From patchwork Wed Mar 16 08:57:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Ni X-Patchwork-Id: 8596731 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id AE7D39F3D1 for ; Wed, 16 Mar 2016 08:58:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DCA9620357 for ; Wed, 16 Mar 2016 08:57:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00507201BC for ; Wed, 16 Mar 2016 08:57:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966157AbcCPI5u (ORCPT ); Wed, 16 Mar 2016 04:57:50 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:11839 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966143AbcCPI5r (ORCPT ); Wed, 16 Mar 2016 04:57:47 -0400 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com id ; Wed, 16 Mar 2016 01:57:40 -0700 Received: from HQMAIL104.nvidia.com ([172.20.12.94]) by hqnvupgp07.nvidia.com (PGP Universal service); Wed, 16 Mar 2016 01:56:17 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Wed, 16 Mar 2016 01:56:17 -0700 Received: from HKMAIL101.nvidia.com (10.18.16.10) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1130.7; Wed, 16 Mar 2016 08:57:44 +0000 Received: from niwei-dev.nvidia.com (10.19.224.146) by HKMAIL101.nvidia.com (10.18.16.10) with Microsoft SMTP Server (TLS) id 15.0.1130.7; Wed, 16 Mar 2016 08:57:41 +0000 From: Wei Ni To: , , CC: , , , , , , Wei Ni Subject: [PATCH V8 07/14] thermal: of-thermal: allow setting trip_temp on hardware Date: Wed, 16 Mar 2016 16:57:55 +0800 Message-ID: <1458118675-29864-1-git-send-email-wni@nvidia.com> X-Mailer: git-send-email 1.9.1 X-NVConfidentiality: public MIME-Version: 1.0 X-Originating-IP: [10.19.224.146] X-ClientProxiedBy: HKMAIL102.nvidia.com (10.18.16.11) To HKMAIL101.nvidia.com (10.18.16.10) Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In current of-thermal, the .set_trip_temp only support to set trip_temp for SW. But some sensors support to set trip_temp on hardware, so that can trigger interrupt, shutdown or any other events. This patch adds .set_trip_temp() callback in thermal_zone_of_device_ops{}, so that the sensor device can use it to set trip_temp on hardware. Signed-off-by: Wei Ni --- drivers/thermal/of-thermal.c | 8 ++++++++ include/linux/thermal.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 5a515f8677ec..57828841b6e6 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -331,6 +331,14 @@ static int of_thermal_set_trip_temp(struct thermal_zone_device *tz, int trip, if (trip >= data->ntrips || trip < 0) return -EDOM; + if (data->ops->set_trip_temp) { + int ret; + + ret = data->ops->set_trip_temp(data->sensor_data, trip, temp); + if (ret) + return ret; + } + /* thermal framework should take care of data->mask & (1 << trip) */ data->trips[trip].temperature = temp; diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 9c481991fdc7..fcaab873b94f 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -338,6 +338,7 @@ struct thermal_zone_of_device_ops { int (*get_temp)(void *, int *); int (*get_trend)(void *, long *); int (*set_emul_temp)(void *, int); + int (*set_trip_temp)(void *, int, int); }; /**