diff options
author | Lv Zheng <lv.zheng@intel.com> | 2013-12-06 16:52:05 +0800 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-12-07 01:24:33 +0100 |
commit | 27d50c82714f6477ac690034b37d202f76eb4f70 (patch) | |
tree | 67a1d4e0e73b7e0167a7406ec962718ae2d58305 | |
parent | c099eacbcaec4475936fbf73e499507728ce47e1 (diff) |
ACPI / i915: Fix incorrect <acpi/acpi.h> inclusions via <linux/acpi_io.h>
To avoid build problems and breaking dependencies between ACPI header
files, <acpi/acpi.h> should not be included directly by code outside
of the ACPI core subsystem. However, that is possible if
<linux/acpi_io.h> is included, because that file contains
a direct inclusion of <acpi/acpi.h>.
For this reason, remove the direct <acpi/acpi.h> inclusion from
<linux/acpi_io.h>, move that file from include/linux/ to include/acpi/
and make <linux/acpi.h> include it for CONFIG_ACPI set along with the
other ACPI header files. Accordingly, Remove the inclusions of
<linux/acpi_io.h> from everywhere.
Of course, that causes the contents of the new <acpi/acpi_io.h> file
to be available for CONFIG_ACPI set only, so intel_opregion.o that
depends on it should also depend on CONFIG_ACPI (and it really should
not be compiled for CONFIG_ACPI unset anyway).
References: https://01.org/linuxgraphics/sites/default/files/documentation/acpi_igd_opregion_spec.pdf
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[rjw: Subject and changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r-- | drivers/acpi/apei/apei-base.c | 1 | ||||
-rw-r--r-- | drivers/acpi/apei/apei-internal.h | 1 | ||||
-rw-r--r-- | drivers/acpi/apei/ghes.c | 1 | ||||
-rw-r--r-- | drivers/acpi/nvs.c | 1 | ||||
-rw-r--r-- | drivers/acpi/osl.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/gma500/opregion.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/Makefile | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 1 | ||||
-rw-r--r-- | include/acpi/acpi_io.h (renamed from include/linux/acpi_io.h) | 1 | ||||
-rw-r--r-- | include/linux/acpi.h | 1 |
11 files changed, 4 insertions, 11 deletions
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index 6d2c49b86b7..0760b75f79c 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -34,7 +34,6 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/acpi.h> -#include <linux/acpi_io.h> #include <linux/slab.h> #include <linux/io.h> #include <linux/kref.h> diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h index 21ba34a7388..e5bcd919d4e 100644 --- a/drivers/acpi/apei/apei-internal.h +++ b/drivers/acpi/apei/apei-internal.h @@ -8,7 +8,6 @@ #include <linux/cper.h> #include <linux/acpi.h> -#include <linux/acpi_io.h> struct apei_exec_context; diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index a30bc313787..694c486a12e 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -33,7 +33,6 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/acpi.h> -#include <linux/acpi_io.h> #include <linux/io.h> #include <linux/interrupt.h> #include <linux/timer.h> diff --git a/drivers/acpi/nvs.c b/drivers/acpi/nvs.c index 386a9fe497b..ef28613d519 100644 --- a/drivers/acpi/nvs.c +++ b/drivers/acpi/nvs.c @@ -12,7 +12,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/acpi.h> -#include <linux/acpi_io.h> /* ACPI NVS regions, APEI may use it */ diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 244be2affea..064b8b36506 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -39,7 +39,6 @@ #include <linux/workqueue.h> #include <linux/nmi.h> #include <linux/acpi.h> -#include <linux/acpi_io.h> #include <linux/efi.h> #include <linux/ioport.h> #include <linux/list.h> diff --git a/drivers/gpu/drm/gma500/opregion.c b/drivers/gpu/drm/gma500/opregion.c index ad0d6de938f..13ec6283bf5 100644 --- a/drivers/gpu/drm/gma500/opregion.c +++ b/drivers/gpu/drm/gma500/opregion.c @@ -22,7 +22,6 @@ * */ #include <linux/acpi.h> -#include <linux/acpi_io.h> #include "psb_drv.h" #include "psb_intel_reg.h" diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 41838eaa799..d4ae48b04cf 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -38,7 +38,6 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o \ intel_ringbuffer.o \ intel_overlay.o \ intel_sprite.o \ - intel_opregion.o \ intel_sideband.o \ intel_uncore.o \ dvo_ch7xxx.o \ @@ -51,7 +50,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o \ i915-$(CONFIG_COMPAT) += i915_ioc32.o -i915-$(CONFIG_ACPI) += intel_acpi.o +i915-$(CONFIG_ACPI) += intel_acpi.o intel_opregion.o i915-$(CONFIG_DRM_I915_FBDEV) += intel_fbdev.o diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ccdbecca070..7f37b838802 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2336,8 +2336,8 @@ extern void intel_i2c_reset(struct drm_device *dev); /* intel_opregion.c */ struct intel_encoder; -extern int intel_opregion_setup(struct drm_device *dev); #ifdef CONFIG_ACPI +extern int intel_opregion_setup(struct drm_device *dev); extern void intel_opregion_init(struct drm_device *dev); extern void intel_opregion_fini(struct drm_device *dev); extern void intel_opregion_asle_intr(struct drm_device *dev); @@ -2346,6 +2346,7 @@ extern int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, extern int intel_opregion_notify_adapter(struct drm_device *dev, pci_power_t state); #else +static inline int intel_opregion_setup(struct drm_device *dev) { return 0; } static inline void intel_opregion_init(struct drm_device *dev) { return; } static inline void intel_opregion_fini(struct drm_device *dev) { return; } static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; } diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 6d69a9bad86..9a8804bee5c 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -28,7 +28,6 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/acpi.h> -#include <linux/acpi_io.h> #include <acpi/video.h> #include <drm/drmP.h> diff --git a/include/linux/acpi_io.h b/include/acpi/acpi_io.h index 2a5a1391ce7..2be858018c7 100644 --- a/include/linux/acpi_io.h +++ b/include/acpi/acpi_io.h @@ -2,7 +2,6 @@ #define _ACPI_IO_H_ #include <linux/io.h> -#include <acpi/acpi.h> /* FIXME: inclusion should be removed */ static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index d9099b15b47..726a6aa62b6 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -42,6 +42,7 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> #include <acpi/acpi_numa.h> +#include <acpi/acpi_io.h> #include <asm/acpi.h> static inline acpi_handle acpi_device_handle(struct acpi_device *adev) |