diff options
| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2021-06-02 22:16:18 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-06-03 23:35:43 +0200 |
| commit | d6e9c965607c3c51b965b7e804537000332cb666 (patch) | |
| tree | 0d2d4b26a71e9287a8da11aecd2360bc2a6641a9 /drivers/gpu/drm/i915/i915_utils.h | |
| parent | 882be6e0b705681ec210d80e7abc0e7e4c8aad28 (diff) | |
drm/i915: Promote ptrdiff() to i915_utils.h
Generic helpers should be placed in i915_utils.h.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603051630.2635-9-matthew.brost@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_utils.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_utils.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index f02f52ab5070..5259edacde38 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -201,6 +201,11 @@ __check_struct_size(size_t base, size_t arr, size_t count, size_t *size) __T; \ }) +static __always_inline ptrdiff_t ptrdiff(const void *a, const void *b) +{ + return a - b; +} + /* * container_of_user: Extract the superclass from a pointer to a member. * |