greybus: count rather than list protocol users

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We don't really need a list of protocol users, we can just keep
track of how many there are.  Get rid of the list and use a count
instead.

Also, have gb_protocol_get() return the protocol rather than assigning
a passed-in connection pointer's protocol.  Make a comparable change
to the gb_protocol_put() interface.

Get rid of gb_protocol_find() (the version that locks), because it
is no longer needed.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

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This commit is contained in:

Alex Elder 2014-11-05 16:12:51 -06:00 • committed by Greg Kroah-Hartman

parent 6ae7fa4520

commit 0e44765743

4 changed files with 47 additions and 63 deletions

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11

drivers/staging/greybus/connection.c

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1

drivers/staging/greybus/connection.h

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91

drivers/staging/greybus/protocol.c

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7

drivers/staging/greybus/protocol.h

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