From nobody Sat Feb 14 01:56:50 2026 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 22324C004D6 for ; Wed, 20 Sep 2023 15:20:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235424AbjITPUk (ORCPT ); Wed, 20 Sep 2023 11:20:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235376AbjITPUa (ORCPT ); Wed, 20 Sep 2023 11:20:30 -0400 Received: from mail.hugovil.com (mail.hugovil.com [162.243.120.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D73E1A3; Wed, 20 Sep 2023 08:20:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hugovil.com ; s=x; h=Subject:Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Cc:To :From:subject:date:message-id:reply-to; bh=r8HOyZrFylpADN6kIAcsYM4Dj9Wj63S1uN+Rn+MZbHU=; b=qChrI1ssVNXGOANauihMgDmiJR 40kdHfuVJaerR3Bj1PgbADwQXjm517yN/tQU7VyRf09dAwZ5i4FZqIonDgvKf8wjKw5KXMcKvP4E6 4j/7HuqMMHD5jJq3RG1IeSVg54KXEb0EVlDmIqFG8SLfeXDJfZ9tOxGSrz+UJBwXfkoY=; Received: from modemcable168.174-80-70.mc.videotron.ca ([70.80.174.168]:43190 helo=pettiford.lan) by mail.hugovil.com with esmtpa (Exim 4.92) (envelope-from ) id 1qiyzz-0008Co-Hk; Wed, 20 Sep 2023 11:20:20 -0400 From: Hugo Villeneuve To: gregkh@linuxfoundation.org, jirislaby@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, hvilleneuve@dimonoff.com Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, hugo@hugovil.com Date: Wed, 20 Sep 2023 11:20:13 -0400 Message-Id: <20230920152015.1376838-3-hugo@hugovil.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230920152015.1376838-1-hugo@hugovil.com> References: <20230920152015.1376838-1-hugo@hugovil.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 70.80.174.168 X-SA-Exim-Mail-From: hugo@hugovil.com Subject: [PATCH 2/4] serial: sc16is7xx: recognize "nxp,irda-mode-ports" DT property X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.hugovil.com) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Hugo Villeneuve Vendor prefix "nxp," will be added in an upcoming commit to DT binding property "irda-mode-ports". Prepare to recognize this new property "nxp,irda-mode-ports" and retain backward compatibility with old DTBs by falling back to "irda-mode-ports" when needed. Signed-off-by: Hugo Villeneuve --- drivers/tty/serial/sc16is7xx.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index db2bb1c0d36c..b0154e901358 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1415,13 +1415,19 @@ static void sc16is7xx_setup_irda_ports(struct sc16i= s7xx_port *s) int count; u32 irda_port[2]; struct device *dev =3D s->p[0].port.dev; + const char *prop_name =3D "nxp,irda-mode-ports"; + + count =3D device_property_count_u32(dev, prop_name); + if (count < 0) { + /* For backward compatibility with old DTBs. */ + prop_name =3D "irda-mode-ports"; + count =3D device_property_count_u32(dev, prop_name); + } =20 - count =3D device_property_count_u32(dev, "irda-mode-ports"); if (count < 0 || count > ARRAY_SIZE(irda_port)) return; =20 - ret =3D device_property_read_u32_array(dev, "irda-mode-ports", - irda_port, count); + ret =3D device_property_read_u32_array(dev, prop_name, irda_port, count); if (ret) return; =20 --=20 2.30.2