linux-kernel - Re: [PATCH 04/14] firmware_loader: add built-in firmware kconfig entry

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Date:   Tue, 19 Oct 2021 08:52:42 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     bp@...e.de, akpm@...ux-foundation.org, josh@...htriplett.org,
        rishabhb@...eaurora.org, kubakici@...pl, maco@...roid.com,
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        shuah@...nel.org, mfuzzey@...keon.com, zohar@...ux.vnet.ibm.com,
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        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 04/14] firmware_loader: add built-in firmware kconfig
 entry

On Tue, Oct 19, 2021 at 08:16:14AM +0200, Greg KH wrote:
> On Mon, Oct 18, 2021 at 02:00:25PM -0700, Luis Chamberlain wrote:
> > On Mon, Oct 11, 2021 at 03:30:24PM -0700, Luis Chamberlain wrote:
> > > On Mon, Oct 11, 2021 at 07:46:04PM +0200, Greg KH wrote:
> > > > >   o By default we now always skip built-in firmware even if a FW_LOADER=y
> > > > 
> > > > I do not understand, why would we ever want to skip built-in firmware?
> > > 
> > > Because it is done this way today only implicitly because
> > > EXTRA_FIRMWARE is empty. Using a kconfig entry makes this
> > > more obvious.
> > 
> > Greg,
> > 
> > The fact that it was not obvious to you we were effectively disabling
> > the built-in firmware functionality by default using side kconfig
> > symbols is a good reason to clarify this situation with its own kconfig
> > symbol.
> > 
> > And consider what I started below as well.
> > 
> > Please let me know why on the other hand we should *not* add this new
> > kconfig symbol?
> 
> Because added complexity for no real good reason?  You need to justify
> why we need yet-another firmware kconfig option here.  We should be
> working to remove them, not add more, if at all possible.

I did, it actually simplifies things more and makes the fact that we
disable the functionality of the built-in firmware by default clearer.

So no, this is not adding complexity.

 Luis