linux-kernel - Re: removing drivers and ISA support? [Was: Char: correct pci_get

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Date:	Sat, 04 Nov 2006 22:22:39 +0059
From:	Jiri Slaby <jirislaby@...il.com>
To:	Adrian Bunk <bunk@...sta.de>
CC:	Jesper Juhl <jesper.juhl@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: removing drivers and ISA support? [Was: Char: correct pci_get_device
 changes]

Adrian Bunk wrote:
> On Fri, Oct 27, 2006 at 01:35:06AM +0159, Jiri Slaby wrote:
>> Jesper Juhl wrote:
>>> On 27/10/06, Adrian Bunk <bunk@...sta.de> wrote:
>>>> On Thu, Oct 26, 2006 at 07:59:56PM +0200, Jiri Slaby wrote:
>>>>> ...
>>>>> And what about (E)ISA support. When converting to pci probing,
>>>> should be ISA bus
>>>>> support preserved (how much is ISA used in present)? -- it makes
>>>> code ugly and long.
>>>>
>>>> There seem to be still many running 486 machines - and only the last 486
>>>> boards also had PCI slots.
>>>>
>>>> While deprecating OSS drivers, I got emails from people still using some
>>>> of the ISA cards.
>> That might be a problem if the whole subsystem disappears, but if only ISA
>> support from some driver is pruned away, they are still able to use the old
>> driver by replacing the new one from some older kernel.
>> Then, we'll get nicer drivers in return.
> 
> - this doesn't work for people using distribution kernels
> - "by replacing the new one from some older kernel" doesn't sound
>   reasonable - 3 or 4 point releases later it will have become pretty
>   unlikely that the driver will still work unmodified
>   (if you disagree, please name one ISA driver where the 2.6.15 version
>    compiles without any modifications in 2.6.19-rc3)

Ok, thank all for the notes,
-- 
http://www.fi.muni.cz/~xslaby/            Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8  22A0 32CC 55C3 39D4 7A7E
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