media: atomisp: drop HMM_BO_SHARE type

HMM_BO_SHARE is not supported by the hmm_bo code at all, drop it.

Link: https://lore.kernel.org/linux-media/20220615205037.16549-32-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

@@ -76,7 +76,6 @@
 
 enum hmm_bo_type {
 	HMM_BO_PRIVATE,
-	HMM_BO_SHARE,
 	HMM_BO_USER,
 	HMM_BO_LAST,
 };

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

@@ -875,13 +875,10 @@ static int alloc_user_pages(struct hmm_buffer_object *bo,
  * allocate/free physical pages for the bo.
  *
  * type indicate where are the pages from. currently we have 3 types
- * of memory: HMM_BO_PRIVATE, HMM_BO_USER, HMM_BO_SHARE.
+ * of memory: HMM_BO_PRIVATE, HMM_BO_USER.
  *
  * userptr is only valid when type is HMM_BO_USER, it indicates
  * the start address from user space task.
- *
- * from_highmem and userptr will both be ignored when type is
- * HMM_BO_SHARE.
  */
 int hmm_bo_alloc_pages(struct hmm_buffer_object *bo,
 		       enum hmm_bo_type type,