drm: Use resource_size_t for drm_get_resource_{start, len}
The DRM uses its own wrappers to obtain resources from PCI devices,
which currently convert the resource_size_t into an unsigned long.
This is broken on 32-bit platforms with >32-bit physical address
space.
This fixes them, along with a few occurences of unsigned long used
to store such a resource in drivers.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index e5f4ae9..34e1676 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1173,10 +1173,10 @@
extern int drm_mapbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_order(unsigned long size);
-extern unsigned long drm_get_resource_start(struct drm_device *dev,
+extern resource_size_t drm_get_resource_start(struct drm_device *dev,
+ unsigned int resource);
+extern resource_size_t drm_get_resource_len(struct drm_device *dev,
unsigned int resource);
-extern unsigned long drm_get_resource_len(struct drm_device *dev,
- unsigned int resource);
/* DMA support (drm_dma.h) */
extern int drm_dma_setup(struct drm_device *dev);