Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752680AbbECKCd (ORCPT ); Sun, 3 May 2015 06:02:33 -0400 Received: from mail-ob0-f178.google.com ([209.85.214.178]:32985 "EHLO mail-ob0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752467AbbECKCO convert rfc822-to-8bit (ORCPT ); Sun, 3 May 2015 06:02:14 -0400 MIME-Version: 1.0 In-Reply-To: References: <20150428141630.GR22845@sirena.org.uk> <20150428171738.GY22845@sirena.org.uk> <20150429174059.GQ22845@sirena.org.uk> <20150429180659.GT22845@sirena.org.uk> <20150430195829.GG22845@sirena.org.uk> Date: Sun, 3 May 2015 12:02:13 +0200 X-Google-Sender-Auth: yyqAFWKyQtkRurEdZllYMsGzPDw Message-ID: Subject: Re: [linux-sunxi] [PATCH 2/3] spidev: Add DT binding example. From: Geert Uytterhoeven To: Martin Sperl Cc: Mark Brown , Michal Suchanek , "Eric D." , linux-sunxi , Jonathan Corbet , Hans de Goede , Linux Kernel Mailing List , Maxime Ripard , linux-spi Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1589 Lines: 38 On Sun, May 3, 2015 at 11:01 AM, Martin Sperl wrote: >> On 30.04.2015, at 21:58, Mark Brown wrote: >> A big reason for that is that it's not in my inbox for me to review, >> these messages I flagged as unhelpful aren't going to help with that if >> only because I don't want to create the impression that such behaviour >> achieves results. > > What about implementing it like this: > echo -n “spi32761.4” > /sys/bus/spi/drivers/spidev/bind > > Would this be an acceptable solution? > > This is actually mentioned in Documentation/spi/spidev as a > possible option for the future - quote: > >> (Sysfs also supports userspace driven binding/unbinding of drivers to >> devices. That mechanism might be supported here in the future.) > > Not sure why it does not work right now (but it works for “real” > device-drivers), but I guess it has to do with compatibility checks. IIRC, PCI drivers support adding more compatible entries through /sysfs. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- 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/