linux-kernel - [PATCH v1] ACPI: PM: Adjust messages regarding postponed ACPI PM

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Message-ID: <5969819.DvuYhMxLoT@rafael.j.wysocki>
Date: Tue, 13 Jan 2026 14:38:41 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Linux PM <linux-pm@...r.kernel.org>,
 Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: [PATCH v1] ACPI: PM: Adjust messages regarding postponed ACPI PM

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

The debug messages added by commit f7599be2bb76 ("ACPI: PM: postpone
bringing devices to D0 unless we need them") in acpi_subsys_resume_early()
and acpi_subsys_resume() are not quite accurate because what is postponed
is not just a transition to D0, but also an adjustment of the device's
wakeup setting (which may involve disabling a GPE among other things).
Moreover, these messages don't even mention ACPI.

Rephrase them and adjust the style to match other messages in device_pm.c.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/acpi/device_pm.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -1251,7 +1251,7 @@ static int acpi_subsys_resume_early(stru
 		return 0;

 	if (pm && !pm->resume_early) {
-		dev_dbg(dev, "postponing D0 transition to normal resume stage\n");
+		dev_dbg(dev, "Postponing ACPI PM to normal resume stage\n");
 		return 0;
 	}

@@ -1273,7 +1273,7 @@ static int acpi_subsys_resume(struct dev
 	int ret = 0;

 	if (!dev_pm_skip_resume(dev) && pm && !pm->resume_early) {
-		dev_dbg(dev, "executing postponed D0 transition\n");
+		dev_dbg(dev, "Applying postponed ACPI PM\n");
 		ret = acpi_dev_resume(dev);
 	}