Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) client-ip=2620:137:e000::3:4;
From:   Roy Zang <roy.zang@nxp.com>
To:     Frank Li <frank.li@nxp.com>,
        "manivannan.sadhasivam@linaro.org" <manivannan.sadhasivam@linaro.org>
CC:     "bhelgaas@google.com" <bhelgaas@google.com>,
        "imx@lists.linux.dev" <imx@lists.linux.dev>,
        "kw@linux.com" <kw@linux.com>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
        "lpieralisi@kernel.org" <lpieralisi@kernel.org>,
        "M.H. Lian" <minghuan.lian@nxp.com>,
        Mingkai Hu <mingkai.hu@nxp.com>,
        "robh@kernel.org" <robh@kernel.org>
Subject: RE: [PATCH v5 1/4] PCI: layerscape: Add function pointer for
 exit_from_l2()
Thread-Topic: [PATCH v5 1/4] PCI: layerscape: Add function pointer for
 exit_from_l2()
Thread-Index: AQHaJHHl8qXN4QHKMUKMMe8ziEIho7CUpVJg
Date:   Fri, 1 Dec 2023 16:55:46 +0000
Message-ID: <AM0PR04MB595614CA6B295B42D4FDE7BE8B81A@AM0PR04MB5956.eurprd04.prod.outlook.com>
References: <20231201161712.1645987-1-Frank.Li@nxp.com>
 <20231201161712.1645987-2-Frank.Li@nxp.com>
In-Reply-To: <20231201161712.1645987-2-Frank.Li@nxp.com>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?m67En089Gr+FaMP4y+tKFkrU0v7w7+XW3PLJ67hfu6TSYq8zCkLVxVG1VI06?=
 =?us-ascii?Q?R5NDLJj0jZ0fnbbMX13RqSb1tstaz/VK9AvG7n7M2Iceo2P97v8XEU2UwHUs?=
 =?us-ascii?Q?4NlGp511eeH7IaG+uoEYqkJyCHPF6Iln87HhEX6Pdx84ra0/HSb2fWOqCVrR?=
 =?us-ascii?Q?x78izBCw1yIoxixvzAm2kZunvXXV5nlTjl88L7hFt0Ltl/dqLeWhd5JdbcAz?=
 =?us-ascii?Q?yKxYNVy17mkDFB8dz8/HHSios47ZjrgiI2hWhLnfB1WBM6xHAsjuQPKTKHqg?=
 =?us-ascii?Q?XEY/V5WEmExnjyiiPyiUpCws75hgf0QB0FhssQsSDxD58yI5iXYZIz61M+n3?=
 =?us-ascii?Q?spikWpDul0j+1bpHXkZjA2pMZmPpvSDEXW8cy9//2+XIfBSurSlUvtaHqXe+?=
 =?us-ascii?Q?wlNbAz3H83u24AVDFGawEOTy08G/+6pTOZbfGxeTPYrvYTU+lfiGnce1Zi06?=
 =?us-ascii?Q?EWEHwUxfu4EntS9oZX/gC7q0WwR8GEeX4h1ddD6PnnNDZBjb1UK07Gr1a9WK?=
 =?us-ascii?Q?52OewWLAczYf88NpDKj0jUByEn9vtBNxrBV3a1AUJ5XwZYOnFZcIzAlYBf//?=
 =?us-ascii?Q?pU/6ML2qru0IyhhQULX6SjXr2G8H5Ull8L/KGJBr3Mwby6MvSKwW3e0jJuUu?=
 =?us-ascii?Q?oOlniRexYU6cOpfoYp9QkPTFt0RoxvuDQVXOoqWubD5yJ6/B4kBWDJ6RYk2G?=
 =?us-ascii?Q?mqbeMAjdDqRDW/B7tdIzyxIyczESP9dcGXWr1afZFbCsAqdOSe2W+z2pkvFz?=
 =?us-ascii?Q?uNDYGKpjee5EpzAPd83/+vLcUUBwaIN5qCq2z/tuOQqTWv86wZ6tAAD5bhDa?=
 =?us-ascii?Q?+0LXx32E8Jxhpb39iwBQCcl0ULIzfkAJBbaxvIALrzkxmQMRQ2Z09SC36P7h?=
 =?us-ascii?Q?6IO5cUTMRml6IRLTHVS2oWcBsThOs6xOZvFyLmWYWa7/tWjIbNguHeil7ZYH?=
 =?us-ascii?Q?C0noAusR5sbZUpqV7O0zyEHNLZeVFmzOFFluqF9a71ptplGr5GD9bPgvA2a6?=
 =?us-ascii?Q?Hdv2wCC7IqGTkvdlTz0Pkev3ekG+vDQcsAALI9eR0HZdqYVTkjfNkEiPQIqb?=
 =?us-ascii?Q?7//0fSdcjcHapcKyrdogSjBk8r09vyZdJrvbRkdavfBvfBKHYrW9eQ6pW4HJ?=
 =?us-ascii?Q?dZatUOeEjxHRWnUqjaQUdjQkiEc/JFH8lUfN6mvwkUDTJ/WDppnINsdKKm1s?=
 =?us-ascii?Q?xWgOYBYeIhblvW+OnUU+ysLlnSV5d7AhLWuIRXCK6VX8BsJ78jfw3VPvML7M?=
 =?us-ascii?Q?mXe37JRMhZ23Y9+M4osqJ5+89TI7B+YFnkcJ06aZqJKNUaZHxw0pPWVBzzYr?=
 =?us-ascii?Q?oYGEdBJzz7P2nUv1wMYPy9XtH3t/Qymsxq8oTTzhmQrN2Fd//ud13VY6+FXc?=
 =?us-ascii?Q?5O0/o0qOXB7NhryiPIrAmFfs5ItcZXSM2gQe/5zftlceZwB4p9DUxvO//xdZ?=
 =?us-ascii?Q?D85FLwSPlMk5muRbaJpWTb716iVkwBtFhu0yDc/uut3Sfg4ZtRlmy+cCjUwL?=
 =?us-ascii?Q?K1Ewy4safidsfVkGXXOUYFBgFpVdRyAhKTOFG8JvA2SlRolNQqa7Rs3RD8Ex?=
 =?us-ascii?Q?Q443a5HjWzOSDFZe9+Q=3D?=
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: nxp.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5956.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 9940bcf4-54e2-4bc5-fd6e-08dbf28e5d51
X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Dec 2023 16:55:46.7579
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: viMTA3NYM2AHakJEoQGsHpq3dDDneH9I+xdLm9VF5DncT13Aomfdj7Trj43CeY6pBfzucc0kbtN8Bzzmt8nAuA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB10002
X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,
	DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,
	SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable
	autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Fri, 01 Dec 2023 08:56:05 -0800 (PST)

> From: Frank Li <frank.li@nxp.com>
> Subject: [PATCH v5 1/4] PCI: layerscape: Add function pointer for exit_fr=
om_l2()
>=20
> Since difference SoCs require different sequence for exiting L2, let's ad=
d a
> separate "exit_from_l2()" callback. This callback can be used to execute =
SoC
> specific sequence.
>=20
> Change ls_pcie_exit_from_l2() return value from void to int. Return error=
 if
> exit_from_l2() failure at exit resume flow.
>=20
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by:  Roy Zang <Roy.Zang@nxp.com>
Roy