linux-kernel - Re: vme_scc.c breakage (was: Re: linux-next: Tree for November 21)

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Message-id: <alpine.DEB.1.00.0811230250290.8478@zirkon.biophys.uni-duesseldorf.de>
Date:	Sun, 23 Nov 2008 03:29:19 +0100 (CET)
From:	Michael Schmitz <schmitz@...phys.uni-duesseldorf.de>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Linux/m68k <linux-m68k@...r.kernel.org>
Subject: Re: vme_scc.c breakage (was: Re: linux-next: Tree for November 21)

Hi,

> > Issues:
> >   1. When Atari support is enabled, `scc' is defined in
> >      include/asm-m68k/atari.h as:
> > 
> > 	# define scc ((*(volatile struct SCC*)SCC_BAS))

This can be renamed - it is only used for control and data port address init 
(aside from serial console, which should probably be separated out if it cannot 
be reconciled). 

> > 
> >      However, renaming the variable `scc' doesn't help, as
> > 
> >   2. the variable `scc' is not used in scc_carrier_raised(),
> > 
> >   3. `port->channel' on line 635 still fails as `port' is not longer `struct
> >      scc_port', but a 'struct tty_port', which has no member named 'channel'.
> 
> Will take a look at this, but gs is going to away so at some point
> someone with hardware is going to have to admit to owning this driver or
> just mark it BROKEN..

Time to merge with pmac_zilog or ip22zilog (the latter even needing similar 
register access delays as Ataris). 

What is the time frame to gs being removed? I admit to 'owning' atari_scc which 
was based on vme_scc so I'll have to deal with that sooner or later.

	Michael

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