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Re: possible serial driver fixup for au1x00 in 2.6?

To: ppopov@embeddedalley.com
Subject: Re: possible serial driver fixup for au1x00 in 2.6?
From: rolf liu <rolfliu@gmail.com>
Date: Wed, 6 Jul 2005 09:21:20 -0700
Cc: "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
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Reply-to: rolf liu <rolfliu@gmail.com>
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Hi Pete,
I just give 8250.c a dirty hack, letting it just manage the additional
serial ports. So there are two serial driver in the system at the same
time :(  Sound funny.

thanks for your comments. I will give the feadback when I get more :)


On 7/6/05, Pete Popov <ppopov@embeddedalley.com> wrote:
> On Tue, 2005-07-05 at 12:40 -0700, rolf liu wrote:
> > Pete,
> > To try if 8250.c can work under db1550/linux 2.6.12, I turn off the
> > au1x00_uart.c config and just compiled in the 8250 support. When I
> > boot the kernel, nothing comes up through the console, which should be
> > provided by 8250 support, by 8250_early.c?
> >
> > Any idea?
> 
> Yes. The 8250.c won't work with the au1x uart. I know I said in a
> previous email that the 8250 "basically" does the same thing as the au1x
> uart driver, but if the 8250 worked with the Au1x SoCs, why would we
> even have the au1x serial driver in place?
> 
> Pete
> 
> >
> > On 7/1/05, Pete Popov <ppopov@embeddedalley.com> wrote:
> > > On Fri, 2005-07-01 at 17:56 -0700, rolf liu wrote:
> > > > Basically, au1x00_uart.c is doing the same thing as 8250.c.
> > >
> > > Basically.
> > >
> > > > If I want
> > > > to add extra serial port support by 8250.c. There could be some
> > > > problem. Any idea?
> > >
> > > Don't know, haven't tried it. In general, the au1x00 serial driver needs
> > > to be rewritten.
> > >
> > > Pete
> > >
> > >
> >
> 
>

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