From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 965E841BA75 for ; Mon, 31 Aug 2026 14:19:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788185991; cv=none; b=dz+dTv5yajpKX4wx9dVd2phjOeca5nSASDJT8Xo5LB0LLewz2TYDNcepNIArd1TmrnvLFKai37VII2t26KJgHCJM1Tap/ofkxPsKomH2cZA9fGTWgy/td1rqM2db0gm99jRPzE763jgalvWirn9HHDB5jElkaUU0q9ebr5yM0ZI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788185991; c=relaxed/simple; bh=gPx3cMwdaJKw8OV4EZwEYvs9OBsKo50R7/2fNZ/mYoI=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=UfDP102WckZ7YxP1NNqs6tlp0pD6/tivYE5tipwkd7zAp0pA3F6q75RzBqZ/FkiY3YN2yWtpdr5f0DgXHSN1tNIOOViEYOLsC86fJb9tETLTmeUDMNR1rajMH/lzrXpkq+8N3uOzpPvv3XL8Icxw3EJP6y/br69jfO0J1DpEytI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gRVqH8ww; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gRVqH8ww" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12FE81F000E9; Mon, 31 Aug 2026 14:19:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788185990; bh=gPx3cMwdaJKw8OV4EZwEYvs9OBsKo50R7/2fNZ/mYoI=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=gRVqH8wwR+D+fQvWhmuTNKEcv2niYqpDzn9CpEC+yxei21ZmqhZHASHYg/Bb7irtw wnbE1sVvts//pUE8+bG8Uvgq89XuFuOUk7o48g6T0xPmOG/Ew6ywdpc8dWVWt5F5HJ 56KAtf4GRU5JmPGODh+S/oknJmYJjMCr9tWDp0Nh1wwzzryNRDmeRLs2haeoyswBUm Cre6AbHwcxXlSIAwbwgS4n+S4gsiIKomvgS5WtPXTbqU4p03QeirjXO+XVTTP0nuOH RzpKz81tN5wGYyYs/NEhar0sAFAOPMy9Flyh9+8QWb7x7sY3RbuaKAsE550yCwVpUM Z7tFz0LYjHDJw== From: sashiko-bot@kernel.org Subject: Re: [PATCH AUTOSEL 6.18] serial: 8250_port: recognize UPIO_AU Reply-To: sashiko-reviews@lists.linux.dev To: "Sasha Levin" Cc: linux-serial@vger.kernel.org In-Reply-To: <20260831133314.4125787-85-sashal@kernel.org> References: <20260831133314.4125787-1-sashal@kernel.org> <20260831133314.4125787-85-sashal@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 31 Aug 2026 14:19:49 +0000 Message-Id: <20260831141950.12FE81F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Manuel Lauss >=20 > [ Upstream commit 49fa670efdfdd27e29145cbd2beef065c08717ef ] >=20 > My MIPS Alchemy systems generate the following warning during > probe of the 8250 driver: >=20 > WARNING: drivers/tty/serial/8250/8250_port.c:462 at set_io_from_upio+0xfc= /0x124, CPU#0: swapper/0/1 > Unsupported UART type 4 > [...] > [<80521d40>] set_io_from_upio+0xfc/0x124 > [<80521dfc>] serial8250_set_defaults+0x94/0xe0 > [<80520fb4>] serial8250_register_8250_port+0x288/0x51c > [<805214ec>] serial8250_probe+0x160/0x1e8 > [<8053b5f0>] platform_probe+0x64/0x90 >=20 > The least invasive fix is to recognize UPIO_AU (type 4) in set_io_from_up= io() > and do nothing, since all parameters have already been set up in > 8250_rt288x.c::au_platform_setup(). >=20 > Run-tested on Alchemy Au1300 platform. >=20 > Signed-off-by: Manuel Lauss > Link: https://patch.msgid.link/20260430135822.905035-1-manuel.lauss@gmail= .com > Signed-off-by: Greg Kroah-Hartman > Signed-off-by: Sasha Levin Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260831133314.4125= 787-85-sashal@kernel.org?part=3D1