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Subject[PATCH 2/3] dmaengine: pxa_dma: add function declaration
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We get 1 warning when building kernel with W=1:
drivers/dma/pxa_dma.c:1525:5: warning: no previous prototype for 'pxad_toggle_reserved_channel' [-Wmissing-prototypes]

In fact, this function is undeclared in any header files.

So this patch adds function declaration in include/linux/dma/pxa-dma.h.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
---
include/linux/dma/pxa-dma.h | 1 ++++++
1 file changed, 1 insertions(+)

diff --git a/include/linux/dma/pxa-dma.h b/include/linux/dma/pxa-dma.h
index 3edc992..1823257 100644
--- a/include/linux/dma/pxa-dma.h
+++ b/include/linux/dma/pxa-dma.h
@@ -17,6 +17,7 @@ struct dma_chan;

#ifdef CONFIG_PXA_DMA
bool pxad_filter_fn(struct dma_chan *chan, void *param);
+int pxad_toggle_reserved_channel(int legacy_channel);
#else
static inline bool pxad_filter_fn(struct dma_chan *chan, void *param)
{
--
2.7.4
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