greybus: operation: add active counter

Add active counter to track operations that are in use.

Note that the active count is always less than the reference count.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2 files changed
tree: 0823f523632ace05cd73c3c04d05b6dd974196fa
  1. drivers/