linux-kernel - [PATCH v1] ACPI: processor: Refine messages in acpi_early_processor_control

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Date:   Wed, 19 Jul 2023 18:02:44 +0200
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>,
        Michal Wilczynski <michal.wilczynski@...el.com>
Subject: [PATCH v1] ACPI: processor: Refine messages in acpi_early_processor_control_setup()

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

The source and meaning of the messages printed by
acpi_early_processor_control_setup() is unclear, so add a pr_fmt()
definition to acpi_processor.c and expand the messages to make it
clear that they are about CPUs.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---

Based on linux-next.

---
 drivers/acpi/acpi_processor.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux-pm/drivers/acpi/acpi_processor.c
===================================================================
--- linux-pm.orig/drivers/acpi/acpi_processor.c
+++ linux-pm/drivers/acpi/acpi_processor.c
@@ -9,6 +9,7 @@
  * Copyright (C) 2013, Intel Corporation
  *                     Rafael J. Wysocki <rafael.j.wysocki@...el.com>
  */
+#define pr_fmt(fmt) "ACPI: " fmt
 
 #include <linux/acpi.h>
 #include <linux/device.h>
@@ -611,9 +612,9 @@ static bool __init acpi_early_processor_
 void __init acpi_early_processor_control_setup(void)
 {
 	if (acpi_early_processor_osc()) {
-		pr_info("_OSC evaluated successfully\n");
+		pr_info("_OSC evaluated successfully for all CPUs\n");
 	} else {
-		pr_info("_OSC evaluation failed, trying _PDC\n");
+		pr_info("_OSC evaluation for CPUs failed, trying _PDC\n");
 		acpi_early_processor_set_pdc();
 	}
 }