linux-kernel - [PATCH 1/2] ACPI: PM: Print additional debug message in acpi_s2idle

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Message-ID: <5794467.lOV4Wx5bFT@kreacher>
Date:   Tue, 01 Feb 2022 20:18:10 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Linux ACPI <linux-acpi@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>
Subject: [PATCH 1/2] ACPI: PM: Print additional debug message in acpi_s2idle_wake()

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Make acpi_s2idle_wake() print an additional debug message when the
SCI is going to be rearmed for system wakeup to help diagnose
wakeup-related issues.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/acpi/sleep.c |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-pm/drivers/acpi/sleep.c
===================================================================
--- linux-pm.orig/drivers/acpi/sleep.c
+++ linux-pm/drivers/acpi/sleep.c
@@ -764,6 +764,8 @@ bool acpi_s2idle_wake(void)
 			return true;
 		}
 
+		pm_pr_dbg("Rearming ACPI SCI for wakeup\n");
+
 		rearm_wake_irq(acpi_sci_irq);
 	}