spi: mvebu: only read from bus when data is needed
This optimization reduced the time to transfer 40 MB at 50 MHz from
214 seconds to 203 seconds.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 45791cc commit dcb880cb8518b79f900106421510275b7a87a73c
@Uwe Kleine-König Uwe Kleine-König authored on 8 Dec 2016
Sascha Hauer committed on 10 Jan 2017
Showing 1 changed file
View
drivers/spi/mvebu_spi.c