Stefan Richter
2008-03-01  5:23     ` [PATCH 0/2] firewire: endinaness warnings (was Re: sparse - make __CHECK_ENDIAN__ default enabled?) Jarod Wilson
2008-03-01  5:23       ` Jarod Wilson
2008-03-01  5:23       ` [PATCH 0/2] firewire: endinaness warnings (was Re: sparse - make __CHECK_ENDIAN__ default enable Jarod Wilson
2008-02-20 22:39 ` sparse - make __CHECK_ENDIAN__ default enabled? Harvey Harrison
2008-02-20 22:51   ` Sam Ravnborg

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