Re: [PATCH 5/5] misc: zynqmp: Add afi config driver

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On Tue, Apr 20, 2021 at 01:41:53PM +0530, Nava kishore Manne wrote:
> This patch adds zynqmp afi config driver.This is useful for
> the configuration of the PS-PL interface on Zynq US+ MPSoC
> platform.

Again, please spell out what those terms mean, as I have no idea :(

> 
> Signed-off-by: Nava kishore Manne <nava.manne@xxxxxxxxxx>
> ---
>  drivers/misc/Kconfig      | 11 ++++++
>  drivers/misc/Makefile     |  1 +
>  drivers/misc/zynqmp-afi.c | 83 +++++++++++++++++++++++++++++++++++++++
>  3 files changed, 95 insertions(+)
>  create mode 100644 drivers/misc/zynqmp-afi.c
> 
> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> index 877b43b3377d..d1ea1eeb3ac1 100644
> --- a/drivers/misc/Kconfig
> +++ b/drivers/misc/Kconfig
> @@ -456,6 +456,17 @@ config ZYNQ_AFI
>  	  between PS and PL, the AXI port data path should be configured
>  	  with the proper Bus-width values
>  
> +config ZYNQMP_AFI
> +        tristate "Xilinx ZYNQMP AFI support"
> +        help
> +	  ZynqMP AFI driver support for writing to the AFI registers for
> +	  configuring PS_PL Bus-width. Xilinx Zynq US+ MPSoC connect the
> +	  PS to the programmable logic (PL) through the AXI port. This AXI
> +	  port helps to establish the data path between the PS and PL.
> +	  In-order to establish the proper communication path between
> +	  PS and PL, the AXI port data path should be configured with
> +	  the proper Bus-width values

Please use tabs properly, you mix them above, checkpatch should have
caught that.

thanks,

greg k-h



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