2007-09-28 01:12:15

by Arthur Kepner

Subject: [1/4] dma: add dma_flags_set_dmabarrier() to dma interface

Introduce the dma_flags_set_dmabarrier() interface and give it
a default no-op implementation.

Signed-off-by: Arthur Kepner <[email protected]>

---

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

2007-09-28 22:44:18

by David Miller

Subject: Re: [1/4] dma: add dma_flags_set_dmabarrier() to dma interface

From: [email protected]
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.