1 files changed, 14 insertions, 8 deletions

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 28581f1ad2c..73110fb6bb6 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -125,17 +125,23 @@ static void ibmebus_unmap_sg(struct device *dev,
 
 static int ibmebus_dma_supported(struct device *dev, u64 mask)
 {
-        return 1;
+        return mask == DMA_BIT_MASK(64);
+}
+
+static u64 ibmebus_dma_get_required_mask(struct device *dev)
+{
+        return DMA_BIT_MASK(64);
 }
 
 static struct dma_map_ops ibmebus_dma_ops = {
-        .alloc_coherent = ibmebus_alloc_coherent,
-        .free_coherent  = ibmebus_free_coherent,
-        .map_sg         = ibmebus_map_sg,
-        .unmap_sg       = ibmebus_unmap_sg,
-        .dma_supported  = ibmebus_dma_supported,
-        .map_page       = ibmebus_map_page,
-        .unmap_page     = ibmebus_unmap_page,
+        .alloc_coherent     = ibmebus_alloc_coherent,
+        .free_coherent      = ibmebus_free_coherent,
+        .map_sg             = ibmebus_map_sg,
+        .unmap_sg           = ibmebus_unmap_sg,
+        .dma_supported      = ibmebus_dma_supported,
+        .get_required_mask  = ibmebus_dma_get_required_mask,
+        .map_page           = ibmebus_map_page,
+        .unmap_page         = ibmebus_unmap_page,
 };
 
 static int ibmebus_match_path(struct device *dev, void *data)