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Signed-off-by: Peter Ujfalusi Reviewed-by: Kai Vehmanen Reviewed-by: Bard Liao Reviewed-by: Daniel Baluta Reviewed-by: Rander Wang Reviewed-by: Ranjani Sridharan Reviewed-by: Pierre-Louis Bossart --- sound/soc/sof/intel/cnl.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c index e615125d575e..1911e104f113 100644 --- a/sound/soc/sof/intel/cnl.c +++ b/sound/soc/sof/intel/cnl.c @@ -161,11 +161,9 @@ static void cnl_ipc_dsp_done(struct snd_sof_dev *sdev) static bool cnl_compact_ipc_compress(struct snd_sof_ipc_msg *msg, u32 *dr, u32 *dd) { - struct sof_ipc_pm_gate *pm_gate; - - if (msg->header == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE)) { - pm_gate = msg->msg_data; + struct sof_ipc_pm_gate *pm_gate = msg->msg_data; + if (pm_gate->hdr.cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE)) { /* send the compact message via the primary register */ *dr = HDA_IPC_MSG_COMPACT | HDA_IPC_PM_GATE; From patchwork Fri Jan 28 13:36:19 2022 Content-Type: text/plain; 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28 Jan 2022 05:35:51 -0800 From: Peter Ujfalusi To: lgirdwood@gmail.com, broonie@kernel.org Subject: [PATCH 2/3] ASoC: SOF: ipc: Drop header parameter from sof_ipc_tx_message_unlocked() Date: Fri, 28 Jan 2022 15:36:19 +0200 Message-Id: <20220128133620.9411-3-peter.ujfalusi@linux.intel.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20220128133620.9411-1-peter.ujfalusi@linux.intel.com> References: <20220128133620.9411-1-peter.ujfalusi@linux.intel.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, kai.vehmanen@linux.intel.com, yung-chuan.liao@linux.intel.com, pierre-louis.bossart@linux.intel.com, ranjani.sridharan@linux.intel.com, rander.wang@intel.com, daniel.baluta@nxp.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" The snd_sof_ipc_msg.header is not used by platform code, there is no need to update it and the 'header' parameter for sof_ipc_tx_message_unlocked() can be dropped at the same time. Instead of using the header parameter passed by the caller (which does by setting it to the hdr->cmd) use the hdr->cmd directly when logging. At the same time make sure that there is a message passed to the tx_message function. All instances of the tx_message passes an IPC message, this check is placed to make sure the future users can not introduce bugs. Signed-off-by: Peter Ujfalusi Reviewed-by: Kai Vehmanen Reviewed-by: Bard Liao Reviewed-by: Daniel Baluta Reviewed-by: Rander Wang Reviewed-by: Ranjani Sridharan Reviewed-by: Pierre-Louis Bossart --- sound/soc/sof/ipc.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c index 5bcf906d90af..ec51daed8b31 100644 --- a/sound/soc/sof/ipc.c +++ b/sound/soc/sof/ipc.c @@ -294,14 +294,20 @@ static int tx_wait_done(struct snd_sof_ipc *ipc, struct snd_sof_ipc_msg *msg, } /* send IPC message from host to DSP */ -static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, u32 header, +static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, void *reply_data, size_t reply_bytes) { + struct sof_ipc_cmd_hdr *hdr = msg_data; struct snd_sof_dev *sdev = ipc->sdev; struct snd_sof_ipc_msg *msg; int ret; + if (!msg_data || msg_bytes < sizeof(*hdr)) { + dev_err_ratelimited(sdev->dev, "No IPC message to send\n"); + return -EINVAL; + } + if (ipc->disable_ipc_tx || sdev->fw_state != SOF_FW_BOOT_COMPLETE) return -ENODEV; @@ -314,15 +320,13 @@ static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, u32 header, /* initialise the message */ msg = &ipc->msg; - msg->header = header; + /* attach message data */ + memcpy(msg->msg_data, msg_data, msg_bytes); msg->msg_size = msg_bytes; + msg->reply_size = reply_bytes; msg->reply_error = 0; - /* attach any data */ - if (msg_bytes) - memcpy(msg->msg_data, msg_data, msg_bytes); - sdev->msg = msg; ret = snd_sof_dsp_send_msg(sdev, msg); @@ -339,7 +343,7 @@ static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, u32 header, return ret; } - ipc_log_header(sdev->dev, "ipc tx", msg->header); + ipc_log_header(sdev->dev, "ipc tx", hdr->cmd); /* now wait for completion */ return tx_wait_done(ipc, msg, reply_data); @@ -385,7 +389,7 @@ int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, u32 header, /* Serialise IPC TX */ mutex_lock(&ipc->tx_mutex); - ret = sof_ipc_tx_message_unlocked(ipc, header, msg_data, msg_bytes, + ret = sof_ipc_tx_message_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes); mutex_unlock(&ipc->tx_mutex); @@ -789,7 +793,6 @@ static int sof_set_get_large_ctrl_data(struct snd_sof_dev *sdev, memcpy(sparams->dst, sparams->src + offset, send_bytes); err = sof_ipc_tx_message_unlocked(sdev->ipc, - partdata->rhdr.hdr.cmd, partdata, partdata->rhdr.hdr.size, partdata, From patchwork Fri Jan 28 13:36:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 539002 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 41645C433F5 for ; Fri, 28 Jan 2022 13:37:41 +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 D8DC3178A; 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28 Jan 2022 05:36:02 -0800 X-IronPort-AV: E=Sophos;i="5.88,324,1635231600"; d="scan'208";a="536132851" Received: from dlita-mobl2.ger.corp.intel.com (HELO pujfalus-desk.ger.corp.intel.com) ([10.249.43.152]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jan 2022 05:35:55 -0800 From: Peter Ujfalusi To: lgirdwood@gmail.com, broonie@kernel.org Subject: [PATCH 3/3] ASoC: SOF: ipc: Do not allocate buffer for msg_data Date: Fri, 28 Jan 2022 15:36:20 +0200 Message-Id: <20220128133620.9411-4-peter.ujfalusi@linux.intel.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20220128133620.9411-1-peter.ujfalusi@linux.intel.com> References: <20220128133620.9411-1-peter.ujfalusi@linux.intel.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, kai.vehmanen@linux.intel.com, yung-chuan.liao@linux.intel.com, pierre-louis.bossart@linux.intel.com, ranjani.sridharan@linux.intel.com, rander.wang@intel.com, daniel.baluta@nxp.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" The sof_ipc_tx_message does not have support for async operations. There is no need to allocate a buffer and copy each message to it to be sent to the DSP, we can use the passed message data pointer directly. Signed-off-by: Peter Ujfalusi Reviewed-by: Kai Vehmanen Reviewed-by: Bard Liao Reviewed-by: Daniel Baluta Reviewed-by: Rander Wang Reviewed-by: Ranjani Sridharan Reviewed-by: Pierre-Louis Bossart --- sound/soc/sof/ipc.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c index ec51daed8b31..16a0d7a059f3 100644 --- a/sound/soc/sof/ipc.c +++ b/sound/soc/sof/ipc.c @@ -321,7 +321,7 @@ static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, msg = &ipc->msg; /* attach message data */ - memcpy(msg->msg_data, msg_data, msg_bytes); + msg->msg_data = msg_data; msg->msg_size = msg_bytes; msg->reply_size = reply_bytes; @@ -1003,9 +1003,6 @@ int sof_ipc_init_msg_memory(struct snd_sof_dev *sdev) struct snd_sof_ipc_msg *msg; msg = &sdev->ipc->msg; - msg->msg_data = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL); - if (!msg->msg_data) - return -ENOMEM; msg->reply_data = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL); if (!msg->reply_data)