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-rw-r--r--arch/tile/include/asm/device.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/tile/include/asm/device.h b/arch/tile/include/asm/device.h
index 5182705..6ab8bf1 100644
--- a/arch/tile/include/asm/device.h
+++ b/arch/tile/include/asm/device.h
@@ -23,7 +23,10 @@ struct dev_archdata {
/* Offset of the DMA address from the PA. */
dma_addr_t dma_offset;
- /* Highest DMA address that can be generated by this device. */
+ /*
+ * Highest DMA address that can be generated by devices that
+ * have limited DMA capability, i.e. non 64-bit capable.
+ */
dma_addr_t max_direct_dma_addr;
};
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