linux-kernel - Re: Experimental driver for Ricoh Bay1Controller SD Card readers

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Message-ID: <45D4E000.6050403@miclab.chem.msu.ru>
Date:	Fri, 16 Feb 2007 01:34:40 +0300
From:	Ivan Babkin <ivan.babkin@...lab.chem.msu.ru>
To:	linux-kernel@...r.kernel.org
Subject: Re: Experimental driver for Ricoh Bay1Controller SD Card readers

Hi!
> Apart from that I did the following changes:
> - implemented suspend/resume support (not tested very much)
> - named the registers
> - fixed a bug that caused a major slowdown when modprobed without debug=1
> - added writting support (disabled by default, modprobe with write=1)
> Before you enable writting please make sure that you did a proper backup of 
> the data on the card. Do not use this driver to save important data.
Thank for the job you've done!
Your driver works with 1 Gb sd-card (x86_64 suse's 2.16.18.2 kernel).
Read rate for me was around 250 Kb/s, write - 28 Kb/s (using dd utility).
BTW, I get continuous flow of "sdricoh_cs: timeout waiting for data"
messages in dmesg.

Good luck!
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