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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31185C433DB for ; Fri, 5 Mar 2021 09:37:29 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B7A8764F76 for ; Fri, 5 Mar 2021 09:37:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B7A8764F76 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=gXYNaV1LMI0VDqaEKxe5eqMWGx5t8kUnvUlyDAk88Nw=; b=U3LlxIgG+IBFtwn+Y4oZWP8YP ozrotuAuFl3dM/mygSaCW/yc8Zl6dHFlvxzx/KwU8CVzyKTvqOjNfPyMbMqRpZkbdGc5JXql2EnXB u5mBsiLt2MEw721ouO9QjPi9OIwBN/SJAS7StmEY6xIQbKCYmvAkJtRNnjXyxnHowRBE2Ey1NxCSu eMn+mXzlecEs+lZ6nrbAdQMBKuP52MDw8avhKSaj2nPQ1v1YE92geLw40UqP4hVJfub2gZ9mXBzk2 J2w2CKjEtm8rJNru4T1qJSWyi/PGh3Uzlv6ZTuX+u1LtaooQDREhO4ruCK9ZL8gqUz4QhpaCHx5WZ TbAHzjILA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lI6sI-00EJEM-3s; Fri, 05 Mar 2021 09:35:58 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lI6sA-00EJDD-IL; Fri, 05 Mar 2021 09:35:52 +0000 Received: from [IPv6:2a01:e0a:4cb:a870:b9e2:e9f:d661:5a2f] (unknown [IPv6:2a01:e0a:4cb:a870:b9e2:e9f:d661:5a2f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 79EF21F468C5; Fri, 5 Mar 2021 09:35:47 +0000 (GMT) Subject: Re: [PATCH v3 0/5] Reset driver for IMX8MQ VPU hardware block To: Philipp Zabel , robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, ezequiel@collabora.com, mchehab@kernel.org, gregkh@linuxfoundation.org Cc: kernel@pengutronix.de, linux-imx@nxp.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devel@driverdev.osuosl.org, kernel@collabora.com References: <20210301151754.104749-1-benjamin.gaignard@collabora.com> <2d55ad69-9b93-ab0e-04af-cd775cc9248b@collabora.com> From: Benjamin Gaignard Message-ID: Date: Fri, 5 Mar 2021 10:35:44 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210305_093550_806763_AF4C0416 X-CRM114-Status: GOOD ( 31.34 ) 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: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CkxlIDAzLzAzLzIwMjEgw6AgMTc6MjUsIFBoaWxpcHAgWmFiZWwgYSDDqWNyaXTCoDoKPiBPbiBX ZWQsIDIwMjEtMDMtMDMgYXQgMTY6MjAgKzAxMDAsIEJlbmphbWluIEdhaWduYXJkIHdyb3RlOgo+ PiBMZSAwMy8wMy8yMDIxIMOgIDE1OjE3LCBQaGlsaXBwIFphYmVsIGEgw6ljcml0IDoKPj4+IEhp IEJlbmphbWluLAo+Pj4KPj4+IE9uIE1vbiwgMjAyMS0wMy0wMSBhdCAxNjoxNyArMDEwMCwgQmVu amFtaW4gR2FpZ25hcmQgd3JvdGU6Cj4+Pj4gVGhlIHR3byBWUFVzIGluc2lkZSBJTVg4TVEgc2hh cmUgdGhlIHNhbWUgY29udHJvbCBibG9jayB3aGljaCBjYW4gYmUgc2VlCj4+Pj4gYXMgYSByZXNl dCBoYXJkd2FyZSBibG9jay4KPj4+IFRoaXMgaXNuJ3QgYSByZXNldCBjb250cm9sbGVyIHRob3Vn aC4gVGhlIGNvbnRyb2wgYmxvY2sgYWxzbyBjb250YWlucwo+Pj4gY2xvY2sgZ2F0ZXMgb2Ygc29t ZSBzb3J0IGFuZCBhIGZpbHRlciByZWdpc3RlciBmb3IgdGhlIGZlYXR1cmVzZXQgZnVzZXMuCj4+ PiBUaG9zZSBzaG91bGRuJ3QgYmUgbWFuaXB1bGF0ZWQgdmlhIHRoZSByZXNldCBBUEkuCj4+IFRo ZXkgYXJlIGFsbCBwYXJ0IG9mIHRoZSBjb250cm9sIGJsb2NrIGFuZCBvZiB0aGUgcmVzZXQgcHJv Y2VzcyBmb3IgdGhpcwo+PiBoYXJkd2FyZSB0aGF0IHdoeSBJIHB1dCB0aGVtIGhlcmUuIEkgZ3Vl c3MgaXQgaXMgYm9yZGVyIGxpbmUgOi0pCj4gSSdtIHB1c2hpbmcgYmFjayB0byBrZWVwIHRoZSBy ZXNldCBjb250cm9sIGZyYW1ld29yayBmb2N1c2VkIG9uCj4gY29udHJvbGxpbmcgcmVzZXQgbGlu ZXMuIEV2ZXJ5IHNpZGUgZWZmZWN0IChzdWNoIGFzIHRoZSBhc3ltbWV0cmljIGNsb2NrCj4gdW5n YXRpbmcpIGluIGEgcmFuZG9tIGRyaXZlciBtYWtlcyBpdCBoYXJkZXIgdG8gcmVhc29uIGFib3V0 IGJlaGF2aW91cgo+IGF0IHRoZSBBUEkgbGV2ZWwsIGFuZCB0byByZXZpZXcgcGF0Y2hlcyBmb3Ig aGFyZHdhcmUgSSBhbSBub3QgZmFtaWxpYXIKPiB3aXRoLgo+Cj4+Pj4gSW4gb3JkZXIgdG8gYmUg YWJsZSB0byBhZGQgdGhlIHNlY29uZCBWUFUgKGZvciBIRUNWIGRlY29kaW5nKSBpdCB3aWxsIGJl Cj4+Pj4gbW9yZSBoYW5keSBpZiB0aGUgYm90aCBWUFUgZHJpdmVycyBpbnN0YW5jZSBkb24ndCBo YXZlIHRvIHNoYXJlIHRoZQo+Pj4+IGNvbnRyb2wgYmxvY2sgcmVnaXN0ZXJzLiBUaGlzIGxlYWQg dG8gaW1wbGVtZW50IGl0IGFzIGFuIGluZGVwZW5kIHJlc2V0Cj4+Pj4gZHJpdmVyIGFuZCB0byBj aGFuZ2UgdGhlIFZQVSBkcml2ZXIgdG8gdXNlIGl0Lgo+Pj4gV2h5IG5vdCBzd2l0Y2ggdG8gYSBz eXNjb24gcmVnbWFwIGZvciB0aGUgY29udHJvbCBibG9jaz8gVGhhdCBzaG91bGQKPj4+IGFsc28g YWxsb3cgdG8ga2VlcCBiYWNrd2FyZHMgY29tcGF0aWJpbGl0eSB3aXRoIHRoZSBvbGQgYmluZGlu ZyB3aXRoCj4+PiBtaW5pbWFsIGVmZm9ydC4KPj4gSSB3aWxsIGdpdmUgYSB0cnkgaW4gdGhpcyBk aXJlY3Rpb24uCj4gVGhhbmsgeW91Lgo+Cj4+Pj4gUGxlYXNlIG5vdGUgdGhhdCB0aGlzIHNlcmll cyBicmVhayB0aGUgY29tcGF0aWJpbGl0eSBiZXR3ZWVuIHRoZSBEVEIgYW5kCj4+Pj4ga2VybmVs LiBUaGlzIGJyZWFrIGlzIGxpbWl0ZWQgdG8gSU1YOE1RIFNvQyBhbmQgaXMgZG9uZSB3aGVuIHRo ZSBkcml2ZXIKPj4+PiBpcyBzdGlsbCBpbiBzdGFnaW5nIGRpcmVjdG9yeS4KPj4+IEkga25vdyBp biB0aGlzIGNhc2Ugd2UgYXJlIHByZXR0eSBzdXJlIHRoZXJlIGFyZSBubyB1c2VycyBvZiB0aGlz Cj4+PiBiaW5kaW5nIGV4Y2VwdCBmb3IgYSBzdGFnaW5nIGRyaXZlciwgYnV0IGl0IHdvdWxkIHN0 aWxsIGJlIG5pY2UgdG8ga2VlcAo+Pj4gc3VwcG9ydCBmb3IgdGhlIGRlcHJlY2F0ZWQgYmluZGlu ZywgdG8gYXZvaWQgdGhlIHJlcXVpcmVtZW50IG9mIHVwZGF0aW5nCj4+PiBrZXJuZWwgYW5kIERU IGluIGxvY2stc3RlcC4KPj4gSWYgSSB3YW50IHRvIHVzZSBhIHN5c2NvbiAob3IgYSByZXNldCkg dGhlIGRyaXZlciBtdXN0IG5vdCBpb3JlbWFwIHRoZSAiY3RybCIKPj4gcmVnaXN0ZXJzLiBJdCBt ZWFucyB0aGF0ICJjdHJsIiBoYXMgdG8gYmUgcmVtb3ZlZCBmcm9tIHRoZSBkcml2ZXIgcmVxdWVz dGVkCj4+IHJlZy1uYW1lcyAoaW14OG1xX3JlZ19uYW1lc1tdKS4gRG9pbmcgdGhhdCBicmVhayB0 aGUga2VybmVsL0RUIGNvbXBhdGliaWxpdHkuCj4+IFNvbWVob3cgc3lzY29uIGFuZCAiY3RybCIg YXJlIGV4Y2x1c2l2ZS4KPiBUaGUgd2F5IHRoZSBkcml2ZXIgaXMgc2V0IHVwIGN1cnJlbnRseSwg eWVzLiBZb3UgY291bGQgYWRkIGEgYml0IG9mCj4gcGxhdGZvcm0gc3BlY2lmaWMgcHJvYmUgY29k ZSwgdGhvdWdoLCB0aGF0IHdvdWxkIHNldCB1cCB0aGUgcmVnbWFwCj4gZWl0aGVyIGJ5IGNhbGxp bmcKPiAJc3lzY29uX3JlZ21hcF9sb29rdXBfYnlfcGhhbmRsZSgpOwo+IGZvciB0aGUgbmV3IGJp bmRpbmcsIG9yLCBpZiB0aGUgcGhhbmRsZSBpcyBub3QgYXZhaWxhYmxlLCBmYWxsIGJhY2sgdG8K PiAJcGxhdGZvcm1fZ2V0X3Jlc291cmNlX2J5bmFtZSguLi4sICJjdHJsIik7Cj4gCWRldm1faW9y ZW1hcF9yZXNvdXJjZSgpOwo+IAlkZXZtX3JlZ21hcF9pbml0X21taW8oKTsKPiBmb3IgdGhlIG9s ZCBiaW5kaW5nLgo+IFRoZSBhY3R1YWwgY29kZWMgLnJlc2V0IGFuZCB2YXJpYW50IC5ydW50aW1l X3Jlc3VtZSBvcHMgY291bGQgYmUKPiBpZGVudGljYWwgdGhlbi4KCkkgbWFkZSBpdCB3b3JrcyB3 aXRoIHN5c2NvbiBhbmQgeW91ciBwcm9wb3NhbC4KVGhlIG5leHQgdmVyc2lvbiBvZiB0aGUgcGF0 Y2hlcyB3aWxsIGJlIHdpdGhvdXQgcmVzZXQgYW5kIHdvbid0IGJyZWFrCkRUIGNvbXBhdGliaWxp dHkuCgpUaGFua3MgZm9yIHlvdXIgaGVscCwKQmVuamFtaW4KCj4KPiByZWdhcmRzCj4gUGhpbGlw cAo+CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51 eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVh ZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1h cm0ta2VybmVsCg==