2 files changed, 7 insertions, 0 deletions

diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 3641a294ed54..e4abe9b8f97a 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -9,6 +9,7 @@
 #include <linux/irq.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
 #include <asm/leon.h>
 #include <asm/leon_amba.h>
 
@@ -381,6 +382,9 @@ static struct platform_device * __init scan_one_device(struct device_node *dp,
         else
                 dev_set_name(&op->dev, "%08x", dp->phandle);
 
+        op->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+        op->dev.dma_mask = &op->dev.coherent_dma_mask;
+
         if (of_device_register(op)) {
                 printk("%s: Could not register of device.\n",
                        dp->full_name);
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 44e4d4435bed..6df6086968c6 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -2,6 +2,7 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
+#include <linux/dma-mapping.h>
 #include <linux/init.h>
 #include <linux/export.h>
 #include <linux/mod_devicetable.h>
@@ -675,6 +676,8 @@ static struct platform_device * __init scan_one_device(struct device_node *dp,
                 dev_set_name(&op->dev, "root");
         else
                 dev_set_name(&op->dev, "%08x", dp->phandle);
+        op->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+        op->dev.dma_mask = &op->dev.coherent_dma_mask;
 
         if (of_device_register(op)) {
                 printk("%s: Could not register of device.\n",