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[2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id u18-20020a509512000000b0056e64f21501si8435041eda.530.2024.04.24.04.55.22 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Apr 2024 04:55:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-156823-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=pengutronix.de); spf=pass (google.com: domain of linux-kernel+bounces-156823-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-156823-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id AD9201F2489C for ; Wed, 24 Apr 2024 11:55:22 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2037B15ADA1; Wed, 24 Apr 2024 11:55:14 +0000 (UTC) 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 668D215A4A3 for ; Wed, 24 Apr 2024 11:55:12 +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=1713959713; cv=none; b=Mvg2qXzmeKWw8/SwrctTbuzP25mIVa0atJH8ATfjArRUo77qQR0aZHXMq34UDbW3jSPLpLeMKJNTm3C71favy84QZrjat4ni/QAMR/SpdsyjlVwhw1ClUHInx+jo9s9WwudUNdBpPaz29RlU/MEqsVg+esoR3fJhSUtshWvZ9yY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713959713; c=relaxed/simple; bh=laKzd3mIW3DWI5qUup3vRqxbLwrPRojH8Z7HJlY1Apc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kOrFXDw5dIrQcmfGIxe2BzzgxLpfb9fj0MC1NXqIduqlrNwPD710qy6VAZ6tQjLQal/g0iCh1Q8Um67CG0rZ9BYQtsHffi6IPK/6jG7DN1y/4sN9nM0adckLakClQ1kkFMH4eATz/yOkRhMEvlhIhSVwy9BYTDRxrS6CkyKBiJA= 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 1rzbDD-00033t-Ou; Wed, 24 Apr 2024 13:54:55 +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 1rzbDD-00E4Rk-8O; Wed, 24 Apr 2024 13:54:55 +0200 Received: from pengutronix.de (unknown [172.20.34.65]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: mkl-all@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id C8B292BEDFC; Wed, 24 Apr 2024 11:54:54 +0000 (UTC) Date: Wed, 24 Apr 2024 13:54:54 +0200 From: Marc Kleine-Budde To: Gregor Herburger Cc: Manivannan Sadhasivam , Thomas Kopp , Vincent Mailhol , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux@ew.tq-group.com, alexander.stein@ew.tq-group.com Subject: Re: [PATCH 1/4] can: mcp251xfd: stop timestamp before sending chip to sleep Message-ID: <20240424-adaptable-zircon-badger-1fefd9-mkl@pengutronix.de> References: <20240417-mcp251xfd-gpio-feature-v1-0-bc0c61fd0c80@ew.tq-group.com> <20240417-mcp251xfd-gpio-feature-v1-1-bc0c61fd0c80@ew.tq-group.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="42zcn6qmd3zur5l3" Content-Disposition: inline In-Reply-To: <20240417-mcp251xfd-gpio-feature-v1-1-bc0c61fd0c80@ew.tq-group.com> 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 --42zcn6qmd3zur5l3 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 17.04.2024 15:43:54, Gregor Herburger wrote: > MCP2518FD exits Low-Power Mode (LPM) when CS is asserted. When chip > is send to sleep and the timestamp workqueue is not stopped chip is > waked by SPI transfer of mcp251xfd_timestamp_read. How does the Low-Power Mode affect the GPIO lines? Is there a difference if the device is only in sleep mode? regards, Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung N=C3=BCrnberg | Phone: +49-5121-206917-129 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-9 | --42zcn6qmd3zur5l3 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEUEC6huC2BN0pvD5fKDiiPnotvG8FAmYo8wsACgkQKDiiPnot vG94AAf/fWp9nrOulZnq9/AdJQ9ZdkwwGBc1Y2so9ZSM9MUN1SAmlR5E67MpNdT5 IUuME7nsewsFsKPeirJiFFP8Vi0c4+ID0GimQkD6XKlNPjtBzJPDW3LfwPzkYg9w Z2jizgKuBwrJvqRHxREhRuAzU0SSBSmb7kh9a0mE2JjC7ju6E5wqYQvbI+P7tnFK VaWIq75tHVWGIp6IhnQtudGoRi+YUVaqTeoHpfyEgnCosZ8b4vhN8EasSnA1S5si 1vDZBgCHfVqQ4Losf9Z0zUQx5KSSGjpQJP6YirqqUXqUTbrd0g7ht59550jAT5JE aZXrBcZxYBPxliNx/Kg1HmJUxCP2uQ== =MLif -----END PGP SIGNATURE----- --42zcn6qmd3zur5l3--