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ANDROID: staging: ion: Remove unnecessary ion heap ops

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The heap operations are redundant now that we have default
dma_buf operations. So, remove them.

Bug: 133508579
Bug: 140290587
Test: ion-unit-tests

Change-Id: I8f87c22896e128f48ed222421cabc23ab238ff69
Signed-off-by: Sandeep Patil <sspatil@google.com>
This commit is contained in:
Sandeep Patil
2019-09-01 23:02:37 -07:00
parent 296ba13074
commit 8eb89f277e
6 changed files with 13 additions and 36 deletions
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9
include/linux/ion.h
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@@ -57,11 +57,8 @@ struct ion_buffer {
* struct ion_heap_ops - ops to operate on a given heap
* @allocate: allocate memory
* @free: free memory
* @map_kernel map memory to the kernel
* @unmap_kernel unmap memory to the kernel
* @map_user map memory to userspace
*
* allocate, phys, and map_user return 0 on success, -errno on error.
* allocate returns 0 on success, -errno on error.
* map_dma and map_kernel return pointer on success, ERR_PTR on
* error. @free will be called with ION_PRIV_FLAG_SHRINKER_FREE set in
* the buffer's private_flags when called from a shrinker. In that
@@ -73,10 +70,6 @@ struct ion_heap_ops {
struct ion_buffer *buffer, unsigned long len,
unsigned long flags);
void (*free)(struct ion_buffer *buffer);
void * (*map_kernel)(struct ion_heap *heap, struct ion_buffer *buffer);
void (*unmap_kernel)(struct ion_heap *heap, struct ion_buffer *buffer);
int (*map_user)(struct ion_heap *mapper, struct ion_buffer *buffer,
struct vm_area_struct *vma);
int (*shrink)(struct ion_heap *heap, gfp_t gfp_mask, int nr_to_scan);
};