From patchwork Thu Nov 19 10:03:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 11917057 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 C5967C64E7C for ; Thu, 19 Nov 2020 10:03:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 94D792080A for ; Thu, 19 Nov 2020 10:03:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727175AbgKSKCr (ORCPT ); Thu, 19 Nov 2020 05:02:47 -0500 Received: from mga14.intel.com ([192.55.52.115]:10879 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727058AbgKSKCq (ORCPT ); Thu, 19 Nov 2020 05:02:46 -0500 IronPort-SDR: PAUFLMMmENz6CgUxHPAK6bAlcS8mrSp6wLWHgXvY4AN2drEUpJ2X2hif3pnwgNVz44uJmcEh/P muZknd6kRdzQ== X-IronPort-AV: E=McAfee;i="6000,8403,9809"; a="170482240" X-IronPort-AV: E=Sophos;i="5.77,490,1596524400"; d="scan'208";a="170482240" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2020 02:02:46 -0800 IronPort-SDR: 4rP8QmvTHyGMSLXW+TaqC3wxA+tat2EQI+ouizZ472FCyqqkQLDL32IzmH0v6Rk+IyDqVeCNqB yBR2uzPwKlJg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,490,1596524400"; d="scan'208";a="359909776" Received: from host.sh.intel.com ([10.239.154.115]) by fmsmga004.fm.intel.com with ESMTP; 19 Nov 2020 02:02:44 -0800 From: Ye Xiang To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com Cc: linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Ye Xiang Subject: [PATCH v2 2/4] iio: hid-sensor-trigger: Decrement runtime pm enable count on driver removal Date: Thu, 19 Nov 2020 18:03:29 +0800 Message-Id: <20201119100331.2594-3-xiang.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201119100331.2594-1-xiang.ye@intel.com> References: <20201119100331.2594-1-xiang.ye@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org To avoid pm_runtime_disable called repeatedly by hid sensor drivers, decrease runtime pm enable count after call it. Signed-off-by: Ye Xiang --- drivers/iio/common/hid-sensors/hid-sensor-trigger.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index ff375790b7e8..30340abcbc8d 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -227,8 +227,10 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig, void hid_sensor_remove_trigger(struct iio_dev *indio_dev, struct hid_sensor_common *attrb) { - if (atomic_read(&attrb->runtime_pm_enable)) + if (atomic_read(&attrb->runtime_pm_enable)) { pm_runtime_disable(&attrb->pdev->dev); + atomic_dec(&attrb->runtime_pm_enable); + } pm_runtime_set_suspended(&attrb->pdev->dev); pm_runtime_put_noidle(&attrb->pdev->dev);