From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A91BC433DB for ; Fri, 15 Jan 2021 06:18:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14DD2239EF for ; Fri, 15 Jan 2021 06:18:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727794AbhAOGSn (ORCPT ); Fri, 15 Jan 2021 01:18:43 -0500 Received: from mga05.intel.com ([192.55.52.43]:21422 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725880AbhAOGSl (ORCPT ); Fri, 15 Jan 2021 01:18:41 -0500 IronPort-SDR: mpMZkOI1cFRMJSQsT188lGjdsgDBk0q4gQIhoRcFS2tbCq2b6z/iHdnrr6frzXsN1w05c9Yv+f usjV4G/AA5QQ== X-IronPort-AV: E=McAfee;i="6000,8403,9864"; a="263296419" X-IronPort-AV: E=Sophos;i="5.79,348,1602572400"; d="scan'208";a="263296419" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jan 2021 22:16:55 -0800 IronPort-SDR: EpyIHRxp325nxcKOrFvb0yBL0KutIVSKi2SXM8Sc7BbNi+T1W80XzV3Rh77i9D77feYMtygSbY UZV0jnnpmizA== X-IronPort-AV: E=Sophos;i="5.79,348,1602572400"; d="scan'208";a="382551879" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jan 2021 22:16:52 -0800 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, rander.wang@linux.intel.com, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, bard.liao@intel.com Subject: [PATCH 2/2] soundwire: cadence: reduce timeout on transactions Date: Fri, 15 Jan 2021 14:16:51 +0800 Message-Id: <20210115061651.9740-3-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210115061651.9740-1-yung-chuan.liao@linux.intel.com> References: <20210115061651.9740-1-yung-chuan.liao@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pierre-Louis Bossart Currently the timeout for SoundWire individual transactions is 2s. This is too large in comparison with the enumeration and completion timeouts used in codec drivers. A command will typically be handled in less than 100us, so 500ms for the command completion is more than generous. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Bard Liao --- drivers/soundwire/cadence_master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 9fa55164354a..f0b0ec173f8b 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -188,7 +188,7 @@ MODULE_PARM_DESC(cdns_mcp_int_mask, "Cadence MCP IntMask"); #define CDNS_PDI_CONFIG_PORT GENMASK(4, 0) /* Driver defaults */ -#define CDNS_TX_TIMEOUT 2000 +#define CDNS_TX_TIMEOUT 500 #define CDNS_SCP_RX_FIFOLEVEL 0x2 -- 2.17.1