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| /openbmc/linux/drivers/tty/serial/ |
| H A D | atmel_serial.c | diff 6a5f0e2f9352accf857f683518bd3cc6ef6ae6c6 Fri Feb 03 16:53:16 CST 2017 Alexandre Belloni <alexandre.belloni@free-electrons.com> 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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Reviewed-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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