From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from tidalnetworks.net (mail.consentry.com [75.35.230.10]) by ozlabs.org (Postfix) with ESMTP id E5E63DDDEA for ; Mon, 3 Nov 2008 14:50:29 +1100 (EST) Message-ID: <490E74FC.4060106@consentry.com> Date: Sun, 02 Nov 2008 19:50:20 -0800 From: Mike Ditto MIME-Version: 1.0 To: Ben Dooks Subject: Re: [PATCH] i2c-cpm: Detect and report NAK right away instead of timing out. References: <490BA2E5.8010309@consentry.com> <20081103002328.GC30438@fluff.org.uk> In-Reply-To: <20081103002328.GC30438@fluff.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev@ozlabs.org, linux-i2c@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Ben Dooks wrote: >> When reading from a device that is not present or declines to respond >> to, e.g., a non-existent register address, CPM immediately reports a >> NAK condition in the TxBD, but the driver kept waiting until a timeout, >> which takes 1 second and causes an ugly console error message. > > hmm, that block of text could probably go into the patch description. It's certainly fine with me if you want to include it. I was just trying, perhaps inappropriately, to separate the "bug report" from the "description of the change". -=] Mike [=-