iommu: add missing include

Fix a warning in of_iommu.c:

drivers/iommu/of_iommu.c:38:5: warning: no previous prototype for 'of_get_dma_window' [-Wmissing-prototypes]

Signed-off-by: Brian Norris <[email protected]>
Cc: Hiroshi DOYU <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>

diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index ee249bc959f84bb2bc50eb652ea1b34d449db77a..e550ccb7634e91d312cd9377ff499499d37e38ed 100644 (file)
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -20,6 +20,7 @@
 #include <linux/export.h>
 #include <linux/limits.h>
 #include <linux/of.h>
+#include <linux/of_iommu.h>
 
 /**
  * of_get_dma_window - Parse *dma-window property and returns 0 if found.