This patch removes vb2_mmap_pfn_range from videobuf2 helpers.
The function is no longer used in vb2 code.
Suggested-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Signed-off-by: Tomasz Stanislawski <t.stanisl...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
drivers/media/video/videobuf2-memops.c | 40 --------------------------------
include/media/videobuf2-memops.h | 5 ----
2 files changed, 45 deletions(-)
diff --git a/drivers/media/video/videobuf2-memops.c
b/drivers/media/video/videobuf2-memops.c
index 504cd4c..81c1ad8 100644
--- a/drivers/media/video/videobuf2-memops.c
+++ b/drivers/media/video/videobuf2-memops.c
@@ -137,46 +137,6 @@ int vb2_get_contig_userptr(unsigned long vaddr, unsigned
long size,
EXPORT_SYMBOL_GPL(vb2_get_contig_userptr);
/**
- * vb2_mmap_pfn_range() - map physical pages to userspace
- * @vma: virtual memory region for the mapping
- * @paddr: starting physical address of the memory to be mapped
- * @size: size of the memory to be mapped
- * @vm_ops: vm operations to be assigned to the created area
- * @priv: private data to be associated with the area
- *
- * Returns 0 on success.
- */
-int vb2_mmap_pfn_range(struct vm_area_struct *vma, unsigned long paddr,
- unsigned long size,
- const struct vm_operations_struct *vm_ops,
- void *priv)
-{
- int ret;
-
- size = min_t(unsigned long, vma->vm_end - vma->vm_start, size);
-
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- ret = remap_pfn_range(vma, vma->vm_start, paddr >> PAGE_SHIFT,
- size, vma->vm_page_prot);
- if (ret) {
- printk(KERN_ERR "Remapping memory failed, error: %d\n", ret);
- return ret;
- }
-
- vma->vm_flags |= VM_DONTEXPAND | VM_RESERVED;
- vma->vm_private_data = priv;
- vma->vm_ops = vm_ops;
-
- vma->vm_ops->open(vma);
-
- pr_debug("%s: mapped paddr 0x%08lx at 0x%08lx, size %ld\n",
- __func__, paddr, vma->vm_start, size);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(vb2_mmap_pfn_range);
-
-/**
* vb2_common_vm_open() - increase refcount of the vma
* @vma: virtual memory region for the mapping
*
diff --git a/include/media/videobuf2-memops.h b/include/media/videobuf2-memops.h
index 84e1f6c..f05444c 100644
--- a/include/media/videobuf2-memops.h
+++ b/include/media/videobuf2-memops.h
@@ -33,11 +33,6 @@ extern const struct vm_operations_struct vb2_common_vm_ops;
int vb2_get_contig_userptr(unsigned long vaddr, unsigned long size,
struct vm_area_struct **res_vma, dma_addr_t *res_pa);
-int vb2_mmap_pfn_range(struct vm_area_struct *vma, unsigned long paddr,
- unsigned long size,
- const struct vm_operations_struct *vm_ops,
- void *priv);
-
struct vm_area_struct *vb2_get_vma(struct vm_area_struct *vma);
void vb2_put_vma(struct vm_area_struct *vma);
--
1.7.9.5
--
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