greybus: pwm-gb: convert to use gb_operation_sync

This converts the PWM protocol driver to use gb_operation_sync, removing
lots of places where the create/send/destroy pattern was being used to
send greybus messages.

Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Reviewed-by: Alex Elder <elder@linaro.org>
1 file changed
tree: 5e0d7048030a22cabd38a247ab6ccb1160680bf7
  1. drivers/