linux-kernel - Re: [RFC PATCH v4 2/8] bus/cdx: add the cdx bus driver

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Date:   Fri, 14 Oct 2022 09:15:20 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Nipun Gupta <nipun.gupta@....com>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        rafael@...nel.org, eric.auger@...hat.com,
        alex.williamson@...hat.com, cohuck@...hat.com,
        puneet.gupta@....com, song.bao.hua@...ilicon.com,
        mchehab+huawei@...nel.org, maz@...nel.org, f.fainelli@...il.com,
        jeffrey.l.hugo@...il.com, saravanak@...gle.com,
        Michael.Srba@...nam.cz, mani@...nel.org, yishaih@...dia.com,
        jgg@...pe.ca, jgg@...dia.com, robin.murphy@....com,
        will@...nel.org, joro@...tes.org, masahiroy@...nel.org,
        ndesaulniers@...gle.com, linux-arm-kernel@...ts.infradead.org,
        linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, kvm@...r.kernel.org, okaya@...nel.org,
        harpreet.anand@....com, nikhil.agarwal@....com,
        michal.simek@....com, aleksandar.radovanovic@....com, git@....com
Subject: Re: [RFC PATCH v4 2/8] bus/cdx: add the cdx bus driver

On Fri, Oct 14, 2022 at 10:10:43AM +0530, Nipun Gupta wrote:
> CDX bus supports the scanning and probing of FPGA based
> devices. These devices are registered as CDX devices.
> 
> The bus driver sets up the basic infrastructure and triggers
> the cdx controller to scan the cdx devices once registered.
> 
> CDX bus uses ops registered by the CDX controller to scan,
> reset and write MSI message on the CDX devices.
> 
> Signed-off-by: Nipun Gupta <nipun.gupta@....com>

Why is this all still "RFC"?  RFC means to me, "I don't know what to do
here, so here's a half-baked proposal".  When you are on v4 of a RFC,
that is a huge sign that this all isn't working at all.  Also, where is
the questions that you still have that you need help with here?

Also, I don't review RFC changes normally as that means the submitter
doesn't think they are good enough to be submitted, so why would I
review them when I have hundreds of other changes that submitters do
think are good enough?

Can you just submit these "for real" if they work properly for you and
you have tested them and you would be happy if they are accepted.

thanks,

greg k-h