From patchwork Fri Oct 25 18:00:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leonard Crestez X-Patchwork-Id: 11212889 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C515813BD for ; Fri, 25 Oct 2019 18:00:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AAE04222BE for ; Fri, 25 Oct 2019 18:00:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730926AbfJYSAz (ORCPT ); Fri, 25 Oct 2019 14:00:55 -0400 Received: from inva021.nxp.com ([92.121.34.21]:60310 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731192AbfJYSAz (ORCPT ); Fri, 25 Oct 2019 14:00:55 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 7453C200238; Fri, 25 Oct 2019 20:00:52 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6705620006B; Fri, 25 Oct 2019 20:00:52 +0200 (CEST) Received: from fsr-ub1864-112.ea.freescale.net (fsr-ub1864-112.ea.freescale.net [10.171.82.98]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 04B41205DB; Fri, 25 Oct 2019 20:00:51 +0200 (CEST) From: Leonard Crestez To: "Rafael J. Wysocki" , Viresh Kumar Cc: MyungJoo Ham , Kyungmin Park , Matthias Kaehlcke , Chanwoo Choi , =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= , linux-pm@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH 1/3] PM: QoS: Reorder pm_qos/freq_qos/dev_pm_qos structs Date: Fri, 25 Oct 2019 21:00:47 +0300 Message-Id: <6302d168ee7b7f21c00713895e57b0770a29d9bc.1572025364.git.leonard.crestez@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This allows dev_pm_qos to embed freq_qos structs, which is done in the next patch. Separate commit to make it easier to review. Signed-off-by: Leonard Crestez --- include/linux/pm_qos.h | 74 ++++++++++++++++++++++-------------------- 1 file changed, 38 insertions(+), 36 deletions(-) diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index ebf5ef17cc2a..9105f47f5195 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -47,25 +47,10 @@ struct pm_qos_request { struct pm_qos_flags_request { struct list_head node; s32 flags; /* Do not change to 64 bit */ }; -enum dev_pm_qos_req_type { - DEV_PM_QOS_RESUME_LATENCY = 1, - DEV_PM_QOS_LATENCY_TOLERANCE, - DEV_PM_QOS_FLAGS, -}; - -struct dev_pm_qos_request { - enum dev_pm_qos_req_type type; - union { - struct plist_node pnode; - struct pm_qos_flags_request flr; - } data; - struct device *dev; -}; - enum pm_qos_type { PM_QOS_UNITIALIZED, PM_QOS_MAX, /* return the largest value */ PM_QOS_MIN, /* return the smallest value */ PM_QOS_SUM /* return the sum */ @@ -88,10 +73,48 @@ struct pm_qos_constraints { struct pm_qos_flags { struct list_head list; s32 effective_flags; /* Do not change to 64 bit */ }; + +#define FREQ_QOS_MIN_DEFAULT_VALUE 0 +#define FREQ_QOS_MAX_DEFAULT_VALUE (-1) + +enum freq_qos_req_type { + FREQ_QOS_MIN = 1, + FREQ_QOS_MAX, +}; + +struct freq_constraints { + struct pm_qos_constraints min_freq; + struct blocking_notifier_head min_freq_notifiers; + struct pm_qos_constraints max_freq; + struct blocking_notifier_head max_freq_notifiers; +}; + +struct freq_qos_request { + enum freq_qos_req_type type; + struct plist_node pnode; + struct freq_constraints *qos; +}; + + +enum dev_pm_qos_req_type { + DEV_PM_QOS_RESUME_LATENCY = 1, + DEV_PM_QOS_LATENCY_TOLERANCE, + DEV_PM_QOS_FLAGS, +}; + +struct dev_pm_qos_request { + enum dev_pm_qos_req_type type; + union { + struct plist_node pnode; + struct pm_qos_flags_request flr; + } data; + struct device *dev; +}; + struct dev_pm_qos { struct pm_qos_constraints resume_latency; struct pm_qos_constraints latency_tolerance; struct pm_qos_flags flags; struct dev_pm_qos_request *resume_latency_req; @@ -253,31 +276,10 @@ static inline s32 dev_pm_qos_raw_resume_latency(struct device *dev) { return PM_QOS_RESUME_LATENCY_NO_CONSTRAINT; } #endif -#define FREQ_QOS_MIN_DEFAULT_VALUE 0 -#define FREQ_QOS_MAX_DEFAULT_VALUE (-1) - -enum freq_qos_req_type { - FREQ_QOS_MIN = 1, - FREQ_QOS_MAX, -}; - -struct freq_constraints { - struct pm_qos_constraints min_freq; - struct blocking_notifier_head min_freq_notifiers; - struct pm_qos_constraints max_freq; - struct blocking_notifier_head max_freq_notifiers; -}; - -struct freq_qos_request { - enum freq_qos_req_type type; - struct plist_node pnode; - struct freq_constraints *qos; -}; - static inline int freq_qos_request_active(struct freq_qos_request *req) { return !IS_ERR_OR_NULL(req->qos); } From patchwork Fri Oct 25 18:00:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leonard Crestez X-Patchwork-Id: 11212891 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F15591951 for ; Fri, 25 Oct 2019 18:00:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D765621E6F for ; Fri, 25 Oct 2019 18:00:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731192AbfJYSAz (ORCPT ); Fri, 25 Oct 2019 14:00:55 -0400 Received: from inva021.nxp.com ([92.121.34.21]:60334 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731193AbfJYSAz (ORCPT ); Fri, 25 Oct 2019 14:00:55 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id E2F6C20006B; Fri, 25 Oct 2019 20:00:52 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D62CD20002F; Fri, 25 Oct 2019 20:00:52 +0200 (CEST) Received: from fsr-ub1864-112.ea.freescale.net (fsr-ub1864-112.ea.freescale.net [10.171.82.98]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 76C66205DB; Fri, 25 Oct 2019 20:00:52 +0200 (CEST) From: Leonard Crestez To: "Rafael J. Wysocki" , Viresh Kumar Cc: MyungJoo Ham , Kyungmin Park , Matthias Kaehlcke , Chanwoo Choi , =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= , linux-pm@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH 2/3] PM: QoS: Export _freq_qos_apply Date: Fri, 25 Oct 2019 21:00:48 +0300 Message-Id: <27d83f2bb2aaa4e69d480622727ba7f4497dbe2a.1572025364.git.leonard.crestez@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This is exported only for dev_pm_qos to use in order to implement per-device freq constraints. Export with a leading underscore because this is an implementation detail, it's not meant to be used by drivers making QoS requests. Signed-off-by: Leonard Crestez --- include/linux/pm_qos.h | 2 ++ kernel/power/qos.c | 11 ++++++----- 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index 9105f47f5195..e90dae0b8de9 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -291,10 +291,12 @@ s32 freq_qos_read_value(struct freq_constraints *qos, int freq_qos_add_request(struct freq_constraints *qos, struct freq_qos_request *req, enum freq_qos_req_type type, s32 value); int freq_qos_update_request(struct freq_qos_request *req, s32 new_value); int freq_qos_remove_request(struct freq_qos_request *req); +int _freq_qos_apply(struct freq_qos_request *req, + enum pm_qos_req_action action, s32 value); int freq_qos_add_notifier(struct freq_constraints *qos, enum freq_qos_req_type type, struct notifier_block *notifier); int freq_qos_remove_notifier(struct freq_constraints *qos, diff --git a/kernel/power/qos.c b/kernel/power/qos.c index 04e83fdfbe80..ea38ae86bd66 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -708,16 +708,16 @@ s32 freq_qos_read_value(struct freq_constraints *qos, return ret; } /** - * freq_qos_apply - Add/modify/remove frequency QoS request. + * _freq_qos_apply - Add/modify/remove frequency QoS request. * @req: Constraint request to apply. * @action: Action to perform (add/update/remove). * @value: Value to assign to the QoS request. */ -static int freq_qos_apply(struct freq_qos_request *req, +int _freq_qos_apply(struct freq_qos_request *req, enum pm_qos_req_action action, s32 value) { int ret; switch(req->type) { @@ -733,10 +733,11 @@ static int freq_qos_apply(struct freq_qos_request *req, ret = -EINVAL; } return ret; } +EXPORT_SYMBOL_GPL(_freq_qos_apply); /** * freq_qos_add_request - Insert new frequency QoS request into a given list. * @qos: Constraints to update. * @req: Preallocated request object. @@ -763,11 +764,11 @@ int freq_qos_add_request(struct freq_constraints *qos, "%s() called for active request\n", __func__)) return -EINVAL; req->qos = qos; req->type = type; - ret = freq_qos_apply(req, PM_QOS_ADD_REQ, value); + ret = _freq_qos_apply(req, PM_QOS_ADD_REQ, value); if (ret < 0) { req->qos = NULL; req->type = 0; } @@ -796,11 +797,11 @@ int freq_qos_update_request(struct freq_qos_request *req, s32 new_value) return -EINVAL; if (req->pnode.prio == new_value) return 0; - return freq_qos_apply(req, PM_QOS_UPDATE_REQ, new_value); + return _freq_qos_apply(req, PM_QOS_UPDATE_REQ, new_value); } EXPORT_SYMBOL_GPL(freq_qos_update_request); /** * freq_qos_remove_request - Remove frequency QoS request from its list. @@ -819,11 +820,11 @@ int freq_qos_remove_request(struct freq_qos_request *req) if (WARN(!freq_qos_request_active(req), "%s() called for unknown object\n", __func__)) return -EINVAL; - return freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); + return _freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); } EXPORT_SYMBOL_GPL(freq_qos_remove_request); /** * freq_qos_add_notifier - Add frequency QoS change notifier. From patchwork Fri Oct 25 18:00:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leonard Crestez X-Patchwork-Id: 11212893 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 28F961747 for ; Fri, 25 Oct 2019 18:00:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0EA2F222D0 for ; Fri, 25 Oct 2019 18:00:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731193AbfJYSAz (ORCPT ); Fri, 25 Oct 2019 14:00:55 -0400 Received: from inva020.nxp.com ([92.121.34.13]:54250 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731197AbfJYSAz (ORCPT ); Fri, 25 Oct 2019 14:00:55 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 5EB071A0AE8; Fri, 25 Oct 2019 20:00:53 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 513571A049C; Fri, 25 Oct 2019 20:00:53 +0200 (CEST) Received: from fsr-ub1864-112.ea.freescale.net (fsr-ub1864-112.ea.freescale.net [10.171.82.98]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id E59B7205DB; Fri, 25 Oct 2019 20:00:52 +0200 (CEST) From: Leonard Crestez To: "Rafael J. Wysocki" , Viresh Kumar Cc: MyungJoo Ham , Kyungmin Park , Matthias Kaehlcke , Chanwoo Choi , =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= , linux-pm@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH 3/3] PM: QoS: Restore DEV_PM_QOS_MIN/MAX_FREQUENCY Date: Fri, 25 Oct 2019 21:00:49 +0300 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Support for adding per-device frequency limits was removed in commit 2aac8bdf7a0f ("PM: QoS: Drop frequency QoS types from device PM QoS") after cpufreq switched to use a new "freq_constraints" construct. Restore support for per-device freq limits but base this upon freq_constraints. This is primarily meant to be used by the devfreq subsystem. Signed-off-by: Leonard Crestez --- drivers/base/power/qos.c | 69 ++++++++++++++++++++++++++++++++++++---- include/linux/pm_qos.h | 10 ++++++ 2 files changed, 73 insertions(+), 6 deletions(-) diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 350dcafd751f..52f74edee548 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -113,14 +113,24 @@ s32 dev_pm_qos_read_value(struct device *dev, enum dev_pm_qos_req_type type) unsigned long flags; s32 ret; spin_lock_irqsave(&dev->power.lock, flags); - if (type == DEV_PM_QOS_RESUME_LATENCY) { + switch (type) { + case DEV_PM_QOS_RESUME_LATENCY: ret = IS_ERR_OR_NULL(qos) ? PM_QOS_RESUME_LATENCY_NO_CONSTRAINT : pm_qos_read_value(&qos->resume_latency); - } else { + break; + case DEV_PM_QOS_MIN_FREQUENCY: + ret = IS_ERR_OR_NULL(qos) ? PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE + : freq_qos_read_value(&qos->freq, FREQ_QOS_MIN); + break; + case DEV_PM_QOS_MAX_FREQUENCY: + ret = IS_ERR_OR_NULL(qos) ? PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE + : freq_qos_read_value(&qos->freq, FREQ_QOS_MAX); + break; + default: WARN_ON(1); ret = 0; } spin_unlock_irqrestore(&dev->power.lock, flags); @@ -157,10 +167,14 @@ static int apply_constraint(struct dev_pm_qos_request *req, if (ret) { value = pm_qos_read_value(&qos->latency_tolerance); req->dev->power.set_latency_tolerance(req->dev, value); } break; + case DEV_PM_QOS_MIN_FREQUENCY: + case DEV_PM_QOS_MAX_FREQUENCY: + ret = _freq_qos_apply(&req->data.freq, action, value); + break; case DEV_PM_QOS_FLAGS: ret = pm_qos_update_flags(&qos->flags, &req->data.flr, action, value); break; default: @@ -207,10 +221,12 @@ static int dev_pm_qos_constraints_allocate(struct device *dev) c->target_value = PM_QOS_LATENCY_TOLERANCE_DEFAULT_VALUE; c->default_value = PM_QOS_LATENCY_TOLERANCE_DEFAULT_VALUE; c->no_constraint_value = PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT; c->type = PM_QOS_MIN; + freq_constraints_init(&qos->freq); + INIT_LIST_HEAD(&qos->flags.list); spin_lock_irq(&dev->power.lock); dev->power.qos = qos; spin_unlock_irq(&dev->power.lock); @@ -267,10 +283,22 @@ void dev_pm_qos_constraints_destroy(struct device *dev) plist_for_each_entry_safe(req, tmp, &c->list, data.pnode) { apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); memset(req, 0, sizeof(*req)); } + c = &qos->freq.min_freq; + plist_for_each_entry_safe(req, tmp, &c->list, data.freq.pnode) { + apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE); + memset(req, 0, sizeof(*req)); + } + + c = &qos->freq.max_freq; + plist_for_each_entry_safe(req, tmp, &c->list, data.freq.pnode) { + apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE); + memset(req, 0, sizeof(*req)); + } + f = &qos->flags; list_for_each_entry_safe(req, tmp, &f->list, data.flr.node) { apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); memset(req, 0, sizeof(*req)); } @@ -312,15 +340,26 @@ static int __dev_pm_qos_add_request(struct device *dev, ret = -ENODEV; else if (!dev->power.qos) ret = dev_pm_qos_constraints_allocate(dev); trace_dev_pm_qos_add_request(dev_name(dev), type, value); - if (!ret) { - req->dev = dev; - req->type = type; + if (ret) + return ret; + + req->dev = dev; + req->type = type; + if (req->type == DEV_PM_QOS_MIN_FREQUENCY) + ret = freq_qos_add_request(&dev->power.qos->freq, + &req->data.freq, + FREQ_QOS_MIN, value); + else if (req->type == DEV_PM_QOS_MAX_FREQUENCY) + ret = freq_qos_add_request(&dev->power.qos->freq, + &req->data.freq, + FREQ_QOS_MAX, value); + else ret = apply_constraint(req, PM_QOS_ADD_REQ, value); - } + return ret; } /** * dev_pm_qos_add_request - inserts new qos request into the list @@ -380,10 +419,14 @@ static int __dev_pm_qos_update_request(struct dev_pm_qos_request *req, switch(req->type) { case DEV_PM_QOS_RESUME_LATENCY: case DEV_PM_QOS_LATENCY_TOLERANCE: curr_value = req->data.pnode.prio; break; + case DEV_PM_QOS_MIN_FREQUENCY: + case DEV_PM_QOS_MAX_FREQUENCY: + curr_value = req->data.freq.pnode.prio; + break; case DEV_PM_QOS_FLAGS: curr_value = req->data.flr.flags; break; default: return -EINVAL; @@ -505,10 +548,16 @@ int dev_pm_qos_add_notifier(struct device *dev, struct notifier_block *notifier, switch (type) { case DEV_PM_QOS_RESUME_LATENCY: ret = blocking_notifier_chain_register(dev->power.qos->resume_latency.notifiers, notifier); break; + case DEV_PM_QOS_MIN_FREQUENCY: + ret = freq_qos_add_notifier(&dev->power.qos->freq, FREQ_QOS_MIN, notifier); + break; + case DEV_PM_QOS_MAX_FREQUENCY: + ret = freq_qos_add_notifier(&dev->power.qos->freq, FREQ_QOS_MAX, notifier); + break; default: WARN_ON(1); ret = -EINVAL; } @@ -544,10 +593,18 @@ int dev_pm_qos_remove_notifier(struct device *dev, switch (type) { case DEV_PM_QOS_RESUME_LATENCY: ret = blocking_notifier_chain_unregister(dev->power.qos->resume_latency.notifiers, notifier); break; + case DEV_PM_QOS_MIN_FREQUENCY: + ret = freq_qos_remove_notifier(&dev->power.qos->freq, + FREQ_QOS_MIN, notifier); + break; + case DEV_PM_QOS_MAX_FREQUENCY: + ret = freq_qos_remove_notifier(&dev->power.qos->freq, + FREQ_QOS_MAX, notifier); + break; default: WARN_ON(1); ret = -EINVAL; } diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index e90dae0b8de9..e97c2e376889 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -32,10 +32,12 @@ enum pm_qos_flags_status { #define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC) #define PM_QOS_RESUME_LATENCY_DEFAULT_VALUE PM_QOS_LATENCY_ANY #define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT PM_QOS_LATENCY_ANY #define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS PM_QOS_LATENCY_ANY_NS #define PM_QOS_LATENCY_TOLERANCE_DEFAULT_VALUE 0 +#define PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE 0 +#define PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE (-1) #define PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT (-1) #define PM_QOS_FLAG_NO_POWER_OFF (1 << 0) struct pm_qos_request { @@ -99,25 +101,29 @@ struct freq_qos_request { enum dev_pm_qos_req_type { DEV_PM_QOS_RESUME_LATENCY = 1, DEV_PM_QOS_LATENCY_TOLERANCE, + DEV_PM_QOS_MIN_FREQUENCY, + DEV_PM_QOS_MAX_FREQUENCY, DEV_PM_QOS_FLAGS, }; struct dev_pm_qos_request { enum dev_pm_qos_req_type type; union { struct plist_node pnode; struct pm_qos_flags_request flr; + struct freq_qos_request freq; } data; struct device *dev; }; struct dev_pm_qos { struct pm_qos_constraints resume_latency; struct pm_qos_constraints latency_tolerance; + struct freq_constraints freq; struct pm_qos_flags flags; struct dev_pm_qos_request *resume_latency_req; struct dev_pm_qos_request *latency_tolerance_req; struct dev_pm_qos_request *flags_req; }; @@ -212,10 +218,14 @@ static inline s32 dev_pm_qos_read_value(struct device *dev, enum dev_pm_qos_req_type type) { switch (type) { case DEV_PM_QOS_RESUME_LATENCY: return PM_QOS_RESUME_LATENCY_NO_CONSTRAINT; + case DEV_PM_QOS_MIN_FREQUENCY: + return PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE; + case DEV_PM_QOS_MAX_FREQUENCY: + return PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE; default: WARN_ON(1); return 0; } }