drm/tee_shm: Drop dma_buf_k(unmap) support

There's no in-tree users anymore.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jens Wiklander <jens.wiklander@linaro.org>
Cc: tee-dev@lists.linaro.org
Link: https://patchwork.freedesktop.org/patch/msgid/20191118103536.17675-13-daniel.vetter@ffwll.ch

drivers/misc/fastrpc.c

@@ -555,13 +555,6 @@ static void fastrpc_dma_buf_detatch(struct dma_buf *dmabuf,
 	kfree(a);
 }
 
-static void *fastrpc_kmap(struct dma_buf *dmabuf, unsigned long pgnum)
-{
-	struct fastrpc_buf *buf = dmabuf->priv;
-
-	return buf->virt ? buf->virt + pgnum * PAGE_SIZE : NULL;
-}
-
 static void *fastrpc_vmap(struct dma_buf *dmabuf)
 {
 	struct fastrpc_buf *buf = dmabuf->priv;
@@ -585,7 +578,6 @@ static const struct dma_buf_ops fastrpc_dma_buf_ops = {
 	.map_dma_buf = fastrpc_map_dma_buf,
 	.unmap_dma_buf = fastrpc_unmap_dma_buf,
 	.mmap = fastrpc_mmap,
-	.map = fastrpc_kmap,
 	.vmap = fastrpc_vmap,
 	.release = fastrpc_release,
 };

drivers/tee/tee_shm.c

@@ -71,11 +71,6 @@ static void tee_shm_op_release(struct dma_buf *dmabuf)
 	tee_shm_release(shm);
 }
 
-static void *tee_shm_op_map(struct dma_buf *dmabuf, unsigned long pgnum)
-{
-	return NULL;
-}
-
 static int tee_shm_op_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
 {
 	struct tee_shm *shm = dmabuf->priv;
@@ -93,7 +88,6 @@ static const struct dma_buf_ops tee_shm_dma_buf_ops = {
 	.map_dma_buf = tee_shm_op_map_dma_buf,
 	.unmap_dma_buf = tee_shm_op_unmap_dma_buf,
 	.release = tee_shm_op_release,
-	.map = tee_shm_op_map,
 	.mmap = tee_shm_op_mmap,
 };