[PATCH] ARM: imx: drop devlinks to reset-controller node

Saravana Kannan saravanak at google.com
Tue Sep 21 08:38:37 PDT 2021


On Tue, Sep 21, 2021 at 8:19 AM Philipp Zabel <p.zabel at pengutronix.de> wrote:
>
> Hi Fabio,
>
> On Tue, 2021-09-21 at 10:19 -0300, Fabio Estevam wrote:
> > Hi Philipp,
> >
> > On Tue, Sep 21, 2021 at 9:51 AM Philipp Zabel <p.zabel at pengutronix.de> wrote:
> > > Starting with commit 6b2117ad65f1 ("of: property: fw_devlink: Add
> > > support for "resets" and "pwms""), the imx-drm driver fails to load
> > > due to forever dormant devlinks to the reset-controller node. This
> > > node is never associated with a struct device.
> > >
> > > Drop those links, the reset controller is always available.
> >
> > This deserves a Fixes tag, so that it can land in 5.15.
>
> Will do.
>
> > Tested on a imx6dl-pico-pi board and after applying your patch the
> > display controller is probed, thanks:
> >
> > Tested-by: Fabio Estevam <festevam at gmail.com>
> >
> > However, I get the following warning:
>
> Thank you. This does not happen on HDMI-only boards, but on Nitrogen6X
> with LVDS panel I see the same.

Let's hold off this patch for a day or two please. I want to take a
closer look to see if I have a more generic fix.

-Saravana



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