Received: by 2002:a05:6a10:9e8c:0:0:0:0 with SMTP id y12csp56124pxx; Wed, 28 Oct 2020 18:01:49 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwXuL+aW0rinsWBpWhjPsb/LmyvTXfx+89eMo94GEVqq7S1tpAs2zKdfBtLwzBf6hO3jvFK X-Received: by 2002:a17:906:31c1:: with SMTP id f1mr1797896ejf.253.1603933309398; Wed, 28 Oct 2020 18:01:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1603933309; cv=none; d=google.com; s=arc-20160816; b=U+NYHjRb9FqvKPWI4uKaO9t7yegwlGoDtPI/R57RNjX9YAmVGC9SYLfVxWNomB1kdv fVQDyRM4QwpsO0rONFgiS8R98OrxQ2HxiRmf2FB+xbKNo/3NjvoydHlgvnpgUk4lZLX1 WPECWY1+rGcyVfoWAJYPnQrYvFejjz5EqU9ahO+jbFun4QvdH/IRtvbepuEqYvqpH4OY Qde/mS0JB/XrfPSTIuLjNzE9c/nH2Z5pEMuswuA92JDbvJYy/9mNZtlz+vWj0/LTD8tz 2IjbzLszTl8b07oeeQ6NDFlVkzJybVrq1Bwh3CC0OCFVD2TIi0vTm+Ym/l4a/DX6nqHa 1dxg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=2lMQ52opYyBFO/8867Rc9HWGhmmRhbhGzcJErb4OtTk=; b=OC3MLNJ1LrCr3JFOWk+COImRbkkNYqrFqng6Y5Hs0U20x+1Q6TXslKTpSa6qu+kup4 qaCENDIh2yo1iL6D5+u0O5FkgCDWheaRktfJ0/HPqASx/Gp1S5ZdgtMlfMFR/P9oGuso D3HiFlpsHKNbyy7papQP7osqhaE6lL4MO/wzVHbqZ8XP6kUHoOLE3+Lw7gXqltxjmNU5 0QNWxz6aY6x+/jHDuXwf5Tq3nN/J5VINFnQ3Rb1dPD59gr1mwdVikOPf4gxUQST1Kdmd CwLklNfFLnfnaWdlD0K+qf7E8oge8mL/9TcG+I+7qs7eJnEsYVBTTiYBi2o23sgnEW9Y 8NcQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=fI0t4Bxy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id w5si806743edi.590.2020.10.28.18.01.27; Wed, 28 Oct 2020 18:01:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=fI0t4Bxy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730992AbgJ1WMs (ORCPT + 99 others); Wed, 28 Oct 2020 18:12:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730161AbgJ1WL2 (ORCPT ); Wed, 28 Oct 2020 18:11:28 -0400 Received: from mail-oi1-x242.google.com (mail-oi1-x242.google.com [IPv6:2607:f8b0:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47D7FC0613CF for ; Wed, 28 Oct 2020 15:11:28 -0700 (PDT) Received: by mail-oi1-x242.google.com with SMTP id m128so1187504oig.7 for ; Wed, 28 Oct 2020 15:11:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=2lMQ52opYyBFO/8867Rc9HWGhmmRhbhGzcJErb4OtTk=; b=fI0t4BxySPIKVYRDW0X9AXX9OUIVJ0i/IcCj1u6CvQF8PsgvfX6iDVVZmT+L5OwIWk yoG+215nSPpM6CL47027i0uDqhuClzPHJLJTFYPqlBePyix501UL4sg5W6uJnBEPSzdv QNbm3DYpW3acKN2JX9MeWEj/i94spl3Ekzj7+7YyXHo+dqPM9Hvo1UrUTsX+lXrbfyKm IHr/sYrZ/nPuU7uHWl30RPPs9gNvhpqSbtdmdKUo8eS1IPHYkkrcmNk6ZSb9X7efUEiT xdBg/+u/V5As2OXPt81jOWeTwHpGsJXhVirjF3ESdAcqadsGDH2/w4KWEDWhW6SqEHvo l3mw== 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:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=2lMQ52opYyBFO/8867Rc9HWGhmmRhbhGzcJErb4OtTk=; b=FC1g7ldJgrBU41dlqKphRg81OgDoR5/5qljWmY5PamjPthE6QHitymdXMEXFhmXZsQ Z2gRyyuSfTWn3xnccK01IUTDX42EUWj3WBT6xb9lUWV5wHLg/CzIBcmsyhe5jfXdGixN Y2y1psEiBIh0Ex9xC2vGezc1ppzsG2osJQnQBNphqXz+P1Z48RE3aY421urd47v9n/By 598u0bE2TfOuj/BPLhoDgNgPos6uRPRZC24X+TK8n7VVF0w/0fNczD9xV1CSUtRvYERk 29AsBAYMRsiIqi0HtJIVvZihYK80jB8JG9f63lHNaYh5Gdxj+e8nBQu78Ph5a7fnVAHB pIFw== X-Gm-Message-State: AOAM5323247qGhkblXcpZpB+5+s4/p+tB4iTJD7/+GP3hT54t2/Ak2Og GMt0VxGqC/KSv7fPMRU2XLddhg9O00hs5Q== X-Received: by 2002:a17:90a:1f07:: with SMTP id u7mr7452262pja.69.1603896848198; Wed, 28 Oct 2020 07:54:08 -0700 (PDT) Received: from localhost ([122.181.54.133]) by smtp.gmail.com with ESMTPSA id 63sm6317614pfv.25.2020.10.28.07.54.07 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Oct 2020 07:54:07 -0700 (PDT) Date: Wed, 28 Oct 2020 20:24:05 +0530 From: Viresh Kumar To: Tero Kristo Cc: vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] opp: fix bad error check logic in the opp helper register Message-ID: <20201028145405.ucfepzt6xoxro6fi@vireshk-i7> References: <20201028141357.10345-1-t-kristo@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201028141357.10345-1-t-kristo@ti.com> User-Agent: NeoMutt/20180716-391-311a52 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 28-10-20, 16:13, Tero Kristo wrote: > The error check is incorrectly negated causing the helper to never > register anything. This causes platforms that depend on this > functionality to fail always with any cpufreq transition, and at least > TI DRA7 based platforms fail to boot completely due to warning message > flood from _generic_set_opp_regulator complaining about multiple > regulators not being supported. > > Fixes: dd461cd9183f ("opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER") > Signed-off-by: Tero Kristo > --- > drivers/opp/core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/opp/core.c b/drivers/opp/core.c > index 2483e765318a..4ac4e7ce6b8b 100644 > --- a/drivers/opp/core.c > +++ b/drivers/opp/core.c > @@ -1930,7 +1930,7 @@ struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, > return ERR_PTR(-EINVAL); > > opp_table = dev_pm_opp_get_opp_table(dev); > - if (!IS_ERR(opp_table)) > + if (IS_ERR(opp_table)) > return opp_table; > > /* This should be called before OPPs are initialized */ A similar fix is already pushed in linux-next for this. -- viresh