spi: stm32: add runtime PM support

This patch reworks suspend and resume callbacks and add runtime_suspend
and runtime_resume callbacks.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Amelie Delaunay 2017-06-27 17:45:18 +02:00 • committed by Mark Brown
commit 038ac869c9