greybus: connection: request protocol version before initializing connection

This can (should) be done from a common place as its required for most
of the protocols. Do it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
1 file changed
tree: 3e1f039573b1ab4cecaefd739acd31efd56a345f
  1. drivers/