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SubjectRe: [PATCH -queue v0 5/6] [loongson] rtc: enable legacy RTC driver on fuloong2f
From
Date
Hi,

On Wed, 2009-11-04 at 11:40 +0100, Arnaud Patard wrote:
> Wu Zhangjin <wuzhangjin@gmail.com> writes:
>
> Hi,
>
> > RTC_LIB is selected by MIPS by default, and therefore, the legacy RTC driver is
> > disabled. but unfortunately, 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.

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.

Regards,
Wu Zhangjin



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