tty/serial: atmel: ensure state is restored after suspending
When going to suspend, the UART registers may be lost because the power to VDDcore is cut. This is not an issue in the normal case but when no_console_suspend is used, we need to restore the registers in order to get a functional console. Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com> Reviewed-by: NNicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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