From: CMY <cmy@rock-chips.com>
Date: Mon, 28 Jul 2014 08:28:33 +0000 (+0800)
Subject: rk: ion: iommu: fix build error
X-Git-Tag: firefly_0821_release~4916^2~141
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ff0660a172a82842fd155b3bbb6ea1638516afa0;p=firefly-linux-kernel-4.4.55.git

rk: ion: iommu: fix build error
---

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 556a3e80cdc6..41a537eeea8a 100755
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -928,6 +928,16 @@ static int ion_debug_client_show_buffer_map(struct seq_file *s, struct ion_buffe
 
 	return 0;
 }
+#else
+int ion_map_iommu(struct device *iommu_dev, struct ion_client *client,
+                struct ion_handle *handle, unsigned long *iova, unsigned long *size)
+{
+	return 0;
+}
+void ion_unmap_iommu(struct device *iommu_dev, struct ion_client *client,
+                        struct ion_handle *handle)
+{
+}
 #endif
 
 static int ion_debug_client_show_buffer(struct seq_file *s, void *unused)