Re: [PATCH 2/3] m68k/q40: add data_swab option for pata_falcon to byte-swap disk data

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On 8/22/23 10:10 PM, Sergei Shtylyov wrote:
[...]

thanks for reviewing - this has mostly been addressed in v2 or v3 (which I forgot to send to you, sorry). Damien asked for the patch title to be changed (now 'ata: pata_falcon: add data_swab option to byte-swap disk data) so you might have missed it on the list.

   I didn't want to repeat such request after him. :-)
   I'm subscribed to linux-ide thru my Gmail account, and I'm still not seeing
your further patch versions on the list... :-/

   Had to reply from Gmail account as the OMP server rejected my msg.
Please be sure to always CC: me on the PATA patches!

[...]

Some users of pata_falcon on Q40 have IDE disks in default
IDE little endian byte order, whereas legacy disks use
host-native big-endian byte order as on the Atari Falcon.

Add module parameter 'data_swab' to allow connecting drives
with non-native data byte order. Drives selected by the
data_swap bit mask will have their user data byte-swapped to
host byte order, i.e. 'pata_falcon.data_swab=2' will byte-swap
all user data on drive B, leaving data on drive A in native
byte order. On Q40, drives on a second IDE interface may be
added to the bit mask as bits 2 and 3.

Default setting is no byte swapping, i.e. compatibility with
the native Falcon or Q40 operating system disk format.

Cc: William R Sowerbutts <will@xxxxxxxxxxxxxx>
Cc: Finn Thain <fthain@xxxxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Michael Schmitz <schmitzmic@xxxxxxxxx>

[...]

MBR, Sergey



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