linux-kernel - PCMCIA serial_cs driver binding problems.

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Message-Id: <200711201408.lAKE8WMp001714@wind.enjellic.com>
Date:	Tue, 20 Nov 2007 08:08:32 -0600
From:	greg@...ellic.com
To:	linux-kernel@...r.kernel.org
Subject: PCMCIA serial_cs driver binding problems.

Good morning to everyone.

I'm working to sort out what appear to be issues with binding of the
serial_cs driver to a PCMCIA wireless card (Zoom).

Card works perfectly in recent 2.6.2[23] kernels if cardmgr is running
and PCMCIA_IOCTL support is in the kernel.  The serial_cs driver
fails, however, to bind in a pure hotplug configuration.  The hotplug
scripts detect card insertion and load the serial_cs module but the
driver doesn't bind to the device.

The slot number (0.0 or 1.0) appears in the /sys/bus/pcmcia/devices
directory after card insertion.  The serial_cs directory also presents
in the /sys/bus/pcmcia/drivers directory secondary to module load.

I've tried to manually echo the device number (0.0 or 1.0) into the
/sys/bus/pcmcia/drivers/serial_cs/bind pseudo-file but nothing
happens.  The device number is present as a binding if cardmgr frobs
things with the pcmcia_ioctl bind commands.

I'm willing to hack on the kernel a bit if additional information or
debugging is needed.

Thanks for any thoughts or guidance.

Best wishes for a productive week.

As always,
Dr. G.W. Wettstein, Ph.D.   Enjellic Systems Development, LLC.
4206 N. 19th Ave.           Specializing in information infra-structure
Fargo, ND  58102            development.
PH: 701-281-1686
FAX: 701-281-3949           EMAIL: greg@...ellic.com
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