linux-kernel - Re: [PATCH] HID: core: allow concurrent registration of drivers

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Date:   Mon, 25 Jun 2018 15:30:12 +0200 (CEST)
From:   Jiri Kosina <jikos@...nel.org>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
cc:     Mario.Limonciello@...l.com, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: core: allow concurrent registration of drivers

On Thu, 31 May 2018, Benjamin Tissoires wrote:

> Detected on the Dell XPS 9365.
> The laptop has 2 devices that benefit from the hid-generic auto-unbinding.
> When those 2 devices are presented to the userspace, udev loads both
> wacom and hid-multitouch. When this happens, the code in
> __hid_bus_reprobe_drivers() is called concurrently and the second device
> gets reprobed twice.
> An other bug in the power_supply subsystem prevent to remove the wacom
> driver if it just finished its initialization, which basically kills
> the wacom node.
> 
> Fixes c17a7476e4c4 ("HID: core: rewrite the hid-generic automatic unbind")
> 
> Cc: stable@...r.kernel.org # v4.17
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

Now staged in for-4.18/upstream-fixes_v2, with the plan to send it to 
Linus this week.

Thanks,

-- 
Jiri Kosina
SUSE Labs