linux-kernel - [PATCH AUTOSEL 5.19 14/48] ASoC: SOF: sof-client-probes: Only load the driver if IPC3 is used

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Date:   Sun, 14 Aug 2022 12:19:07 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>, lgirdwood@...il.com,
        yung-chuan.liao@...ux.intel.com, daniel.baluta@....com,
        perex@...ex.cz, tiwai@...e.com,
        sound-open-firmware@...a-project.org, alsa-devel@...a-project.org
Subject: [PATCH AUTOSEL 5.19 14/48] ASoC: SOF: sof-client-probes: Only load the driver if IPC3 is used

From: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>

[ Upstream commit 9b93eda355089b36482f7a2f134bdd24be70f907 ]

The current implementation of probes only supports IPC3 and should not be
loaded for other IPC implementation.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
Link: https://lore.kernel.org/r/20220712131022.1124-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/sof/sof-client-probes.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/sof/sof-client-probes.c b/sound/soc/sof/sof-client-probes.c
index 34e6bd356e71..60e4250fac87 100644
--- a/sound/soc/sof/sof-client-probes.c
+++ b/sound/soc/sof/sof-client-probes.c
@@ -693,6 +693,10 @@ static int sof_probes_client_probe(struct auxiliary_device *auxdev,
 	if (!sof_probes_enabled)
 		return -ENXIO;
 
+	/* only ipc3 is supported */
+	if (sof_client_get_ipc_type(cdev) != SOF_IPC)
+		return -ENXIO;
+
 	if (!dev->platform_data) {
 		dev_err(dev, "missing platform data\n");
 		return -ENODEV;
-- 
2.35.1