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Re: [PATCH -queue v0 5/6] [loongson] rtc: enable legacy RTC driver on fu

To: Ralf Baechle <>
Subject: Re: [PATCH -queue v0 5/6] [loongson] rtc: enable legacy RTC driver on fuloong2f
From: Wu Zhangjin <>
Date: Wed, 04 Nov 2009 23:12:59 +0800
Cc: Arnaud Patard <>,, LKML <>,,, Zhang Le <>, Thomas Gleixner <>, Nicholas Mc Guire <>,,
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Organization: DSLab, Lanzhou University, China
Original-recipient: rfc822;
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On Wed, 2009-11-04 at 15:15 +0100, Ralf Baechle wrote:
> On Wed, Nov 04, 2009 at 07:18:47PM +0800, Wu Zhangjin wrote:
> > In reality, fuloong2e, fuloong2f and yeeloong2f work fine with RTC_LIB,
> > but relative patches need to append to drivers/rtc/rtc-cmos.c and also
> > need a RTC platform device. If what I remembered is right, Gdium also
> > need corresponding patches to make it work with RTC_LIB.
> > 
> > Herein, I just let the basic support for those machines work, and then,
> > the RTC_LIB support will be sent out later.
> > 
> > and a small question: if legacy RTC driver works well on these machines,
> > why should we forbid people to use it? I think it's better to remove the
> > "select RTC_LIB" line for MIPS, and then, the people will be free to
> > choose what they want, and even for the users whose platform not support
> > RTC_LIB.
> RTC_LIB is the way to go; the non-RTC_LIB drivers are there only for
> backward compatbility.  A grep through the defcconfig files for all
> platforms on all architectures finds that by now all have set
> CONFIG_RTC_LIB and the remaining users of CONFIG_RTC, CONFIG_JS_RTC,
> CONFIG_GEN_RTC, CONFIG_EFI_RTC, CONFIG_DS1302 (which all depend on !RTC_LIB)
> are all defconfig files which seem to be slowly bitrotting.
> Time to axe !RTC_LIB?  I'm tempted.

Okay, later, I will send the patches for RTC_LIB support asap, I'm
testing it currently ;)

        Wu Zhangjin

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