linux-kernel - RE: NTP time sync

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Message-ID: <00b301c711a3$07cf3530$020120ac@Jocke>
Date:	Sun, 26 Nov 2006 22:37:10 +0100
From:	"Joakim Tjernlund" <joakim.tjernlund@...nsmode.se>
To:	"'Alessandro Zummo'" <alessandro.zummo@...ertech.it>
Cc:	"'David Brownell'" <david-b@...bell.net>,
	"'Benjamin Herrenschmidt'" <benh@...nel.crashing.org>,
	<akpm@...l.org>, <linuxppc-dev@...abs.org>, <lethal@...ux-sh.org>,
	"'Linux Kernel Mailing List'" <linux-kernel@...r.kernel.org>,
	<ralf@...ux-mips.org>, "'Andi Kleen'" <ak@....de>,
	<paulus@...ba.org>, <rmk@....linux.org.uk>, <davem@...emloft.net>,
	<kkojima@...iij4u.or.jp>
Subject: RE: NTP time sync

> -----Original Message-----
> From: Alessandro Zummo [mailto:alessandro.zummo@...ertech.it] 
> Sent: den 26 november 2006 20:22
> To: Joakim Tjernlund
> 
> On Sun, 26 Nov 2006 12:04:54 +0100
> "Joakim Tjernlund" <joakim.tjernlund@...nsmode.se> wrote:
> 
> > Looking at rtc-dev.c I don't see a MARJOR number assigned 
> to /dev/rtcN. Seems like
> > it is dynamically allocated to whatever major number that is free.
> > Is that the way it is supposed to be? How do I create a 
> static /dev/rtcN in my /dev
> > directory if the major number isn't fixed?
> > Maybe I am just missing something, feel free to correct me :)
> 
>  udev ;)
> 
>  the concept of static numbers is quite old...

Yes it is old, but is the old way unsupported now? I have an embedded target
which is using the old static /dev directory, do I need to make
it udev aware to use newer features like the rtc subsystem?

 Jocke

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