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SubjectRe: [PATCH v2 5/5] of/fdt: only store the device node basename in full_name
On Mon, Aug 21, 2017 at 10:16 AM, Rob Herring <robh@kernel.org> wrote:

Hi Rob,

> With dependencies on a statically allocated full path name converted to
> use %pOF format specifier, we can store just the basename of node, and
> the unflattening of the FDT can be simplified.
>
> This commit will affect the remaining users of full_name. After
> analyzing these users, the remaining cases should only change some print
> messages. The main users of full_name are providing a name for struct
> resource. The resource names shouldn't be important other than providing
> /proc/iomem names.
>
> We no longer distinguish between pre and post 0x10 dtb formats as either
> a full path or basename will work. However, less than 0x10 formats have
> been broken since the conversion to use libfdt (and no one has cared).
> The conversion of the unflattening code to be non-recursive also broke
> pre 0x10 formats as the populate_node function would return 0 in that
> case.
>
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> v2:
> - rebase to linux-next
>
> drivers/of/fdt.c | 69 +++++++++-----------------------------------------------
> 1 file changed, 11 insertions(+), 58 deletions(-)

I've just updated to the latest next branch and am finding problems
applying overlays. Reverting this commit alleviates things. The
errors I get are:

[ 88.498704] OF: overlay: Failed to apply prop @/__symbols__/clk_0
[ 88.513447] OF: overlay: apply failed '/__symbols__'
[ 88.518423] create_overlay: Failed to create overlay (err=-12)

My branch also includes Pantelis' patch that turns on symbols [1].

Alan

[1] https://github.com/pantoniou/linux-beagle-track-mainline/commit/486c87d450f2895a766c6097328d0c6538ec7a31

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