linux-kernel - Re: [PATCH] usb: typec: ucsi: acpi: Add Null check for adev

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Message-ID: <ea5c1a8a-cfbb-4334-91a9-1c2cc9e07ae8@kernel.org>
Date: Fri, 14 Mar 2025 08:29:24 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Chenyuan Yang <chenyuan0y@...il.com>, heikki.krogerus@...ux.intel.com,
 gregkh@...uxfoundation.org, lk@...e.de, dmitry.baryshkov@...aro.org,
 u.kleine-koenig@...libre.com, diogo.ivo@...nico.ulisboa.pt,
 saranya.gopal@...el.com
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: typec: ucsi: acpi: Add Null check for adev

On 13/03/2025 17:22, Chenyuan Yang wrote:
> Not all devices have an ACPI companion fwnode, so adev might be NULL.
> This is similar to the commit cd2fd6eab480
> ("platform/x86: int3472: Check for adev == NULL").

Read that commit carefully and provide steps how can we reproduce it -
bind this driver to different platform device or i2c device via sysfs?


Best regards,
Krzysztof