Re: [patch] Re: 2.6.14-rc5-mm1 - ide-cs broken!

[Richard Purdie]

On Thu, 2005-11-10 at 09:57 -0500, Mark Lord wrote: 
> Richard Purdie wrote:
> >
> > - *	FIXME: This treatment is probably applicable for *all* PCMCIA (PC CARD)
> > - *	devices, so in linux 2.3.x we should change this to just treat all
> > - *	PCMCIA  drives this way, and get rid of the model-name tests below
> > - *	(too big of an interface change for 2.4.x).
> > - *	At that time, we might also consider parameterizing the timeouts and
> > - *	retries, since these are MUCH faster than mechanical drives. -M.Lord
> > - */
> 
> I believe the latter half of those comments (timeouts) should
> be left in the IDE layer (somewhere), as a note to current/future
> maintainers about something that does need fixing eventually.
> 
> Something like this:
> 
> /*
>   * FIXME:  Someday we ought to parameterize IDE timeouts to use
>   * much smaller values when dealing with flash memory cards.
>   * For example, these devices never require more than a second
>   * (much less, actually) for "spin-up", compared with a limit
>   * of 31 seconds for mechanical ATA drives.  This would speed up
>   * error recovery for these popular devices, especially in embedded work
>   */

Does this still apply given the existence of devices like microdrives?
My microdrive certainly sounds like it could take a second or two to
spin up...

Richard

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/