Re: [PATCH] 2.5.14 IDE 55

Bartlomiej Zolnierkiewicz (B.Zolnierkiewicz@elka.pw.edu.pl)
Tue, 7 May 2002 20:06:34 +0200 (MET DST)

>> we should fix atari byte-swapped ide in ata_read() like we do in
>> atapi_read() then ide_fix_driveid() will make rest...
>> (or I am missing something?)
>
> Here you can mix two different issues:
> - Ataris have a byte-swapped IDE interface. Hence we need support to
> swap data for interoperability (not only on Atari: imagine an Atari disk
> connected to a PC)

dealt in (arch/parameter) specific ata_read()
reverses byteswapped data

> - IDE is little endian, so the drive identification is little endian too.
> To make things more complex, not only multibyte objects, but also
> text strings are byteswapped.

dealt in generic ide_fix_driveid()
converts driveid to cpu endianness

greetings...

--
bkz


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