greybus: define the invalid operation type symbolically

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Use a symbolic constant (rather than just "0") to represent an
explicitly invalid operation type.  The protocols have all reserved
that value for that purpose--this just makes it explicit in the core
code (since we now leverage its existence).  Fix the code so it uses
the new symbolic value.

Define it in "operation.h" for all to see.  Move the common
definition of the GB_OPERATION_TYPE_RESPONSE flag mask there
as well.

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

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Alex Elder 2014-12-02 17:25:11 -06:00 • committed by Greg Kroah-Hartman

parent 6cd6ec55f4

commit c939c2f8fe

2 changed files with 28 additions and 11 deletions

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27

drivers/staging/greybus/operation.c

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12

drivers/staging/greybus/operation.h

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