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Message-ID: <aOTiENQQZc0X3Hv7@google.com>
Date: Tue, 7 Oct 2025 09:49:04 +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 v2] platform/chrome: cros_usbpd_notify: defer probe when
 parent EC driver isn't ready

On Tue, Oct 07, 2025 at 12:40:43AM +0000, Jameson Thies wrote:
> The cros-usbpd-notify-acpi probe currently does not exit when it fails
> to get a pointer to the ChromeOS EC device. It is expected behavior on
> older devices, where GOOG0004 is not a parent of GOOG0003.
> 
> Update the cros-usbpd-notify-acpi probe to check for a GOOG0004 parent
> fwnode. If the device has correct device hierarchy and fails to get an
> EC device pointer, defer the probe function.

I plan to queue the patch after rebasing to -rc1 if no objections and also
collect Benson's R-b tag from v1.

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