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=-6.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 DC41DC00A89 for ; Mon, 2 Nov 2020 07:42:04 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 5950C21556 for ; Mon, 2 Nov 2020 07:42:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KjtluDvo"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Gnm0IN22" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5950C21556 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe :List-Id:In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=gPev50uZftZSUo2eXuHd/TGZMYmTYYcL3Et/i0y0bVg=; b=KjtluDvoXlZcmMZRkvPthtdnPd FWjsidVa8NX3L9mczy43zEQAE30tshY5/LwAc9PqgkX00jjRs+a62vSASLM69p4vMSjrcVuG6MY2z OrfKu/JB5CnMf5QgtMStx6aFXNrVUxYHW6/RYWMmo7GaLzVU9wZzc4/iNC8QwKE0jRFQTQV0aF1xi oq/Z1wyOYXTadE02wMNyi2hsvqITWQNGnTY7xjT++CKUXuS65N7gurFzEeQ8bGTw58mvq0pgHxBd0 20xfd6ng/qQm8zwdofU9C6MMVBt9pHD0LDvU8aJR28rvYsvm50wlMwP+K8xRZfHccmPqqbqzALir0 2RYjFO/g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZUSF-0000z9-Lj; Mon, 02 Nov 2020 07:40:39 +0000 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZUS5-0000vN-K7 for linux-arm-kernel@lists.infradead.org; Mon, 02 Nov 2020 07:40:32 +0000 Received: by mail-wr1-x443.google.com with SMTP id a9so13302383wrg.12 for ; Sun, 01 Nov 2020 23:40:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=JcNsFLDcJifqW2TmFCiM0Mi6G4i3HEN+HM9WVUKwPPE=; b=Gnm0IN22SDhAVMECNrqxChBq8eWkA2eoQdLg2YCfG3jA9fBR31DppXYHzDuVBwANAo C33rBi6kC/AWE4y4eX7pAE7sSVyEB66XhtB1nmL0H2qTuU4beYLC4WJPwHjiftna1rhy EfREEOlP1rOHDfrRwyxgrO3KI9IrcMnKbNkrynwseXoxMDTJyuh4nF07K+BpL0/2pZLY ykhlr34Vnpxo0LmbiUVlJTHhjIMY+LLnlwy6eQWwJczb3fSZLDgnwGIZ9X2gPKxgeDSC eJ15AO8lHjtleQ7QA4QxRZ4SRNU/h+mobZXYsENpC8PTFcdo9ChlHuF2iDMm9J34+QyO Lx/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=JcNsFLDcJifqW2TmFCiM0Mi6G4i3HEN+HM9WVUKwPPE=; b=qz3VCi+qRarUJ+DlrLjvYagl5ga7wZ+HjABfm87PWOJuvuuJ+s2SHb5pu+9cLZojHB Vw/hC5P1bjHMLnAIU7PZCcdpoM9Gaqah+NFGH1RMMGLSqnK+qY3TaZ8GL7TWvSi7Wyrm 2C3IrH8uzo64jDCQrH5+QLdyUXFLSUdyyUB3kEwjY5VIHzFxQfg/UQfv5x33u0vhSQJ8 TlDqYJ9PlEualsTLk1j08+/MABoSYh5SLXgxd8vikxwYhU427fN7i9RSJcRj7t9MOftb uSWODqiZRZG7BxoGDf2zmLCYFcxUVmGtsu6NOJ/XuzivcogiUu0+LyBOFbBeSzZgBlsg 4jaw== X-Gm-Message-State: AOAM532JeLs1z86vlvb4fSIljSBlpuQAvkhNMJZNl1inPvNmG6YZRDOA 4dq8HK+qc0KCNzMEXTWBsqs= X-Google-Smtp-Source: ABdhPJx8QmBps0mhWVA1sWkDw8w2XB5SsAkrC8PyBwvCbl9mJTdKaWuwZ+9m4mSeHud0SHoKkkbZFg== X-Received: by 2002:adf:f841:: with SMTP id d1mr18628938wrq.297.1604302824591; Sun, 01 Nov 2020 23:40:24 -0800 (PST) Received: from Red ([2a01:cb1d:3d5:a100:264b:feff:fe03:2806]) by smtp.googlemail.com with ESMTPSA id n4sm5431058wrv.13.2020.11.01.23.40.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Nov 2020 23:40:24 -0800 (PST) Date: Mon, 2 Nov 2020 08:40:22 +0100 From: Corentin Labbe To: =?utf-8?Q?Ond=C5=99ej?= Jirman , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , mripard@kernel.org, wens@csie.org, broonie@kernel.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [BUG] Error applying setting, reverse things back on lot of devices Message-ID: <20201102074022.GA6928@Red> References: <20201021183149.GA8436@Red> <20201023134201.GA533@Red> <20201023203943.GA21435@Red> <20201024115307.GA2745@qmqm.qmqm.pl> <20201101013115.espxyxbnqgj3j4tg@core.my.home> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201101013115.espxyxbnqgj3j4tg@core.my.home> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201102_024030_043662_36BD7593 X-CRM114-Status: GOOD ( 26.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gU3VuLCBOb3YgMDEsIDIwMjAgYXQgMDI6MzE6MTVBTSArMDEwMCwgT25kxZllaiBKaXJtYW4g d3JvdGU6Cj4gSGVsbG8gTWljaGHFgiwKPiAKPiBPbiBTYXQsIE9jdCAyNCwgMjAyMCBhdCAwMTo1 MzowN1BNICswMjAwLCBNaWNoYcWCIE1pcm9zxYJhdyB3cm90ZToKPiA+IE9uIEZyaSwgT2N0IDIz LCAyMDIwIGF0IDEwOjM5OjQzUE0gKzAyMDAsIENvcmVudGluIExhYmJlIHdyb3RlOgo+ID4gPiBP biBGcmksIE9jdCAyMywgMjAyMCBhdCAwMzo0MjowMVBNICswMjAwLCBDb3JlbnRpbiBMYWJiZSB3 cm90ZToKPiA+ID4gPiBPbiBXZWQsIE9jdCAyMSwgMjAyMCBhdCAwODozMTo0OVBNICswMjAwLCBD b3JlbnRpbiBMYWJiZSB3cm90ZToKPiA+ID4gPiA+IFsgICAgNS43OTY1ODVdIGRjZGM0OiBzdXBw bGllZCBieSByZWd1bGF0b3ItZHVtbXkKPiA+ID4gPiA+IFsgICAgNS44MDE2NDddIHZjYy1kcmFt OiBzdXBwbGllZCBieSByZWd1bGF0b3ItZHVtbXkKPiA+ID4gPiA+IFsgICAgNS44MDY0NzBdIHZj Yy1nbWFjLXBoeTogZmFpbGVkIHRvIGdldCB0aGUgY3VycmVudCB2b2x0YWdlOiAtRUlOVkFMCj4g PiA+ID4gPiBbICAgIDUuODEyODM5XSBheHAyMHgtcmVndWxhdG9yIGF4cDIweC1yZWd1bGF0b3I6 IEZhaWxlZCB0byByZWdpc3RlciBkYzFzdwo+ID4gPiA+ID4gWyAgICA1LjgyMDI5MV0gYXhwMjB4 LXJlZ3VsYXRvcjogcHJvYmUgb2YgYXhwMjB4LXJlZ3VsYXRvciBmYWlsZWQgd2l0aCBlcnJvciAt MjIKPiA+ID4gPiAKPiA+ID4gPiBJIGhhdmUganVzdCBzYXcgdGhvc2VzIDMgbGluZXMgd2hpY2gg YXJlIHByb2JhYmx5IHRoZSByZWFsIHByb2JsZW0uCj4gPiA+ID4gSSBoYXZlIHN0YXJ0ZWQgYSBu ZXcgYmlzZWN0IHdpdGggdGhpcyBlcnJvciwgYnV0IGl0IGlzIGhpdHRpbmcgdGhlIHNhbWUgImNy YXNoIHJhbmdlIiB0aGUgZmlyc3Qgb25lLgo+ID4gPiA+IAo+ID4gPiAKPiA+ID4gSSBoYXZlIGJp c2VjdGVkIHRoZSBwcm9ibGVtIHRvIGNvbW1pdCBhZWE2Y2I5OTcwM2UxNzAxOWUwMjVhYTcxNjQz YjRkM2UwYTI0NDEzICgicmVndWxhdG9yOiByZXNvbHZlIHN1cHBseSBhZnRlciBjcmVhdGluZyBy ZWd1bGF0b3IiKQo+ID4gPiBSZXZlcnRpbmcgdGhpcyBmaXggbXkgcHJvYmxlbS4KPiA+IAo+ID4g Q2FuIHlvdSB0cnkgdGhlIGhhY2sgYmVsb3c/Cj4gPiAKPiA+IEJlc3QgUmVnYXJkcywKPiA+IE1p Y2hhxYIgTWlyb3PFgmF3Cj4gPiAKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3JlZ3VsYXRvci9j b3JlLmMgYi9kcml2ZXJzL3JlZ3VsYXRvci9jb3JlLmMKPiA+IGluZGV4IGE0ZmZkNzE2OTZkYS4u OWFkMDkxZjVmMWFiIDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9yZWd1bGF0b3IvY29yZS5jCj4g PiArKysgYi9kcml2ZXJzL3JlZ3VsYXRvci9jb3JlLmMKPiA+IEBAIC0xMTY5LDYgKzExNjksOSBA QCBzdGF0aWMgaW50IG1hY2hpbmVfY29uc3RyYWludHNfdm9sdGFnZShzdHJ1Y3QgcmVndWxhdG9y X2RldiAqcmRldiwKPiA+ICAJCX0KPiA+ICAKPiA+ICAJCWlmIChjdXJyZW50X3VWIDwgMCkgewo+ ID4gKwkJCWlmIChjdXJyZW50X3VWID09IC1FSU5WQUwgJiYgcmRldi0+c3VwcGx5X25hbWUpCj4g PiArCQkJCXJldHVybiAtRVBST0JFX0RFRkVSOwo+ID4gKwo+ID4gIAkJCXJkZXZfZXJyKHJkZXYs Cj4gPiAgCQkJCSAiZmFpbGVkIHRvIGdldCB0aGUgY3VycmVudCB2b2x0YWdlOiAlcGVcbiIsCj4g PiAgCQkJCSBFUlJfUFRSKGN1cnJlbnRfdVYpKTsKPiAKPiBJIGRpZCBoaXQgdGhlIHNhbWUgcHJv YmxlbSBvbiBzdW44aS1hODN0LXRicy1hNzExLmR0cyB0YWJsZXQuCj4gCj4gVGhlIHBhdGNoIGhl bHBzIG9uIHRvcCBvZiB2NS45LjIsIGFuZCBvbiBsaW51cy9tYXN0ZXIuCj4gCgpIZWxsbwoKU29y cnkgSSBkaWRudCBnZXQgeW91ciBvcmlnaW5hbCBlbWFpbC4KClRlc3RlZCBvbiB0b3Agb2YgbmV4 dC0yMDIwMTAzMC4KSSBoYXZlIGFkZGVkIGEgZGVidWcgIiIicmRldl9pbmZvKHJkZXYsICIlcyBE RUZFUlxuIiwgX19mdW5jX18pOyIiIiBhbmQgSSBjb25maXJtIHRoaXMgaGFjayBpcyB1c2VkIHNp bmNlIEkgZ290ICJ2Y2MtZ21hYy1waHk6IG1hY2hpbmVfY29uc3RyYWludHNfdm9sdGFnZSBERUZF UiIKClNvIGlmIHlvdSBzZW5kIHRoZSBwYXRjaCB5b3UgY2FuIGFkZDoKVGVzdGVkLWJ5OiBDb3Jl bnRpbiBMYWJiZSA8Y2xhYmJlLm1vbnRqb2llQGdtYWlsLmNvbT4KVGVzdGVkLW9uOiBzdW44aS1y NDAtYmFuYW5hcGktbTItdWx0cmEKClJlZ2FyZHMKCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4 LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK 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=-6.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 0E886C00A89 for ; Mon, 2 Nov 2020 07:40:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FABC2084C for ; Mon, 2 Nov 2020 07:40:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Gnm0IN22" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728213AbgKBHk3 (ORCPT ); Mon, 2 Nov 2020 02:40:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728189AbgKBHk1 (ORCPT ); Mon, 2 Nov 2020 02:40:27 -0500 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0C16C0617A6 for ; Sun, 1 Nov 2020 23:40:25 -0800 (PST) Received: by mail-wr1-x443.google.com with SMTP id n15so13368979wrq.2 for ; Sun, 01 Nov 2020 23:40:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=JcNsFLDcJifqW2TmFCiM0Mi6G4i3HEN+HM9WVUKwPPE=; b=Gnm0IN22SDhAVMECNrqxChBq8eWkA2eoQdLg2YCfG3jA9fBR31DppXYHzDuVBwANAo C33rBi6kC/AWE4y4eX7pAE7sSVyEB66XhtB1nmL0H2qTuU4beYLC4WJPwHjiftna1rhy EfREEOlP1rOHDfrRwyxgrO3KI9IrcMnKbNkrynwseXoxMDTJyuh4nF07K+BpL0/2pZLY ykhlr34Vnpxo0LmbiUVlJTHhjIMY+LLnlwy6eQWwJczb3fSZLDgnwGIZ9X2gPKxgeDSC eJ15AO8lHjtleQ7QA4QxRZ4SRNU/h+mobZXYsENpC8PTFcdo9ChlHuF2iDMm9J34+QyO Lx/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=JcNsFLDcJifqW2TmFCiM0Mi6G4i3HEN+HM9WVUKwPPE=; b=kUb48PUoNs/J5qaX8ttTjlAYS45Eq+pZeujdn3liIiIzpVi9hlft85QWPSjsz7Z6LT YSyQ/JO2tDApDkTFLwhtUjYmclRDPY+cD72SgzcLY96rTC7RUoSlP7jaNLFzLYW9hE9I 9+zSqQKKvUjuokb5nY7MOoqMpuXxsirpOvp56u1MmgRHlmsCdLLUe12ML3Qa5s/4Yykm f/X/nN46EJnd6zr4c8NDaTRKgr7bVNJLiZASds7rt50sZNSCPk920WUfjvAllNLeRl+D 5pNB4pqoEHbpVzbLx9ESsqZn/9tNF1onRKLXX6PqA6D702yTfheMdW5uyWR3LErYwkk6 LBUw== X-Gm-Message-State: AOAM530+s2UnNON4rYb9Bx1uxbXIB6mvpeE63sCkNc3RBkPccHDaRw+n YnN/H5O8T8rS+MQaHKBXpI0= X-Google-Smtp-Source: ABdhPJx8QmBps0mhWVA1sWkDw8w2XB5SsAkrC8PyBwvCbl9mJTdKaWuwZ+9m4mSeHud0SHoKkkbZFg== X-Received: by 2002:adf:f841:: with SMTP id d1mr18628938wrq.297.1604302824591; Sun, 01 Nov 2020 23:40:24 -0800 (PST) Received: from Red ([2a01:cb1d:3d5:a100:264b:feff:fe03:2806]) by smtp.googlemail.com with ESMTPSA id n4sm5431058wrv.13.2020.11.01.23.40.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Nov 2020 23:40:24 -0800 (PST) Date: Mon, 2 Nov 2020 08:40:22 +0100 From: Corentin Labbe To: =?utf-8?Q?Ond=C5=99ej?= Jirman , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , mripard@kernel.org, wens@csie.org, broonie@kernel.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [BUG] Error applying setting, reverse things back on lot of devices Message-ID: <20201102074022.GA6928@Red> References: <20201021183149.GA8436@Red> <20201023134201.GA533@Red> <20201023203943.GA21435@Red> <20201024115307.GA2745@qmqm.qmqm.pl> <20201101013115.espxyxbnqgj3j4tg@core.my.home> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20201101013115.espxyxbnqgj3j4tg@core.my.home> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Nov 01, 2020 at 02:31:15AM +0100, Ondřej Jirman wrote: > Hello Michał, > > On Sat, Oct 24, 2020 at 01:53:07PM +0200, Michał Mirosław wrote: > > On Fri, Oct 23, 2020 at 10:39:43PM +0200, Corentin Labbe wrote: > > > On Fri, Oct 23, 2020 at 03:42:01PM +0200, Corentin Labbe wrote: > > > > On Wed, Oct 21, 2020 at 08:31:49PM +0200, Corentin Labbe wrote: > > > > > [ 5.796585] dcdc4: supplied by regulator-dummy > > > > > [ 5.801647] vcc-dram: supplied by regulator-dummy > > > > > [ 5.806470] vcc-gmac-phy: failed to get the current voltage: -EINVAL > > > > > [ 5.812839] axp20x-regulator axp20x-regulator: Failed to register dc1sw > > > > > [ 5.820291] axp20x-regulator: probe of axp20x-regulator failed with error -22 > > > > > > > > I have just saw thoses 3 lines which are probably the real problem. > > > > I have started a new bisect with this error, but it is hitting the same "crash range" the first one. > > > > > > > > > > I have bisected the problem to commit aea6cb99703e17019e025aa71643b4d3e0a24413 ("regulator: resolve supply after creating regulator") > > > Reverting this fix my problem. > > > > Can you try the hack below? > > > > Best Regards, > > Michał Mirosław > > > > diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c > > index a4ffd71696da..9ad091f5f1ab 100644 > > --- a/drivers/regulator/core.c > > +++ b/drivers/regulator/core.c > > @@ -1169,6 +1169,9 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, > > } > > > > if (current_uV < 0) { > > + if (current_uV == -EINVAL && rdev->supply_name) > > + return -EPROBE_DEFER; > > + > > rdev_err(rdev, > > "failed to get the current voltage: %pe\n", > > ERR_PTR(current_uV)); > > I did hit the same problem on sun8i-a83t-tbs-a711.dts tablet. > > The patch helps on top of v5.9.2, and on linus/master. > Hello Sorry I didnt get your original email. Tested on top of next-20201030. I have added a debug """rdev_info(rdev, "%s DEFER\n", __func__);""" and I confirm this hack is used since I got "vcc-gmac-phy: machine_constraints_voltage DEFER" So if you send the patch you can add: Tested-by: Corentin Labbe Tested-on: sun8i-r40-bananapi-m2-ultra Regards