Re: [PATCH] ARM: dts: vexpress-v2p-ca9: adapt fixed NOR flash partition setup

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On Mon, May 11, 2020 at 08:59:52AM +0200, Sascha Hauer wrote:
> On Wed, Apr 29, 2020 at 05:35:59PM +0200, Roland Hieber wrote:
> > Upstream DTS commit 62a5017bf825c9e4d317 ("ARM: dts: vexpress: specify
> > AFS partition") [1] introduced an empty node at /smb@4000000
> > /motherboard/flash@0,00000000/partitions, which is preferred by the OF
> > partitions parser over the single partition nodes. In the same commit,
> > upstream set the compatible to "arm,arm-firmware-suite", which barebox
> > does not know about. Adapt our fixed partition setup accordingly by
> > wrapping all partitions in an extra "partitions" node with the correct
> > compatible.
> 
> I wonder what happens when we run this code on a flash that uses the
> arm-firmware-suite partitioning. We may end up with inconsistent
> partitioning then.
> In the end the barebox vexpress code only ever runs on qemu and not on
> the real hardware, so this is not relevant.
> Either way the patch seems like a good start, so applied.

Yes, valid concern. What about creating a separate device tree for the
qemu variant? This way we wouldn't run into that problem on the physical
hardware.

 - Roland

-- 
Roland Hieber, Pengutronix e.K.          | r.hieber@xxxxxxxxxxxxxx     |
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