Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Christophe Leroy <christophe.leroy@csgroup.eu>
To:     =?utf-8?B?UGFsaSBSb2jDoXI=?= <pali@kernel.org>,
        Michael Ellerman <mpe@ellerman.id.au>
CC:     "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Regression: Linux v5.15+ does not boot on Freescale P2020
Thread-Topic: Regression: Linux v5.15+ does not boot on Freescale P2020
Thread-Index: AQHYnarFcL6sKMJcmk+y5CiOp18nOa2MCX8AgAAG5QCAArLxgIAATEEAgAA6FYA=
Date:   Mon, 25 Jul 2022 16:20:49 +0000
Message-ID: <e2487668-b6d9-9ddb-1bb4-9f4d37fae1a7@csgroup.eu>
References: <20220722090929.mwhmxxdd7yioxqpz@pali>
 <6b227478-73b8-2a97-1c78-89570d928739@csgroup.eu>
 <20220723150702.jecerkhxhy65dgww@pali> <875yjld2oe.fsf@mpe.ellerman.id.au>
 <20220725125256.cg6su4d2ageylvp6@pali>
In-Reply-To: <20220725125256.cg6su4d2ageylvp6@pali>
Accept-Language: fr-FR, en-US
Content-Language: en-US
user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.11.0
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?dGxlZEdxQm5kbUhPQnZyblVTYkY2b1pMdVdwU1JKeFZjeEh1ald2MGp1b3ZW?=
 =?utf-8?B?eDNaUUhBOWJBajJRaTNzUTdUdzVCVlI4eUJiVHFWMjNoTXp0RDFLbGtkM2NT?=
 =?utf-8?B?NTJCU3h5V0h2L25haHNJQlBlbjgvWXpobUxuaTJWUXlscFhPNWQyd1NmT0t1?=
 =?utf-8?B?cG9MRVJGZDJBdTRycXRPVUpZNkNvSCtweVNzaUlRTjJGMmtON2dxQmJZakpi?=
 =?utf-8?B?RGhVU3VnVW1Ga09lTkZkK2dCZEVibUwzWGYwRTJXaWtoNDJ4elVZdGpYbGk0?=
 =?utf-8?B?eFczTDdDQU9RV0lUZ3IxVmt5YkY2b3Fua0x2YW9DamZYL3VDZ3pKeUxEcTlR?=
 =?utf-8?B?alV4YkZNekh2bXdsUkNrWGFlRXJmOWx5WTFWVUt3UWQzaDNXT0E3TUd2VEgy?=
 =?utf-8?B?TjVkZ3dpdFR5REk0RkdsT1h0WnFXdVlpRk0wYUEvN2J2OXJNVTZFVk52YitB?=
 =?utf-8?B?cXJYN2p2TnBqUUJhOHJKMmc1NFM4WmI2WGtKZTZINGJCTUJ5SFB0TkcvSzkz?=
 =?utf-8?B?ZXp3TUplU3RXcWUxRHNveko3SHlQRnpzbzg3ZS9rcWM2SUt5RnRNa2IxZk9r?=
 =?utf-8?B?MGQvYnh5MWdoWVpnZkVNY2VmZ3BFYUJHcXZwbjU4S2V3YW1ZUzhnMmRreWh1?=
 =?utf-8?B?aXdidlpxMHJqT1gwZGFyakV1TXdhYmRNdDRLM1BkWDdmakJpSUZnNDZIVy82?=
 =?utf-8?B?ZHpoZjVTK01SWXFUbW1WOUtzV2pzM0RHK3pnWGhNbDdLYnFka25XWWcxeWRy?=
 =?utf-8?B?M0lTdkp1bjFtd2dMeW83bldFMGl5bGVtTkovaGoxYW5PcHRGQ1p0S0llM2xz?=
 =?utf-8?B?NlpLM2YwTmpDSGgwVStoclRqaWIxRy82QTVGWGRKZ2gweDJJZVNGbnphOWwy?=
 =?utf-8?B?dnl5MDlld3l0a3ZOTytpekpkenRvNklvR25rQVZYQlhUVDZ4UWd0b3pDdXFu?=
 =?utf-8?B?SVJEd3ZPbm0zNjN2eStlQTgyZW1PaTNSV2FqOTlyUXRrazJ3aTl2dGZWVmhj?=
 =?utf-8?B?T2QrSFV2OW5jWkk0dHRmOTBOa1VTMmxqTGt1V1k1alR3WGluVUZVM3dhWVNX?=
 =?utf-8?B?NFpqUmJmR05oeDB4R3d4SDhQSTc0b3djWC9hUFU2clFFajVWSklxeWNqRDVG?=
 =?utf-8?B?MnJGTFQ2TWVFQkpKeHBtQ2VETFVaS0VOWDRFVHJwQVRqd2xqT0VwRnZhV3VK?=
 =?utf-8?B?N0c0c1llb2EzNlF3ZFVxYWFwTitrZXZ1ZEZUQUFlRW00aFplNFZkU2RRQzln?=
 =?utf-8?B?ejN3bUwvV2NrTXVmRFpYQ3NPT3ZDWk5pRnZHQUhqU05KcWEzWmVuVmNLYjJU?=
 =?utf-8?B?RU5BOENIZGZyRHBkWDhCUVorR3paWUl2cXZHOG9RQ1hDUDlzeDVBK05hSnhU?=
 =?utf-8?B?MEVGS2lLUTJpL1liQldZc3B5MVlUM1dxMWV0YWtwWk11VVFhVTJpa2RXdWdP?=
 =?utf-8?B?Z044WEJ5dUE1TGczUmpDdmV5WFRCN1BNSWV1T1kzMTNGRkVhbHFuVzQ3b1BG?=
 =?utf-8?B?ZlJUdXB3c0dvMWZNaGY4YWluZEkycGQvUS8vRndJUlJDSzQxRmxocUhnNThU?=
 =?utf-8?B?RWNvV3o1a09ad3k3NFN6UXpObWhiUXdUVFZlS0x0dkhabEJiWlFHY3h0V3Rp?=
 =?utf-8?B?eWNoS01sZmtZY1B4bVN0V2xUdDBIN0dLUncwRGpGejR3ai9mZXU1eWJjVnFp?=
 =?utf-8?B?NjdpUVJINlo3QUNEU2ViRVhUdGdjTXVoaEFjVVE1ZlRJVGVkSEZuMGphSHVq?=
 =?utf-8?B?ZzFZUWV6T29RVFlhSWJheG1NaU9tRzhDMzEydUZZRHp6NjlyYkNLc2JBTWtT?=
 =?utf-8?B?NnNudEFQLzFNSFRZakhVemNRUHVGVnNBKy9ISVdHWHBudEFQcHk1eW5rdVVP?=
 =?utf-8?B?TlltRHhHRXdvaUR3enJxcGxZQUZyR0tKZGtmN1B4ZUxsZUJUUFMzUXlFanIv?=
 =?utf-8?B?b0ZCM1cwTXVVb2dNVWZkRitDV0hWalcxaEZyVVV3anlPb3hUd0VUM3huS2tx?=
 =?utf-8?B?SmFBRHZCc01kMUhzaWV2bDNmcWNBd2xhMzhBV21tMjdzZzdpdjBvUmFiWnFF?=
 =?utf-8?B?N29mRWxVajRRSnd5c3NiYnNPWUtKZ1pBWnlZbkdncEtNdzlRM05ucnd2N2Rm?=
 =?utf-8?B?Z3Rtem5wVkp5S05tR1RrNldJTUZNTjBYMjVUVjJOenBvSTdscHBvUyt0UGxk?=
 =?utf-8?B?TUE9PQ==?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <FF74728681D4344E8D7BD01D2A9BE681@FRAP264.PROD.OUTLOOK.COM>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-OriginatorOrg: csgroup.eu
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM
X-MS-Exchange-CrossTenant-Network-Message-Id: 8c234b66-6254-4912-fe6f-08da6e59a316
X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Jul 2022 16:20:49.3371
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 9914def7-b676-4fda-8815-5d49fb3b45c8
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: JdsTPJmI9LNtWYaecSJj48qhnsrSR7F44BxVDR2fqTPEpqFg1UjIjVRwTxoDU/Ao2jC4KpG1TvZa1u2dZn1hdqfpmTs8qNWVr600IZkiYpE=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MR1P264MB2738
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,
        RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham
        autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
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