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-rw-r--r--arch/powerpc/include/asm/machdep.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 47cacdd..b540d6f 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -12,6 +12,7 @@
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
+#include <linux/export.h>
#include <asm/setup.h>
@@ -85,8 +86,9 @@ struct machdep_calls {
void (*pci_dma_dev_setup)(struct pci_dev *dev);
void (*pci_dma_bus_setup)(struct pci_bus *bus);
- /* Platform set_dma_mask override */
+ /* Platform set_dma_mask and dma_get_required_mask overrides */
int (*dma_set_mask)(struct device *dev, u64 dma_mask);
+ u64 (*dma_get_required_mask)(struct device *dev);
int (*probe)(void);
void (*setup_arch)(void); /* Optional, may be NULL */