Re: [PATCH v2] ARM: dts: imx6qdl-nitrogen6x: Add SPI NOR partitions

From: Gary Bisson
Date: Mon Nov 27 2017 - 05:17:53 EST


Hi Otavio,

On Sat, Nov 25, 2017 at 07:55:53AM -0200, Otavio Salvador wrote:
> On Fri, Nov 24, 2017 at 3:00 PM, Otavio Salvador
> <otavio@xxxxxxxxxxxxxxxx> wrote:
> > This adds the partitions definition for the SPI NOR to provide
> > backward compatibility with the documented[1] layout used with
> > Boundary Devices BSP.
> >
> > 1. https://boundarydevices.com/boot-flash-access-linux/
> >
> > It exports to Linux:
> >
> > mtd0: bootloader
> > mtd1: env
> > mtd2: splash
> >
> > Signed-off-by: Otavio Salvador <otavio@xxxxxxxxxxxxxxxx>
>
> After thinking a bit about Fabio's recommendation to use 'read-only'
> to protect the partitions, I think it'd be better to use 'lock' so it
> is still possible to write them on Linux but it requires a unlock
> prior changing it.
>
> In my case, I am interested in being capable of upgrading the
> bootloader from Linux.
>
> What people think?

Agreed, I would rather have the lock option, especially for the splash
and environment.

Regards,
Gary