linux-kernel - Re: Memory stick reader Ricoh R5C592 supported?

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Message-ID: <45E7F13E.60408@drzeus.cx>
Date:	Fri, 02 Mar 2007 10:41:18 +0100
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Werner LEMBERG <wl@....org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Memory stick reader Ricoh R5C592 supported?

Werner LEMBERG wrote:
> Folks,
> 
> 
> my Dell Inspiron 6400 laptop has both a Ricoh R5C822 host adapter (for
> SD, MMC, etc.) and a Ricoh R5C592 host adapter for memory sticks.
> 
> While the former works just fine, it seems to me that the latter
> hasn't any support.  Indeed, inserting a Sony MSA-128A memory stick
> causes no reaction whatsoever.  Searching with google, I haven't found
> anything related to this chip; looking into the kernel source code
> wasn't successful either.
> 
> Can you please shed some light on the current situation?  I'm using
> kernel 2.6.20.
> 

Memory stick is completely unsupported. We haven't got any specs for neither the
the host controllers or the protocol. So I would guess it would be quite some
time before memorystick is supported directly by Linux.

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org
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