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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 BBDE0C33C9B for ; Tue, 7 Jan 2020 20:57:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 903132467F for ; Tue, 7 Jan 2020 20:57:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578430669; bh=v9lUO9rBWKYWaXrZuC4vivBJQcMcYobzNnqaS8rQd14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Vj2PcTyCrfmqQjClRgWz2fRFvNxJQtMAH9g7q1+/jktkPem01CnyYkQvsM8R75LMl bXPgPkAVTq5u3S9nU5/S/WGg2R/AsWbghtxm36+HZkfRoHcQzYTPMv1trvHS7vARMl UO/g6tK6o5NmDf5lI+FBydeecJlJrmkKI0GIZFks= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727701AbgAGU5s (ORCPT ); Tue, 7 Jan 2020 15:57:48 -0500 Received: from mail.kernel.org ([198.145.29.99]:55500 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726992AbgAGU5p (ORCPT ); Tue, 7 Jan 2020 15:57:45 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 26819214D8; Tue, 7 Jan 2020 20:57:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578430664; bh=v9lUO9rBWKYWaXrZuC4vivBJQcMcYobzNnqaS8rQd14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I4wPSR7wfnXWasF2ano/8KqZiRVUd0UHcbp+HHSyD0wVjy7SQQro+B1LgtBEk5x6t lGsLF5QlB6ZajRXxcAdRpsoF4bN7uKA59qkD2bbeyPKrwOLcsRody7r2tlXEf2kx9R Zaz/HmpV/vkSvn8vL7YifEVNwGsrJcDGgmzPvnwM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Leonard Crestez , Matthias Kaehlcke , Chanwoo Choi , Sasha Levin Subject: [PATCH 5.4 017/191] PM / devfreq: Set scaling_max_freq to max on OPP notifier error Date: Tue, 7 Jan 2020 21:52:17 +0100 Message-Id: <20200107205333.927753109@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200107205332.984228665@linuxfoundation.org> References: <20200107205332.984228665@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Leonard Crestez [ Upstream commit e7cc792d00049c874010b398a27c3cc7bc8fef34 ] The devfreq_notifier_call functions will update scaling_min_freq and scaling_max_freq when the OPP table is updated. If fetching the maximum frequency fails then scaling_max_freq remains set to zero which is confusing. Set to ULONG_MAX instead so we don't need special handling for this case in other places. Signed-off-by: Leonard Crestez Reviewed-by: Matthias Kaehlcke Reviewed-by: Chanwoo Choi Signed-off-by: Chanwoo Choi Signed-off-by: Sasha Levin --- drivers/devfreq/devfreq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index e5c2afdc7b7f..e185c8846916 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -560,8 +560,10 @@ static int devfreq_notifier_call(struct notifier_block *nb, unsigned long type, goto out; devfreq->scaling_max_freq = find_available_max_freq(devfreq); - if (!devfreq->scaling_max_freq) + if (!devfreq->scaling_max_freq) { + devfreq->scaling_max_freq = ULONG_MAX; goto out; + } err = update_devfreq(devfreq); -- 2.20.1