We have met a deadlock issue on our device which use 5.15.y when resuming. After applying this patch which is picked from mainline, issue solved. Backport to 6.1.y also. Rafael J. Wysocki (1): PM: sleep: Restore asynchronous device resume optimization drivers/base/power/main.c | 117 +++++++++++++++++++++----------------- include/linux/pm.h | 1 + 2 files changed, 65 insertions(+), 53 deletions(-) -- 2.18.0
