greybus: enforce a buffer headroom maximum size

Define a maximum size that a host device can use for its private
area ahead of the payload space used by Greybus in a message buffer.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
2 files changed
tree: ad3f23d5787107d5f016faae1195aac0ae8c6996
  1. drivers/