iommu: apple: Mark device as vital

Avoids NULL pointer dereferences if the iommu device is removed before its user. Observed on a M1 Ultra Mac Studio with uboot-v2024.10. Signed-off-by: Janne Grunau <[email protected]>
AsahiLinux · Oct 28, 2024 · 4b6e0ff · 4b6e0ff
1 parent df8e201
commit 4b6e0ff
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/iommu/apple_dart.c b/drivers/iommu/apple_dart.c
@@ -314,5 +314,5 @@ U_BOOT_DRIVER(apple_dart) = {
 	.ops = &apple_dart_ops,
 	.probe = apple_dart_probe,
 	.remove = apple_dart_remove,
-	.flags	= DM_FLAG_OS_PREPARE
+	.flags	= DM_FLAG_OS_PREPARE | DM_FLAG_VITAL
 };