media: atomisp: removed unused hmm_bo_get_page_info() function

hmm_bo_get_page_info() is not used anywhere, remove it.

Link: https://lore.kernel.org/linux-media/20220615205037.16549-17-hdegoede@redhat.comReviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/atomisp/include/hmm/hmm_bo.h

@@ -232,12 +232,6 @@ int hmm_bo_alloc_pages(struct hmm_buffer_object *bo,
 void hmm_bo_free_pages(struct hmm_buffer_object *bo);
 int hmm_bo_page_allocated(struct hmm_buffer_object *bo);
 
-/*
- * get physical page info of the bo.
- */
-int hmm_bo_get_page_info(struct hmm_buffer_object *bo,
-			 struct hmm_page_object **page_obj, int *pgnr);
-
 /*
  * bind/unbind the physical pages to a virtual address space.
  */

drivers/staging/media/atomisp/pci/hmm/hmm_bo.c

@@ -975,32 +975,6 @@ int hmm_bo_page_allocated(struct hmm_buffer_object *bo)
 	return bo->status & HMM_BO_PAGE_ALLOCED;
 }
 
-/*
- * get physical page info of the bo.
- */
-int hmm_bo_get_page_info(struct hmm_buffer_object *bo,
-			 struct hmm_page_object **page_obj, int *pgnr)
-{
-	check_bo_null_return(bo, -EINVAL);
-
-	mutex_lock(&bo->mutex);
-
-	check_bo_status_yes_goto(bo, HMM_BO_PAGE_ALLOCED, status_err);
-
-	*page_obj = bo->page_obj;
-	*pgnr = bo->pgnr;
-
-	mutex_unlock(&bo->mutex);
-
-	return 0;
-
-status_err:
-	dev_err(atomisp_dev,
-		"buffer object not page allocated yet.\n");
-	mutex_unlock(&bo->mutex);
-	return -EINVAL;
-}
-
 /*
  * bind the physical pages to a virtual address space.
  */