From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 306637D072 for ; Fri, 20 Jul 2018 10:05:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730524AbeGTKwx (ORCPT ); Fri, 20 Jul 2018 06:52:53 -0400 Received: from mail.bootlin.com ([62.4.15.54]:41296 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729816AbeGTKwx (ORCPT ); Fri, 20 Jul 2018 06:52:53 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id 7633220766; Fri, 20 Jul 2018 12:05:20 +0200 (CEST) Received: from bbrezillon (AAubervilliers-681-1-78-122.w90-88.abo.wanadoo.fr [90.88.20.122]) by mail.bootlin.com (Postfix) with ESMTPSA id CA09B203EC; Fri, 20 Jul 2018 12:05:19 +0200 (CEST) Date: Fri, 20 Jul 2018 12:05:18 +0200 From: Boris Brezillon To: Peter Rosin Cc: Arnd Bergmann , Wolfram Sang , linux-i2c@vger.kernel.org, Jonathan Corbet , "open list:DOCUMENTATION" , Greg Kroah-Hartman , Przemyslaw Sroka , Arkadiusz Golec , Alan Douglas , Bartosz Folta , Damian Kos , Alicja Jurasik-Urbaniak , Cyprian Wronka , Suresh Punnoose , Rafal Ciepiela , Thomas Petazzoni , Nishanth Menon , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , DTML , Linux Kernel Mailing List , Vitor Soares , Geert Uytterhoeven , Linus Walleij , Xiang Lin , linux-gpio@vger.kernel.org, Sekhar Nori , Przemyslaw Gaj Subject: Re: [PATCH v6 00/10] Add the I3C subsystem Message-ID: <20180720120518.445b947b@bbrezillon> In-Reply-To: <2ab0ab75-2df0-2714-f007-c33b25481016@axentia.se> References: <20180719152930.3715-1-boris.brezillon@bootlin.com> <2ab0ab75-2df0-2714-f007-c33b25481016@axentia.se> X-Mailer: Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Fri, 20 Jul 2018 11:57:56 +0200 Peter Rosin wrote: > > Maybe a bit-bang I3C master isn't feasible for some fundamental > reason? No, it's clearly not. The way an I3C master is supposed to switch from open-drain to push-pull during a transaction or the concept of IBIs are the first things that come to mind, but I guess you have plenty of other reasons preventing you from implementing a i3c-bit-bang master. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html