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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
index 88257c276eb9..6bf4de990325 100644
--- a/drivers/gpu/drm/mga/mga_drv.h
+++ b/drivers/gpu/drm/mga/mga_drv.h
@@ -113,8 +113,8 @@ typedef struct drm_mga_private {
          * \sa drm_mga_private_t::mmio
          */
         /*@{ */
-        u32 mmio_base;             /**< Bus address of base of MMIO. */
-        u32 mmio_size;             /**< Size of the MMIO region. */
+        resource_size_t mmio_base;         /**< Bus address of base of MMIO. */
+        resource_size_t mmio_size;         /**< Size of the MMIO region. */
         /*@} */
 
         u32 clear_cmd;