From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752421AbcI1DhN (ORCPT ); Tue, 27 Sep 2016 23:37:13 -0400 Received: from muru.com ([72.249.23.125]:43210 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750738AbcI1DhJ (ORCPT ); Tue, 27 Sep 2016 23:37:09 -0400 Date: Tue, 27 Sep 2016 20:37:04 -0700 From: Tony Lindgren To: "H. Nikolaus Schaller" Cc: =?utf-8?Q?Beno=C3=AEt?= Cousson , Rob Herring , Mark Rutland , Russell King , linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org Subject: Re: [PATCH 2/3] DT: EVM: add LEDs Message-ID: <20160928033703.erwozguik4rie3cn@atomide.com> References: <20160927194904.4im7ukktg5afjmki@atomide.com> <21B97601-328A-41DC-84EE-AA15A6977E98@goldelico.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <21B97601-328A-41DC-84EE-AA15A6977E98@goldelico.com> User-Agent: Mutt/1.6.2-neo (2016-07-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * H. Nikolaus Schaller [160927 13:11]: > > Am 27.09.2016 um 21:49 schrieb Tony Lindgren : > > How about this for defaults: > > > > - heartbeat for led3 > > - cpu0 for led4 > > - cpu1 for led5 > > Good idea. Will try. > > What I don't exactly know is if these gpios based on an I2C-expander > can handle cpu activity triggers or if they are locked up if this i2c > processing triggers another cpu activity... Oh right, if the GPIOs are on the i2c bus it's probably not a good idea :) Or at least will be inaccurate if the bus can sleep. Regards, Tony