From 4a0fa9f9fdb5a7230da6fb250c270c01d5f21fb5 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Mon, 11 Feb 2019 13:17:12 +0100 Subject: [PATCH] PM / suspend: Print debug messages for device using direct-complete Devices using the direct-complete optimization are not present it debug messages printed by the core device suspend and resume code, which sometimes makes it difficult to diagnose problems related to them, so add debug messages for those devices. Signed-off-by: Rafael J. Wysocki --- drivers/base/power/main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 0992e67..337a56f 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1741,8 +1741,10 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) if (dev->power.direct_complete) { if (pm_runtime_status_suspended(dev)) { pm_runtime_disable(dev); - if (pm_runtime_status_suspended(dev)) + if (pm_runtime_status_suspended(dev)) { + pm_dev_dbg(dev, state, "direct-complete "); goto Complete; + } pm_runtime_enable(dev); } -- 2.7.4