Re: [PATCH v2 1/2] of: implement new of_device_ensure_probed_by_alias_stem

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Hi Sascha,

On 29. 03. 22 10:56, Sascha Hauer wrote:
Hi Andrej,

On Tue, Mar 29, 2022 at 09:33:32AM +0200, Andrej Picej wrote:
Function first goes through all the aliases which have the given stem.
It then ensures that all the devices hiding under these aliases are
probed.

User can specify one device_node which won't get probed. This is mainly
for avoiding recursion if the function will be called from device probe
function, or to specify the device which should get probed last. In the
later case the user should probe the last device manually.

Signed-off-by: Andrej Picej <andrej.picej@xxxxxxxxx>
---
Changes in v2:
  - add check for deep probe support,
  - users can now specify one device node, which won't get probed. This
    ensures that one device can be probed last and we avoid recursion, if
this device happens to have alias,
  - fix function name (ensured -> ensure).

Your v2 came before I had a chance to react to your comments on v1, I
was on vacation last week. I looked at the issue from another
perspective and rather than ensuring a certain probe order I think we
should decouple the GPIO numbers (at least the ones from the SoC
internal controllers) from the probe order, see the patch I just sent.

Sorry didn't mean to push you. Just figured out that it would be easier to talk about this topic when we have v2 version :).

OK, the patch looks good. As you said, solution from different perspective. Will test it out and get back to you with results.

Thanks for your help/work.

Andrej

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