linux-kernel - Re: [PATCH v1] platform/chrome: cros_usbpd_notify: defer probe when parent EC driver isn't ready

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Message-ID: <aN80BqZrhisWGY6p@google.com>
Date: Fri, 3 Oct 2025 02:25:10 +0000
From: Tzung-Bi Shih <tzungbi@...nel.org>
To: Jameson Thies <jthies@...gle.com>
Cc: akuchynski@...omium.org, bleung@...omium.org,
	abhishekpandit@...omium.org, chrome-platform@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] platform/chrome: cros_usbpd_notify: defer probe when
 parent EC driver isn't ready

On Thu, Oct 02, 2025 at 12:42:09PM -0700, Jameson Thies wrote:
> >
> > Does it make more sense to use fwnode_get_parent()?
> 
> I was initially planning to use fwnode_get_parent(), but calling that
> from cros_usbpd_notify.c would require an ABI update to build for
> android.

It doesn't change the ABI but extend the dependencies.

I think fwnode_get_parent() should be preferred to use from maintenance
aspect.