* [1/4] dma: add dma_flags_set_dmabarrier() to dma interface
@ 2007-09-28 1:10 akepner
2007-09-28 22:43 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: akepner @ 2007-09-28 1:10 UTC (permalink / raw)
To: Grant Grundler, Jesse Barnes, Jes Sorensen, Randy Dunlap,
RolandDreier, James Bottomley
Cc: linux-kernel
Introduce the dma_flags_set_dmabarrier() interface and give it
a default no-op implementation.
Signed-off-by: Arthur Kepner <akepner@sgi.com>
---
dma-mapping.h | 6 ++++++
1 files changed, 6 insertions(+)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 2dc21cb..4d1d199 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -99,4 +99,10 @@ static inline void dmam_release_declared_memory(struct device *dev)
}
#endif /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */
+#ifndef ARCH_CAN_REORDER_DMA
+static inline int dma_flags_set_dmabarrier(int dir) {
+ return dir;
+}
+#endif /* ARCH_CAN_REORDER_DMA */
+
#endif
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [1/4] dma: add dma_flags_set_dmabarrier() to dma interface
2007-09-28 1:10 [1/4] dma: add dma_flags_set_dmabarrier() to dma interface akepner
@ 2007-09-28 22:43 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2007-09-28 22:43 UTC (permalink / raw)
To: akepner
Cc: grundler, jbarnes, jes, randy.dunlap, rdreier, James.Bottomley,
linux-kernel
From: akepner@sgi.com
Date: Thu, 27 Sep 2007 18:10:59 -0700
> +#ifndef ARCH_CAN_REORDER_DMA
> +static inline int dma_flags_set_dmabarrier(int dir) {
> + return dir;
> +}
> +#endif /* ARCH_CAN_REORDER_DMA */
Coding style, that initial openning brace should be
on a line by itself.
^ permalink raw reply [flat|nested] 2+ messages in thread
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