This resolves the TODO comment in spi_transfer_one_message(). Only one driver (mc13xxx) was using the delay_usecs field, making this a straightforward conversion with minimal impact.
Bo Sun (1): spi: convert transfer delay to new spi_delay struct drivers/mfd/mc13xxx.c | 5 ++++- drivers/spi/spi.c | 4 +--- include/spi/spi.h | 8 ++++---- 3 files changed, 9 insertions(+), 8 deletions(-)