linux-kernel - Re: [RFC] ARM: add bcm2711

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Date:   Tue, 07 Jan 2020 19:11:21 +0100
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     Stefan Wahren <wahrenst@....net>, f.fainelli@...il.com
Cc:     mbrugger@...e.com, Russell King <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org, hch@....de,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC] ARM: add bcm2711_defconfig

On Tue, 2020-01-07 at 19:06 +0100, Stefan Wahren wrote:
> Hi Nicolas,
> 
> Am 07.01.20 um 18:24 schrieb Nicolas Saenz Julienne:
> > The Raspberry Pi 4 depends on LPAE in order to use its PCIe port, which
> > is essential, as it ultimately provides USB2/3 connectivity. As this
> > setup doesn't fit any generic purpose configuration this adds
> > bcm2711_defconfig which is based on the current Raspberry Pi foundation
> > config file[1] with as little changes as possible
> 
> i really dislike the Foundation config file, because it contains so many
> unnecessary features. Bisecting with such a kernel config is horrible.
> 
> How about finding a compromise between bcm2835_defconfig and
> multi_v7_defconfig + LPAE?

If there is a consensus this is the right approach (creating a new config
file), I'll be happy to try that out.

Now that I think of it, maybe we shouldn't add bcm2711_thermal into
multi_v7_defconfig.

Regards,
Nicolas


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