Re: [PATCH v2 1/3] of: overlay: add overlay unittest data for node names and symbols

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On Mon, Jul 10, 2017 at 2:05 PM,  <frowand.list@xxxxxxxxx> wrote:
> From: Frank Rowand <frank.rowand@xxxxxxxx>
>
> Add nodes and properties to overlay_base and overlay dts files to
> test for
>    - incorrect existing node name detection when overlay node name
>      has a unit-address
>    - adding overlay __symbols__ properties to live tree when an
>      overlay is added to the live tree
>
> Expected result from patch 2/3 is overlay will update the nodes and
> properties for /testcase-data-2/fairway-1/ride@100/
>
> Before patch 2/3 is applied:

This is good information, but what is patch 2/3 is less clear when
this is committed. And 1 and 2 are probably stable material? I'd just
note in this patch what the failures are and show before and after
results in the patch that changes them.

>    Console error message near end of unittest:
>       OF: Duplicate name in fairway-1, renamed to "ride@100#1"
>
>    $ cd /proc/device-tree/testcase-data-2/fairway-1/
>    $ # extra node: ride@100#1
>    $ ls
>    #address-cells  linux,phandle   phandle         ride@200
>    #size-cells     name            ride@100        status
>    compatible      orientation     ride@100#1
>    $ cd /proc/device-tree/testcase-data-2/fairway-1/ride@100/
>    $ ls track@3/incline_up
>    ls: track@3/incline_up: No such file or directory
>    $ ls track@4/incline_up
>    ls: track@4/incline_up: No such file or directory

[...]

> diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile
> index 6e00a9c69e58..dae2fe23cd2e 100644
> --- a/drivers/of/unittest-data/Makefile
> +++ b/drivers/of/unittest-data/Makefile
> @@ -1,11 +1,13 @@
>  obj-y += testcases.dtb.o
>  obj-y += overlay.dtb.o
>  obj-y += overlay_bad_phandle.dtb.o
> +obj-y += overlay_bad_symbol.dtb.o
>  obj-y += overlay_base.dtb.o

There's no reason for these all to be 1 per line. Also, should the
overlay dtb's be conditioned on CONFIG_OF_OVERLAY (or whatever we call
it)?

But this is fine. That can all be a followup patch.
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