Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752007Ab3IRRhm (ORCPT ); Wed, 18 Sep 2013 13:37:42 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:41758 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751613Ab3IRRhk (ORCPT ); Wed, 18 Sep 2013 13:37:40 -0400 Date: Wed, 18 Sep 2013 12:36:36 -0500 From: Felipe Balbi To: Laurent Pinchart CC: Linus Walleij , 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 Message-ID: <20130918173636.GT21559@radagast> Reply-To: References: <20130917190732.GD15645@radagast> <2356541.62QktiIBr5@avalon> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="80Ds8Z/hZmemMosa" Content-Disposition: inline In-Reply-To: <2356541.62QktiIBr5@avalon> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2311 Lines: 61 --80Ds8Z/hZmemMosa Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart wrote: > 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... > >=20 > > Bouncing the question to George, Laurent and Kuninori... >=20 > I've got a board with a PCF8575 chip, but it uses I/Os 8 to 14 only as fa= r as=20 > I know. >=20 > I can try toggling I/O 15, but that will need to wait until next week as = I'm=20 > currently travelling without access to the hardware. alright, that'd help me a lot :-) Just want to make sure if we're having a board issue, or PCF8575 is a bit screwy ;-) Thanks --=20 balbi --80Ds8Z/hZmemMosa Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJSOeSkAAoJEIaOsuA1yqREUAoP/RmjGgpunquif5il7vnvP9+P Be+5vMynpoVFe6idESL1nDSriXnLAeUJ36AhIz1IqAxnkCXdH3iGzQmgXCSmrXBf Kbuaa0A3UCcWKSHpwLv092o6ie/EOFIQTEpYhs+Pe9xTX/3HpAam3zDeulFJIs0h S8AUmHj6+4rRW3w5nkwCuICP2jtNLX4rXvKMjkwTWltqLwlZcf8pPhGMh2Uoe3IV lFtcfdsg0usDiXGf4+kHA9y8S4IQuWe/JO3klIKFsE/CJt7ParhQGTMN98zMGIaC J2Lju8S08/7phfC6nUT5U3k74OKXcIkGsvGo7Kq1vLoA6c5Pz+urRNmb7xYmqOWD Itg2ezH9aaFyW7/kABCHmDyR+JPKuU+dwtuTcvaOxhZME1jrrficyABGh+gGgS8O p/W9eSHHv8nmfEcWZIsXOHuXExvrVRh76K7ZppuI2qsBh+6QZpnlBxTjRXMy9l90 Y4Y/cIF2PBcvGLeWla8+s0X33TBTJecgF8Eq1ZpOQynlvbozdFuIfraC8Aa3AI0R 2ONWdVMjtFKri78yjgDxM+qQPT5PBDfXhXYW0OqHeyFwLm3oQSDi5lTtrkV67Erd /zg0R0zu7K8djnIADGGykcDL5jj+gpEIq0igWaApQz967cvxNLTZKNzNoybBlCUP t1DL2qEfP4UbS/poTRPX =ZauD -----END PGP SIGNATURE----- --80Ds8Z/hZmemMosa-- -- 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/