linux-kernel - Re: [PATCH v5 1/3] gpio: Cygnus: define Broadcom Cygnus GPIO binding

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20141217104428.GV11285@n2100.arm.linux.org.uk>
Date:	Wed, 17 Dec 2014 10:44:28 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Alexandre Courbot <gnurou@...il.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Ray Jui <rjui@...adcom.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Grant Likely <grant.likely@...aro.org>,
	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Joe Perches <joe@...ches.com>,
	Scott Branden <sbranden@...adcom.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	bcm-kernel-feedback-list@...adcom.com,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v5 1/3] gpio: Cygnus: define Broadcom Cygnus GPIO binding

On Wed, Dec 17, 2014 at 11:45:01AM +0900, Alexandre Courbot wrote:
> Actually we are not that far from being able to do completely without
> any GPIO number, and maybe that's what we should aim for. I think the
> only remaining offender is the sysfs interface.

And that is a user API, and there's lots of users of it (eg, on Raspberry
Pi platforms.)  So changing it isn't going to be easy - I'd say that it's
impractical.

What you're suggesting would be like re-numbering Linux syscalls.

-- 
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/