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Re: [PATCH v5 0/4] of: remove *phandle properties from expanded device tree

From Benjamin Herrenschmidt <benh@kernel.crashing.org>
Newsgroups linux.kernel
Subject Re: [PATCH v5 0/4] of: remove *phandle properties from expanded device tree
Date 2017-06-16 02:10 +0200
Message-ID <tSMZQ-YC-7@gated-at.bofh.it> (permalink)
References <tQHrz-34D-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, 2017-06-09 at 22:47 -0700, frowand.list@gmail.com wrote:
> From: Frank Rowand <frank.rowand@sony.com>
> 
> Remove "phandle" and "linux,phandle" properties from the internal
> device tree.  The phandle will still be in the struct device_node
> phandle field.
> 
> This is to resolve the issue found by Stephen Boyd [1] when he changed
> the type of struct property.value from void * to const void *.  As
> a result of the type change, the overlay code had compile errors
> where the resolver updates phandle values.

Piggy back on the powerpc breakage thread...

So various things in userspace will consume these. The main one is
kexec which needs them to rebuild a fdt. So if you're going to do that
you need to modify the sysfs code to expose a phandle attribute from
the device node ->phandle.

Cheers,
Ben.

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Thread

[PATCH v5 0/4] of: remove *phandle properties from expanded device tree frowand.list@gmail.com - 2017-06-10 07:50 +0200
  [PATCH v5 3/4] of: be consistent in form of file mode frowand.list@gmail.com - 2017-06-10 07:50 +0200
  [PATCH v5 1/4] of: remove *phandle properties from expanded device tree frowand.list@gmail.com - 2017-06-10 07:50 +0200
    Re: [PATCH v5 1/4] of: remove *phandle properties from expanded device tree Michael Ellerman <mpe@ellerman.id.au> - 2017-06-15 09:00 +0200
  [PATCH v5 4/4] of: detect invalid phandle in overlay frowand.list@gmail.com - 2017-06-10 07:50 +0200
  [PATCH v5 2/4] of: make __of_attach_node() static frowand.list@gmail.com - 2017-06-10 07:50 +0200
  Re: [PATCH v5 0/4] of: remove *phandle properties from expanded  device tree Rob Herring <robh+dt@kernel.org> - 2017-06-14 00:10 +0200
  Re: [PATCH v5 0/4] of: remove *phandle properties from expanded  device tree Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2017-06-16 02:10 +0200
    Re: [PATCH v5 0/4] of: remove *phandle properties from expanded  device tree Frank Rowand <frowand.list@gmail.com> - 2017-06-16 03:40 +0200

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