From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752642AbdIAXws (ORCPT ); Fri, 1 Sep 2017 19:52:48 -0400 Received: from regular1.263xmail.com ([211.150.99.137]:52950 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752451AbdIAXwr (ORCPT ); Fri, 1 Sep 2017 19:52:47 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <70081ffff7b8f83ff9073c87bef4af51> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Jeffy Chen To: linux-kernel@vger.kernel.org, dbasehore@chromium.org Cc: briannorris@chromium.org, dianders@chromium.org, Jeffy Chen , Chanwoo Choi , Kyungmin Park , MyungJoo Ham , linux-pm@vger.kernel.org Subject: [PATCH] CHROMIUM: devfreq: rk3399: Clear edev->dev drvdata before enabling dfi Date: Sat, 2 Sep 2017 07:52:37 +0800 Message-Id: <20170901235237.18390-1-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently we are using edev->dev drvdata to get rk3399-dmc data, but it would be inited to edev in devfreq_event_add_edev. So we need to clear the edev->dev drvdata before enabling dfi, to prevent dfi from getting the wrong rk3399-dmc data when the irq triggered too early. Signed-off-by: Jeffy Chen --- drivers/devfreq/rk3399_dmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c index 1b89ebbad02c..12f9f03f349f 100644 --- a/drivers/devfreq/rk3399_dmc.c +++ b/drivers/devfreq/rk3399_dmc.c @@ -429,6 +429,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) rk3399_devfreq_dmc_profile.initial_freq = data->rate; + platform_set_drvdata(pdev, NULL); data->devfreq = devm_devfreq_add_device(dev, &rk3399_devfreq_dmc_profile, "simple_ondemand", -- 2.11.0