greybus: loopback: warn user if kfifo cannot log all data

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The depth of the kfifo used to log the latency data for user-space can be
moved upwards or downward by way of a module parameter. The user may still
specify a test set that's larger than the number of kfifo elements we have
available. If the user specifies more iterations than can be logged give a
warning as feedback and continue with the test.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Bryan O'Donoghue 2015-07-28 18:34:39 +01:00 • committed by Greg Kroah-Hartman

parent cbd204b48d

commit cb60f4960e

1 changed files with 9 additions and 2 deletions

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drivers/staging/greybus/loopback.c

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