[PATCH v2 05/32] acpi-video-detect: Move acpi_osi_is_win8 to osl.c

[Hans de Goede <hdegoede@xxxxxxxxxx>]

acpi_osi_is_win8 needs access to acpi_gbl_osi_data which is not exported,
so move it to osl.c. Alternatively we could export acpi_gbl_osi_data but
that seems undesirable.

This allows video_detect.c to be build as a module, besides that
acpi_osi_is_win8() is something which does not really belong in
video_detect.c in the first place.

Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
 drivers/acpi/internal.h     | 7 -------
 drivers/acpi/osl.c          | 6 ++++++
 drivers/acpi/video_detect.c | 6 ------
 include/linux/acpi.h        | 1 +
 4 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index ba4a61e..c370676 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -182,13 +182,6 @@ static inline void suspend_nvs_restore(void) {}
 #endif
 
 /*--------------------------------------------------------------------------
-					Video
-  -------------------------------------------------------------------------- */
-#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
-bool acpi_osi_is_win8(void);
-#endif
-
-/*--------------------------------------------------------------------------
 				Device properties
   -------------------------------------------------------------------------- */
 void acpi_init_properties(struct acpi_device *adev);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 7ccba39..b906deb 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1684,6 +1684,12 @@ int acpi_resources_are_enforced(void)
 }
 EXPORT_SYMBOL(acpi_resources_are_enforced);
 
+bool acpi_osi_is_win8(void)
+{
+	return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;
+}
+EXPORT_SYMBOL(acpi_osi_is_win8);
+
 /*
  * Deallocate the memory for a spinlock.
  */
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index aad5cf4..026376d 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -178,12 +178,6 @@ static void acpi_video_caps_check(void)
 		acpi_video_get_capabilities(NULL);
 }
 
-bool acpi_osi_is_win8(void)
-{
-	return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;
-}
-EXPORT_SYMBOL(acpi_osi_is_win8);
-
 /* Promote the vendor interface instead of the generic video module.
  * This function allow DMI blacklists to be implemented by externals
  * platform drivers instead of putting a big blacklist in video_detect.c
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 7cb3b0b..913a1c1 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -266,6 +266,7 @@ static inline int acpi_video_backlight_support(void)
 extern int acpi_blacklisted(void);
 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 extern void acpi_osi_setup(char *str);
+extern bool acpi_osi_is_win8(void);
 
 #ifdef CONFIG_ACPI_NUMA
 int acpi_get_node(acpi_handle handle);
-- 
2.4.2

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