linux-kernel - Re: [PATCH v2] HID: i2c-hid: fix handling of unpopulated devices

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Date:   Fri, 06 Oct 2023 16:12:05 +0200
From:   Benjamin Tissoires <bentiss@...nel.org>
To:     Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Johan Hovold <johan+linaro@...nel.org>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Maxime Ripard <mripard@...nel.org>
Subject: Re: [PATCH v2] HID: i2c-hid: fix handling of unpopulated devices

On Mon, 02 Oct 2023 17:58:57 +0200, Johan Hovold wrote:
> A recent commit reordered probe so that the interrupt line is now
> requested before making sure that the device exists.
> 
> This breaks machines like the Lenovo ThinkPad X13s which rely on the
> HID driver to probe second-source devices and only register the variant
> that is actually populated. Specifically, the interrupt line may now
> already be (temporarily) claimed when doing asynchronous probing of the
> touchpad:
> 
> [...]

Applied to hid/hid.git (for-6.6/upstream-fixes), thanks!

[1/1] HID: i2c-hid: fix handling of unpopulated devices
      https://git.kernel.org/hid/hid/c/9af867c05b5d

Cheers,
-- 
Benjamin Tissoires <bentiss@...nel.org>