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staging: ion: remove dead code 

ion_heap_pages_zero() function is not used at all, so remove it to
simplify the ion_heap_sglist_zero() function later.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20200619103636.11974-30-m.szyprowski@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Marek Szyprowski 2020-06-19 12:36:29 +02:00 committed by Greg Kroah-Hartman
parent 8947979e8d
commit bcb24e6d32
2 changed files with 0 additions and 10 deletions
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1
drivers/staging/android/ion/ion.h
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@ -177,7 +177,6 @@ void ion_heap_unmap_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer, int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
struct vm_area_struct *vma); struct vm_area_struct *vma);
int ion_heap_buffer_zero(struct ion_buffer *buffer); int ion_heap_buffer_zero(struct ion_buffer *buffer);
int ion_heap_pages_zero(struct page *page, size_t size, pgprot_t pgprot);
/** /**
* ion_heap_init_shrinker * ion_heap_init_shrinker

9
drivers/staging/android/ion/ion_heap.c
View File

@ -145,15 +145,6 @@ int ion_heap_buffer_zero(struct ion_buffer *buffer)
return ion_heap_sglist_zero(table->sgl, table->nents, pgprot); return ion_heap_sglist_zero(table->sgl, table->nents, pgprot);
} }
int ion_heap_pages_zero(struct page *page, size_t size, pgprot_t pgprot)
{
struct scatterlist sg;
sg_init_table(&sg, 1);
sg_set_page(&sg, page, size, 0);
return ion_heap_sglist_zero(&sg, 1, pgprot);
}
void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer) void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer)
{ {
spin_lock(&heap->free_lock); spin_lock(&heap->free_lock);