From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Subject: PCF857x and 16-bit GPIO expanders Date: Tue, 17 Sep 2013 14:07:32 -0500 Message-ID: <20130917190732.GD15645@radagast> Reply-To: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="27KoNqt0fmcl1zj/" Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: linus.walleij@linaro.org, linux-gpio@vger.kernel.org, Linux Kernel Mailing List , Linux OMAP Mailing List List-Id: linux-gpio@vger.kernel.org --27KoNqt0fmcl1zj/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, 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... Any hints ? cheers --=20 balbi --27KoNqt0fmcl1zj/ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJSOKh0AAoJEIaOsuA1yqREFPQP+gKwfBNTzmxv3avpe6HwkPdP WE2RIXnJ+S4iaM8yeCD5Y9AyfaPn9VUlq+WiHPgeGB2xbs4N2hKo3BjRemWqh8qr HKBPeyQ7sg2zfawAkDsnp4hgIiAR6p5s34TtGN9kcWQ2TEuUnooDu6BQl+V81QIs m047GVXPOAOShBk8sbDT2TZfMEtoB+6uzcRVKZPupX0VGerYb6xcTzCuPEcNk2vn YZCG0Fh9S8SbtiOio3nx7V92d0NCvrN0Xe0HGhXUT6bkImsXsiaIUaJfdd3frXYU GiEWKjefCyAYkrmml6btNTnnhukJhqNjWVUP5yUlAuXIYhCES5kLIm7auVo+E9yw btI+dIQRdH+f1pNh+s1tLrw1wXVUm9VZvb9D6vM2rlPvpruVH3BMydOOWQetiVvw LhhnNjFeX7UX6PhhAhhOAbZ8W4hAIoJcfQgowoOra/hRaXuH9dVphpGBVugZY12Z uuiUIRd7XuWcMoElvecUaWnU7+ckf8psuYFHkPmxNCdlq+1I4pt00aBqI9A/N+pv dc296mOTlpeC2IuwHVHn8+uNfEunFCPYo9Tm3IVVqqxWF5caw5nqJcTNCcBxPQNt QEnKc9s3C4oXqa89QXby0nR9RClTG+BF71tx/CXCU96w9yBVocMTeIBhy5JQiCZ/ TbSQIHJXefP13erBinOP =LRSi -----END PGP SIGNATURE----- --27KoNqt0fmcl1zj/--