Re: [PATCH V3 4/4] dma: add Qualcomm Technologies HIDMA channel driver

From: Rob Herring
Date: Mon Nov 09 2015 - 13:19:40 EST


On Sat, Nov 07, 2015 at 11:53:00PM -0500, Sinan Kaya wrote:
> This patch adds support for hidma engine. The driver
> consists of two logical blocks. The DMA engine interface
> and the low-level interface. The hardware only supports
> memcpy/memset and this driver only support memcpy
> interface. HW and driver doesn't support slave interface.
>
> Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/dma/qcom_hidma.txt | 18 +
> drivers/dma/qcom/Kconfig | 9 +
> drivers/dma/qcom/Makefile | 2 +
> drivers/dma/qcom/hidma.c | 743 ++++++++++++++++
> drivers/dma/qcom/hidma.h | 157 ++++
> drivers/dma/qcom/hidma_dbg.c | 225 +++++
> drivers/dma/qcom/hidma_ll.c | 944 +++++++++++++++++++++
> 7 files changed, 2098 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/dma/qcom_hidma.txt
> create mode 100644 drivers/dma/qcom/hidma.c
> create mode 100644 drivers/dma/qcom/hidma.h
> create mode 100644 drivers/dma/qcom/hidma_dbg.c
> create mode 100644 drivers/dma/qcom/hidma_ll.c
>
> diff --git a/Documentation/devicetree/bindings/dma/qcom_hidma.txt b/Documentation/devicetree/bindings/dma/qcom_hidma.txt
> new file mode 100644
> index 0000000..c9fb2d44
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/qcom_hidma.txt
> @@ -0,0 +1,18 @@
> +Qualcomm Technologies HIDMA Channel driver
> +
> +Required properties:
> +- compatible: must contain "qcom,hidma"

This should be "qcom,hidma-1.0" to match the example and driver. I
would drop "qcom,hidma" altogether.

Rob
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