Re: [PATCH] Re: Bitrotting serial drivers

[Hirokazu Takata <takata@linux-m32r.org>]

From: Russell King <rmk+lkml@arm.linux.org.uk>
Date: Thu, 24 Mar 2005 12:17:46 +0000
> On Thu, Mar 24, 2005 at 07:14:24PM +0900, Hirokazu Takata wrote:
> > Could you please accept the following patch?
> 
> Probably, but I'd like to have a reply to my comments below first.
> 
> > diff -ruNp a/include/asm-m32r/serial.h b/include/asm-m32r/serial.h
> > --- a/include/asm-m32r/serial.h	2004-12-25 06:35:40.000000000 +0900
> > +++ b/include/asm-m32r/serial.h	2005-03-24 17:25:05.812651363 +0900
> 
> Can m32r accept PCMCIA cards?  If so, this may mean that 8250.c gets
> built, which will use this file to determine where it should look for
> built-in 8250 ports.
> 
> If this file is used to describe non-8250 compatible ports, you could
> end up with a nasty mess.  Therefore, I recommend that you do not use
> asm-m32r/serial.h to describe your SIO ports.

I understand.

You mean I have to keep 8250.c buildable for PCMCIA serial cards, 
if I make use of both m32r_sio and 8250 compatible drivers at a time, right?

> Instead, since these definitions are private to your own driver, you
> may consider moving them into the driver, or a header file closely
> associated with your driver in drivers/serial.

I will try to move these definitions into the m32r_sio driver.
Please just a moment, I have no time to do it now...

Thank you.

-- Takata
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