From patchwork Mon Jul 4 09:45:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 587418 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 DE536C433EF for ; Mon, 4 Jul 2022 09:45:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233070AbiGDJp6 (ORCPT ); Mon, 4 Jul 2022 05:45:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233358AbiGDJpv (ORCPT ); Mon, 4 Jul 2022 05:45:51 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D31645F7D; Mon, 4 Jul 2022 02:45:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656927944; x=1688463944; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nrdI1aqCOmMQHJwk0uWLeNOFyiDw3uvCvQxr40EDQMU=; b=NZzwjCV5S+RhuZEHRO5WRP0vJw1fsqjV0GZayW8VSohhkHC4A63fNITi a7jwZoUAeMsYQTQRqWiAjpgI5GswdahjR3tPWjzout3yxNvBXy5Ejrynd mA3/588n7oXvutZMOcu2XVgLR+WCaOhrSmlkZs+OUFc7Hg39LLbJo6duH SY/Q3usuwqmcp0imA2OOZsxmAeo2kcgItliWtO1/q6sKvkvSs8M8gepB6 ocPdLv1JQ7BK+FJWQ3e56i3xTYDBwqLweVPTv5UfU6BtSvSwB/Mb/6Mm6 Y/n+QMX5ODGpZZB+REHBVjgmh5lgLig/ZMfaswUCTZZTsyWquROfoX3Fk g==; X-IronPort-AV: E=McAfee;i="6400,9594,10397"; a="266111813" X-IronPort-AV: E=Sophos;i="5.92,243,1650956400"; d="scan'208";a="266111813" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2022 02:45:44 -0700 X-IronPort-AV: E=Sophos;i="5.92,243,1650956400"; d="scan'208";a="649508842" Received: from bclindho-mobl.ger.corp.intel.com (HELO ijarvine-MOBL2.ger.corp.intel.com) ([10.252.49.27]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2022 02:45:41 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-serial@vger.kernel.org, Greg KH , Jiri Slaby , Andy Shevchenko , Lukas Wunner , Lino Sanfilippo , linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH 2/2] serial: RS485 termination is supported if DT provides one Date: Mon, 4 Jul 2022 12:45:15 +0300 Message-Id: <20220704094515.6831-3-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220704094515.6831-1-ilpo.jarvinen@linux.intel.com> References: <20220704094515.6831-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org When DT provides rs485-term, set termination flag as supported. Signed-off-by: Ilpo Järvinen Reviewed-by: Lino Sanfilippo --- drivers/tty/serial/serial_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index a9cf1044a9fa..1db44cde76f6 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -3409,6 +3409,8 @@ int uart_get_rs485_mode(struct uart_port *port) port->rs485_term_gpio = NULL; return dev_err_probe(dev, ret, "Cannot get rs485-term-gpios\n"); } + if (port->rs485_term_gpio) + port->rs485_supported.flags |= SER_RS485_TERMINATE_BUS; return 0; }