From d6e9c965607c3c51b965b7e804537000332cb666 Mon Sep 17 00:00:00 2001 From: Michal Wajdeczko Date: Wed, 2 Jun 2021 22:16:18 -0700 Subject: drm/i915: Promote ptrdiff() to i915_utils.h Generic helpers should be placed in i915_utils.h. Signed-off-by: Michal Wajdeczko Signed-off-by: Matthew Brost Reviewed-by: Matthew Brost Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20210603051630.2635-9-matthew.brost@intel.com --- drivers/gpu/drm/i915/i915_utils.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpu/drm/i915/i915_utils.h') 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. * -- cgit v1.2.3-59-g8ed1b