From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Jason Cooper <jason@lakedaemon.net>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Andrew Lunn <andrew@lunn.ch>, Arnd Bergmann <arnd@arndb.de>,
Wolfram Sang <wsa@the-dreams.de>,
stable@vger.kernel.org, linux-i2c@vger.kernel.org,
Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
linux-arm-kernel@lists.infradead.org,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Subject: Re: [PATCH v5 2/4] ARM: mvebu: Add quirk for i2c for the OpenBlocks AX3-4 board
Date: Fri, 10 Jan 2014 12:05:21 -0700 [thread overview]
Message-ID: <20140110190521.GI18269@obsidianresearch.com> (raw)
In-Reply-To: <20140110182240.GK19878@titan.lakedaemon.net>
On Fri, Jan 10, 2014 at 01:22:40PM -0500, Jason Cooper wrote:
> Do we create new compatible strings to indicate errata, or to indicate
> 'from this version forward there are new features'? The former would
> indicate as Gregory has written '...-a0-i2c', the latter would warrant
> '...-b0-i2c' and disabling offloading if we don't see '...-b0-i2c'.
IMHO the compatible string should represent a specific HW/SW ABI. So
you need a unique compatible string for every variation of that ABI.
We already have a compatible string defined for the ABI that B0
presents.
Jason
WARNING: multiple messages have this Message-ID (diff)
From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 2/4] ARM: mvebu: Add quirk for i2c for the OpenBlocks AX3-4 board
Date: Fri, 10 Jan 2014 12:05:21 -0700 [thread overview]
Message-ID: <20140110190521.GI18269@obsidianresearch.com> (raw)
In-Reply-To: <20140110182240.GK19878@titan.lakedaemon.net>
On Fri, Jan 10, 2014 at 01:22:40PM -0500, Jason Cooper wrote:
> Do we create new compatible strings to indicate errata, or to indicate
> 'from this version forward there are new features'? The former would
> indicate as Gregory has written '...-a0-i2c', the latter would warrant
> '...-b0-i2c' and disabling offloading if we don't see '...-b0-i2c'.
IMHO the compatible string should represent a specific HW/SW ABI. So
you need a unique compatible string for every variation of that ABI.
We already have a compatible string defined for the ABI that B0
presents.
Jason
next prev parent reply other threads:[~2014-01-10 19:05 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-08 15:06 [PATCH v5 0/4] Fix i2c bus hang on A0 version of the Armada XP SoCs Gregory CLEMENT
2014-01-08 15:06 ` Gregory CLEMENT
[not found] ` <1389193589-18485-1-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-08 15:06 ` [PATCH v5 1/4] ARM: mvebu: Add support to get the ID and the revision of a SoC Gregory CLEMENT
2014-01-08 15:06 ` Gregory CLEMENT
2014-01-08 15:06 ` [PATCH v5 2/4] ARM: mvebu: Add quirk for i2c for the OpenBlocks AX3-4 board Gregory CLEMENT
2014-01-08 15:06 ` Gregory CLEMENT
[not found] ` <1389193589-18485-3-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-08 15:22 ` Wolfram Sang
2014-01-08 15:22 ` Wolfram Sang
2014-01-08 15:28 ` Gregory CLEMENT
2014-01-08 15:28 ` Gregory CLEMENT
2014-01-10 18:22 ` Jason Cooper
2014-01-10 18:22 ` Jason Cooper
2014-01-10 19:05 ` Jason Gunthorpe [this message]
2014-01-10 19:05 ` Jason Gunthorpe
2014-01-10 19:45 ` Jason Cooper
2014-01-10 19:45 ` Jason Cooper
2014-01-10 20:08 ` Jason Cooper
2014-01-10 20:08 ` Jason Cooper
2014-01-10 20:12 ` Gregory CLEMENT
2014-01-10 20:12 ` Gregory CLEMENT
[not found] ` <52D05439.7040905-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-10 21:14 ` Jason Cooper
2014-01-10 21:14 ` Jason Cooper
2014-01-10 21:21 ` Gregory CLEMENT
2014-01-10 21:21 ` Gregory CLEMENT
2014-01-10 21:37 ` Jason Cooper
2014-01-10 21:37 ` Jason Cooper
[not found] ` <20140110213752.GA19878-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-01-10 21:52 ` Gregory CLEMENT
2014-01-10 21:52 ` Gregory CLEMENT
2014-01-13 15:02 ` Gregory CLEMENT
2014-01-13 15:02 ` Gregory CLEMENT
[not found] ` <20140110194550.GT19878-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-01-10 20:09 ` Gregory CLEMENT
2014-01-10 20:09 ` Gregory CLEMENT
2014-01-10 21:11 ` Jason Cooper
2014-01-10 21:11 ` Jason Cooper
2014-01-10 21:06 ` Jason Gunthorpe
2014-01-10 21:06 ` Jason Gunthorpe
2014-01-10 21:19 ` Jason Cooper
2014-01-10 21:19 ` Jason Cooper
2014-01-08 15:13 ` [PATCH v5 0/4] Fix i2c bus hang on A0 version of the Armada XP SoCs Arnd Bergmann
2014-01-08 15:13 ` Arnd Bergmann
2014-01-08 15:06 ` [PATCH v5 3/4] i2c: mv64xxx: Fix " Gregory CLEMENT
2014-01-08 15:06 ` Gregory CLEMENT
2014-01-08 15:21 ` Wolfram Sang
2014-01-08 15:21 ` Wolfram Sang
2014-01-08 15:26 ` Gregory CLEMENT
2014-01-08 15:26 ` Gregory CLEMENT
2014-01-08 15:28 ` Arnd Bergmann
2014-01-08 15:28 ` Arnd Bergmann
2014-01-08 15:28 ` Wolfram Sang
2014-01-08 15:28 ` Wolfram Sang
2014-01-08 15:06 ` [PATCH v5 4/4] i2c: mv64xxx: Document the newly introduced Armada XP A0 compatible Gregory CLEMENT
2014-01-08 15:06 ` Gregory CLEMENT
[not found] ` <1389193589-18485-5-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-10 21:55 ` Jason Cooper
2014-01-10 21:55 ` Jason Cooper
[not found] ` <20140110215526.GB19878-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-01-10 23:04 ` Gregory CLEMENT
2014-01-10 23:04 ` Gregory CLEMENT
2014-01-08 16:46 ` [PATCH v5 0/4] Fix i2c bus hang on A0 version of the Armada XP SoCs Gregory CLEMENT
2014-01-08 16:46 ` Gregory CLEMENT
2014-01-14 2:14 ` Jason Cooper
2014-01-14 2:14 ` Jason Cooper
2014-01-14 8:46 ` Gregory CLEMENT
2014-01-14 8:46 ` Gregory CLEMENT
[not found] ` <52D4F966.6060200-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-20 11:20 ` Gregory CLEMENT
2014-01-20 11:20 ` Gregory CLEMENT
2014-01-20 14:44 ` Jason Cooper
2014-01-20 14:44 ` Jason Cooper
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