v4.19.13 snapshot.
diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c
new file mode 100644
index 0000000..6bb85d6
--- /dev/null
+++ b/drivers/acpi/acpica/utxferror.c
@@ -0,0 +1,220 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/*******************************************************************************
+ *
+ * Module Name: utxferror - Various error/warning output functions
+ *
+ ******************************************************************************/
+
+#define EXPORT_ACPI_INTERFACES
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utxferror")
+
+/*
+ * This module is used for the in-kernel ACPICA as well as the ACPICA
+ * tools/applications.
+ */
+#ifndef ACPI_NO_ERROR_MESSAGES /* Entire module */
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_error
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print "ACPI Error" message with module/line/version info
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE
+acpi_error(const char *module_name, u32 line_number, const char *format, ...)
+{
+ va_list arg_list;
+
+ ACPI_MSG_REDIRECT_BEGIN;
+ acpi_os_printf(ACPI_MSG_ERROR);
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ ACPI_MSG_SUFFIX;
+ va_end(arg_list);
+
+ ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_error)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_exception
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * status - Status value to be decoded/formatted
+ * format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print an "ACPI Error" message with module/line/version
+ * info as well as decoded acpi_status.
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE
+acpi_exception(const char *module_name,
+ u32 line_number, acpi_status status, const char *format, ...)
+{
+ va_list arg_list;
+
+ ACPI_MSG_REDIRECT_BEGIN;
+
+ /* For AE_OK, just print the message */
+
+ if (ACPI_SUCCESS(status)) {
+ acpi_os_printf(ACPI_MSG_ERROR);
+
+ } else {
+ acpi_os_printf(ACPI_MSG_ERROR "%s, ",
+ acpi_format_exception(status));
+ }
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ ACPI_MSG_SUFFIX;
+ va_end(arg_list);
+
+ ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_exception)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_warning
+ *
+ * PARAMETERS: module_name - Caller's module name (for warning output)
+ * line_number - Caller's line number (for warning output)
+ * format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print "ACPI Warning" message with module/line/version info
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE
+acpi_warning(const char *module_name, u32 line_number, const char *format, ...)
+{
+ va_list arg_list;
+
+ ACPI_MSG_REDIRECT_BEGIN;
+ acpi_os_printf(ACPI_MSG_WARNING);
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ ACPI_MSG_SUFFIX;
+ va_end(arg_list);
+
+ ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_warning)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_info
+ *
+ * PARAMETERS: format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print generic "ACPI:" information message. There is no
+ * module/line/version info in order to keep the message simple.
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE acpi_info(const char *format, ...)
+{
+ va_list arg_list;
+
+ ACPI_MSG_REDIRECT_BEGIN;
+ acpi_os_printf(ACPI_MSG_INFO);
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ acpi_os_printf("\n");
+ va_end(arg_list);
+
+ ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_info)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_bios_error
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print "ACPI Firmware Error" message with module/line/version
+ * info
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE
+acpi_bios_error(const char *module_name,
+ u32 line_number, const char *format, ...)
+{
+ va_list arg_list;
+
+ ACPI_MSG_REDIRECT_BEGIN;
+ acpi_os_printf(ACPI_MSG_BIOS_ERROR);
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ ACPI_MSG_SUFFIX;
+ va_end(arg_list);
+
+ ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_bios_error)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_bios_warning
+ *
+ * PARAMETERS: module_name - Caller's module name (for warning output)
+ * line_number - Caller's line number (for warning output)
+ * format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print "ACPI Firmware Warning" message with module/line/version
+ * info
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE
+acpi_bios_warning(const char *module_name,
+ u32 line_number, const char *format, ...)
+{
+ va_list arg_list;
+
+ ACPI_MSG_REDIRECT_BEGIN;
+ acpi_os_printf(ACPI_MSG_BIOS_WARNING);
+
+ va_start(arg_list, format);
+ acpi_os_vprintf(format, arg_list);
+ ACPI_MSG_SUFFIX;
+ va_end(arg_list);
+
+ ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_bios_warning)
+#endif /* ACPI_NO_ERROR_MESSAGES */