Re: [RFC 0/5] tty: move stuff around

Re: [RFC 0/5] tty: move stuff around

[Geert Uytterhoeven]

On Tue, Aug 31, 2010 at 11:26, Arnd Bergmann <arnd@arndb.de> wrote:
> On Tuesday 31 August 2010, Alan Cox wrote:
>> > drivers/char/tty_*      -> tty/*
>> > drivers/char/{vt stuff} -> tty/vt/
>> > drivers/char/hvc_*      -> drivers/tty/hvc/hvc_*
>> > drivers/serial/*        -> drivers/tty/serial/*
>>
>> There are dead bits in there too we should prune 68xxx stuff mostly
>
> Geert, can you comment on the 68k serial drivers? Which
> ones are to stay, which ones can get phased out?

I don't know much about which drivers are still in active use. People
don't really
tell me ;-)

FWIW, if I use my Amiga's serial port, it's just for a serial console, in case
all else fails (last time I needed that was several years ago).

We have 3 "classes" of serial drivers:

  - generic_serial-based:

      o MVME147_SCC
      o MVME162_SCC
      o BVME6000_SCC
      o A2232

    All of these were marked BROKEN lately due to generic_serial,
while there's even a
    new ATARI_SCC under "active" development...

  - plain drivers/char:

      o SERIAL167
      o AMIGA_BUILTIN_SERIAL

  - drivers/serial:

      o SERIAL_PMACZILOG (Mac)

    Sun 3/3x support might be (re)added to SERIAL_SUNZILOG

On Mon, Aug 30, 2010 at 15:00, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> Please don't convert stuff to serial_core - it's got some horrible
> problems with adapting to the new locking model, its buffering model
> pre-dates kfifo and all in all serial_core needs a rewrite not more users.

Funny... so "fortunately" we never found time to move the m68k serial drivers
to driver/serial/? Long live procrastination ;-)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [RFC 0/5] tty: move stuff around

[Arnd Bergmann]

On Thursday 02 September 2010, Geert Uytterhoeven wrote:
> On Tue, Aug 31, 2010 at 11:26, Arnd Bergmann <arnd@arndb.de> wrote:
>   - generic_serial-based:
> 
>       o MVME147_SCC
>       o MVME162_SCC
>       o BVME6000_SCC
>       o A2232
> 
>     All of these were marked BROKEN lately due to generic_serial,
> while there's even a
>     new ATARI_SCC under "active" development...

Ok, so I'll keep the plan of moving generic_serial to staging.
 
>   - plain drivers/char:
> 
>       o SERIAL167
>       o AMIGA_BUILTIN_SERIAL

Since these are the builtin ports for the Amiga and MVME16x
platforms, I suppose we should keep them around as long as the
platforms themselves are there and the code builds.

>   - drivers/serial:
> 
>       o SERIAL_PMACZILOG (Mac)
> 
>     Sun 3/3x support might be (re)added to SERIAL_SUNZILOG

Same category I guess.

Thanks for your feedback!

	Arnd