linux-kernel - Re: [PATCH 5/7] PPS: serial clients support.

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Message-ID: <20080411075515.GH26777@enneenne.com>
Date:	Fri, 11 Apr 2008 09:55:15 +0200
From:	Rodolfo Giometti <giometti@...eenne.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Dave Jones <davej@...hat.com>, Sam Ravnborg <sam@...nborg.org>,
	Greg KH <greg@...ah.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Kay Sievers <kay.sievers@...y.org>
Subject: Re: [PATCH 5/7] PPS: serial clients support.

On Thu, Apr 10, 2008 at 09:09:18PM +0100, Alan Cox wrote:
> On Thu, 10 Apr 2008 20:22:29 +0200
> Rodolfo Giometti <giometti@...ux.it> wrote:
> 
> > Adds support for the PPS sources connected with the CD (Carrier
> > Detect) pin of a serial port.
> 
> Better and now readable but this is definitely in the wrong place and
> should be pushed up the stack so it can be generalised for all serial
> devices as an ldisc or similar.

How can I do that? From a serial device I just need the IRQ time
arrival, no other data at all. How a ldisc can help me in this task?

This patch adds PPS support just for UARTs, other devices should
provide their own support by using the new provided API. :)

Ciao,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti@...eenne.com
Linux Device Driver                             giometti@...ux.it
Embedded Systems                     phone:	+39 349 2432127
UNIX programming                     skype:     rodolfo.giometti
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