greybus: connection: add unidirectional enabled state

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Add a new connection state ENABLED_TX in which only outgoing operations
are allowed.

This allows drivers to query the device during probe before allocating
their state containers without having to worry about racing incoming
requests.

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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This commit is contained in:

Johan Hovold 2016-01-19 12:51:07 +01:00 • committed by Greg Kroah-Hartman

parent 23268785b2

commit 570dfa7c55

3 changed files with 29 additions and 4 deletions

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19

drivers/staging/greybus/connection.c

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7

drivers/staging/greybus/connection.h

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7

drivers/staging/greybus/operation.c

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