http://bugzilla.kernel.org/show_bug.cgi?id=2944





------- Additional Comments From [EMAIL PROTECTED]  2006-04-10 12:52 -------
Just a few more words on the last patch (attachment #7813) from comment #25,
(I was really short on time and my laptop battery was nearly empty):

It is a lot smaller and a lot easyer to understand and read as the test
modules since the code is now well tested enough to be placed at a specific
critical place where it can do it's job in time and from the best starting
point without having to look for hidden cardbusses, which is the initialisation
of the cardbus bridge itself.

It covers what I have seen in terms of debug output so far:

This patch only targets machines with a yenta_socket-compatible cardbus
controller who's parent bridge's subordinate number was not high enough.
This was the case for all machines which I saw (and where the code is
also tested using the test module)

Insteaf of using SUBDIRS=drivers/pci, as this is now part of the PCMCIA
directory, you would use

make SUBDIRS=drivers/pcmcia modules

instead of the corresponding make command in the series of commands in
comment #18 for a quick compile which is limited to the PCMCIA drivers.

For testing, you unload the Cardbus Controller driver with rmmod yenta_socket
and load the patched yenta driver using insmod drivers/pcmcia/yenta_socket.ko.

You should see one or two messages like these in the syslog output
of the controller initialisation during insmod:

Yenta: Increasing subordinate of bus #02 from #02 to #06
Yenta: Increasing subordinate of bus #02 from #06 to #0a

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