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Message-ID: <cd1a0145d12a70e89eea7aca49533c56ed24753f.camel@suse.de>
Subject: Re: [PATCH v3 0/5] Expose RPi4's bootloader configuration
From:   Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To:     srinivas.kandagatla@linaro.org, linux-kernel@vger.kernel.org
Cc:     devicetree@vger.kernel.org, tim.gover@raspberrypi.com,
        catalin.marinas@arm.com, linux@armlinux.org.uk, robh+dt@kernel.org,
        bcm-kernel-feedback-list@broadcom.com,
        linux-arm-kernel@lists.infradead.org, will@kernel.org,
        phil@raspberrypi.com, linux-rpi-kernel@lists.infradead.org
Date:   Mon, 25 Jan 2021 22:04:34 +0100
In-Reply-To: <20210112142342.7290-1-nsaenzjulienne@suse.de>
References: <20210112142342.7290-1-nsaenzjulienne@suse.de>
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On Tue, 2021-01-12 at 15:23 +0100, Nicolas Saenz Julienne wrote:
> Soon to be released versions of RPi4's firmware will take of care
> passing their bootloader's configuration[1] to the OS by copying it into
> memory and creating a reserved memory node in the board's DT. By
> modeling this reserved memory node as an nvmem device using
> 'nvmem-rmem', which this series introduces, user-space applications will
> be able to query this information through nvmem's sysfs interface.
>=20
> An alternative approach, less nice IMO, would be to create a
> platform-specific 'soc' driver.
>=20
> Regards,
> Nicolas
>=20
> [1] https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm271=
1_bootloader_config.md
>=20

Applied patches #3 to #5 for next.

Regards,
Nicolas


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