From nobody Thu Oct 2 23:50:50 2025 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 60B9A3570C1 for ; Tue, 9 Sep 2025 17:53:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757440429; cv=none; b=UJHE7cblU8nbieFfZUSWv9VGMdIUcb95hIhtnuObXbVLxU2fvKOsTRikC960T/o0H59OWJq8cyHXjO5vY9cjvZ0dm5Fwv+7hVUlDQndjgiToo7SzFn9HNTvkJqOxmL/Um0pWdEQQCFeKovV5MDFLTlhV6jS6+yGiaDe9b2IQsVY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757440429; c=relaxed/simple; bh=q6vViRSlfIttEHpbJ08wgxm1w4flYky5nmoyGpoOhAU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rlBNKlW/RJbpltPWx3S+BYcOPzIsP32zRVoxPm+xJqwW0GA8WRtZvgt1G+NaShcdHXKZDFs2rLTHbjaFBpVBeX+RbXjfqRsq0tTpw3s9bK+Y2E1G3aF53PqGSxybDvdx9/tbkhysaTJ2QMIo9fC6ZdBDcDekZMY1zUFYtuzEEmc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1uw2XI-0006iQ-MD for linux-kernel@vger.kernel.org; Tue, 09 Sep 2025 19:53:44 +0200 Received: from moin.white.stw.pengutronix.de ([2a0a:edc0:0:b01:1d::7b] helo=bjornoya.blackshift.org) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uw2XI-000SbY-0N for linux-kernel@vger.kernel.org; Tue, 09 Sep 2025 19:53:44 +0200 Received: from dspam.blackshift.org (localhost [127.0.0.1]) by bjornoya.blackshift.org (Postfix) with SMTP id C5AD346A3D3 for ; Tue, 09 Sep 2025 17:53:43 +0000 (UTC) Received: from hardanger.blackshift.org (unknown [172.20.34.65]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by bjornoya.blackshift.org (Postfix) with ESMTPS id 1144046A39A; Tue, 09 Sep 2025 17:53:41 +0000 (UTC) Received: from hardanger.blackshift.org (localhost [::1]) by hardanger.blackshift.org (OpenSMTPD) with ESMTP id 0f4e6dba; Tue, 9 Sep 2025 17:53:40 +0000 (UTC) From: Marc Kleine-Budde Date: Tue, 09 Sep 2025 19:53:17 +0200 Subject: [PATCH v2 1/7] can: m_can: m_can_plat_remove(): add missing pm_runtime_disable() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250909-m_can-fix-state-handling-v2-1-af9fa240b68a@pengutronix.de> References: <20250909-m_can-fix-state-handling-v2-0-af9fa240b68a@pengutronix.de> In-Reply-To: <20250909-m_can-fix-state-handling-v2-0-af9fa240b68a@pengutronix.de> To: Chandrasekar Ramakrishnan , Vincent Mailhol , Patrik Flykt , Dong Aisheng , Varka Bhadram , Wu Bo , Markus Schneider-Pargmann , Philipp Zabel Cc: linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Marc Kleine-Budde X-Mailer: b4 0.15-dev-e44bb X-Developer-Signature: v=1; a=openpgp-sha256; l=1296; i=mkl@pengutronix.de; h=from:subject:message-id; bh=q6vViRSlfIttEHpbJ08wgxm1w4flYky5nmoyGpoOhAU=; b=owEBbQGS/pANAwAKAQx0Zd/5kJGcAcsmYgBowGmXDvcNXC5qdFf2OlBFiXUB6oTAT0G/nwHcY LC9iKDIldGJATMEAAEKAB0WIQSf+wzYr2eoX/wVbPMMdGXf+ZCRnAUCaMBplwAKCRAMdGXf+ZCR nPTdCACnG1IjsFiQIdV0zdCDbNWqUqySz9MNyLUlkMpVuO2Lti6uJtK3VKxTvAQ0oTLowh5whfk n41Yh6l93wWe/br5f/WJfwf/aTWeBZijF8Rqpjiu69tV65bK/GmMVNmxHPGw2MZFeqIX1kQapFP Iq+ABKs9U8edQnxn+BG5JoadSKacu6q/p/J03j/c4BHTKYrPJTQVqZwHpUhcELyCRaFNbA43QnU gKFVOuMJmCyzbN396jZSPkyQu6oeU6a8voyoLOlh1xYqT7zzpyry15/8tsr0S6X0q1/lAIr5w3c H0TJ7BPNp4iAbl5fmFFNXfUK5+Mr2BvNiRc0YxO2DgcVuX9i X-Developer-Key: i=mkl@pengutronix.de; a=openpgp; fpr=C1400BA0B3989E6FBC7D5B5C2B5EE211C58AEA54 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Commit 227619c3ff7c ("can: m_can: move runtime PM enable/disable to m_can_platform") moved the PM runtime enable from the m_can core driver into the m_can_platform. That patch forgot to move the pm_runtime_disable() to m_can_plat_remove(), so that unloading the m_can_platform driver causes an "Unbalanced pm_runtime_enable!" error message. Add the missing pm_runtime_disable() to m_can_plat_remove() to fix the problem. Cc: Patrik Flykt Fixes: 227619c3ff7c ("can: m_can: move runtime PM enable/disable to m_can_p= latform") Reviewed-by: Markus Schneider-Pargmann Signed-off-by: Marc Kleine-Budde --- drivers/net/can/m_can/m_can_platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can= /m_can_platform.c index b832566efda0..057eaa7b8b4b 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -180,7 +180,7 @@ static void m_can_plat_remove(struct platform_device *p= dev) struct m_can_classdev *mcan_class =3D &priv->cdev; =20 m_can_class_unregister(mcan_class); - + pm_runtime_disable(mcan_class->dev); m_can_class_free_dev(mcan_class->net); } =20 --=20 2.51.0