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[2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id l135-20020a633e8d000000b005cdf9c8000asi20246226pga.147.2024.01.03.12.09.15 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jan 2024 12:09:15 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-15952-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel+bounces-15952-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-15952-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id E4F7728753C for ; Wed, 3 Jan 2024 20:09:14 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8B66B1D545; Wed, 3 Jan 2024 20:08:54 +0000 (UTC) X-Original-To: linux-kernel@vger.kernel.org Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4259A1CFBD; Wed, 3 Jan 2024 20:08:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8A5F5C15; Wed, 3 Jan 2024 12:09:37 -0800 (PST) Received: from [10.57.85.107] (unknown [10.57.85.107]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8B9103F64C; Wed, 3 Jan 2024 12:08:50 -0800 (PST) Message-ID: <314e5b15-de28-4336-8a0f-f3c08183a6b1@arm.com> Date: Wed, 3 Jan 2024 20:10:07 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 6/6] thermal: netlink: Rework cdev-related notify API Content-Language: en-US To: "Rafael J. Wysocki" Cc: Srinivas Pandruvada , Linux PM , Daniel Lezcano , Zhang Rui , Linux ACPI , LKML References: <4556052.LvFx2qVVIh@kreacher> <7628882.EvYhyI6sBW@kreacher> From: Lukasz Luba In-Reply-To: <7628882.EvYhyI6sBW@kreacher> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/15/23 20:02, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > > The only actually used thermal netlink notification routine related > to cooling devices is thermal_notify_cdev_state_update(). The other > two, thermal_notify_cdev_add() and thermal_notify_cdev_delete(), are > never used. > > So as to get rid of dead code, drop thermal_notify_cdev_add/delete(), > which can be added back if they turn out to be ever needed, along with > the related code. > > In analogy with the previous thermal netlink API changes, redefine > thermal_notify_cdev_state_update() to take a const cdev pointer as its > first argument and let it extract the requisite information from there > by itself. > > No intentional functional impact. > > Signed-off-by: Rafael J. Wysocki > --- > drivers/thermal/thermal_helpers.c | 2 - > drivers/thermal/thermal_netlink.c | 43 ++------------------------------------ > drivers/thermal/thermal_netlink.h | 19 +++------------- > 3 files changed, 8 insertions(+), 56 deletions(-) > > Index: linux-pm/drivers/thermal/thermal_netlink.h > =================================================================== > --- linux-pm.orig/drivers/thermal/thermal_netlink.h > +++ linux-pm/drivers/thermal/thermal_netlink.h > @@ -24,9 +24,8 @@ int thermal_notify_tz_trip_up(const stru > const struct thermal_trip *trip); > int thermal_notify_tz_trip_change(const struct thermal_zone_device *tz, > const struct thermal_trip *trip); > -int thermal_notify_cdev_state_update(int cdev_id, int state); > -int thermal_notify_cdev_add(int cdev_id, const char *name, int max_state); > -int thermal_notify_cdev_delete(int cdev_id); > +int thermal_notify_cdev_state_update(const struct thermal_cooling_device *cdev, > + int state); > int thermal_notify_tz_gov_change(const struct thermal_zone_device *tz, > const char *name); > int thermal_genl_sampling_temp(int id, int temp); > @@ -76,18 +75,8 @@ static inline int thermal_notify_tz_trip > return 0; > } > > -static inline int thermal_notify_cdev_state_update(int cdev_id, int state) > -{ > - return 0; > -} > - > -static inline int thermal_notify_cdev_add(int cdev_id, const char *name, > - int max_state) > -{ > - return 0; > -} > - > -static inline int thermal_notify_cdev_delete(int cdev_id) > +static inline int thermal_notify_cdev_state_update(const struct thermal_cooling_device *cdev, > + int state) > { > return 0; > } > Index: linux-pm/drivers/thermal/thermal_helpers.c > =================================================================== > --- linux-pm.orig/drivers/thermal/thermal_helpers.c > +++ linux-pm/drivers/thermal/thermal_helpers.c > @@ -152,7 +152,7 @@ static void thermal_cdev_set_cur_state(s > if (cdev->ops->set_cur_state(cdev, target)) > return; > > - thermal_notify_cdev_state_update(cdev->id, target); > + thermal_notify_cdev_state_update(cdev, target); > thermal_cooling_device_stats_update(cdev, target); > } > > Index: linux-pm/drivers/thermal/thermal_netlink.c > =================================================================== > --- linux-pm.orig/drivers/thermal/thermal_netlink.c > +++ linux-pm/drivers/thermal/thermal_netlink.c > @@ -147,27 +147,6 @@ static int thermal_genl_event_tz_trip_ch > return 0; > } > > -static int thermal_genl_event_cdev_add(struct param *p) > -{ > - if (nla_put_string(p->msg, THERMAL_GENL_ATTR_CDEV_NAME, > - p->name) || > - nla_put_u32(p->msg, THERMAL_GENL_ATTR_CDEV_ID, > - p->cdev_id) || > - nla_put_u32(p->msg, THERMAL_GENL_ATTR_CDEV_MAX_STATE, > - p->cdev_max_state)) > - return -EMSGSIZE; > - > - return 0; > -} > - > -static int thermal_genl_event_cdev_delete(struct param *p) > -{ > - if (nla_put_u32(p->msg, THERMAL_GENL_ATTR_CDEV_ID, p->cdev_id)) > - return -EMSGSIZE; > - > - return 0; > -} > - > static int thermal_genl_event_cdev_state_update(struct param *p) > { > if (nla_put_u32(p->msg, THERMAL_GENL_ATTR_CDEV_ID, > @@ -244,8 +223,6 @@ static cb_t event_cb[] = { > [THERMAL_GENL_EVENT_TZ_TRIP_UP] = thermal_genl_event_tz_trip_up, > [THERMAL_GENL_EVENT_TZ_TRIP_DOWN] = thermal_genl_event_tz_trip_down, > [THERMAL_GENL_EVENT_TZ_TRIP_CHANGE] = thermal_genl_event_tz_trip_change, > - [THERMAL_GENL_EVENT_CDEV_ADD] = thermal_genl_event_cdev_add, > - [THERMAL_GENL_EVENT_CDEV_DELETE] = thermal_genl_event_cdev_delete, > [THERMAL_GENL_EVENT_CDEV_STATE_UPDATE] = thermal_genl_event_cdev_state_update, > [THERMAL_GENL_EVENT_TZ_GOV_CHANGE] = thermal_genl_event_gov_change, > [THERMAL_GENL_EVENT_CPU_CAPABILITY_CHANGE] = thermal_genl_event_cpu_capability_change, > @@ -348,28 +325,14 @@ int thermal_notify_tz_trip_change(const > return thermal_genl_send_event(THERMAL_GENL_EVENT_TZ_TRIP_CHANGE, &p); > } > > -int thermal_notify_cdev_state_update(int cdev_id, int cdev_state) > +int thermal_notify_cdev_state_update(const struct thermal_cooling_device *cdev, > + int state) > { > - struct param p = { .cdev_id = cdev_id, .cdev_state = cdev_state }; > + struct param p = { .cdev_id = cdev->id, .cdev_state = state }; > > return thermal_genl_send_event(THERMAL_GENL_EVENT_CDEV_STATE_UPDATE, &p); > } > > -int thermal_notify_cdev_add(int cdev_id, const char *name, int cdev_max_state) > -{ > - struct param p = { .cdev_id = cdev_id, .name = name, > - .cdev_max_state = cdev_max_state }; > - > - return thermal_genl_send_event(THERMAL_GENL_EVENT_CDEV_ADD, &p); > -} > - > -int thermal_notify_cdev_delete(int cdev_id) > -{ > - struct param p = { .cdev_id = cdev_id }; > - > - return thermal_genl_send_event(THERMAL_GENL_EVENT_CDEV_DELETE, &p); > -} > - > int thermal_notify_tz_gov_change(const struct thermal_zone_device *tz, > const char *name) > { > > > Reviewed-by: Lukasz Luba