Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   vishnu <vravulap@amd.com>
To:     Mark Brown <broonie@kernel.org>,
        "Deucher, Alexander" <Alexander.Deucher@amd.com>
CC:     "RAVULAPATI, VISHNU VARDHAN RAO" 
        <Vishnuvardhanrao.Ravulapati@amd.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.com>,
        "Mukunda, Vijendar" <Vijendar.Mukunda@amd.com>,
        Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@amd.com>,
        Colin Ian King <colin.king@canonical.com>,
        Dan Carpenter <dan.carpenter@oracle.com>,
        "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <alsa-devel@alsa-project.org>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/7] ASoC: amd: No need PCI-MSI interrupts
Thread-Topic: [PATCH 1/7] ASoC: amd: No need PCI-MSI interrupts
Thread-Index: AQHVd/NK02/86+8bwUqA0+UYmDRNb6dGCguAgAABq4CAGVYTgA==
Date:   Thu, 17 Oct 2019 09:31:27 +0000
Message-ID: <88852f59-477f-59ef-8f6e-559f987022a1@amd.com>
References: <1569891524-18875-1-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com>
 <BN6PR12MB18093C8EDE60811B3D917DEAF79D0@BN6PR12MB1809.namprd12.prod.outlook.com>
 <20191001172941.GC4786@sirena.co.uk>
In-Reply-To: <20191001172941.GC4786@sirena.co.uk>
Accept-Language: en-GB, en-US
Content-Language: en-US
x-ms-exchange-messagesentrepresentingtype: 1
x-originating-ip: [165.204.159.251]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 11394baf-2bb5-45d5-7159-08d752e4c92e
x-ms-office365-filtering-ht: Tenant
x-ms-traffictypediagnostic: DM6PR12MB2889:
x-ms-exchange-transport-forked: True
x-microsoft-antispam-prvs: <DM6PR12MB28893D426A25F12EB31781EEE76D0@DM6PR12MB2889.namprd12.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:8882;
x-forefront-prvs: 01930B2BA8
x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(346002)(136003)(376002)(366004)(39860400002)(396003)(199004)(189003)(6506007)(76176011)(66066001)(8676002)(14454004)(66556008)(66476007)(31686004)(66946007)(66446008)(64756008)(102836004)(81156014)(81166006)(4744005)(25786009)(7736002)(386003)(53546011)(316002)(6636002)(305945005)(478600001)(99286004)(5660300002)(31696002)(36756003)(52116002)(71190400001)(71200400001)(186003)(2906002)(26005)(54906003)(110136005)(11346002)(486006)(446003)(6246003)(476003)(4326008)(2616005)(8936002)(229853002)(6486002)(6116002)(3846002)(6436002)(6512007)(256004);DIR:OUT;SFP:1101;SCL:1;SRVR:DM6PR12MB2889;H:DM6PR12MB3868.namprd12.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1;
received-spf: None (protection.outlook.com: amd.com does not designate
 permitted sender hosts)
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: r3DLhRaI67eUdMhjLzeQpTZZuhOrQobL3hlbv7/5/L668wI7/JTpUaX3VgKlM/zAqrLR1OB05J4XR76uA/VTUOTKUubc60hZFe9oB6qWy6oy1H1ALVAgTBzBGM09Ob/IyRGUcKl5RstKlHNZbzSNkGjojk8sT+hsbeq62FGDb4sl7R69IV9LwpwkDBRcQqJ1oLcm0ZEO90o0llQDntQitp+VWFB3muib8ym13OZvF0gG3ZAhUH0SEeOQH/Q/ETnrHub4s5C8dK3SdDiqCsBNrGXnx/af9Kn9xmiiBAgmZjElUTEd+/PmRwIM6G49y62qjIQ5uQXx3LfoZ1yKO2Z0fBPnlI8t+w9HQKAF3G3e/07NmMOoWvLH0LBhlaSGMqpeWJt4sQIR/y/vL7uOO5y84i9P2GnOFH0ygtaSHTvdLXc=
Content-Type: text/plain; charset="Windows-1252"
Content-ID: <B2688D0F3331A44F8F513ACF4C12B497@namprd12.prod.outlook.com>
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: amd.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 11394baf-2bb5-45d5-7159-08d752e4c92e
X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Oct 2019 09:31:27.8818
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: yblcpDkHn9iBnrbVooI0QywtbWY1KbqwlLcMUwPyM5I0VNoPZ1fIS9Oiej3F40sGd6nJkoZ3zgWJ+smZdGASzg==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB2889
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org


On 01/10/19 10:59 PM, Mark Brown wrote:
> On Tue, Oct 01, 2019 at 05:23:43PM +0000, Deucher, Alexander wrote:
>=20
>>> ACP-PCI controller driver does not depends msi interrupts.
>>> So removed msi related pci functions which have no use and does not imp=
act
>>> on existing functionality.
>=20
>> In general, however, aren't MSIs preferred to legacy interrupts?
>=20
> As I understand it.  Or at the very least I'm not aware of any situation
> where they're harmful.  It'd be good to have a clear explanation of why
> we're removing the support.
>=20
>> Doesn't the driver have to opt into MSI support?  As such, won't
>> removing this code effectively disable MSI support?
>=20
> Yes.
>=20
Hi Mark,

Any further updates on this patch.

Regards,
Vishnu