Hi,
The device is present in many notebooks. Notebooks depend heavily on
suspend/resume functionality. tifm_core/7xx1/sd family is an ambitous,
but uncompleted project. It used to crash on resuming, or hang up on
suspending. A less common failure used to be trigerred by a fast card
insert/removal sequence. Finally, tifm_sd module needs to be manually
inserted.
I have found it easier to rewrite the driver, than to fix. This driver
is kind of mutant. The bones are taken from sdhci and omap, the meat -
from tifm_*. It contains all features (and bugs except named above) of
tifm_* as it was in kernel 2.6.21-rc7.
I have been testing this version since linux-2.6.18 (daily reading
photos from cards, daily suspending/resuming) without a single glitch.
This patch only provides sources.
http://bugzilla.kernel.org/attachment.cgi?id=11238&action=view
Kernel configuration in this message.
http://bugzilla.kernel.org/attachment.cgi?id=11239&action=view
Alex Dubov has done exceptionally great lots of work to teach linux
speak to TIFM. This is just a reorganization of his project.
The driver seems to be practically stable, but it definitely must be
tested by more people. Please also report any issues with this driver to
http://bugzilla.kernel.org/show_bug.cgi?id=8352 so that valuable info is
not lost.
Best regards,
Sergey Yanovich
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