spi: i.MX: use start mode control bit
The i.MX SPI controller in version 2.3 can immediately start a transfer
when the txfifo is written to. In this mode we no longer have to trigger
the transfer with the xch bit which makes the code a bit simpler.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 311f02f commit cd4df8f82b77e2599a65b81cfa06f3bc58399e15
@Sascha Hauer Sascha Hauer authored on 31 Aug 2015
Showing 2 changed files
View
drivers/spi/imx_spi.c
View
include/spi/imx-spi.h