From nobody Mon Dec 15 17:57:55 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0ABE0C38A2D for ; Mon, 24 Oct 2022 12:05:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232600AbiJXMFr (ORCPT ); Mon, 24 Oct 2022 08:05:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232586AbiJXMDv (ORCPT ); Mon, 24 Oct 2022 08:03:51 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C0BB356EA; Mon, 24 Oct 2022 04:50:01 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 59ADCB811AB; Mon, 24 Oct 2022 11:48:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B8440C433C1; Mon, 24 Oct 2022 11:48:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666612107; bh=a7PnIGvopb4QKsMeyez/yTomLe0JNasOnQjCXOfD6PA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zcTcoqwHZ9SQuT4bnkwkMWwAPypis/GCdc5EFbpOxNXwQwhiW+POHAcREJqeW94XK EHDMrC6KlFO/mYPtem4DZQL7/tv9HI93Fdf9NUtpzAQT1c5LiJtztQiiCJz01qQllP glRVrn69GbL77aMXPvBLZmADw6klviDpFmXTlqUI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Johan Hovold Subject: [PATCH 4.14 031/210] USB: serial: ftdi_sio: fix 300 bps rate for SIO Date: Mon, 24 Oct 2022 13:29:08 +0200 Message-Id: <20221024112957.971464744@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024112956.797777597@linuxfoundation.org> References: <20221024112956.797777597@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Johan Hovold commit 7bd7ad3c310cd6766f170927381eea0aa6f46c69 upstream. The 300 bps rate of SIO devices has been mapped to 9600 bps since 2003... Let's fix the regression. Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ftdi_sio.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1309,8 +1309,7 @@ static __u32 get_ftdi_divisor(struct tty case 38400: div_value =3D ftdi_sio_b38400; break; case 57600: div_value =3D ftdi_sio_b57600; break; case 115200: div_value =3D ftdi_sio_b115200; break; - } /* baud */ - if (div_value =3D=3D 0) { + default: dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n", __func__, baud); div_value =3D ftdi_sio_b9600;