linux-kernel - [PATCH v1 08/20] ACPICA: executer/exsystem: Don't nag user about every Stall() violating the spec

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Message-ID: <7712103.EvYhyI6sBW@rjwysocki.net>
Date: Thu, 29 Aug 2024 20:32:31 +0200
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Bob Moore <robert.moore@...el.com>,
 Saket Dumbre <saket.dumbre@...el.com>
Subject:
 [PATCH v1 08/20] ACPICA: executer/exsystem: Don't nag user about every
 Stall() violating the spec

From: Vasily Khoruzhick <anarsoul@...il.com>

ACPICA commit 129b75516fc49fe1fd6b8c5798f86c13854630b3

Stop nagging user about every Stall() that violates the spec

On my Dell XPS 15 7590 I get hundreds of these warnings after few hours of
uptime:

$ dmesg | grep "fix the firmware" | wc -l
261

I cannot fix the firmware and I doubt that Dell cares about 4 year old
laptop either

Fixes: ace8f1c54a02 ("ACPICA: executer/exsystem: Inform users about ACPI spec violation")
Link: https://github.com/acpica/acpica/commit/129b7551
Signed-off-by: Vasily Khoruzhick <anarsoul@...il.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/acpi/acpica/exsystem.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c
index f665ffd9a396..2c384bd52b9c 100644
--- a/drivers/acpi/acpica/exsystem.c
+++ b/drivers/acpi/acpica/exsystem.c
@@ -133,14 +133,15 @@ acpi_status acpi_ex_system_do_stall(u32 how_long_us)
 		 * (ACPI specifies 100 usec as max, but this gives some slack in
 		 * order to support existing BIOSs)
 		 */
-		ACPI_ERROR((AE_INFO,
-			    "Time parameter is too large (%u)", how_long_us));
+		ACPI_ERROR_ONCE((AE_INFO,
+				 "Time parameter is too large (%u)",
+				 how_long_us));
 		status = AE_AML_OPERAND_VALUE;
 	} else {
 		if (how_long_us > 100) {
-			ACPI_WARNING((AE_INFO,
-				      "Time parameter %u us > 100 us violating ACPI spec, please fix the firmware.",
-				      how_long_us));
+			ACPI_WARNING_ONCE((AE_INFO,
+					   "Time parameter %u us > 100 us violating ACPI spec, please fix the firmware.",
+					   how_long_us));
 		}
 		acpi_os_stall(how_long_us);
 	}
-- 
2.43.0