[Intel-gfx] [PATCH] drm/i915: remove struct_member macro

Andrzej Hajda andrzej.hajda at intel.com
Fri Dec 9 12:14:59 UTC 2022


Since it is used only to get type of member it can be replaced
with typeof_member.

Signed-off-by: Andrzej Hajda <andrzej.hajda at intel.com>
---
 drivers/gpu/drm/i915/i915_utils.h       | 4 +---
 drivers/gpu/drm/i915/intel_runtime_pm.h | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
index 6c14d13364bf78..b64192d9c7daa7 100644
--- a/drivers/gpu/drm/i915/i915_utils.h
+++ b/drivers/gpu/drm/i915/i915_utils.h
@@ -149,8 +149,6 @@ bool i915_error_injected(void);
 #define page_pack_bits(ptr, bits) ptr_pack_bits(ptr, bits, PAGE_SHIFT)
 #define page_unpack_bits(ptr, bits) ptr_unpack_bits(ptr, bits, PAGE_SHIFT)
 
-#define struct_member(T, member) (((T *)0)->member)
-
 #define fetch_and_zero(ptr) ({						\
 	typeof(*ptr) __T = *(ptr);					\
 	*(ptr) = (typeof(*ptr))0;					\
@@ -170,7 +168,7 @@ static __always_inline ptrdiff_t ptrdiff(const void *a, const void *b)
  */
 #define container_of_user(ptr, type, member) ({				\
 	void __user *__mptr = (void __user *)(ptr);			\
-	BUILD_BUG_ON_MSG(!__same_type(*(ptr), struct_member(type, member)) && \
+	BUILD_BUG_ON_MSG(!__same_type(*(ptr), typeof_member(type, member)) && \
 			 !__same_type(*(ptr), void),			\
 			 "pointer type mismatch in container_of()");	\
 	((type __user *)(__mptr - offsetof(type, member))); })
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.h b/drivers/gpu/drm/i915/intel_runtime_pm.h
index 98b8b28baaa15e..e592e8d6499a1f 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.h
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.h
@@ -96,7 +96,7 @@ struct intel_runtime_pm {
 };
 
 #define BITS_PER_WAKEREF	\
-	BITS_PER_TYPE(struct_member(struct intel_runtime_pm, wakeref_count))
+	BITS_PER_TYPE(typeof_member(struct intel_runtime_pm, wakeref_count))
 #define INTEL_RPM_WAKELOCK_SHIFT	(BITS_PER_WAKEREF / 2)
 #define INTEL_RPM_WAKELOCK_BIAS		(1 << INTEL_RPM_WAKELOCK_SHIFT)
 #define INTEL_RPM_RAW_WAKEREF_MASK	(INTEL_RPM_WAKELOCK_BIAS - 1)
-- 
2.34.1



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