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From:	Arnaud Patard <apatard@mandriva.com>
To:	Wu Zhangjin <wuzhangjin@gmail.com>
Cc:	Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org,
	LKML <linux-kernel@vger.kernel.org>, huhb@lemote.com,
	yanh@lemote.com, Zhang Le <r0bertz@gentoo.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Nicholas Mc Guire <der.herr@hofr.at>, zhangfx@lemote.com,
	liujl@lemote.com
Subject: Re: [PATCH -queue v0 5/6] [loongson] rtc: enable legacy RTC driver on fuloong2f
References: <cover.1257325319.git.wuzhangjin@gmail.com>
	<e13ed33a99dbf14f223360d414aa2b2c5caa9b1f.1257325319.git.wuzhangjin@gmail.com>
Organization: Mandriva
Date:	Wed, 04 Nov 2009 11:40:38 +0100
In-Reply-To: <e13ed33a99dbf14f223360d414aa2b2c5caa9b1f.1257325319.git.wuzhangjin@gmail.com> (Wu Zhangjin's message of "Wed,  4 Nov 2009 17:06:07 +0800")
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Wu Zhangjin <wuzhangjin@gmail.com> writes:

Hi,

> RTC_LIB is selected by MIPS by default, and therefore, the legacy RTC driver is
> disabled. but fortunately, RTC_LIB not works on fulong, so, enabling the legcy
> RTC driver is needed, otherwise, the tools like hwclock will not work.
>
> because loongson family machines, including fuloong2e, fuloong2f and
> yeeloong2f need to enable legacy RTC driver, so we use MACH_LOONGSON
> here.

There are loongson machines which are working fine with RTC_LIB (for
instance the gdium which is using a m41t83 on i2c) so would be better to
be more restrictive imho.

Arnaud