linux-kernel - Re: [PATCH] USB: add ignore remote wakeup quirk for one of Logitech's receivers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 11 Sep 2023 11:19:47 -0400
From:   Hamza Mahfooz <someguy@...ective-light.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     linux-usb@...r.kernel.org, stable@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Bastien Nocera <hadess@...ess.net>,
        Łukasz Bartosik <lb@...ihalf.com>,
        Nicolas Dumazet <ndumazet@...gle.com>,
        Jean-Francois Le Fillatre <jflf_kernel@....com>,
        Mark Pearson <mpearson-lenovo@...ebb.ca>,
        Hannu Hartikainen <hannu@...k.in>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] USB: add ignore remote wakeup quirk for one of Logitech's
 receivers

Hey Hans,

On Mon, Sep 11 2023 at 09:32:42 AM +02:00:00, Hans de Goede 
<hdegoede@...hat.com> wrote:
> Hi Hamza,
> 
> On 9/10/23 18:37, Hamza Mahfooz wrote:
>>  This device causes the system to wake up from suspend, as soon as it
>>  enters it (even if the device attached to the receiver is powered 
>> off).
>>  So, ignore remote wakeup events from it.
>> 
>>  Cc: stable@...r.kernel.org
>>  Signed-off-by: Hamza Mahfooz <someguy@...ective-light.com>
>>  ---
>>   drivers/usb/core/quirks.c | 4 ++++
>>   1 file changed, 4 insertions(+)
>> 
>>  diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
>>  index 15e9bd180a1d..d2e2a2873f34 100644
>>  --- a/drivers/usb/core/quirks.c
>>  +++ b/drivers/usb/core/quirks.c
>>  @@ -264,6 +264,10 @@ static const struct usb_device_id 
>> usb_quirk_list[] = {
>>   	/* Logitech Harmony 700-series */
>>   	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT 
>> },
>> 
>>  +	/* Logitech lightspeed receiver (0xc547) */
>>  +	{ USB_DEVICE(0x046d, 0xc547), .driver_info =
>>  +			USB_QUIRK_IGNORE_REMOTE_WAKEUP },
>>  +
>>   	/* Philips PSC805 audio device */
>>   	{ USB_DEVICE(0x0471, 0x0155), .driver_info = 
>> USB_QUIRK_RESET_RESUME },
>> 
> 
> If this is a lightspeed receiver then it really should be handled by
> hid-logitech-dj.c unless this new receiver is using a new protocol ?
> 
> I wonder if adding it there also fixes the remote
> wakeup issue (I doubt it fixes it but worth a try) ?


Seems like the following series does indeed fix this issue:
https://lore.kernel.org/linux-input/20230716182320.85483-1-mavchatz@protonmail.com/T/#u

> 
> Regards,
> 
> Hans
> 
> 
>