MIPS: Support per-device DMA coherence

[linux.git] / arch / mips / include / asm / device.h

diff --git a/arch/mips/include/asm/device.h b/arch/mips/include/asm/device.h
index c94fafba9e62fe238c5554e6910fb08820e83ed3..21c2082a0dfbb3b1dec84125f9216d54accd4edf 100644 (file)
--- a/arch/mips/include/asm/device.h
+++ b/arch/mips/include/asm/device.h
@@ -11,6 +11,11 @@ struct dma_map_ops;
 struct dev_archdata {
        /* DMA operations on that device */
        struct dma_map_ops *dma_ops;
+
+#ifdef CONFIG_DMA_PERDEV_COHERENT
+       /* Non-zero if DMA is coherent with CPU caches */
+       bool dma_coherent;
+#endif
 };
 
 struct pdev_archdata {