Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753251Ab3IRRSF (ORCPT ); Wed, 18 Sep 2013 13:18:05 -0400 Received: from perceval.ideasonboard.com ([95.142.166.194]:54272 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753197Ab3IRRSD (ORCPT ); Wed, 18 Sep 2013 13:18:03 -0400 From: Laurent Pinchart To: Linus Walleij Cc: Felipe Balbi , George Cherian , Laurent Pinchart , Kuninori Morimoto , "linux-gpio@vger.kernel.org" , Linux Kernel Mailing List , Linux OMAP Mailing List Subject: Re: PCF857x and 16-bit GPIO expanders Date: Wed, 18 Sep 2013 19:18:04 +0200 Message-ID: <2356541.62QktiIBr5@avalon> User-Agent: KMail/4.10.5 (Linux/3.8.13-gentoo; KDE/4.10.5; x86_64; ; ) In-Reply-To: References: <20130917190732.GD15645@radagast> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 975 Lines: 25 On Wednesday 18 September 2013 13:16:27 Linus Walleij wrote: > On Tue, Sep 17, 2013 at 9:07 PM, Felipe Balbi wrote: > > has anyone ever successfully using gpio-pcf857x.c driver with 16-bit > > gpio expanders ? We're having some issues here where toggling the last > > gpio pin (gpio 15) on a PCF8575 device causes platform to hang and I > > can't come up with any explanation of why would it hang... > > Bouncing the question to George, Laurent and Kuninori... I've got a board with a PCF8575 chip, but it uses I/Os 8 to 14 only as far as I know. I can try toggling I/O 15, but that will need to wait until next week as I'm currently travelling without access to the hardware. -- Regards, Laurent Pinchart -- 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/