Re: [PATCH 1/2] firmware: include drivers/firmware/Kconfig unconditionally

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>,
	"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
	Helge Deller <deller@gmx.de>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	the arch/x86 maintainers <x86@kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Linus Walleij <linus.walleij@linaro.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-ia64@vger.kernel.org,
	"open list:BROADCOM NVRAM DRIVER" <linux-mips@vger.kernel.org>,
	Parisc List <linux-parisc@vger.kernel.org>,
	linux-riscv <linux-riscv@lists.infradead.org>
Subject: Re: [PATCH 1/2] firmware: include drivers/firmware/Kconfig unconditionally
Date: Tue, 28 Sep 2021 12:25:19 +0100	[thread overview]
Message-ID: <20210928112519.GI4199@sirena.org.uk> (raw)
In-Reply-To: <20210928092400.GH9223@ediswmail.ad.cirrus.com>

[-- Attachment #1.1: Type: text/plain, Size: 1106 bytes --]

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.

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

[-- Attachment #2: Type: text/plain, Size: 176 bytes --]

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel