[PATCH v1 07/20] ACPICA: Implement ACPI_WARNING_ONCE and ACPI_ERROR_ONCE

Rafael J. Wysocki
2024-08-29T18:44:31Z

From: Vasily Khoruzhick <anarsoul@gmail.com>

ACPICA commit 2ad4e6e7c4118f4cdfcad321c930b836cec77406

In some cases it is not practical nor useful to nag user about some
firmware errors that they cannot fix. Add a macro that will print a
warning or error only once to be used in these cases.

Link: https://github.com/acpica/acpica/commit/2ad4e6e7
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
include/acpi/acoutput.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index b1571dd96310..5e0346142f98 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -193,6 +193,7 @@
*/
#ifndef ACPI_NO_ERROR_MESSAGES
#define AE_INFO _acpi_module_name, __LINE__
+#define ACPI_ONCE(_fn, _plist) { static char _done; if (!_done) { _done = 1; _fn _plist; } }

/*
* Error reporting. Callers module and line number are inserted by AE_INFO,
@@ -201,8 +202,10 @@
*/
#define ACPI_INFO(plist) acpi_info plist
#define ACPI_WARNING(plist) acpi_warning plist
+#define ACPI_WARNING_ONCE(plist) ACPI_ONCE(acpi_warning, plist)
#define ACPI_EXCEPTION(plist) acpi_exception plist
#define ACPI_ERROR(plist) acpi_error plist
+#define ACPI_ERROR_ONCE(plist) ACPI_ONCE(acpi_error, plist)
#define ACPI_BIOS_WARNING(plist) acpi_bios_warning plist
#define ACPI_BIOS_EXCEPTION(plist) acpi_bios_exception plist
#define ACPI_BIOS_ERROR(plist) acpi_bios_error plist
@@ -214,8 +217,10 @@

#define ACPI_INFO(plist)
#define ACPI_WARNING(plist)
+#define ACPI_WARNING_ONCE(plist)
#define ACPI_EXCEPTION(plist)
#define ACPI_ERROR(plist)
+#define ACPI_ERROR_ONCE(plist)
#define ACPI_BIOS_WARNING(plist)
#define ACPI_BIOS_EXCEPTION(plist)
#define ACPI_BIOS_ERROR(plist)
--
2.43.0