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Date: Wed, 22 Nov 2023 12:11:39 +0000
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
Message-ID: <2023112217-audacious-eccentric-3522@gregkh>
References: <20231121203205.223047-1-hdegoede@redhat.com>
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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