Re: IDE/ATAPI in 2.5

[Jens Axboe]

On Fri, Jul 12 2002, Martin Dalecki wrote:
> U?ytkownik Jens Axboe napisa?:
> >On Fri, Jul 12 2002, Martin Dalecki wrote:
> >
> >>Workarounds in ide-cd - none.
> >
> >
> >you must be kidding?
> >
> 
> OK OK.
> 
> 
> 	} else  if (ireason == 1) {
> 		/* Some drives (ASUS) seem to tell us that status
> 		 * info is available. just get it and ignore.
> 		 */
> 		ata_status(drive, 0, 0);
> 		return 0;
> 	} else {
> 		/* Drive wants a command packet, or invalid ireason... */
> 		printk ("%s: cdrom_read_intr: bad interrupt reason %d\n",
> 			drive->name, ireason);
> 	}

There are more, the BCD stuf, etc. I'm just saying there are quite a few
work-arounds buried here and there in ide-cd, saying 'none' is a bit
simplified.

> Long time not enabled one:
> 
> #if !STANDARD_ATAPI
>         /* the Sanyo 3 CD changer uses byte 7 of TEST_UNIT_READY to
>            switch CDs instead of supporting the LOAD_UNLOAD opcode   */
> 
>         cmd[7] = cdi->sanyo_slot % 3;
> #endif

Not enabled per-default, but possible. Dunno if anyone actually uses it,
though. That kind of stuff you only find out when it's too late :/

-- 
Jens Axboe