linux-kernel - Re: [PATCH -queue v0 5/6] [loongson] rtc: enable legacy RTC driver on fuloong2f

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Message-ID: <1257347585.16033.0.camel@falcon.domain.org>
Date:	Wed, 04 Nov 2009 23:12:59 +0800
From:	Wu Zhangjin <wuzhangjin@...il.com>
To:	Ralf Baechle <ralf@...ux-mips.org>
Cc:	Arnaud Patard <apatard@...driva.com>, linux-mips@...ux-mips.org,
	LKML <linux-kernel@...r.kernel.org>, huhb@...ote.com,
	yanh@...ote.com, Zhang Le <r0bertz@...too.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Nicholas Mc Guire <der.herr@...r.at>, zhangfx@...ote.com,
	liujl@...ote.com
Subject: Re: [PATCH -queue v0 5/6] [loongson] rtc: enable legacy RTC driver
 on fuloong2f

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 ;)

Regards,
	Wu Zhangjin

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