From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50482 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751622AbdLUInb (ORCPT ); Thu, 21 Dec 2017 03:43:31 -0500 Subject: Patch "PM / OPP: Move error message to debug level" has been added to the 4.9-stable tree To: fabio.estevam@nxp.com, alexander.levin@verizon.com, gregkh@linuxfoundation.org, rafael.j.wysocki@intel.com Cc: , From: Date: Thu, 21 Dec 2017 09:40:47 +0100 Message-ID: <151384564736232@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled PM / OPP: Move error message to debug level to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pm-opp-move-error-message-to-debug-level.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Fabio Estevam Date: Fri, 29 Sep 2017 14:39:49 -0300 Subject: PM / OPP: Move error message to debug level From: Fabio Estevam [ Upstream commit 035ed07208dc501d023873447113f3f178592156 ] On some i.MX6 platforms which do not have speed grading check, opp table will not be created in platform code, so cpufreq driver prints the following error message: cpu cpu0: dev_pm_opp_get_opp_count: OPP table not found (-19) However, this is not really an error in this case because the imx6q-cpufreq driver first calls dev_pm_opp_get_opp_count() and if it fails, it means that platform code does not provide OPP and then dev_pm_opp_of_add_table() will be called. In order to avoid such confusing error message, move it to debug level. It is up to the caller of dev_pm_opp_get_opp_count() to check its return value and decide if it will print an error or not. Signed-off-by: Fabio Estevam Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/base/power/opp/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -331,7 +331,7 @@ int dev_pm_opp_get_opp_count(struct devi opp_table = _find_opp_table(dev); if (IS_ERR(opp_table)) { count = PTR_ERR(opp_table); - dev_err(dev, "%s: OPP table not found (%d)\n", + dev_dbg(dev, "%s: OPP table not found (%d)\n", __func__, count); goto out_unlock; } Patches currently in stable-queue which might be from fabio.estevam@nxp.com are queue-4.9/pm-opp-move-error-message-to-debug-level.patch