stm class: dummy_stm: Add link callback for fault injection

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STM device's link callback has the power to abort master/channel
assignment by returning a negative error code. Use this in dummy
stm device to optionally abort assigning certain channel IDs.
This is useful as fault injection into the stm class core, for
testing purposes.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Alexander Shishkin 2016-02-15 19:12:10 +02:00 • committed by Greg Kroah-Hartman

parent cc8424074e

commit adcde635f5

1 changed files with 14 additions and 0 deletions

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drivers/hwtracing/stm/dummy_stm.c

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