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Date: Mon, 27 Nov 2017 11:17:39 +0100 From: Gary Bisson <gary.bisson@...ndarydevices.com> To: Otavio Salvador <otavio.salvador@...ystems.com.br> Cc: Otavio Salvador <otavio@...ystems.com.br>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, Fabio Estevam <fabio.estevam@....com>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, Sascha Hauer <kernel@...gutronix.de>, Kernel development list <linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Russell King <linux@...linux.org.uk>, Shawn Guo <shawnguo@...nel.org> Subject: Re: [PATCH v2] ARM: dts: imx6qdl-nitrogen6x: Add SPI NOR partitions 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@...ystems.com.br> 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@...ystems.com.br> > > 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
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