1 files changed, 12 insertions, 0 deletions

diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c
index 1d2bf347a1d6..4dda42d3f6d5 100644
--- a/arch/avr32/mach-at32ap/at32ap7000.c
+++ b/arch/avr32/mach-at32ap/at32ap7000.c
@@ -9,6 +9,7 @@
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
 #include <linux/spi/spi.h>
 
 #include <asm/io.h>
@@ -45,19 +46,30 @@
                 .flags          = IORESOURCE_IRQ,       \
         }
 
+/* REVISIT these assume *every* device supports DMA, but several
+ * don't ... tc, smc, pio, rtc, watchdog, pwm, ps2, and more.
+ */
 #define DEFINE_DEV(_name, _id)                                  \
+static u64 _name##_id##_dma_mask = DMA_32BIT_MASK;              \
 static struct platform_device _name##_id##_device = {           \
         .name           = #_name,                               \
         .id             = _id,                                  \
+        .dev            = {                                     \
+                .dma_mask = &_name##_id##_dma_mask,             \
+                .coherent_dma_mask = DMA_32BIT_MASK,            \
+        },                                                      \
         .resource       = _name##_id##_resource,                \
         .num_resources  = ARRAY_SIZE(_name##_id##_resource),    \
 }
 #define DEFINE_DEV_DATA(_name, _id)                             \
+static u64 _name##_id##_dma_mask = DMA_32BIT_MASK;              \
 static struct platform_device _name##_id##_device = {           \
         .name           = #_name,                               \
         .id             = _id,                                  \
         .dev            = {                                     \
+                .dma_mask = &_name##_id##_dma_mask,             \
                 .platform_data  = &_name##_id##_data,           \
+                .coherent_dma_mask = DMA_32BIT_MASK,            \
         },                                                      \
         .resource       = _name##_id##_resource,                \
         .num_resources  = ARRAY_SIZE(_name##_id##_resource),    \