From patchwork Tue Mar 29 09:17:36 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Ni X-Patchwork-Id: 8684361 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 27BE0C0553 for ; Tue, 29 Mar 2016 09:19:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0B27820220 for ; Tue, 29 Mar 2016 09:19:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2266D201F5 for ; Tue, 29 Mar 2016 09:19:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756059AbcC2JRT (ORCPT ); Tue, 29 Mar 2016 05:17:19 -0400 Received: from nat-hk.nvidia.com ([203.18.50.4]:33719 "EHLO hkmmgate101.nvidia.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756316AbcC2JRQ (ORCPT ); Tue, 29 Mar 2016 05:17:16 -0400 Received: from hkpgpgate101.nvidia.com (Not Verified[10.18.92.9]) by hkmmgate101.nvidia.com id ; Tue, 29 Mar 2016 17:18:37 +0800 Received: from HKMAIL101.nvidia.com ([10.18.67.137]) by hkpgpgate101.nvidia.com (PGP Universal service); Tue, 29 Mar 2016 02:17:14 -0700 X-PGP-Universal: processed; by hkpgpgate101.nvidia.com on Tue, 29 Mar 2016 02:17:14 -0700 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; Tue, 29 Mar 2016 09:17:11 +0000 From: Wei Ni To: , , CC: , , , , , , Wei Ni Subject: [PATCH V9 07/14] thermal: of-thermal: allow setting trip_temp on hardware Date: Tue, 29 Mar 2016 17:17:36 +0800 Message-ID: <1459243056-25424-1-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: DRBGMAIL103.nvidia.com (10.18.16.22) 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=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 acc767b6fdee..85288029b46c 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 a55d0523f75d..97b86c549df1 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -340,6 +340,7 @@ 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); }; /**