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-rw-r--r--drivers/nubus/bus.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nubus/bus.c b/drivers/nubus/bus.c
index a59b6c4bb5b8..ad3d17c42e23 100644
--- a/drivers/nubus/bus.c
+++ b/drivers/nubus/bus.c
@@ -5,6 +5,7 @@
// Copyright (C) 2017 Finn Thain
#include <linux/device.h>
+#include <linux/dma-mapping.h>
#include <linux/list.h>
#include <linux/nubus.h>
#include <linux/seq_file.h>
@@ -93,6 +94,8 @@ int nubus_device_register(struct nubus_board *board)
board->dev.release = nubus_device_release;
board->dev.bus = &nubus_bus_type;
dev_set_name(&board->dev, "slot.%X", board->slot);
+ board->dev.dma_mask = &board->dev.coherent_dma_mask;
+ dma_set_mask(&board->dev, DMA_BIT_MASK(32));
return device_register(&board->dev);
}