The DMA chip has a fixed number of requestor lines used for flow
control. This number is platform dependent. The pxa_dma dma driver will
use this value to activate or not the flow control.
There won't be any impact on mmp_pdma driver.
Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
---
include/linux/platform_data/mmp_dma.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/platform_data/mmp_dma.h b/include/linux/platform_data/mmp_dma.h
index 2a330ec9e2af..d1397c8ed94e 100644
--- a/include/linux/platform_data/mmp_dma.h
+++ b/include/linux/platform_data/mmp_dma.h
@@ -14,6 +14,7 @@
struct mmp_dma_platdata {
int dma_channels;
+ int nb_requestors;
};
#endif /* MMP_DMA_H */
--
2.1.4
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