From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 78C29CD98F2 for ; Mon, 22 Jun 2026 12:26:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version: Content-Transfer-Encoding:Content-Type:In-Reply-To:From:References:Cc:To: Subject:Date:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lAwNolHbKVPrV/vuIaVUYafaXZfUGEk40LFWQPRf1C0=; b=J3wYiQy44vVP1DaK9ysNU0bRbR ZtO2RAd2oNS4hevcX5BW5BBj6Ianr3JUwK5Ilxn93xARbUp+5D0+YD4EyYpCSpxXScjratiyg0fRG kqAoYkkpWbLJIsqphc+CoY43LvigD5ri71qKHEh1TaZnf3+M75UYK5nnD136VxStKE6ejSmeELVO8 puSoDc8IWfIFpy32ZamvQ44FtI5idQr84/78PCLzlspHp/xyJxyjfdLX8zH8aYBe9G5TpmOtT+1t2 RBpA/GOV7aSsyIKxOcsBUWl7XTwkDQFhkefmTpM5fJuFoNJJHnKgu5nbWUiRXqxVfogg3o/LcJZl7 YeXVDLnA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wbdjB-00000004xit-2UUM; Mon, 22 Jun 2026 12:26:13 +0000 Received: from mail-westusazon11012004.outbound.protection.outlook.com ([52.101.43.4] helo=SJ2PR03CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wbdj7-00000004xhn-3wS5 for linux-arm-kernel@lists.infradead.org; Mon, 22 Jun 2026 12:26:11 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=G1TVgfuNpqnFfad7dqLIh543jm/RiSyxIy6FT+7i0CjdMcSu5DAp1zoAoefUNb/6HFmkX0BD3gbM4HekwX7uDMjG2Ji1kJiUQeI8BMI9f3gl5pVTyqSA+8Kgx4WNBQ4dRkzeoNDt2I3h1G8xhkpmS3huWc7OTCcMJkd51W+q49atqmPmTKApbjOrNBLXff9Y0TQnlWj4I+JOVwKjlF5RtmHSIpEnBnSvzouba+la08Ad1mSOqZ8noN2HNPzn1sjf/tKYl89gVpwyXtX+YI5TsJQBaM3qY0WY12F+/gXcmCDOl7eVYJ+/1djP4rY+w3BSy6bPw+9g4HFYGahkEnaxTA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=lAwNolHbKVPrV/vuIaVUYafaXZfUGEk40LFWQPRf1C0=; b=HPT2z/ym4Imy77cZCFewV4WDhpTa/YNEs6rzrsY0yw/ZfAKUmvnv5CDrOSiQzJwkgt9mEC/YHWzlYfMGjoQTEnhkVixhexk5bxOQAV2Vp40Txq7kAvnZWr66/m3PuR4w9zZ8jR4/HVKUaNbHanL9GPklei2g2TcfLMt+/1YA4YXRdpbMEqAg5GS5y2negfZ7+qo/zAEEn4cv53JUPzitLa6zl6RMsr57f+K7kj9SDbaP+0gjF4g4vl3s1AoacVBZTwnkJnvf0oBorHn87sEUL3yQZoOsGaRnUQY09WBXcvCai+BIBZSJlY0ZzfZnXQtwe7t8wD5zTor+Wl7n4ynrCA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=lAwNolHbKVPrV/vuIaVUYafaXZfUGEk40LFWQPRf1C0=; b=nnbVQeSth6bYJCCQxnLH/nDhUOzPRXSgTfGC1XCI8CZpVl8RY6fNyDmgtvQn9cYfYv8KdirI28TCc+z//hvpqOxCw5OypcM3RKnqrCqXxQCMvC4WClwrK3p6MFG//7LXltmr/GYg+2cJ3fYV52XH9Q57HUXgy6A2x6cddwziRrk= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from LV5PR12MB9779.namprd12.prod.outlook.com (2603:10b6:408:301::14) by MW3PR12MB4396.namprd12.prod.outlook.com (2603:10b6:303:59::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.139.20; Mon, 22 Jun 2026 12:26:00 +0000 Received: from LV5PR12MB9779.namprd12.prod.outlook.com ([fe80::8ac8:e862:8ae9:9287]) by LV5PR12MB9779.namprd12.prod.outlook.com ([fe80::8ac8:e862:8ae9:9287%3]) with mapi id 15.21.0139.018; Mon, 22 Jun 2026 12:26:00 +0000 Message-ID: <4a4e518a-61e6-4beb-aaeb-5056fbe2a07a@amd.com> Date: Mon, 22 Jun 2026 14:25:52 +0200 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] remoteproc: xlnx: refactor start & stop ops To: Tanmay Shah , andersson@kernel.org, mathieu.poirier@linaro.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org References: <20260619163854.410392-1-tanmay.shah@amd.com> Content-Language: en-US From: Michal Simek Autocrypt: addr=michal.simek@amd.com; keydata= xsFNBFFuvDEBEAC9Amu3nk79+J+4xBOuM5XmDmljuukOc6mKB5bBYOa4SrWJZTjeGRf52VMc howHe8Y9nSbG92obZMqsdt+d/hmRu3fgwRYiiU97YJjUkCN5paHXyBb+3IdrLNGt8I7C9RMy svSoH4WcApYNqvB3rcMtJIna+HUhx8xOk+XCfyKJDnrSuKgx0Svj446qgM5fe7RyFOlGX/wF Ae63Hs0RkFo3I/+hLLJP6kwPnOEo3lkvzm3FMMy0D9VxT9e6Y3afe1UTQuhkg8PbABxhowzj SEnl0ICoqpBqqROV/w1fOlPrm4WSNlZJunYV4gTEustZf8j9FWncn3QzRhnQOSuzTPFbsbH5 WVxwDvgHLRTmBuMw1sqvCc7CofjsD1XM9bP3HOBwCxKaTyOxbPJh3D4AdD1u+cF/lj9Fj255 Es9aATHPvoDQmOzyyRNTQzupN8UtZ+/tB4mhgxWzorpbdItaSXWgdDPDtssJIC+d5+hskys8 B3jbv86lyM+4jh2URpnL1gqOPwnaf1zm/7sqoN3r64cml94q68jfY4lNTwjA/SnaS1DE9XXa XQlkhHgjSLyRjjsMsz+2A4otRLrBbumEUtSMlPfhTi8xUsj9ZfPIUz3fji8vmxZG/Da6jx/c a0UQdFFCL4Ay/EMSoGbQouzhC69OQLWNH3rMQbBvrRbiMJbEZwARAQABzSlNaWNoYWwgU2lt ZWsgKEFNRCkgPG1pY2hhbC5zaW1la0BhbWQuY29tPsLBlAQTAQgAPgIbAwULCQgHAgYVCgkI CwIEFgIDAQIeAQIXgBYhBGc1DJv1zO6bU2Q1ajd8fyH+PR+RBQJn8lwDBQkaRgbLAAoJEDd8 fyH+PR+RCNAP/iHkKbpP0XXfgfWqf8yyrFHjGPJSknERzxw0glxPztfC3UqeusQ0CPnbI85n uQdm5/zRgWr7wi8H2UMqFlfMW8/NH5Da7GOPc26NMTPA2ZG5S2SG2SGZj1Smq8mL4iueePiN x1qfWhVm7TfkDHUEmMAYq70sjFcvygyqHUCumpw36CMQSMyrxyEkbYm1NKORlnySAFHy2pOx nmXKSaL1yfof3JJLwNwtaBj76GKQILnlYx9QNnt6adCtrZLIhB3HGh4IRJyuiiM0aZi1G8ei 2ILx2n2LxUw7X6aAD0sYHtNKUCQMCBGQHzJLDYjEyy0kfYoLXV2P6K+7WYnRP+uV8g77Gl9a IuGvxgEUITjMakX3e8RjyZ5jmc5ZAsegfJ669oZJOzQouw/W9Qneb820rhA2CKK8BnmlkHP+ WB5yDks3gSHE/GlOWqRkVZ05sUjVmq/tZ1JEdOapWQovRQsueDjxXcMjgNo5e8ttCyMo44u1 pKXRJpR5l7/hBYWeMlcKvLwByep+FOGtKsv0xadMKr1M6wPZXkV83jMKxxRE9HlqWJLLUE1Q 0pDvn1EvlpDj9eED73iMBsrHu9cIk8aweTEbQ4bcKRGfGkXrCwle6xRiKSjXCdzWpOglNhjq 1g8Ak+G+ZR6r7QarL01BkdE2/WUOLHdGHB1hJxARbP2E3l46zsFNBFFuvDEBEACXqiX5h4IA 03fJOwh+82aQWeHVAEDpjDzK5hSSJZDE55KP8br1FZrgrjvQ9Ma7thSu1mbr+ydeIqoO1/iM fZA+DDPpvo6kscjep11bNhVa0JpHhwnMfHNTSHDMq9OXL9ZZpku/+OXtapISzIH336p4ZUUB 5asad8Ux70g4gmI92eLWBzFFdlyR4g1Vis511Nn481lsDO9LZhKyWelbif7FKKv4p3FRPSbB vEgh71V3NDCPlJJoiHiYaS8IN3uasV/S1+cxVbwz2WcUEZCpeHcY2qsQAEqp4GM7PF2G6gtz IOBUMk7fjku1mzlx4zP7uj87LGJTOAxQUJ1HHlx3Li+xu2oF9Vv101/fsCmptAAUMo7KiJgP Lu8TsP1migoOoSbGUMR0jQpUcKF2L2jaNVS6updvNjbRmFojK2y6A/Bc6WAKhtdv8/e0/Zby iVA7/EN5phZ1GugMJxOLHJ1eqw7DQ5CHcSQ5bOx0Yjmhg4PT6pbW3mB1w+ClAnxhAbyMsfBn XxvvcjWIPnBVlB2Z0YH/gizMDdM0Sa/HIz+q7JR7XkGL4MYeAM15m6O7hkCJcoFV7LMzkNKk OiCZ3E0JYDsMXvmh3S4EVWAG+buA+9beElCmXDcXPI4PinMPqpwmLNcEhPVMQfvAYRqQp2fg 1vTEyK58Ms+0a9L1k5MvvbFg9QARAQABwsF8BBgBCAAmAhsMFiEEZzUMm/XM7ptTZDVqN3x/ If49H5EFAmfyXCkFCRpGBvgACgkQN3x/If49H5GY5xAAoKWHRO/OlI7eMA8VaUgFInmphBAj fAgQbW6Zxl9ULaCcNSoJc2D0zYWXftDOJeXyVk5Gb8cMbLA1tIMSM/BgSAnT7As2KfcZDTXQ DJSZYWgYKc/YywLgUlpv4slFv5tjmoUvHK9w2DuFLW254pnUuhrdyTEaknEM+qOmPscWOs0R dR6mMTN0vBjnLUeYdy0xbaoefjT+tWBybXkVwLDd3d/+mOa9ZiAB7ynuVWu2ow/uGJx0hnRI LGfLsiPu47YQrQXu79r7RtVeAYwRh3ul7wx5LABWI6n31oEHxDH+1czVjKsiozRstEaUxuDZ jWRHq+AEIq79BTTopj2dnW+sZAsnVpQmc+nod6xR907pzt/HZL0WoWwRVkbg7hqtzKOBoju3 hftqVr0nx77oBZD6mSJsxM/QuJoaXaTX/a/QiB4Nwrja2jlM0lMUA/bGeM1tQwS7rJLaT3cT RBGSlJgyWtR8IQvX3rqHd6QrFi1poQ1/wpLummWO0adWes2U6I3GtD9vxO/cazWrWBDoQ8Da otYa9+7v0j0WOBTJaj16LFxdSRq/jZ1y/EIHs3Ysd85mUWXOB8xZ6h+WEMzqAvOt02oWJVbr ZLqxG/3ScDXZEUJ6EDJVoLAK50zMk87ece2+4GWGOKfFsiDfh7fnEMXQcykxuowBYUD0tMd2 mpwx1d8= In-Reply-To: <20260619163854.410392-1-tanmay.shah@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: VI1PR02CA0055.eurprd02.prod.outlook.com (2603:10a6:802:14::26) To LV5PR12MB9779.namprd12.prod.outlook.com (2603:10b6:408:301::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV5PR12MB9779:EE_|MW3PR12MB4396:EE_ X-MS-Office365-Filtering-Correlation-Id: f3227f4b-ded7-47b3-c0fc-08ded0596b3b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|23010399003|1800799024|22082099003|18002099003|11063799006|5023799004|56012099006|6133799003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV5PR12MB9779.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(23010399003)(1800799024)(22082099003)(18002099003)(11063799006)(5023799004)(56012099006)(6133799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?b25IdXFYaEx1cHJIaUVvZTRza3dnNkV3Q3VMK2N1RUl5V05MUHgyK2xjQlBY?= =?utf-8?B?cVBYVFJqRVhCOTZKSEN0cW1UeWdabzh3V1lRUitPOXNMRUczMUhOb25VdXRj?= =?utf-8?B?clNGMFF4YUgrNWY1Ulo5UXdOTjl4bXFGSkVsWkhGQkVQSVVhTVZPbG1sanNM?= =?utf-8?B?YUd6akRUSHZFVGlVMGx6RHVQNy9yVGhoR1FiSlRDL0R0TWVEYjVJRXR5dUtC?= =?utf-8?B?cmtEWlplbTlkbDJVZzZRbE9STmRtY2ZqNUs1Q1BjSHViMTlMQ0dNcDhXUUdm?= =?utf-8?B?M2s2UW9lKzAzNSttREgrRWlLTm1IT0tZSzl4bFdwaGVzcnJQUDJ6MUREMTdE?= =?utf-8?B?QUJObDFBb2lmTkJ0Yys4ZGg0WkkvTmFLUDlOQ0dsNEdHRWE2cE1CUVhUYUhT?= =?utf-8?B?UlFLNk96dFNDcm9JVVdDai9KK3czSHBFOWhkY3RNTzZ3cVJsc2xxNzl2MlJ1?= =?utf-8?B?QmlJRks1Nmo0dVV4c2VyMEtSYkhGQ0VDeDg5Rk9rRFkxemh5RUF3NlBCNzhR?= =?utf-8?B?U3IxUWNxcThKVCt3V1lkVE9KNkhkRGppK2FnZWR0NGZWb2Y4bjAram1tVGs4?= =?utf-8?B?dTNhMzJZY3V0TE9BcnlWVlNTdEZnL2pMT3lxdE9HMjV5eno3N1NlT2s2V21S?= =?utf-8?B?RGZZd3VuQzF6REhOM0Nod1ZtOHhnQzg5QllBUmN3MzFibmlUa2R5TjM1c0JT?= =?utf-8?B?RmlZSlc0R3YxbHFLZ0lyaGlBWkFUbXNFdVNsVkM4NDlTNm9MRU1Cd0Z3UG5Y?= =?utf-8?B?aE10b1RnL2YxNUVKbURyOEt3bmlGbmtUSXkvbUxQNTE5SkJhK1ViUVFTbk5C?= =?utf-8?B?d2IyTmRSem4weGh4UjhBOWVnbkdDejdHQVh4c0thMkV5c3pxemJ6QWZwdVBu?= =?utf-8?B?YjJoS3JCSWZpcHR0ZUk3WXJ2WWhhYlhmUFdOVmRpUnV2eDJIN09uVmx4ZHFI?= =?utf-8?B?UUgxZWxMenpJYVVGVTRXV3ZtSVkyODJpQWlRclI5L3ZnTUd4WXAyZEJSWjZL?= =?utf-8?B?cDdwUFNGb2lsMVhkT1pYK29kb1BTWlJhMi92QW5sVG5ScXhmdkpicHZ4MFRw?= =?utf-8?B?a1VFc29vVERsb2c5NzJlNjRnU2lWczJzazM0SXpOM0VBL2xGQytlRUtIOE03?= =?utf-8?B?ZXZ4ZmNSQmdNT3d1c1JMNG9OYUttZDhMYjk1S1JaYTFXMGtLcmlCY09mZ2tV?= =?utf-8?B?Wmk1aHRETDcyMTdaMmxTbTlzT1h0bmFIQndrMGlDczhoRE13N1VUUmMwRkNo?= =?utf-8?B?YkJCSCtaUmUyWWVSbWxWQS9uSENHc09FSFVrMmF4MWt3QXNtV1QwZituUlF5?= =?utf-8?B?dTQ3dEs1RSt6Mk96UkxxckpqZDZ4QWlHcW9ndUlWb3lkeWI0RGM4ZXd4RGs1?= =?utf-8?B?K2VNQ1l1YTBVS01aN1lpTjkzTlFTUWNicGhKd2QyOXowWVV2R09hTHh0Ulkx?= =?utf-8?B?U1NJaW1kMnhQRHNVQ1YyK3Vqdzd0WWNQRGVXdHF5L04rRHR0NlVMczVON3Zt?= =?utf-8?B?VVArbnNHa3d1WWlqRkt4YXhPNUdjeEJweFNJMmR4UnZiVWFzRTV3STlJbGF0?= =?utf-8?B?RmVFTVBxT0lzSlVkN1lzUEphRUJZMENTZkpCUmpyS1VGaEhSRThFUWtkT2ZX?= =?utf-8?B?dlBSVndxUEU4aDEyR3pQQTlodklpTFZMSUxJaWNiTGpLWldibWEyc0QwdGkw?= =?utf-8?B?Yk9UazNEZy9WODdRenFRUlZHSjVtbkM1ZzlVRmp4VGtOaUZKUndHVFRUUzdz?= =?utf-8?B?QWJFd2RCcUhuNFhXcUhTazU4N1c0VXpVajZJaWdJSXp4ZXAvc2NUWlRzR3lu?= =?utf-8?B?UHF1M1NYeHd5TXB3bDdnaHdZZ1k5ZndXNEtEUVhkUTNTOWx1WlVDWFBRZzY1?= =?utf-8?B?WHpnWHl3Z3JBODFaODRJMEVkTWsxVUZjZUxEbG4xbFB5eGV6aHZLd3FOWDhY?= =?utf-8?B?WHZLS1h1TGlpOExLQXFuWFArL29hdktkVFFuS0pON1NCVDMyTGIvZVZwVmhY?= =?utf-8?B?YXZsOFNaUjdtVGM5QnNGeG9hSDc3RG9CZ0MrY1QrS2tiemJjQ3lUaDg4a3cw?= =?utf-8?B?ejZnS3dLY3lTTWRaTTBpdEdjckdrUnNTN09KY3VmY1pwS0dpS29vc2JwS2F5?= =?utf-8?B?RkJHMzdFbGZEaDh4NmpKNGhEWFM2MTBRaTlPQ2QxQ2FYMHk2ZkdpTllTNHU3?= =?utf-8?B?MDdHRTIwSjFXN21rbHRUYkExa2FkdGFrUlZiQkZvUzhhTWFkTHhIR3JOeFpR?= =?utf-8?B?RnRYL01YcDc4dExlU1RLWUlKMUUyL3F2MEpFUW9PV1ltd05hcWFOdnpxd20w?= =?utf-8?B?aisyYUFaaTM3ZE5lZXhzOVNDcGM1NllnQTdON1c3K1dGdHlRdndPUT09?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: f3227f4b-ded7-47b3-c0fc-08ded0596b3b X-MS-Exchange-CrossTenant-AuthSource: LV5PR12MB9779.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jun 2026 12:26:00.4609 (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: NIh4OFoSkBb/fMRPzE06cUJ3zmvw/3hh/+61QGj3XOCETF/JNZBfCj7rvkREggp9 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4396 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260622_052609_999929_32BFB5B3 X-CRM114-Status: GOOD ( 21.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 6/19/26 18:38, Tanmay Shah wrote: > Current _start and _stop ops are implemented using various APIs from the > platform management firmware driver. Instead provide respective RPU > start and stop API in the firmware driver and move the logic to interact > with the PM firmware in the firmware driver. The remoteproc driver doesn't > need to know actual logic, but only the final result i.e. RPU start/stop > was success or not. This refactor keeps the remoteproc driver simple and > moves firmware interaction logic to the firmware driver. > > Signed-off-by: Tanmay Shah > --- > drivers/firmware/xilinx/zynqmp.c | 93 +++++++++++++++++++++++++ > drivers/remoteproc/xlnx_r5_remoteproc.c | 68 ++---------------- > include/linux/firmware/xlnx-zynqmp.h | 12 ++++ > 3 files changed, 110 insertions(+), 63 deletions(-) > > diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c > index af838b2dc327..f9a3a95b0638 100644 > --- a/drivers/firmware/xilinx/zynqmp.c > +++ b/drivers/firmware/xilinx/zynqmp.c > @@ -1513,6 +1513,99 @@ int zynqmp_pm_request_wake(const u32 node, > } > EXPORT_SYMBOL_GPL(zynqmp_pm_request_wake); > > +/** > + * zynqmp_pm_start_rpu - Boot Real-time Processing Unit (Cortex-R) on SoC > + * > + * @node: power-domains id of the core > + * @bootaddr: Boot address of elf > + * > + * Return: status, either success or error+reason > + */ > +int zynqmp_pm_start_rpu(const u32 node, const u64 bootaddr) > +{ > + enum rpu_boot_mem bootmem; > + int ret; > + > + /* > + * The exception vector pointers (EVP) refer to the base-address of > + * exception vectors (for reset, IRQ, FIQ, etc). The reset-vector > + * starts at the base-address and subsequent vectors are on 4-byte > + * boundaries. > + * > + * Exception vectors can start either from 0x0000_0000 (LOVEC) or > + * from 0xFFFF_0000 (HIVEC) which is mapped in the OCM (On-Chip Memory) here > + * > + * Usually firmware will put Exception vectors at LOVEC. > + * > + * It is not recommend that you change the exception vector. > + * Changing the EVP to HIVEC will result in increased interrupt latency > + * and jitter. Also, if the OCM is secured and the Cortex-R5F processor > + * is non-secured, then the Cortex-R5F processor cannot access the > + * HIVEC exception vectors in the OCM. > + */ > + bootmem = (bootaddr >= 0xFFFC0000) ? and here you have different values without any explanation why. The rest looks good to me. It is a step in a right direction. Thanks, Michal