spi: imx: add a device specific prepare_message callback
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fri, 30 Nov 2018 06:47:05 +0000 (07:47 +0100)
committerMark Brown <broonie@kernel.org>
Tue, 11 Dec 2018 11:57:13 +0000 (11:57 +0000)
commite697271c4e2987b333148e16a2eb8b5b924fd40a
tree5e82739ed28daa201719a77b99c430e2646047b6
parent6ab4a3502923c20c5a6921868e787e5fd033409b
spi: imx: add a device specific prepare_message callback

This is just preparatory work which allows to move some initialisation
that currently is done in the per transfer hook .config to an earlier
point in time in the next few patches. There is no change in behaviour
introduced by this patch.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-imx.c