media: omap: omap-iommu.h: allow building drivers with COMPILE_TEST

Drivers that depend on omap-iommu.h (currently, just omap3isp)
need a stub implementation in order to be built with COMPILE_TEST.

Acked-by: Sakari Ailus <[email protected]>
Acked-by: Hans Verkuil <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Acked-by: Tony Lindgren <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

diff --git a/include/linux/omap-iommu.h b/include/linux/omap-iommu.h
index c1aede46718be28bbf36102b20c8de4200942a7a..ce1b7c6283eecdfd1d4d7943a34dd60dd70eb93f 100644 (file)
--- a/include/linux/omap-iommu.h
+++ b/include/linux/omap-iommu.h
@@ -13,7 +13,12 @@
 #ifndef _OMAP_IOMMU_H_
 #define _OMAP_IOMMU_H_
 
+#ifdef CONFIG_OMAP_IOMMU
 extern void omap_iommu_save_ctx(struct device *dev);
 extern void omap_iommu_restore_ctx(struct device *dev);
+#else
+static inline void omap_iommu_save_ctx(struct device *dev) {}
+static inline void omap_iommu_restore_ctx(struct device *dev) {}
+#endif
 
 #endif