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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 8BCF1C43603 for ; Fri, 20 Dec 2019 14:36:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5377521D7E for ; Fri, 20 Dec 2019 14:36:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576852619; bh=iN58pcI4a/v+xDGOOjVsgiJM/JmC6IAXuqWupv9eqd0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LkokWpXFJG7QNMVXA1yObUBZo0gdfpucvBVQjVoEgkIy48ISiAUaL7RY0+DvkiivS Se4npUXS+TXO7nCRAt4oKCbZ23jlD24iolDgOzzh0Md/VFGqky1Atxs0jKYCbS7YVJ diVrHVRdCkAtRO/MJby9TyljRUz8Pj+J86dkQQMA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728276AbfLTOep (ORCPT ); Fri, 20 Dec 2019 09:34:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:38838 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728268AbfLTOep (ORCPT ); Fri, 20 Dec 2019 09:34:45 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 96E212465E; Fri, 20 Dec 2019 14:34:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576852484; bh=iN58pcI4a/v+xDGOOjVsgiJM/JmC6IAXuqWupv9eqd0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gDQ3XWykOnZIYpZ1/cXEXR0Li7tJHbU/nvIBl3Z60aegx63Izay3rSEViSKOsFodt CcHiKTaAtzDox9X+gl842l3kjxVFRnjFe8M3/J/AfUpzXYtleio+W+RDPnJ+oukA5o Db7z9A2B8hMQPBszGmTwhHPLg2zngQ21rc0UUfrI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Leonard Crestez , Matthias Kaehlcke , Chanwoo Choi , Sasha Levin , linux-pm@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 08/34] PM / devfreq: Set scaling_max_freq to max on OPP notifier error Date: Fri, 20 Dec 2019 09:34:07 -0500 Message-Id: <20191220143433.9922-8-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191220143433.9922-1-sashal@kernel.org> References: <20191220143433.9922-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@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 34e297f28fc2a..a47e76a62287f 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -547,8 +547,10 @@ 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