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Commit 417b4a73 authored by Lv Zheng's avatar Lv Zheng Committed by Rafael J. Wysocki
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ACPI: Add support to force header inclusion rules for <acpi/acpi.h>. 



As there is only CONFIG_ACPI=n processing in the <linux/acpi.h>, it is not
safe to include <acpi/acpi.h> directly for source out of Linux ACPI
subsystems.

This patch adds error messaging to warn developers of such wrong
inclusions.

In order not to be bisected and reverted as a wrong commit, warning
messages are carefully split into a seperate patch other than the wrong
inclusion cleanups.

Signed-off-by: default avatarLv Zheng <lv.zheng@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent f997ea54

drivers/acpi/acpica/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ 
# Makefile for ACPICA Core interpreter

#



ccflags-y			:= -Os

ccflags-y			:= -Os -DBUILDING_ACPICA

ccflags-$(CONFIG_ACPI_DEBUG)	+= -DACPI_DEBUG_OUTPUT



# use acpi.o to put all files here into acpi.o modparam namespace

include/acpi/platform/aclinux.h

+10 −0
Original line number Diff line number Diff line
@@ -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