gpu: ion: remove unnecessary function from system heap

ion_system_contig_heap buffers have an sglist, just call
ion_heap_map_user to map it.

Change-Id: I6dea383955834613fa8833659b31533c957c2b0b
Signed-off-by: Colin Cross <ccross@android.com>

diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c
index 954eb56e7157b4257fa930e562b5a2b03f7d8838..5b9c0e0da5e7f19708eb9a21d1cdf2177edabd2b 100644 (file)
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ b/drivers/staging/android/ion/ion_system_heap.c
@@ -422,17 +422,6 @@ void ion_system_contig_heap_unmap_dma(struct ion_heap *heap,
        kfree(buffer->sg_table);
 }
 
-int ion_system_contig_heap_map_user(struct ion_heap *heap,
-                                   struct ion_buffer *buffer,
-                                   struct vm_area_struct *vma)
-{
-       unsigned long pfn = page_to_pfn(virt_to_page(buffer->priv_virt));
-       return remap_pfn_range(vma, vma->vm_start, pfn + vma->vm_pgoff,
-                              vma->vm_end - vma->vm_start,
-                              vma->vm_page_prot);
-
-}
-
 static struct ion_heap_ops kmalloc_ops = {
        .allocate = ion_system_contig_heap_allocate,
        .free = ion_system_contig_heap_free,
@@ -441,7 +430,7 @@ static struct ion_heap_ops kmalloc_ops = {
        .unmap_dma = ion_system_contig_heap_unmap_dma,
        .map_kernel = ion_heap_map_kernel,
        .unmap_kernel = ion_heap_unmap_kernel,
-       .map_user = ion_system_contig_heap_map_user,
+       .map_user = ion_heap_map_user,
 };
 
 struct ion_heap *ion_system_contig_heap_create(struct ion_platform_heap *unused)