[PATCH 1/3] dma: imx-sdma: Add ssi dual fifo script support

Kumar Gala galak at codeaurora.org
Tue Oct 29 13:21:52 EDT 2013


On Oct 29, 2013, at 7:33 AM, Nicolin Chen wrote:

> There's a script for SSI missing in current sdma script list. Thus add it.
> This script would allow SSI use its dual fifo mode to transimit/receive
> data without occasional hardware underrun/overrun.
> 
> This patch also fixed a counting error for total number of scripts.
> 
> Signed-off-by: Nicolin Chen <b42378 at freescale.com>
> ---
> Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt | 1 +
> drivers/dma/imx-sdma.c                                 | 6 +++++-
> include/linux/platform_data/dma-imx-sdma.h             | 2 ++
> include/linux/platform_data/dma-imx.h                  | 1 +
> 4 files changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
> index 4fa814d..3b933c5 100644
> --- a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
> +++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
> @@ -42,6 +42,7 @@ The full ID of peripheral types can be found below.
> 	19	IPU Memory
> 	20	ASRC
> 	21	ESAI
> +	22	SSI Dual FIFO
> 
> The third cell specifies the transfer priority as below.

For the DT-Binding portion:

Acked-by: Kumar Gala <galak at codeaurora.org>

- k

-- 
Employee of Qualcomm Innovation Center, Inc.
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