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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 43CF6C33CAF for ; Thu, 16 Jan 2020 18:14:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 224B5208C3 for ; Thu, 16 Jan 2020 18:14:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579198468; bh=5SFjfnnlGX9OravrgxsRQnyQQhbFT+ySXxAv4R06kdM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FkMKZPZsBrJCWJNyn1O2rpCCEYDVy4QNawQ140oGXCrxEw+1BfuF/vmwqbroGSeOV mHZYgjrg2LcdANZTQ9KtByZ1AXkEAJ2Mxq6YQqbPlSnc40qnkb9H48EhoJJO2MRs3z 8mwkZ6LlMaPq+vJmzreQ1o7oLgwKGkwrKGmhs+yw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2395372AbgAPSO1 (ORCPT ); Thu, 16 Jan 2020 13:14:27 -0500 Received: from mail.kernel.org ([198.145.29.99]:48924 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393050AbgAPRe4 (ORCPT ); Thu, 16 Jan 2020 12:34:56 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0F19B246CC; Thu, 16 Jan 2020 17:34:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579196096; bh=5SFjfnnlGX9OravrgxsRQnyQQhbFT+ySXxAv4R06kdM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qhw2WEuhvPks/bWva2i0V9lrQiy5iKjM9ztgVkkpwvRSupsN+2tzgd60c1BEWIw1K jU3FQYNciSxj33mDR9whUomQLs2iX2/U3MOWU5AXZ/CEiYJmAtZFj+aa6s0ixzwrRZ KnsNdZXqRLfF4W+oBUeZWydU7hBjkBalNQwlwZ9w= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Hans de Goede , Andy Shevchenko , Thierry Reding , Sasha Levin , linux-pwm@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 008/251] pwm: lpss: Release runtime-pm reference from the driver's remove callback Date: Thu, 16 Jan 2020 12:30:42 -0500 Message-Id: <20200116173445.21385-8-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116173445.21385-1-sashal@kernel.org> References: <20200116173445.21385-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hans de Goede [ Upstream commit 42885551cedb45961879d2fc3dc3c4dc545cc23e ] For each pwm output which gets enabled through pwm_lpss_apply(), we do a pm_runtime_get_sync(). This commit adds pm_runtime_put() calls to pwm_lpss_remove() to balance these when the driver gets removed with some of the outputs still enabled. Fixes: f080be27d7d9 ("pwm: lpss: Add support for runtime PM") Acked-by: Andy Shevchenko Signed-off-by: Hans de Goede Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/pwm/pwm-lpss.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index 5208b3f80ad8..239003807c08 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -205,6 +205,12 @@ EXPORT_SYMBOL_GPL(pwm_lpss_probe); int pwm_lpss_remove(struct pwm_lpss_chip *lpwm) { + int i; + + for (i = 0; i < lpwm->info->npwm; i++) { + if (pwm_is_enabled(&lpwm->chip.pwms[i])) + pm_runtime_put(lpwm->chip.dev); + } return pwmchip_remove(&lpwm->chip); } EXPORT_SYMBOL_GPL(pwm_lpss_remove); -- 2.20.1