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The mutex mmc_test_lock is initialized at every time mmc_test device
is probed. Probing another mmc_test device may break the mutex, if
the probe function is called while the mutex is locked.
This patch fixes it by statically initializing mmc_test_lock.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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This reverts commit 48b5352ea1891455eb8e824cf7d92f66931a090f. Oversized
sg lists are not allowed anymore, and the core even checks for them in
debug mode, so this test is entirely incorrect.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Make it a bit more obvious that the card has been claimed by the
mmc_test driver so that people don't have to wonder why their block
device never shows up.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Add tests that make sure the driver properly checks the blocks and
blksz fields and doesn't assume the sg list has a size that perfectly
matches the current request.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Add a couple of tests to make sure the host driver handles highmem
memory pages properly. Unfortunately there is no way to guarantee an
allocation below 4 GB in i386, so it might give you addresses that
are out of reach for the hardware (OTOH, so will any other highmem
allocation in the kernel).
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Clean up and reorganise the mmc_test driver so that it (hopefully)
is easier to extend with more complex tests.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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We can only perform the tests on MMC and SD cards, so avoid binding
to any other type.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Add the ability to run just a single test case by writing the test
case number into the sysfs "test" file.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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A dummy driver that performs a series of requests that are often mis-
handled by host drivers.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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