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Date:   Mon, 5 Jun 2023 13:06:58 +0200 (CEST)
From:   Bernhard Seibold <mail@bernhard-seibold.de>
To:     =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>
Cc:     linux-serial <linux-serial@vger.kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org
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References: <20230602133029.546-1-mail@bernhard-seibold.de>
 <de21c62d-c8a-ccbd-abbe-45bd1c12847@linux.intel.com>
Subject: Re: [PATCH] serial: lantiq: add missing interrupt ack
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> Ilpo J=C3=A4rvinen <ilpo.jarvinen@linux.intel.com> hat am 02.06.2023 16:5=
6 CEST geschrieben:
>=20
> =20
> On Fri, 2 Jun 2023, Bernhard Seibold wrote:
>=20
> > Currently, the error interrupt is never acknowledged, so once active it
> > will stay active indefinitely, causing the handler to be called in an
> > infinite loop.
>=20
> This has been there since the beginning, it is a bit odd if nobody has hi=
t=20
> this before now.

Let's just say this might be related to the fact that no end-user product t=
hat contains this
peripheral uses the upstream kernel. However this patch does fix a real iss=
ue that was
observed on real hardware.