Re: [PATCH v6 2/7] platform/chrome: cros_ec_typec: Purge blocking switch devlinks
From: Prashant Malani
Date: Fri Nov 25 2022 - 00:53:53 EST
Hi Andy,
Thanks for taking a look at this patch.
Pin-Yen beat me to the punch with comment responses, but I'll add mine anyway.
On Thu, Nov 24, 2022 at 4:25 AM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> ...
>
> > + /*
> > + * OF graph may have set up some device links with switches, since connectors have their
> > + * own compatible. Purge these to avoid a deadlock in switch probe (the switch mistakenly
> > + * assumes the connector is a supplier).
> > + */
>
> A bit too long lines...
They are within the 100 character limit [1] which is followed
elsewhere in the driver; has something
changed recently to make that invalid?
>
> > + if (dev->of_node)
>
> Why do you need this check?
This issue only arises when using DT for this device. So the rationale
is we don't need to
perform this step on systems that don't use DT.
Best regards,
-Prashant
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bdc48fa11e46f867ea4d75fa59ee87a7f48be144