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From: Adam Ford <aford173@gmail.com>
To: "André Hentschel" <nerv@dawncrow.de>
Cc: "Tony Lindgren" <tony@atomide.com>,
	"Mark Rutland" <mark.rutland@arm.com>,
	devicetree <devicetree@vger.kernel.org>,
	"Russell King" <linux@arm.linux.org.uk>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Benoît Cousson" <bcousson@baylibre.com>,
	Linux-OMAP <linux-omap@vger.kernel.org>,
	arm-soc <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] ARM: dts: Add omap3-echo
Date: Wed, 25 Dec 2019 06:53:18 -0600	[thread overview]
Message-ID: <CAHCN7xKMnfo5reY+VSs_iCv_NXs-E12dFcRXonz6cNe1-huSPQ@mail.gmail.com> (raw)
In-Reply-To: <a8f64408-f581-e57d-0f5d-db42ff0a4288@dawncrow.de>

On Wed, Dec 25, 2019 at 6:05 AM André Hentschel <nerv@dawncrow.de> wrote:
>
> Am 24.12.19 um 19:45 schrieb Tony Lindgren:
> > * André Hentschel <nerv@dawncrow.de> [191224 16:11]:
> >> This is the first generation Amazon Echo from 2016.
> >> Audio support is not yet implemented.
> >
> > OK looks good to me, just worried about one part:
> >
> >> +&sgx_module {
> >> +    status = "disabled";
> >> +};
> >
> > We should have a separate am3703.dtsi or whatever the SoC model
> > disabling sgx if not there on the SoC. That way board specific
> > dts files can just include it without having to debug this issue
> > over and over.
>
> Thanks for the quick review in that time of the year!
> The sgx issue came up in newer kernels and I had to bisect it to 3b72fc895a2e57f70276b46f386f35d752adf555
> The device just wasn't booting without a message, so yes, we should make it easier for others to figure it out.
> SoC is DM3725 and only DM3730 has sgx support. And it's hard to say if the base is am37xx or omap36xx.
> But I see the reasons you picked am3703, so I would move everything from omap36xx.dtsi to am3703.dtsi except sgx?

> And then include am3703.dtsi in omap36xx.dtsi before sgx support?

I can see value in having a 3703 base and including that in the 36xx
with SGX and DSP nodes, but why not jus make SGX disabled by default.
Those who want/need it can enable it on a per-board basis.
> Or would it be better to have sgx support in a separate dtsi?

I am not sure how much DSP stuff is in there, but the DM3730 is the
AM3703 + DSP and 3D.

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

  reply	other threads:[~2019-12-25 12:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-24 16:10 [PATCH] ARM: dts: Add omap3-echo André Hentschel
2019-12-24 18:45 ` Tony Lindgren
2019-12-25 12:05   ` André Hentschel
2019-12-25 12:53     ` Adam Ford [this message]
2019-12-25 17:01   ` H. Nikolaus Schaller
2019-12-27 14:28     ` André Hentschel
2019-12-30 17:29       ` Tony Lindgren
2019-12-30 20:22         ` André Hentschel
2019-12-31  8:14         ` H. Nikolaus Schaller
2020-01-02 19:51           ` Tony Lindgren

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