From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH 2/2] i2c: designware: Fix runtime PM for I2C slave mode Date: Thu, 17 Aug 2017 17:57:12 +0200 Message-ID: <20170817155712.oces7tvdrrrstob4@ninjato> References: <20170815143445.26167-1-jarkko.nikula@linux.intel.com> <20170815143445.26167-2-jarkko.nikula@linux.intel.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="4fjhfbfguri3wyey" Return-path: Received: from sauhun.de ([88.99.104.3]:60295 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751637AbdHQP5O (ORCPT ); Thu, 17 Aug 2017 11:57:14 -0400 Content-Disposition: inline In-Reply-To: <20170815143445.26167-2-jarkko.nikula@linux.intel.com> Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: Jarkko Nikula Cc: linux-i2c@vger.kernel.org, Andy Shevchenko , Mika Westerberg , Luis Oliveira --4fjhfbfguri3wyey Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 15, 2017 at 05:34:45PM +0300, Jarkko Nikula wrote: > I2C slave controller must be powered and active all the time when I2C > slave backend is registered in order to let master address and > communicate with us. >=20 > Now if the controller is runtime PM capable it will be suspended after > probe and cannot ever respond to the master or generate interrupts. >=20 > Fix this by resuming the controller when I2C slave backend is registered > and let it suspend after unregistering. >=20 > Signed-off-by: Jarkko Nikula Applied to for-current, thanks! --4fjhfbfguri3wyey Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlmVvNgACgkQFA3kzBSg KbZSVxAAh8seYj8cHGE7LsDAVk/Fh4HAWuRotyZzisLyHUvS5qMGnnuPmIFWmCIP P53Cp0hKf+EsnU1zkBEnQh2NYQY6htFO6R7kZ1289B4Ihafkv2ghHD/KEwHLptNx /2CAYc551LjNqGmNnHU9QOve4Bt6fGwZsG3iDWjeJofnS7CDNpmSixVa8eGpTCrC qO+dHjc/9cv0n4qpP47WfJpOLK6a92e9r6iDlZGreJWos+b9mpXsKObI3LowCCcK yZ09zASugP1ox7DJ1Pw4MSMLoqwYZvAi6bM8Vl0KTH7G3THc5mlqducK3qUdckWD MH69H/JZgCI3RWgX+yj0ASD+FeCfbET4/hvzQRzqWnq8HfqDzFEkSFPwxSanKysZ 8Yx6J7mcwog9Ermw6V1/6/nWoInm7sCMMGw3r+CrwG7zwTcD5btE9H5rAT+8Fkdy 4wCILnOjObAQh4RC1ZkcaeRxasBX2aCX3W6p608hh55P7wuW8NKXNI+VaybCsywI m1dtK7bSWxCTz8dWYBVj1tglbU/ZyD7XC0Bhh2NBNB1h7xAt0VUKPvcc3xuXxJOC rHmMcnBEWl/hOhu4QwD4ZQdiHCdJ8lVEKvc6FekC2a4ioJYx7hBojL6ulzgZ+g7b J0RycP/r6g4b/8qa2ADgtpYjy44/56iT/VOV59N1No+II2U/ITw= =Wss0 -----END PGP SIGNATURE----- --4fjhfbfguri3wyey--