Envelope-to: linux-kernel@vger.kernel.org
Date: Thu, 29 Apr 2004 16:28:02 +0200
From: stefan.eletzhofer@eletztrick.de
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] 2.6 I2C epson 8564 RTC chip
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On Thu, Apr 29, 2004 at 03:14:24PM +0100, Ian Campbell wrote:
> On Thu, 2004-04-29 at 14:58, stefan.eletzhofer@eletztrick.de wrote:
> > On Thu, Apr 29, 2004 at 01:54:08PM +0100, Russell King wrote:
> > > If you look at the last 2.6-rmk patch, you'll notice that it contains
> > > an abstracted RTC driver - I got peed off with writing the same code
> > > to support the user interfaces to the variety of RTCs over and over
> > > again.  (Ones which are simple 32-bit second counters with alarms
> > > through to ones which return D/M/Y H:M:S.C format.)
> > 
> > Oh, I wasn't aware of that. I assume that one is not in linus bk tree already?
> 
> I don't think so. I found it in patch-2.6.0-test9-rmk1. In particular
> arch/arm/common/rtctime.c and include/asm-arm/rtc.h which implement the
> generic RTC bit. drivers/char/sa1100-rtc.c and
> linux/arch/arm/mach-integrator/time.c have been ported to use it.
> 
> It looks very useful, and it would be pretty easy to make an i2c RTC use
> it as well.

Ah, haven't had a look at 2.6.0-test9 for some time now. I'll try to check
these and maybe I'll port my rtc driver over to it. Maybe these files
sould be moved out of the arm tree, though? It may well be that other platforms
are interested it (at last I've found a drivers/char/genrtc.c ...).

> 
> Ian.
> -- 
> Ian Campbell, Senior Design Engineer
>                                         Web: http://www.arcom.com
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