From patchwork Thu Oct 17 19:22:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 11196997 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 657B41575 for ; Thu, 17 Oct 2019 19:22:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4329120869 for ; Thu, 17 Oct 2019 19:22:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ZRMqUay0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4329120869 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=EDAzby8BFaqukt5l9VrRM7r7+xDnydW6OmHaBArZZSo=; b=ZRMqUay0O/Ldb0 MtW/9minuq26H8iQIyr1Wt9GGiJQvQ6m/R6pJsYqh82ZzDrR8cjo/Pav0eVFNMHM+szJ+WGlJMTyG 3X9qP+3TkmWJGZgflxt28O0494nGEnCf0EV+AX3i2ciXFlrwgl5OGKEjuWZxy8nPcKRfGo+qhsjUY v+h2Jobucf1V0zxSoBquSAWQ/L1n9L1DCcKC4nXNyQ80NISIkRmHNvQz7IX8Ak+MgoGHzbOzK1oBM c/TlfOJklf4G+E7xWpr7X3PIdZfyL5i9b1Wn6mNI7lM0WhTq1HIDSTLT9cLpb3Vr3oP7uXdEotzzt dmhuMqvvphW3LDRqfFRw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLBLy-0006S8-KG; Thu, 17 Oct 2019 19:22:30 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLBLu-0006RM-Fb for linux-arm-kernel@lists.infradead.org; Thu, 17 Oct 2019 19:22:27 +0000 Received: from pty.hi.pengutronix.de ([2001:67c:670:100:1d::c5]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iLBLo-0004v9-45; Thu, 17 Oct 2019 21:22:20 +0200 Received: from ukl by pty.hi.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1iLBLn-00031d-8z; Thu, 17 Oct 2019 21:22:19 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding , Yendapally Reddy Dhananjaya Reddy , Ray Jui , Scott Branden Subject: [PATCH] pwm: bcm-iproc: prevent unloading the driver module while in use Date: Thu, 17 Oct 2019 21:22:18 +0200 Message-Id: <20191017192218.9042-1-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c5 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191017_122226_520538_27228B49 X-CRM114-Status: GOOD ( 11.63 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The owner member of struct pwm_ops must be set to THIS_MODULE to increase the reference count of the module such that the module cannot be removed while its code is in use. Fixes: daa5abc41c80 ("pwm: Add support for Broadcom iProc PWM controller") Signed-off-by: Uwe Kleine-König Reviewed-by: Florian Fainelli --- drivers/pwm/pwm-bcm-iproc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pwm/pwm-bcm-iproc.c b/drivers/pwm/pwm-bcm-iproc.c index 56c38cfae92c..1f829edd8ee7 100644 --- a/drivers/pwm/pwm-bcm-iproc.c +++ b/drivers/pwm/pwm-bcm-iproc.c @@ -187,6 +187,7 @@ static int iproc_pwmc_apply(struct pwm_chip *chip, struct pwm_device *pwm, static const struct pwm_ops iproc_pwm_ops = { .apply = iproc_pwmc_apply, .get_state = iproc_pwmc_get_state, + .owner = THIS_MODULE, }; static int iproc_pwmc_probe(struct platform_device *pdev)