linux-kernel - Re: [PATCH v2 0/4] Modularization of DFL private feature drivers

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Date:   Thu, 23 Jul 2020 20:03:52 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Xu Yilun <yilun.xu@...el.com>, mdf@...nel.org,
        linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     trix@...hat.com, lgoncalv@...hat.com
Subject: Re: [PATCH v2 0/4] Modularization of DFL private feature drivers

On 7/23/20 7:09 PM, Xu Yilun wrote:
> This patchset makes it possible to develop independent driver modules
> for DFL private features. It also helps to leverage existing kernel
> drivers to enable some IP blocks in DFL.
> 
> Patch #1: An improvement of feature id definition. The feature id will be used
> 	  as the key field for dfl device/driver matching.
> Patch #2: Release the dfl mmio regions after enumeration, so that private
> 	  feature drivers could request mmio region in their own drivers.
> Patch #3: Introduce the dfl bus, then dfl devices could be supported by
> 	  independent dfl drivers.
> Patch #4: An example of the dfl driver for N3000 nios private feature.
> 

Hi,
What is "nios"?  Is that explained or described anywhere?

> 
> Main changes from v1:
> - Add the new Patch #1, to improve the feature id definition.
> - Change the dfl bus uevent format.
> - Change the dfl device's sysfs name format.
> - refactor dfl_dev_add()
> - Add the Patch #4 as an example of the dfl driver.
> - A lot of minor fixes for comments from Hao and Tom.

thanks.
-- 
~Randy