Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932881Ab3GLL3T (ORCPT ); Fri, 12 Jul 2013 07:29:19 -0400 Received: from mail-oa0-f52.google.com ([209.85.219.52]:57022 "EHLO mail-oa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932757Ab3GLL3R (ORCPT ); Fri, 12 Jul 2013 07:29:17 -0400 MIME-Version: 1.0 In-Reply-To: <20130712110047.GA3135@katana> References: <20130606183346.GA13259@bingao-desk1.fm.intel.com> <20130705195512.GJ27646@sirena.org.uk> <20130712110047.GA3135@katana> Date: Fri, 12 Jul 2013 14:29:16 +0300 Message-ID: Subject: Re: i2c: introduce i2c helper i2c_find_client_by_name() From: Andy Shevchenko To: Wolfram Sang Cc: Mark Brown , Bin Gao , linux-i2c@vger.kernel.org, "linux-kernel@vger.kernel.org" , Laurent Pinchart Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1171 Lines: 27 On Fri, Jul 12, 2013 at 2:00 PM, Wolfram Sang wrote: > >> Briefly looking into ACPI tables we have and mechanisms that we can >> use in ACPI case, I doubt we may apply all the ideas, probably some of >> them, though I didn't get yet where to read about in details. What I >> could say now is that the patch provided by Bin Gao is definitely no >> go. > > Laurent explained to me what V4L did and now does. It used to be the way > tha V4L drivers did register I2C slaves according to platform_data. Now, > with DT the slaves get instanciated earlier, so they now use notifiers > to know when the slaves are in place. Something like this should > probably be done here, too, instead of unregistering and re-registering. Yes, seems right way to go. I think ACPI case can use V4L2 async API somehow, though it has its own event model. I'll talk to Sakari Ailus to sync. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/