Re: [PATCH 2/2] MEMSTICK: Add driver for Ricoh R5C592 Card reader.

[Maxim Levitsky <maximlevitsky@gmail.com>]

On Sat, 2010-08-07 at 06:12 -0700, Alex Dubov wrote: 
> > > > 
> > > > Btw, I want to add a callback from driver to card
> > driver to
> > > > be able to
> > > > reset card in case of error (windows driver does
> > that in
> > > > case of any
> > > > error)
> > > > 
> > > > I would use most of the mspro_block_resume for
> > the
> > > > implementation for
> > > > mspro.
> > > > 
> > > > Any objections, suggestions?
> > > > 
> > > 
> > > Just toggle a power on it. Power off/power on will do
> > the full reset of
> > > the controller and the media. You don't have to
> > reinitialize it, as you
> > > are sure that it's the same stick.
> > 
> > Yea, but after such reboot, the device will be in serial
> > mode. So, I
> > will need to send switch TPC to device. My driver doesn't
> > know how to do
> > that...., so it would be nice to have callback to the
> > core.
> > 
> 
> Lets ask a different question: why do you think this
> particular functionality is needed at all? Have you encountered any
> problems which require it (I haven't, btw)?

I would image using this to verify that stick is still in place on I/O
error.

If I just power  down/up it, it will loose state, for example IO mode,
reg range, etc...

But anyway, this isn't very important.

Best regards,
Maxim Levitsky