From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DATE_IN_PAST_06_12, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A13EDC433E1 for ; Tue, 19 May 2020 05:38:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D54320708 for ; Tue, 19 May 2020 05:38:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728293AbgESFif (ORCPT ); Tue, 19 May 2020 01:38:35 -0400 Received: from mga05.intel.com ([192.55.52.43]:18092 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728216AbgESFie (ORCPT ); Tue, 19 May 2020 01:38:34 -0400 IronPort-SDR: xaFxeO+rVgF/y9mMeGPNcdPR0Jgzf9bzhJmsfT2cn6z4OQXAokjaJOsIC0rT6kcBrQ5cCezKQN 3qyEvDaIGSTg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2020 22:38:34 -0700 IronPort-SDR: rprKud2ASA/3Nc7i0qLhTHu3lEEKQpIJh3WEGfILRP9ubQiQVmzCkXJtlbDjxKz5a5DwoWHZ8V AMAaCIhloYXQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,409,1583222400"; d="scan'208";a="288836611" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by fmsmga004.fm.intel.com with ESMTP; 18 May 2020 22:38:30 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, rander.wang@linux.intel.com, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, slawomir.blauciak@intel.com, mengdong.lin@intel.com, bard.liao@intel.com Subject: [PATCH v2 5/5] soundwire: master: add runtime pm support Date: Tue, 19 May 2020 01:43:22 +0800 Message-Id: <20200518174322.31561-6-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200518174322.31561-1-yung-chuan.liao@linux.intel.com> References: <20200518174322.31561-1-yung-chuan.liao@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We need to enable runtime_pm on master device with generic helpers, so that a Slave-initiated wake is propagated to the bus parent. Signed-off-by: Bard Liao --- drivers/soundwire/master.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/soundwire/master.c b/drivers/soundwire/master.c index 6be0a027def7..5411791e6aff 100644 --- a/drivers/soundwire/master.c +++ b/drivers/soundwire/master.c @@ -3,6 +3,7 @@ #include #include +#include #include #include #include "bus.h" @@ -14,9 +15,15 @@ static void sdw_master_device_release(struct device *dev) kfree(md); } +static const struct dev_pm_ops master_dev_pm = { + SET_RUNTIME_PM_OPS(pm_generic_runtime_suspend, + pm_generic_runtime_resume, NULL) +}; + struct device_type sdw_master_type = { .name = "soundwire_master", .release = sdw_master_device_release, + .pm = &master_dev_pm, }; /** -- 2.17.1