linux-kernel - [PATCH] ASoC: imx-hdmi: remove cpu

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Message-Id: <20250820031641.2158261-1-shengjiu.wang@nxp.com>
Date: Wed, 20 Aug 2025 11:16:41 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: shengjiu.wang@...il.com,
	Xiubo.Lee@...il.com,
	festevam@...il.com,
	nicoleotsuka@...il.com,
	lgirdwood@...il.com,
	broonie@...nel.org,
	perex@...ex.cz,
	tiwai@...e.com,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	linux-sound@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: imx-hdmi: remove cpu_pdev related code

If a defer probe happens for the cpu device, the return value for
cpu_pdev "ret = -EINVAL" breaks defer probe. As the cpus->dai_name
can be replaced by cpus->of_node, to simplify the code, remove related
code for cpu_pdev.

Fixes: 6a5f850aa83a ("ASoC: fsl: Add imx-hdmi machine driver")
Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 sound/soc/fsl/imx-hdmi.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c
index fe47b439a818..1115189cc640 100644
--- a/sound/soc/fsl/imx-hdmi.c
+++ b/sound/soc/fsl/imx-hdmi.c
@@ -101,7 +101,6 @@ static int imx_hdmi_probe(struct platform_device *pdev)
 	bool hdmi_out = of_property_read_bool(np, "hdmi-out");
 	bool hdmi_in = of_property_read_bool(np, "hdmi-in");
 	struct snd_soc_dai_link_component *dlc;
-	struct platform_device *cpu_pdev;
 	struct device_node *cpu_np;
 	struct imx_hdmi_data *data;
 	int ret;
@@ -117,17 +116,9 @@ static int imx_hdmi_probe(struct platform_device *pdev)
 		goto fail;
 	}
 
-	cpu_pdev = of_find_device_by_node(cpu_np);
-	if (!cpu_pdev) {
-		dev_err(&pdev->dev, "failed to find SAI platform device\n");
-		ret = -EINVAL;
-		goto fail;
-	}
-
 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		ret = -ENOMEM;
-		put_device(&cpu_pdev->dev);
 		goto fail;
 	}
 
@@ -140,15 +131,13 @@ static int imx_hdmi_probe(struct platform_device *pdev)
 
 	data->dai.name = "i.MX HDMI";
 	data->dai.stream_name = "i.MX HDMI";
-	data->dai.cpus->dai_name = dev_name(&cpu_pdev->dev);
+	data->dai.cpus->of_node = cpu_np;
 	data->dai.platforms->of_node = cpu_np;
 	data->dai.ops = &imx_hdmi_ops;
 	data->dai.playback_only = true;
 	data->dai.capture_only = false;
 	data->dai.init = imx_hdmi_init;
 
-	put_device(&cpu_pdev->dev);
-
 	if (of_node_name_eq(cpu_np, "sai")) {
 		data->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1;
 		data->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1;
-- 
2.34.1