linux-kernel - Re: [PATCH] driver core: Don't try to create links if they are not needed

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Message-ID: <CAGETcx-cgst26+2bRScx7mmJtOmrHzEfg0eVxzqHfQDTewy_yA@mail.gmail.com>
Date: Wed, 23 Oct 2024 11:44:29 -0700
From: Saravana Kannan <saravanak@...gle.com>
To: Jon Hunter <jonathanh@...dia.com>
Cc: Nícolas F. R. A. Prado <nfraprado@...labora.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J . Wysocki" <rafael@...nel.org>, 
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH] driver core: Don't try to create links if they are not needed

Btw, Nicholas and Jon, can you give a Nack for the patches that are
removing the error logging?

-Saravana

On Wed, Oct 23, 2024 at 11:34 AM Saravana Kannan <saravanak@...gle.com> wrote:
>
> On Wed, Oct 23, 2024 at 7:09 AM Jon Hunter <jonathanh@...dia.com> wrote:
> >
> >
> > On 23/10/2024 14:58, Nícolas F. R. A. Prado wrote:
> >
> > ...
> >
> > > I'm guessing a similar change to what Saravana suggested for the
> > > of_dp_aux_populate_bus() helper is needed here:
> > >
> > > diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
> > > index cfdb54b6070a..0a2096085971 100644
> > > --- a/drivers/phy/tegra/xusb.c
> > > +++ b/drivers/phy/tegra/xusb.c
> > > @@ -543,7 +543,7 @@ static int tegra_xusb_port_init(struct tegra_xusb_port *port,
> > >
> > >          device_initialize(&port->dev);
> > >          port->dev.type = &tegra_xusb_port_type;
> > > -       port->dev.of_node = of_node_get(np);
> > > +       device_set_node(&port->dev, of_fwnode_handle(of_node_get(np)));
> > >          port->dev.parent = padctl->dev;
> > >
> > >          err = dev_set_name(&port->dev, "%s-%u", name, index);
> > >
> > >
> > > As a side note, I wonder if it would be possible to detect these mistakes... But
> > > I'm guessing there are legitimate situations where there's no fwnode.
> >
> >
> > Yes! That does indeed fix the issue.
> >
> > Saravana, let me know if you can send a patch? I would but I can't say I
> > understand that actual issue.
>
> Heh... didn't know you were hitting the exact same issue. I'll send
> out a patch. Okay to add your tested by too?
>
> -Saravana