linux-kernel - Re: [PATCH 1/3] PWM: add pwm framework support

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20110704141924.GF316@e-circ.dyndns.org>
Date:	Mon, 4 Jul 2011 16:19:24 +0200
From:	Kurt Van Dijck <kurt.van.dijck@....be>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Ryan Mallon <rmallon@...il.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Bill Gatliff <bgat@...lgatliff.com>,
	linux-kernel@...r.kernel.org, Ryan Mallon <ryan@...ewatersys.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] PWM: add pwm framework support

On Mon, Jul 04, 2011 at 03:53:07PM +0200, Arnd Bergmann wrote:
> On Monday 04 July 2011, Kurt Van Dijck wrote:
> > With socketCAN, we encountered a similar problem. Every chip maker
> > tries to create added value by means of special options. You can't
> > support them all in the framework. Therefore, sysfs can be added
> > to configure special things.
> 
> I would expect that pwm is much simpler than CAN,
ack
> so the amount
> of creativity there is also limited.
That is true for a single PWM channel.
With multiple PWM channels, hardware design tends to be creative in coupling
several channels together somehow in order to create some diesel engine
control signal ...
> 
> 	Arnd

Anyway, I explained my concern. It's just _an_ opinion.
Kurt
--
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/