greybus: spi: add rdwr field to transfer descriptor

Add read and/or write field to transfer descriptor to make it possible
to identify the type of transfer.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2 files changed
tree: 88ca8d32b1202c79400a9eb06569e9f61424f33b
  1. drivers/