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greybus: loopback: add commentary to sysfs variables

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Add some missing comments.
Add a TODO to look at doing iteration_count with KOBJ_CHANGE event instead
of having user-space poll the value reported in iteration_count to
determine when a test set is complete.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Patrick Titiano <ptitiano@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Bryan O'Donoghue
2015-07-21 23:50:09 +01:00
committed by Greg Kroah-Hartman
parent 00af6583d1
commit e140c75ed9
1 changed files with 3 additions and 0 deletions
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drivers/staging/greybus/loopback.c
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@ -137,8 +137,11 @@ gb_loopback_stats_attrs(latency);
gb_loopback_stats_attrs(frequency);
/* Quantity of data sent and received on this cport */
gb_loopback_stats_attrs(throughput);
/* Number of errors encountered during loop */
gb_loopback_ro_attr(error, d);
/* The current index of the for (i = 0; i < iteration_max; i++) loop */
gb_loopback_ro_attr(iteration_count, u);
/* TODO iteration_count might be better with the KOBJ_CHANGE event */
/*
* Type of loopback message to send based on protocol type definitions