linux-kernel - Re: [PATCH v6 06/29] fpga: add device feature list support

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Date:   Tue, 12 Jun 2018 08:27:09 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Wu Hao <hao.wu@...el.com>, atull@...nel.org, mdf@...nel.org,
        linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     linux-api@...r.kernel.org, luwei.kang@...el.com,
        yi.z.zhang@...el.com, Tim Whisonant <tim.whisonant@...el.com>,
        Enno Luebbers <enno.luebbers@...el.com>,
        Shiva Rao <shiva.rao@...el.com>,
        Christopher Rauer <christopher.rauer@...el.com>,
        Xiao Guangrong <guangrong.xiao@...ux.intel.com>
Subject: Re: [PATCH v6 06/29] fpga: add device feature list support

Hi,

On 06/12/2018 03:10 AM, Wu Hao wrote:

> 
> diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
> index ee9c542..4052532 100644
> --- a/drivers/fpga/Kconfig
> +++ b/drivers/fpga/Kconfig
> @@ -130,4 +130,20 @@ config OF_FPGA_REGION
>  	  Support for loading FPGA images by applying a Device Tree
>  	  overlay.
>  
> +config FPGA_DFL
> +	tristate "FPGA Device Feature List (DFL) support"
> +	select FPGA_BRIDGE
> +	select FPGA_REGION
> +	help
> +	  Device Feature List (DFL) defines a feature list structure that
> +	  creates a link list of feature headers within the MMIO space

	          a linked list

> +	  to provide an extensible way of adding features for FPGA.
> +	  Driver can walk through the feature headers to enumerate feature
> +	  devices (e.g FPGA Management Engine, Port and Accelerator

	          (e.g.

> +	  Function Unit) and their private features for target FPGA devices.
> +
> +	  Select this option to enable common support for Field-Programmable
> +	  Gate Array (FPGA) solutions which implement Device Feature List.
> +	  It provides enumeration APIs, and feature device infrastructure.

	                              ^no comma

> +
>  endif # FPGA


-- 
~Randy