From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH] i2c: at91: ensure state is restored after suspending Date: Mon, 30 Jan 2017 18:44:04 +0100 Message-ID: <20170130174403.GA3282@tetsubishi> References: <20170130172533.31995-1-alexandre.belloni@free-electrons.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="azLHFNyN32YCQGCU" Return-path: Received: from sauhun.de ([89.238.76.85]:44408 "EHLO pokefinder.org" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751250AbdA3RoI (ORCPT ); Mon, 30 Jan 2017 12:44:08 -0500 Content-Disposition: inline In-Reply-To: <20170130172533.31995-1-alexandre.belloni@free-electrons.com> Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: Alexandre Belloni Cc: Ludovic Desroches , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org --azLHFNyN32YCQGCU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > + at91_init_twi_bus(twi_dev); Can't this function reinit the registers to the needed values? I am not convinced that a cache will always reflect the proper state after resume. --azLHFNyN32YCQGCU Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJYj3tjAAoJEBQN5MwUoCm2uNcP/2+hizkse10ydR3y8hiXjS/7 9rOaZExukAMlHrEiPqZz+sLsZGlkL+uX4FMEFHSTQECIc/qVd/OHHWvCiZSPvdQA paEmtTwDjz6539OD+2AdmrsaGUtTiswc1DU4zlQqcaLpf6bjJylePlHE8zc5ufZN 9SNCNohq+sZXF05KJdYZhCE9NGsb67hL9cnrA8zKkbFoAtO7ukl4ZyvVXUfuG8Qh yNDuqX/oAYGDXqB6mVsRcIxStT70QLd3MWidcy/t98ozwr0hngv9oDD8GN3sC5Tb 9UDhz2mr84eJmlA98kXqTbH+/vgQbpGDJg12iF7mDPsVHTel3BIR9eMa3o5GMyww KJvYjf8fZqeC80CS3XD0a/JYYm1HWHKCuOK5bdvcbMLXxHafxBxvYLJ9Y4aAAFUx tSM+0ozeuk+jje2yegjNbjsjDdlc/RzccSETSSLdCyHhK8Y9/CRHddHM/YrFbX0u zprd3P8mX2xQdRBRlOpyo+3Un9curmyFvv951amfrqiGVVXii2u8JwFzzEHYlKVP +dwkctm/VBmHjrEKf3KuwIeAPC29d7l66BmCBUeAVD8hNA4pxXnl+J4YfARpMDtF o8GCAo6MFwFVwbXAGh7cWlfkuTLUDwm3orGt6/XZw2LOk9khkJQPWmwUmfesp/Uc FOIjxUrrPZhJX7/Gr/Fz =UNrK -----END PGP SIGNATURE----- --azLHFNyN32YCQGCU--