From patchwork Thu Dec 1 17:56:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 13061611 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 339EBC4321E for ; Thu, 1 Dec 2022 17:41:29 +0000 (UTC) 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 5010817E7; Thu, 1 Dec 2022 18:40:37 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5010817E7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1669916487; bh=v8tvg6vAeBgApAzccWiMZov4CD5WfpL8Xm6BZJmYC4w=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=B1DvlQWMzviaV0oGM9KWb3dEan+RPPq73oQYv+9NOd35yLHNrlKohq7ahcwyirKV7 TfWEairw/uLWk32Un12hsqsqeXW/ih5sZHDNjeLiH2xbUdHNQaLpB9n4fnJoS4ALMW FpOsqRnmqL7bm3T4GuYWyzTcwu6BW+bFiT/JBKZQ= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id D8292F8056F; Thu, 1 Dec 2022 18:39:36 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 6D791F8055A; Thu, 1 Dec 2022 18:39:34 +0100 (CET) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) (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 7D0AFF80116 for ; Thu, 1 Dec 2022 18:39:27 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 7D0AFF80116 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CTLC6SC/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669916368; x=1701452368; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=v8tvg6vAeBgApAzccWiMZov4CD5WfpL8Xm6BZJmYC4w=; b=CTLC6SC/NjoVUk2MrPRPcTY1fSaqN2TfX2Rx42gGylw3T7prcQ0aizSR eECPCNf/Y2y0I+vWQKESVi1HuEVoUFWpiuncI0GHvpPIrWO/6mcw7zOAs UtygcVbiG/gnAWKUkyRPUdMbvB8eSlit+aKn0hGA6wE3kEDgO6JvmtCWn w/xlsan7CqQGyD2MSGr8z0HA4mkbt2jxns/F2xpPgofg/3toiu9Ld1vzp dD+I3Wu8kdScC97LGQDI3xSYnoKm/mLw6yoyG34LIZFvtUQSvPtlwIdm0 OdpfuLnNILRkCudYt9dJ00+3BIWA78yLxTd/e2uWFMjm8Uep/oHMxrT07 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10548"; a="377908331" X-IronPort-AV: E=Sophos;i="5.96,209,1665471600"; d="scan'208";a="377908331" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2022 09:39:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10548"; a="889823924" X-IronPort-AV: E=Sophos;i="5.96,209,1665471600"; d="scan'208";a="889823924" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by fmsmga006.fm.intel.com with ESMTP; 01 Dec 2022 09:39:23 -0800 From: Cezary Rojewski To: alsa-devel@alsa-project.org, broonie@kernel.org Subject: [PATCH 04/16] ASoC: Intel: avs: Introduce avs_log_buffer_status_locked() Date: Thu, 1 Dec 2022 18:56:07 +0100 Message-Id: <20221201175619.504758-5-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221201175619.504758-1-cezary.rojewski@intel.com> References: <20221201175619.504758-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , pierre-louis.bossart@linux.intel.com, tiwai@suse.com, hdegoede@redhat.com, amadeuszx.slawinski@linux.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" Simplify locking of firmware log gathering by providing single location for such purpose. Signed-off-by: Cezary Rojewski --- sound/soc/intel/avs/apl.c | 5 +---- sound/soc/intel/avs/avs.h | 12 ++++++++++++ sound/soc/intel/avs/ipc.c | 2 +- sound/soc/intel/avs/skl.c | 7 +------ 4 files changed, 15 insertions(+), 11 deletions(-) diff --git a/sound/soc/intel/avs/apl.c b/sound/soc/intel/avs/apl.c index 7c8ce98eda9d..821d5a9ad25f 100644 --- a/sound/soc/intel/avs/apl.c +++ b/sound/soc/intel/avs/apl.c @@ -50,7 +50,6 @@ static int apl_enable_logs(struct avs_dev *adev, enum avs_log_enable enable, u32 static int apl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) { struct apl_log_buffer_layout layout; - unsigned long flags; void __iomem *addr, *buf; addr = avs_log_buffer_addr(adev, msg->log.core); @@ -59,7 +58,6 @@ static int apl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg memcpy_fromio(&layout, addr, sizeof(layout)); - spin_lock_irqsave(&adev->dbg.trace_lock, flags); if (!kfifo_initialized(&adev->dbg.trace_fifo)) /* consume the logs regardless of consumer presence */ goto update_read_ptr; @@ -78,7 +76,6 @@ static int apl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg wake_up(&adev->dbg.trace_waitq); update_read_ptr: - spin_unlock_irqrestore(&adev->dbg.trace_lock, flags); writel(layout.write_ptr, addr); return 0; } @@ -140,7 +137,7 @@ static int apl_coredump(struct avs_dev *adev, union avs_notify_msg *msg) * gathered before dumping stack */ lbs_msg.log.core = msg->ext.coredump.core_id; - avs_dsp_op(adev, log_buffer_status, &lbs_msg); + avs_log_buffer_status_locked(adev, &lbs_msg); } pos = dump + AVS_FW_REGS_SIZE; diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index 8d05b27608fe..1c89af6240d2 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -344,6 +344,18 @@ unsigned int __kfifo_fromio_locked(struct kfifo *fifo, const void __iomem *src, (avs_sram_addr(adev, AVS_DEBUG_WINDOW) + __offset); \ }) +static inline int avs_log_buffer_status_locked(struct avs_dev *adev, union avs_notify_msg *msg) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&adev->dbg.trace_lock, flags); + ret = avs_dsp_op(adev, log_buffer_status, msg); + spin_unlock_irqrestore(&adev->dbg.trace_lock, flags); + + return ret; +} + struct apl_log_buffer_layout { u32 read_ptr; u32 write_ptr; diff --git a/sound/soc/intel/avs/ipc.c b/sound/soc/intel/avs/ipc.c index af8a260093f4..bdf013c3dd12 100644 --- a/sound/soc/intel/avs/ipc.c +++ b/sound/soc/intel/avs/ipc.c @@ -266,7 +266,7 @@ static void avs_dsp_process_notification(struct avs_dev *adev, u64 header) break; case AVS_NOTIFY_LOG_BUFFER_STATUS: - avs_dsp_op(adev, log_buffer_status, &msg); + avs_log_buffer_status_locked(adev, &msg); break; case AVS_NOTIFY_EXCEPTION_CAUGHT: diff --git a/sound/soc/intel/avs/skl.c b/sound/soc/intel/avs/skl.c index dc98b5cf900f..ff690e99d960 100644 --- a/sound/soc/intel/avs/skl.c +++ b/sound/soc/intel/avs/skl.c @@ -55,15 +55,11 @@ int skl_log_buffer_offset(struct avs_dev *adev, u32 core) static int skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) { - unsigned long flags; void __iomem *buf; u16 size, write, offset; - spin_lock_irqsave(&adev->dbg.trace_lock, flags); - if (!kfifo_initialized(&adev->dbg.trace_fifo)) { - spin_unlock_irqrestore(&adev->dbg.trace_lock, flags); + if (!kfifo_initialized(&adev->dbg.trace_fifo)) return 0; - } size = avs_log_buffer_size(adev) / 2; write = readl(avs_sram_addr(adev, AVS_FW_REGS_WINDOW) + FW_REGS_DBG_LOG_WP(msg->log.core)); @@ -74,7 +70,6 @@ skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) buf = avs_log_buffer_addr(adev, msg->log.core) + offset; __kfifo_fromio_locked(&adev->dbg.trace_fifo, buf, size, &adev->dbg.fifo_lock); wake_up(&adev->dbg.trace_waitq); - spin_unlock_irqrestore(&adev->dbg.trace_lock, flags); return 0; }