linux-kernel - Re: [PATCH v3 0/5] Expose RPi4's bootloader configuration

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Date:   Mon, 25 Jan 2021 22:04:34 +0100
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     srinivas.kandagatla@...aro.org, linux-kernel@...r.kernel.org
Cc:     devicetree@...r.kernel.org, tim.gover@...pberrypi.com,
        catalin.marinas@....com, linux@...linux.org.uk, robh+dt@...nel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, will@...nel.org,
        phil@...pberrypi.com, linux-rpi-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/5] Expose RPi4's bootloader configuration

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.
> 
> An alternative approach, less nice IMO, would be to create a
> platform-specific 'soc' driver.
> 
> Regards,
> Nicolas
> 
> [1] https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloader_config.md
> 

Applied patches #3 to #5 for next.

Regards,
Nicolas


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