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-rw-r--r--include/acpi/platform/aclinux.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index cd1f052d55bb..1ba7c190c2cc 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -44,6 +44,16 @@
#ifndef __ACLINUX_H__
#define __ACLINUX_H__
+#ifdef __KERNEL__
+
+/* ACPICA external files should not include ACPICA headers directly. */
+
+#if !defined(BUILDING_ACPICA) && !defined(_LINUX_ACPI_H)
+#error "Please don't include <acpi/acpi.h> directly, include <linux/acpi.h> instead."
+#endif
+
+#endif
+
/* Common (in-kernel/user-space) ACPICA configuration */
#define ACPI_USE_SYSTEM_CLIBRARY
@@ -70,7 +80,9 @@
#ifdef EXPORT_ACPI_INTERFACES
#include <linux/export.h>
#endif
+#ifdef CONFIG_ACPI
#include <asm/acenv.h>
+#endif
#ifndef CONFIG_ACPI