Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp796267pxf; Wed, 7 Apr 2021 11:45:31 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxHasIr0odvBhxjXgo34uyN5EsQ9TkRpoC5E67Uk1Bdoa2KfozGz3UUvjcrpDsCCp1JWZ5U X-Received: by 2002:a05:6402:280f:: with SMTP id h15mr2688451ede.150.1617821131489; Wed, 07 Apr 2021 11:45:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617821131; cv=none; d=google.com; s=arc-20160816; b=V9QPPJP4W1wtXinSC+ELMwgJH3V12h3TIFf+FoacHAZtOzX0ucb0XDc9aCcyPTLtwx sPXkl12ePDQiiUvS0wmqrFEotmu8sc40Qp0pBmtomwCLO9foXc/AQvlR+dl2HWHsoQfy 8DGJzSj7SPnhS/j4HhA0d7xyTmKpsTsSiGXw06uKx4NgzwF/qUy550E5959c2Awdp1HA haaEUGfFl0uH0zkAtzV05isrAHgqDiKI8xcbstvRBps2hIoafJAjPnN7UqapepTgjDEs SY5I6bhUibcvyCkqEXupJZF/LxlAPx/4F6MH3K1klCo6Vm7cZRESbRAAAOS4ydNDSYri iZ8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:cc:to:from; bh=15+7bitBnF40apIIn7S/sh3kwfgPyEARQ75opOzhEQc=; b=e4lFgL76gj26sa5mBQvdu9yXGAGe9767hvaiLEpGbuabFlrTXCgZFloQE4Y1n1QaEP 3RQuR/kev5CpAQtIGHF2o8eDq/RFn+Z3sGp0G2g0Lif44glP8WMwIEtzB/owJmdZv37X eKYqLhhVXTAwKEZsGhMMM6flGEscmcmzD+lp2dgeudGTulScCgzIxIRizbFwUTIT/4yk cFN3+ElZz9gTIK2WPIbVVmqW7qmSarq0ocvQ3HzU0Wg1nOWDF0xs9tQyE7UxrNonOl/9 EgBw6p+zOBAXOszKG6UFPMryZ4lVQv7TzRg3eWSXV0AvooLe7UawIrSBldYHTnkB7WM8 8uMg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dd24si7483266ejb.656.2021.04.07.11.45.03; Wed, 07 Apr 2021 11:45:31 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244438AbhDGFAE (ORCPT + 99 others); Wed, 7 Apr 2021 01:00:04 -0400 Received: from mail.zju.edu.cn ([61.164.42.155]:30482 "EHLO zju.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S232421AbhDGFAD (ORCPT ); Wed, 7 Apr 2021 01:00:03 -0400 Received: from localhost.localdomain (unknown [10.192.24.118]) by mail-app2 (Coremail) with SMTP id by_KCgDHzzc7PG1g6cbRAA--.19797S4; Wed, 07 Apr 2021 12:59:43 +0800 (CST) From: Dinghao Liu To: dinghao.liu@zju.edu.cn, kjlu@umn.edu Cc: Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Alexandru Ardelean , Matt Ranostay , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] iio: proximity: pulsedlight: Fix rumtime PM imbalance on error Date: Wed, 7 Apr 2021 12:59:35 +0800 Message-Id: <20210407045938.29129-1-dinghao.liu@zju.edu.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: by_KCgDHzzc7PG1g6cbRAA--.19797S4 X-Coremail-Antispam: 1UD129KBjvdXoW7GrWfKF4rury8tw18Gw1xXwb_yoWfWFX_ur nFyrW0qF1UC3y7Kw47A3WSqrZY9ryYqF98Xr1ktF13CFy2yr9a9r97trZ8Aw45Xw48Gr98 KFs29Fn7Ar4IgjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbVkFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AK wVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20x vE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjcxK6I8E 87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c 8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_ Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0xkIwI1l42xK82IY c2Ij64vIr41l42xK82IY6x8ErcxFaVAv8VW8uw4UJr1UMxC20s026xCaFVCjc4AY6r1j6r 4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF 67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2I x0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Wr1j6rW3Jr1lIxAI cVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2Kf nxnUUI43ZEXa7VUbXdbUUUUUU== X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgoGBlZdtTQGhAANsN Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When lidar_write_control() fails, a pairing PM usage counter decrement is needed to keep the counter balanced. Signed-off-by: Dinghao Liu --- drivers/iio/proximity/pulsedlight-lidar-lite-v2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c index c685f10b5ae4..cc206bfa09c7 100644 --- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c +++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c @@ -160,6 +160,7 @@ static int lidar_get_measurement(struct lidar_data *data, u16 *reg) ret = lidar_write_control(data, LIDAR_REG_CONTROL_ACQUIRE); if (ret < 0) { dev_err(&client->dev, "cannot send start measurement command"); + pm_runtime_put_noidle(&client->dev); return ret; } -- 2.17.1