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Re: [RFC] generic MIPS RTC driver

To: Jun Sun <>
Subject: Re: [RFC] generic MIPS RTC driver
From: "Maciej W. Rozycki" <>
Date: Mon, 12 Nov 2001 20:04:17 +0100 (MET)
Cc: Geert Uytterhoeven <>, Linux/MIPS Development <>, Linux/m68k <>, Linux/PPC Development <>
In-reply-to: <>
Organization: Technical University of Gdansk
Reply-to: "Maciej W. Rozycki" <>
On Mon, 12 Nov 2001, Jun Sun wrote:

> >  OK, then you need an RTC chipset-specific driver and not a CPU
> > architecture-specific one. 
> You *can* write a chip specific driver in addition to this generic one if you
> want.  Presumably the chip-specific one provides more operations than just
> read/write date.

 Then why make this driver MIPS-specific?

> > Otherwise we'll end with a zillion of similar
> > RTC drivers like we already have for LANCE and SCC chips.
> Don't quite understand this statement.

 This assumed you've meant an MC146818 RTC that already has a driver for
certain (but possibly not all) configurations.  Since you haven't -- just
forget it. 

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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