The controller used by a flexcom module is configured at boot, and left
alone after this. In the suspend mode called "backup with self-refresh"
available on SAMA5D2, the chip will resume with most of its registers
reset. In this case, we need to restore the state of the flexcom driver
on resume.
Signed-off-by: NRomain Izard <romain.izard.pro@gmail.com>
Acked-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: NNicolas Ferre <nicolas.ferre@microchip.com>
Tested-by: NNicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>