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drm/i915/utils: throw out unused stuff

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Remove some of the unused helpers from i915_utils.h.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220607094207.536699-3-jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2022-06-07 12:42:07 +03:00
parent 38353a5e3d
commit aec23025eb
1 changed files with 0 additions and 40 deletions
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40
drivers/gpu/drm/i915/i915_utils.h
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@@ -115,39 +115,6 @@ bool i915_error_injected(void);
#define overflows_type(x, T) \
(sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T))
static inline bool
__check_struct_size(size_t base, size_t arr, size_t count, size_t *size)
{
size_t sz;
if (check_mul_overflow(count, arr, &sz))
return false;
if (check_add_overflow(sz, base, &sz))
return false;
*size = sz;
return true;
}
/**
* check_struct_size() - Calculate size of structure with trailing array.
* @p: Pointer to the structure.
* @member: Name of the array member.
* @n: Number of elements in the array.
* @sz: Total size of structure and array
*
* Calculates size of memory needed for structure @p followed by an
* array of @n @member elements, like struct_size() but reports
* whether it overflowed, and the resultant size in @sz
*
* Return: false if the calculation overflowed.
*/
#define check_struct_size(p, member, n, sz) \
likely(__check_struct_size(sizeof(*(p)), \
sizeof(*(p)->member) + __must_be_array((p)->member), \
n, sz))
#define ptr_mask_bits(ptr, n) ({ \
unsigned long __v = (unsigned long)(ptr); \
(typeof(ptr))(__v & -BIT(n)); \
@@ -184,8 +151,6 @@ __check_struct_size(size_t base, size_t arr, size_t count, size_t *size)
#define struct_member(T, member) (((T *)0)->member)
#define ptr_offset(ptr, member) offsetof(typeof(*(ptr)), member)
#define fetch_and_zero(ptr) ({ \
typeof(*ptr) __T = *(ptr); \
*(ptr) = (typeof(*ptr))0; \
@@ -228,11 +193,6 @@ static __always_inline ptrdiff_t ptrdiff(const void *a, const void *b)
get_user(mbz__, (U)) ? -EFAULT : mbz__ ? -EINVAL : 0; \
})
static inline u64 ptr_to_u64(const void *ptr)
{
return (uintptr_t)ptr;
}
#define u64_to_ptr(T, x) ({ \
typecheck(u64, x); \
(T *)(uintptr_t)(x); \