From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Hans de Goede <hdegoede@redhat.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>,
Wentong Wu <wentong.wu@intel.com>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Oliver Neukum <oneukum@suse.com>,
linux-usb@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v3] usb: misc: ljca: Fix enumeration error on Dell Latitude 9420
Date: Wed, 22 Nov 2023 12:11:39 +0000 [thread overview]
Message-ID: <2023112217-audacious-eccentric-3522@gregkh> (raw)
In-Reply-To: <20231121203205.223047-1-hdegoede@redhat.com>
On Tue, Nov 21, 2023 at 09:32:05PM +0100, Hans de Goede wrote:
> Not all LJCA chips implement SPI and on chips without SPI reading
> the SPI descriptors will timeout.
>
> On laptop models like the Dell Latitude 9420, this is expected behavior
> and not an error.
>
> Modify the driver to continue without instantiating a SPI auxbus child,
> instead of failing to probe() the whole LJCA chip.
>
> Fixes: acd6199f195d ("usb: Add support for Intel LJCA device")
> Cc: stable@vger.kernel.org
Nit, stable is not needed as the above commit only ended up in 6.7-rc1,
nothing older. I'll drop it when I queue this up, thanks!
greg k-h
next prev parent reply other threads:[~2023-11-22 12:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-21 20:32 [PATCH v3] usb: misc: ljca: Fix enumeration error on Dell Latitude 9420 Hans de Goede
2023-11-22 12:11 ` Greg Kroah-Hartman [this message]
2023-11-22 21:40 ` Andi Shyti
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