From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754819Ab2D1S2T (ORCPT ); Sat, 28 Apr 2012 14:28:19 -0400 Received: from lnx141.hrz.tu-darmstadt.de ([130.83.156.236]:42333 "EHLO lnx141.hrz.tu-darmstadt.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751638Ab2D1S2R (ORCPT ); Sat, 28 Apr 2012 14:28:17 -0400 X-Greylist: delayed 667 seconds by postgrey-1.27 at vger.kernel.org; Sat, 28 Apr 2012 14:28:16 EDT From: Uwe Bonnes MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <20380.13347.472373.965813@elektron.ikp.physik.tu-darmstadt.de> Date: Sat, 28 Apr 2012 20:17:07 +0200 To: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: [PATCH] usb: cp210x: Added support for GPIO (CP2103/4/5) In-Reply-To: <20120428190502.32eaf294@pyramind.ukuu.org.uk> References: <1335632134-2488-1-git-send-email-preston.fick@silabs.com> <20120428190502.32eaf294@pyramind.ukuu.org.uk> X-Mailer: VM 7.19 under Emacs 21.3.1 X-PMX-TU: seen v1.2 by 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2012.4.28.180332 X-PMX-RELAY: outgoing Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Alan" == Alan Cox writes: ... Alan> The other question is whether having some custom gpio poking Alan> interface is actually a good idea. I suspect probably not. The Alan> kernel gpio layer can help a bit but doesn't really solve the Alan> problem as there is no way to tie a gpio to a port. Given how many Alan> devices seem to have gpios these days I wonder if we need a gpio Alan> setting interface via termiox. Is this really kernel stuff or better handled in libusb(x)? Bye -- Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt --------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------