From: xxm <xxm@rock-chips.com>
Date: Wed, 30 Jul 2014 09:28:33 +0000 (+0800)
Subject: rockchip:iommu:fix build error when iommu disabled
X-Git-Tag: firefly_0821_release~4948
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3bc178e8bcf63e55852cca0baf8fdd1a3b178217;p=firefly-linux-kernel-4.4.55.git

rockchip:iommu:fix build error when iommu disabled
---

diff --git a/include/linux/rockchip/iovmm.h b/include/linux/rockchip/iovmm.h
index 48e212d4dadc..d67454fb74da 100755
--- a/include/linux/rockchip/iovmm.h
+++ b/include/linux/rockchip/iovmm.h
@@ -68,7 +68,7 @@ struct device *rockchip_get_sysmmu_device_by_compatible(const char *compt);
 #define iovmm_unmap(dev, iova)		do { } while (0)
 #define iovmm_map_oto(dev, phys, size)	(-ENOSYS)
 #define iovmm_unmap_oto(dev, phys)	do { } while (0)
-#define rockchip_get_sysmmu_device_by_compatible(compt) do { } while (0)
+#define rockchip_get_sysmmu_device_by_compatible(compt) (NULL)
 
 #endif /* CONFIG_ROCKCHIP_IOVMM */