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Thu, 1 Oct 2020 17:16:32 +0000 From: "Ertman, David M" To: Mark Brown Subject: RE: [PATCH 0/6] Ancillary bus implementation and SOF multi-client support Thread-Topic: [PATCH 0/6] Ancillary bus implementation and SOF multi-client support Thread-Index: AQHWl3ykvH7F12v7nEO6CAys49UIaKmCs/MAgAAVbICAAC0LEIAABhoAgAABkhA= Date: Thu, 1 Oct 2020 17:16:32 +0000 Message-ID: References: <20200930225051.889607-1-david.m.ertman@intel.com> <20201001125038.GC6715@sirena.org.uk> <20201001171022.GS6715@sirena.org.uk> In-Reply-To: <20201001171022.GS6715@sirena.org.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=intel.com; x-originating-ip: [50.38.47.144] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 11617326-d275-43db-8bd9-08d8662dbe2d x-ms-traffictypediagnostic: DM6PR11MB3884: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR11MB2841.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 11617326-d275-43db-8bd9-08d8662dbe2d X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Oct 2020 17:16:32.1913 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: wKkVbV/9xF740+48w6xfFBQTaDIa7d3AsqsMPFzIjRsJVuXyhGI6gDY1I9FMpQvVTOrQXCIumXqfFFTtYpKM7F2gaiMx/3yfTZNvC+8SUZk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR11MB3884 X-OriginatorOrg: intel.com Cc: "alsa-devel@alsa-project.org" , "tiwai@suse.de" , "gregkh@linuxfoundation.org" , "Sridharan, Ranjani" , Pierre-Louis Bossart , "parav@nvidia.com" , "jgg@nvidia.com" X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" > -----Original Message----- > From: Mark Brown > Sent: Thursday, October 1, 2020 10:10 AM > To: Ertman, David M > Cc: Pierre-Louis Bossart ; alsa- > devel@alsa-project.org; tiwai@suse.de; gregkh@linuxfoundation.org; > Sridharan, Ranjani ; parav@nvidia.com; > jgg@nvidia.com > Subject: Re: [PATCH 0/6] Ancillary bus implementation and SOF multi-clien= t > support >=20 > On Thu, Oct 01, 2020 at 04:50:26PM +0000, Ertman, David M wrote: >=20 > > > >> are controlled by DT/ACPI. The same argument applies for not using > MFD > > > >> in this scenario as it relies on individual function devices being > > > >> physical devices that are DT enumerated. >=20 > ... >=20 > > The MFD bus also uses parts of the platform bus in the background, > including > > platform_data and the such. We submitted a version of the RDMA/LAN > solution > > using MFD and it was NACK'd by GregKH. >=20 > That does not mean that it's a good idea to write documentation that > says things that are not true. It would be better to just not say > anything here rather than mislead people. I have removed the line about MFD devices requiring DT enumeration. -DaveE