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Thu, 2 Apr 2020 18:49:49 +0000 (UTC) From: Hans de Goede To: Pierre-Louis Bossart , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Subject: [PATCH 1/2] ASoC: SOF: Fix "no reply expected" error during firmware-boot Date: Thu, 2 Apr 2020 20:49:47 +0200 Message-Id: <20200402184948.3014-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Cc: Hans de Goede , alsa-devel@alsa-project.org 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" At least on Canon Lake each time the SOF firmware is booted, the following error is logged in dmesg: [ 36.711803] sof-audio-pci 0000:00:1f.3: error: no reply expected, received 0x0 Since the DSP is powered down when not in used this happens everytime e.g. a notification plays, polluting dmesg with these false-positive errors. Add a check to snd_sof_ipc_reply() which makes it return success when receiving an unexpected msg_id 0 during fw-boot, fixing these false-positive errors being logged. Signed-off-by: Hans de Goede --- sound/soc/sof/ipc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c index 78aa1da7c7a9..7303b3d42f12 100644 --- a/sound/soc/sof/ipc.c +++ b/sound/soc/sof/ipc.c @@ -312,6 +312,11 @@ int snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id) { struct snd_sof_ipc_msg *msg = &sdev->ipc->msg; + /* Ignore msg_id 0 being send during fw-boot */ + if (msg->ipc_complete && sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS && + msg_id == 0) + return 0; + if (msg->ipc_complete) { dev_err(sdev->dev, "error: no reply expected, received 0x%x", msg_id);