--- /dev/null
+From 4857371a7cc5d371b1e4221fa38848716a779eb1 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Fri, 8 Mar 2019 10:49:17 +0000
+Subject: [PATCH] staging: vc-sm-cma: Remove the debugfs directory on
+ remove
+
+Without removing that, reloading the driver fails.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/staging/vc04_services/vc-sm-cma/vc_sm.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
++++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
+@@ -757,7 +757,7 @@ static int bcm2835_vc_sm_cma_remove(stru
+ pr_debug("[%s]: start\n", __func__);
+ if (sm_inited) {
+ /* Remove all proc entries. */
+- //debugfs_remove_recursive(sm_state->dir_root);
++ debugfs_remove_recursive(sm_state->dir_root);
+
+ /* Stop the videocore shared memory service. */
+ vc_sm_cma_vchi_stop(&sm_state->sm_handle);