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Date:   Tue, 28 Sep 2021 12:25:19 +0100
From:   Mark Brown <broonie@kernel.org>
To:     Charles Keepax <ckeepax@opensource.cirrus.com>
Cc:     Arnd Bergmann <arnd@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Simon Trimmer <simont@opensource.cirrus.com>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Russell King <linux@armlinux.org.uk>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
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Subject: Re: [PATCH 1/2] firmware: include drivers/firmware/Kconfig
 unconditionally
Message-ID: <20210928112519.GI4199@sirena.org.uk>
References: <20210928075216.4193128-1-arnd@kernel.org>
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On Tue, Sep 28, 2021 at 09:24:00AM +0000, Charles Keepax wrote:
> On Tue, Sep 28, 2021 at 10:51:36AM +0200, Arnd Bergmann wrote:

> > Other DSPs use the drivers/remoteproc/ subsystem, but that
> > is more for general-purpose DSPs that can load application
> > specific firmware rather than loading a single firmware blob
> > as you'd normally do with the request_firmware() style interface.

> > Not sure if that fits what you do. Can you point to a high-level
> > description of what this DSP does besides audio, and how
> > flexible it is? That might help find the right place for this.

> Hm... wasn't aware of that one, we should probably investigate that
> a little more at this end. From a quick look, seems a bit more like
> it is designed for much larger more general purpose probably memory
> mapped DSPs. I guess our code is a little more firmware parsing
> and loading, and a bit less generic remote proceedure call stuff.

Right, that was why I didn't suggest remoteproc - the DSPs wm_adsp
covers seem much smaller than fits comfortably with remoteproc.  You
probably could make it fit though.

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