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-rw-r--r--include/acpi/acinterp.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/include/acpi/acinterp.h b/include/acpi/acinterp.h
index 9f22cfcb624..91586d0d5bb 100644
--- a/include/acpi/acinterp.h
+++ b/include/acpi/acinterp.h
@@ -53,10 +53,14 @@
#define ACPI_EXD_TABLE_SIZE(name) (sizeof(name) / sizeof (struct acpi_exdump_info))
/*
- * If possible, pack the following structure to byte alignment, since we
- * don't care about performance for debug output
+ * If possible, pack the following structures to byte alignment, since we
+ * don't care about performance for debug output. Two cases where we cannot
+ * pack the structures:
+ *
+ * 1) Hardware does not support misaligned memory transfers
+ * 2) Compiler does not support pointers within packed structures
*/
-#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+#if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
#pragma pack(1)
#endif
@@ -287,7 +291,10 @@ acpi_ex_system_wait_event(union acpi_operand_object *time,
acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
-acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout);
+acpi_status
+acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
+
+acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
/*
* exoparg1 - ACPI AML execution, 1 operand