linux-kernel - Re: [RFC PATCH v2 0/2] fw

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Message-ID: <CAMuHMdVL4xUMARcze=ZyZA=Hi3=nvfZ34juSKG7cgA5ygxASaw@mail.gmail.com>
Date: Tue, 9 Apr 2024 17:10:03 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Saravana Kannan <saravanak@...gle.com>
Cc: Herve Codina <herve.codina@...tlin.com>, Rob Herring <robh@...nel.org>, kernel-team@...roid.com, 
	linux-kernel@...r.kernel.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-spi@...r.kernel.org, 
	linux-acpi@...r.kernel.org
Subject: Re: [RFC PATCH v2 0/2] fw_devlink overlay fix

Hi Saravana,

On Tue, Apr 9, 2024 at 7:37 AM Saravana Kannan <saravanak@...gle.com> wrote:
> Don't bother reviewing this patch. It needs to be tested and possibly
> refactored first.
>
> Geert and Herve,
>
> This patch serious should hopefully fix both of your use cases
> [1][2][3]. Can you please check to make sure the device links created
> to/from the overlay devices are to/from the right ones?

Thanks for your series!

After applying the first patch (the revert), the issue reported in
[1] is back, as expected.
After applying both patches, applying[A]/unapplying[B]/reapplying[C]
overlay [4] works as without this series, so
Tested-by: Geert Uytterhoeven <geert+renesas@...der.be>

Note that the state of /sys/class/devlink/ after [C] is still not the
same as after [A], as reported before in [5]:
  - platform:e6060000.pinctrl--platform:keys link is not recreated in [B],
  - nothing changes in /sys/class/devlink in [C].
But that issue is not introduced in this series.

> [1] - https://lore.kernel.org/lkml/CAMuHMdXEnSD4rRJ-o90x4OprUacN_rJgyo8x6=9F9rZ+-KzjOg@mail.gmail.com/

[4] "arm64: dts: renesas: ebisu: cn41: Add overlay for MSIOF0 and 25LC040"
    https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git/commit/?h=topic/renesas-overlays&id=222a4936b0d3dabd43bdffb3a578423bff97b02d
[5] https://lore.kernel.org/lkml/CAMuHMdXNoYH8PJE1xb4PK-vzjXtOzrxNJoZhsHT-H4Ucm=7_ig@mail.gmail.com/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68korg

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds