From patchwork Mon Aug 31 13:43:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 11747165 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1958813B6 for ; Tue, 1 Sep 2020 01:39:44 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9815C2098B for ; Tue, 1 Sep 2020 01:39:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="AIffcew1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9815C2098B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 14DAB16E2; Tue, 1 Sep 2020 03:38:58 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 14DAB16E2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1598924382; bh=KgqbcstOCDZYTWVPfWxt9J2nlJ7y3cb4HRTu24VTyc8=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=AIffcew1yfAvnK7k8LjHA26yRd/02fWNBENp8TcuYItK9d/KbsbenJZbcpfRFf4Ur AiLWTbrTh4tt1dGM11r7qoam2BOkzoz+KZ75k2lY7PXdRhvLJ1OGf/mfnyMd++DLBz FDjXazqkd2eAdMtQ9MpXKipdLQDutIyaRK5mR7Dc= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id F20D6F802BC; Tue, 1 Sep 2020 03:37:55 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id D967EF80278; Tue, 1 Sep 2020 03:37:20 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: * X-Spam-Status: No, score=1.1 required=5.0 tests=DATE_IN_PAST_06_12, SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 478D1F800BA for ; Tue, 1 Sep 2020 03:37:14 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 478D1F800BA IronPort-SDR: zZ+Ovf+MY8DYIlhAnHM0C39T4g8SQLALCDagdcgLW5d0yp5yB6slC4dJ4YvKqqHr9/cTfYk7VU taGUzylV4Qhg== X-IronPort-AV: E=McAfee;i="6000,8403,9730"; a="157090545" X-IronPort-AV: E=Sophos;i="5.76,376,1592895600"; d="scan'208";a="157090545" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2020 18:37:13 -0700 IronPort-SDR: jL5ldI/3OnHsq+A4LgqWDrckXyvBnGayk4IFMzysijZaWM6obnU4j2m5Lcu6QUU45RCELEWOL8 mJKvLwlQZLWA== X-IronPort-AV: E=Sophos;i="5.76,376,1592895600"; d="scan'208";a="476984142" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2020 18:37:09 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH v4 2/3] soundwire: add definition for maximum number of ports Date: Mon, 31 Aug 2020 21:43:17 +0800 Message-Id: <20200831134318.11443-3-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200831134318.11443-1-yung-chuan.liao@linux.intel.com> References: <20200831134318.11443-1-yung-chuan.liao@linux.intel.com> Cc: pierre-louis.bossart@linux.intel.com, vinod.koul@linaro.org, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, mengdong.lin@intel.com, sanyog.r.kale@intel.com, rander.wang@linux.intel.com, bard.liao@intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Pierre-Louis Bossart A Device may have at most 15 physical ports (DP0, DP1..DP14). Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Reviewed-by: Guennadi Liakhovetski Signed-off-by: Bard Liao --- include/linux/soundwire/sdw.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 76052f12c9f7..0aa4c6af7554 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -38,7 +38,8 @@ struct sdw_slave; #define SDW_FRAME_CTRL_BITS 48 #define SDW_MAX_DEVICES 11 -#define SDW_VALID_PORT_RANGE(n) ((n) <= 14 && (n) >= 1) +#define SDW_MAX_PORTS 15 +#define SDW_VALID_PORT_RANGE(n) ((n) < SDW_MAX_PORTS && (n) >= 1) enum { SDW_PORT_DIRN_SINK = 0,