serial: mvebu-uart: add suspend/resume support

Browse source

Add suspend and resume hooks to save/restore the registers content
during S2RAM operation.

Also save/restore the oversampling rate register (OSAMP) as earlier
stages already tuned that register to get a precise UART clock.

Suggested-by: Allen Yan <yanwei@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Miquel Raynal 2018-04-21 16:07:33 +02:00 • committed by Greg Kroah-Hartman

parent 7a91e38297

commit 394e835145

1 changed files with 64 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

64

drivers/tty/serial/mvebu-uart.c

View file