From nobody Sat Nov 30 05:40:12 2024 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 EAA6E154C0B for ; Wed, 11 Sep 2024 08:51:39 +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=1726044701; cv=none; b=lqV3ibfRdSjvWZr7IMcYzKIAUjvVcAuqzNN+6hm38OKsZzUELcO7S60MHUyBdLPYRXq80Yv+u/b5MRymrtjiv5LWBq6kHju33Yv0Ip1MmoNU7I1tPbD/eBQbuLCHp1MVfXsZaNLcJ/ilvw3xar+L3K/EwFA569v/c8MzZ2htyuQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726044701; c=relaxed/simple; bh=UpX/Ypj/LsvICi5sJpIThh5Z3znBn+6SGKm9oQeNnCs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=DACqdQaop81gRHPNX6RZ8MykZ3Pio6e2iOXpawRE4jRHiYxPExyYI42EwQFBc6bxZ0Rrfp2wgsSCJwEAS+qcKidvpVbi58cOmVFO66vHOX8wGBukxG5fGn1Sxcn62UpRGWJKC2gxEEazAs49DVxABieYHV0D38c5RFfHnOMgYeY= 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 1soJ4c-0005b9-8W for linux-kernel@vger.kernel.org; Wed, 11 Sep 2024 10:51:38 +0200 Received: from [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 4.94.2) (envelope-from ) id 1soJ4b-00766b-RE for linux-kernel@vger.kernel.org; Wed, 11 Sep 2024 10:51:37 +0200 Received: from dspam.blackshift.org (localhost [127.0.0.1]) by bjornoya.blackshift.org (Postfix) with SMTP id 81401338195 for ; Wed, 11 Sep 2024 08:51:37 +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 2612F33818B; Wed, 11 Sep 2024 08:51:35 +0000 (UTC) Received: from [172.20.34.65] (localhost [::1]) by hardanger.blackshift.org (OpenSMTPD) with ESMTP id d96d89aa; Wed, 11 Sep 2024 08:51:34 +0000 (UTC) From: Marc Kleine-Budde Date: Wed, 11 Sep 2024 10:51:30 +0200 Subject: [PATCH] can: m_can: m_can_chip_config(): mask timestamp wraparound IRQ 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: <20240911-can-m_can-mask-timestamp-wraparound-irq-v1-1-0155b70dc827@pengutronix.de> X-B4-Tracking: v=1; b=H4sIABJa4WYC/x2NywrCMBAAf6Xs2YUkVlF/RUTWZNVFkqa79QGl/ 27oZWAuMzMYq7DBqZtB+SMmQ2niNx3EJ5UHo6TmEFzo3dF7jFQwX1eSvXCSzDZRrvhVqqTDuyQ UHTFtKeyj6w+3XYJWq8p3+a2n82VZ/rBM1A15AAAA X-Change-ID: 20240911-can-m_can-mask-timestamp-wraparound-irq-d3a26c048b5d To: Chandrasekar Ramakrishnan , Vincent Mailhol , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: kernel@pengutronix.de, linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jake Hamby , Marc Kleine-Budde X-Mailer: b4 0.15-dev-88a27 X-Developer-Signature: v=1; a=openpgp-sha256; l=1470; i=mkl@pengutronix.de; h=from:subject:message-id; bh=DKq5RRZE6rNCXS6lWV7Nl0shThePckArACpC86ox004=; b=owEBbQGS/pANAwAKASg4oj56LbxvAcsmYgBm4VoTvcq5yFs0zgIL9NmNQnc4kLwOU7k5UmjAV Y9YuRjqquSJATMEAAEKAB0WIQRQQLqG4LYE3Sm8Pl8oOKI+ei28bwUCZuFaEwAKCRAoOKI+ei28 b/yLCACCnLhTA69iLmUao9WSyWl7UhUaGBG+qFpNBPKjSb3lmkpXovSNmxoY1LOxcSnpzde7Jzr Roz33x+Td5bdbBm+CRkSSAItzCKSLR/H397B0BLe0KdBjfMv7BeQchPg7QymKdUt+kpOI47L84+ 1ym2nGcaM/Fmv3Gr7XaIoyFVM8SKCApSp3sPDGqmZutIp6+J2hXqTM9veSC5Z5wqlxUaT9Y8Vu1 /plpq/pU7NLWzCA6UAsOek4rUQyLYUTPS5SLLHl8Ljk1N6lKu3YpiXy76H0v7CrF4s3jxuD0urc IE0tdsk65xCW7/Jr2doXEomwXtpnXwv9yHNQ+Gf3kipGgrwp 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 From: Jake Hamby On the Microchip SAMA7G54 MPU the IR_TSW (timestamp wraparound) fires at about 1 Hz, but the driver doesn't care about it. Add it to the list of interrupts to disable in m_can_chip_config to reduce unneeded wakeups. Signed-off-by: Jake Hamby Signed-off-by: Marc Kleine-Budde --- Hello, this hunk was originally part of Jake's original patch | https://patch.msgid.link/DM8PR14MB5221D9DD3A7F2130EF161AF7EF9E2@DM8PR14MB= 5221.namprd14.prod.outlook.com I've split it into a separate patch. regards, Marc --- drivers/net/can/m_can/m_can.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 012c3d22b01dd3d8558f2a40448770ca1da1aa1e..a7b3bc439ae596527493a73d62b= 4b7a120ae4e49 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1434,7 +1434,8 @@ static int m_can_chip_config(struct net_device *dev) =20 /* Disable unused interrupts */ interrupts &=3D ~(IR_ARA | IR_ELO | IR_DRX | IR_TEFF | IR_TFE | IR_TCF | - IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N | IR_RF0F); + IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N | IR_RF0F | + IR_TSW); =20 err =3D m_can_config_enable(cdev); if (err) --- base-commit: f3b6129b7d252b2fbdcac2e0005abc6804dc287c change-id: 20240911-can-m_can-mask-timestamp-wraparound-irq-d3a26c048b5d Best regards, --=20 Marc Kleine-Budde