On 02/05/2022 14:39, Hector Martin wrote: > On 02/05/2022 20.44, Greg Kroah-Hartman wrote: >> On Mon, May 02, 2022 at 06:25:05PM +0900, Hector Martin wrote: >>> We were restoring the IRQ masks then clearing them again, because >>> ucon_mask wasn't set properly. Adding that makes suspend/resume >>> work as intended. >>> >>> Signed-off-by: Hector Martin <marcan@xxxxxxxxx> >>> --- >>> drivers/tty/serial/samsung_tty.c | 1 + >>> include/linux/serial_s3c.h | 3 +++ >>> 2 files changed, 4 insertions(+) >> >> Does this fix a specific older commit? >> >> And should it be backported to older stable kernels? > > It does fix the commit that introduced this device support in general; I > can add a Fixes line for that. I don't think anyone cares about > backporting though, since there are other fairly critical devices that > don't have support outright and there's still work to do before > suspend/resume is generally usable on these machines. Then please add only Fixes tag. Best regards, Krzysztof