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Mon, 5 Mar 2018 15:10:09 -0500 Received: from mail-by2nam03on0108.outbound.protection.outlook.com ([104.47.42.108]:44876 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752321AbeCEUKI (ORCPT ); Mon, 5 Mar 2018 15:10:08 -0500 From: Sasha Levin To: Mark Brown CC: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , Javier Martinez Canillas Subject: Re: [PATCH AUTOSEL for 4.9 111/219] ASoc: rt5645: Add OF device ID table Thread-Topic: [PATCH AUTOSEL for 4.9 111/219] ASoc: rt5645: Add OF device ID table Thread-Index: AQHTsz8G3m7zhT9nPUWUywJnKNOuCKPBdrOAgACeiIA= Date: Mon, 5 Mar 2018 20:09:29 +0000 Message-ID: <20180305200927.rdn35ktxxsnx2hu2@sasha-lappy> References: <20180303222716.26640-1-alexander.levin@microsoft.com> <20180303222716.26640-111-alexander.levin@microsoft.com> <20180305104203.GD8588@sirena.org.uk> In-Reply-To: <20180305104203.GD8588@sirena.org.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB1047;7:5fRZTmORWW770FsrUTphprdXTFH/ECB6j7EE4U1pPB8+juHk3+bwg40E2IkCkVwlFKUhrvKUksaGswRVl/GlZQDYn05Q48F9rKoaPFO0Cc8YYpw2LEExUYTQ9K/ao8/E7fASXb9c3wqLtJNV//L+a1XDInD3bZNzm8HYQplYDaCAtmRJfyQ8Lqb8LAYLYp1ptCO1ft7+e6LynvCvu7FqMvx2Cw7twR2Xxtln2De79CXW2c7vvaFnamUqXdYOhmPd;20:hcpEPeTFcx7AqbZxkNivDfsPR0+YyzxHeDiLoaebmVVIeUxmLoPbn4BcFNoLCE/Eu+2MeM0kq/VVBEBNWxTHiTc7+sGZKK6Domm3tCKAhIcad50uG0TQarTHwaY9cUyqjaySvBqT9OtLY+Rb5AvXbPvMfDaRWg+cJBKBB7aTiuc= x-ms-exchange-antispam-srfa-diagnostics: SOS; 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charset="us-ascii" Content-ID: <59F2CE3CB0A6DD44A4EBB79FD99F9934@namprd21.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 884c0868-bb0c-4f95-7113-08d582d500a4 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Mar 2018 20:09:29.2274 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1047 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Mon, Mar 05, 2018 at 10:42:03AM +0000, Mark Brown wrote: >On Sat, Mar 03, 2018 at 10:29:00PM +0000, Sasha Levin wrote: >> From: Javier Martinez Canillas >> >> [ Upstream commit 9ba2da5f5d18daaa365ab5426b05e16f1d114786 ] >> >> The driver doesn't have a struct of_device_id table but supported device= s >> are registered via Device Trees. This is working on the assumption that = a >> I2C device registered via OF will always match a legacy I2C device ID an= d >> that the MODALIAS reported will always be of the form i2c:. >> >> But this could change in the future so the correct approach is to have a= n >> OF device ID table if the devices are registered via OF. > >As the commit message itself says this is not fixing anything, it's >defence against future changes. I was under the impression that this refers to future HW changes rather than code, I'll drop all 3. Thanks! --=20 Thanks, Sasha=