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

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Date:	Wed, 04 Nov 2009 11:40:38 +0100
From:	Arnaud Patard <apatard@...driva.com>
To:	Wu Zhangjin <wuzhangjin@...il.com>
Cc:	Ralf Baechle <ralf@...ux-mips.org>, 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

Wu Zhangjin <wuzhangjin@...il.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
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