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authorDavid S. Miller <davem@davemloft.net>2016-10-30 12:42:58 -0400
committerDavid S. Miller <davem@davemloft.net>2016-10-30 12:42:58 -0400
commit27058af401e49d88a905df000dd26f443fcfa8ce (patch)
tree819f32113d3b8374b9fbf72e2202d4c4d4511a60 /arch/mips/include/asm/mach-generic/dma-coherence.h
parent357f4aae859b5d74554b0ccbb18556f1df4166c3 (diff)
parent2a26d99b251b8625d27aed14e97fc10707a3a81f (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Mostly simple overlapping changes. For example, David Ahern's adjacency list revamp in 'net-next' conflicted with an adjacency list traversal bug fix in 'net'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/mips/include/asm/mach-generic/dma-coherence.h')
-rw-r--r--arch/mips/include/asm/mach-generic/dma-coherence.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h
index 0f8a354fd468..61addb1677e9 100644
--- a/arch/mips/include/asm/mach-generic/dma-coherence.h
+++ b/arch/mips/include/asm/mach-generic/dma-coherence.h
@@ -49,7 +49,19 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
static inline int plat_device_is_coherent(struct device *dev)
{
- return coherentio;
+#ifdef CONFIG_DMA_PERDEV_COHERENT
+ return dev->archdata.dma_coherent;
+#else
+ switch (coherentio) {
+ default:
+ case IO_COHERENCE_DEFAULT:
+ return hw_coherentio;
+ case IO_COHERENCE_ENABLED:
+ return 1;
+ case IO_COHERENCE_DISABLED:
+ return 0;
+ }
+#endif
}
#ifndef plat_post_dma_flush