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From: Michael Schmitz <>
To: David Miller <>
Subject: Re: [PATCH net-next] Amiga PCMCIA 100 MBit card support
Date: Mon, 31 Dec 2018 22:48:49 +1300	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Hi Dave,

Am 29.12.2018 um 09:43 schrieb David Miller:
> From: Michael Schmitz <>
> Date: Sat, 22 Dec 2018 10:30:58 +1300
>> Am 21.12.2018 um 13:10 schrieb David Miller:
>>> And in particular this huge complicated Kconfig construct is not
>>> maintainable at all.
>> We can trim this down a bit (for reasons I've outlined before):
>> +if APNE
>> +config APNE100MBIT
>> +	bool "PCMCIA NE2000 100MBit support"
>> +	default n
>> +	depends on NE2000=n && PCMCIA_AXNET=n
>> +	depends on PCMCIA_PCNET=n && STNIC=n && ULTRA=n && WD80x3=n
>> In all honesty, I doubt anyone could ever use the stnic, ultra and wd
>> drivers on m68k (Geert?) so these could be omitted as well. Not sure
>> pcnet_cs or axnet_cs are possible to use on the Amiga PCMCIA slot, so
>> all that remains in practice is the ne driver (which is used on
>> Atari).

STNIC can indeed be dropped from the list of exceptions, but I forgot 
about ISA support on Q40.

>> Still too ugly?
> I'm sorry, maybe I didn't express my concern clearly.

I understood your concerns - my hope was that the exception list might 
be possible to trim right down to a single driver. Alas, that's not the 

> Any sizable list of exceptions in a Kconfig conditional has long term
> maintainence costs.  If, for some reason, a new variant of support
> for this chip arrives there will be a new Kconfig setting that would
> need to be added here to your expressions.
> That is insanely error prone, and I can guarantee it will get missed.
> Having so many front end drivers for a chipset should be done in a
> more modular manner, so that in fact they could all coexist if
> necessary.

Not sure I follow your meaning ... are you suggesting to allow the back 
end driver to use run-time selectable IO accessors and other generic 
helper functions, so the drivers currenlty including lib8390.c directly 
could use the core code from the 8390 module instead?



  reply	other threads:[~2018-12-31  9:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-19 22:24 ALeX Kazik
2018-12-21  0:10 ` David Miller
2018-12-21 21:30   ` Michael Schmitz
2018-12-28 20:43     ` David Miller
2018-12-31  9:48       ` Michael Schmitz [this message]
2018-12-31 10:47         ` Andrew Lunn
2019-01-04  0:41           ` Michael Schmitz

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