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From: gregory.clement@free-electrons.com (Gregory CLEMENT)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 2/3] ARM: mvebu: Add quirk for i2c
Date: Wed, 08 Jan 2014 14:42:45 +0100	[thread overview]
Message-ID: <52CD55D5.6020703@free-electrons.com> (raw)
In-Reply-To: <201401081352.57361.arnd@arndb.de>

On 08/01/2014 13:52, Arnd Bergmann wrote:
> On Tuesday 07 January 2014, Gregory CLEMENT wrote:
> 
>>  static void __init armada_370_xp_dt_init(void)
>>  {
>> +       i2c_quirk();
>>         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
>>  }
> 
> I'd prefer to enable the quirk only on machines that we know may be affected, i.e.
> OpenBlocks AX3-4. That would make it easier in the future for everyone to figure
> out whether they need to include the quirk in their kernels or not, depending
> on whether they want to support these machines. Just a precaution in case we
> end up having lots of quirks in the long run.

You means something like the following code ?

static void __init armada_370_xp_dt_init(void)
 {
+       if (of_machine_is_compatible("plathome,openblocks-ax3-4"))
+               i2c_quirk();
        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }




> 
> 	Arnd
> --
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> 


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

  reply	other threads:[~2014-01-08 13:42 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-07 16:35 [PATCH v4 0/3] Fix i2c bus hang on A0 version of the Armada XP SoCs Gregory CLEMENT
2014-01-07 16:35 ` [PATCH v4 1/3] ARM: mvebu: Add support to get the ID and the revision of a SoC Gregory CLEMENT
2014-01-08 12:55   ` Arnd Bergmann
2014-01-08 14:16     ` Gregory CLEMENT
2014-01-07 16:35 ` [PATCH v4 2/3] ARM: mvebu: Add quirk for i2c Gregory CLEMENT
2014-01-07 18:38   ` Jason Gunthorpe
2014-01-07 23:06     ` Wolfram Sang
2014-01-08 10:15       ` Gregory CLEMENT
2014-01-08 11:29         ` Wolfram Sang
2014-01-08 13:03           ` Gregory CLEMENT
2014-01-08 13:39             ` Wolfram Sang
2014-01-08 13:45               ` Arnd Bergmann
2014-01-08 14:10                 ` Gregory CLEMENT
2014-01-08 14:07               ` Gregory CLEMENT
2014-01-09 14:39                 ` Gregory CLEMENT
2014-01-08 12:52   ` Arnd Bergmann
2014-01-08 13:42     ` Gregory CLEMENT [this message]
2014-01-08 13:44       ` Arnd Bergmann
2014-01-07 16:35 ` [PATCH v4 3/3] i2c: mv64xxx: Fix bus hang on A0 version of the Armada XP SoCs Gregory CLEMENT
2014-01-07 22:17   ` Thomas Petazzoni

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