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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 A076CC0650F for ; Tue, 6 Aug 2019 00:56:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7DE36214C6 for ; Tue, 6 Aug 2019 00:56:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731509AbfHFA4F (ORCPT ); Mon, 5 Aug 2019 20:56:05 -0400 Received: from mga07.intel.com ([134.134.136.100]:35804 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731449AbfHFAzx (ORCPT ); Mon, 5 Aug 2019 20:55:53 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Aug 2019 17:55:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,350,1559545200"; d="scan'208";a="198153241" Received: from sahluwal-mobl1.amr.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.252.202.215]) by fmsmga004.fm.intel.com with ESMTP; 05 Aug 2019 17:55:52 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, Blauciak@vger.kernel.org, Slawomir , Pierre-Louis Bossart , Sanyog Kale Subject: [PATCH 16/17] soundwire: cadence_master: add kernel parameter to override interrupt mask Date: Mon, 5 Aug 2019 19:55:21 -0500 Message-Id: <20190806005522.22642-17-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190806005522.22642-1-pierre-louis.bossart@linux.intel.com> References: <20190806005522.22642-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The code has a set of defaults which may not be relevant in all cases, add kernel parameter as a helper - mostly for early board bring-up. Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/cadence_master.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index fb198a806efd..4ab3174cbb04 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -20,6 +20,10 @@ #include "bus.h" #include "cadence_master.h" +static int interrupt_mask; +module_param_named(cnds_mcp_int_mask, interrupt_mask, int, 0444); +MODULE_PARM_DESC(cdns_mcp_int_mask, "Cadence MCP IntMask"); + #define CDNS_MCP_CONFIG 0x0 #define CDNS_MCP_CONFIG_MCMD_RETRY GENMASK(27, 24) @@ -762,6 +766,9 @@ static int _cdns_enable_interrupt(struct sdw_cdns *cdns) */ mask |= CDNS_MCP_INT_IRQ; + if (interrupt_mask) /* parameter override */ + mask = interrupt_mask; + cdns_writel(cdns, CDNS_MCP_INTMASK, mask); return 0; -- 2.20.1