summaryrefslogtreecommitdiffstats
path: root/include/drm/drm_gem_cma_helper.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/drm/drm_gem_cma_helper.h')
-rw-r--r--include/drm/drm_gem_cma_helper.h17
1 files changed, 8 insertions, 9 deletions
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h
index f962d33667cf..b42529e0fae0 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_cma_helper.h
@@ -26,6 +26,13 @@ to_drm_gem_cma_obj(struct drm_gem_object *gem_obj)
return container_of(gem_obj, struct drm_gem_cma_object, base);
}
+#ifndef CONFIG_MMU
+#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
+ .get_unmapped_area = drm_gem_cma_get_unmapped_area,
+#else
+#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS
+#endif
+
/**
* DEFINE_DRM_GEM_CMA_FOPS() - macro to generate file operations for CMA drivers
* @name: name for the generated structure
@@ -50,6 +57,7 @@ to_drm_gem_cma_obj(struct drm_gem_object *gem_obj)
.read = drm_read,\
.llseek = noop_llseek,\
.mmap = drm_gem_cma_mmap,\
+ DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
}
/* free GEM object */
@@ -85,15 +93,6 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
unsigned long len,
unsigned long pgoff,
unsigned long flags);
-#else
-static inline unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
- unsigned long addr,
- unsigned long len,
- unsigned long pgoff,
- unsigned long flags)
-{
- return -EINVAL;
-}
#endif
#ifdef CONFIG_DEBUG_FS
OpenPOWER on IntegriCloud