On 9/24/19 12:31 AM, Mehta, Sanju wrote:
> From: Sanjay R Mehta <sanju.mehta@amd.com>
> 
> This is the driver for the AMD passthrough DMA Engine
> 
> Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
> Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
> Reviewed-by: Rajesh Kumar <Rajesh1.Kumar@amd.com>
> ---

> diff --git a/drivers/dma/ptdma/Kconfig b/drivers/dma/ptdma/Kconfig
> new file mode 100644
> index 0000000..a373431
> --- /dev/null
> +++ b/drivers/dma/ptdma/Kconfig
> @@ -0,0 +1,7 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +config AMD_PTDMA
> +	tristate  "AMD Passthru DMA Engine"
> +	default m

Can you justify "default m"?  Most likely it should not be here.


> +	depends on X86_64 && PCI
> +	help
> +	  Provides the support for AMD Passthru DMA engine.


-- 
~Randy