Re: [PATCH] ASoC: SOF: imx8m: Fix DSP control regmap retrieval

From: Iuliana Prodan
Date: Tue Jul 16 2024 - 09:36:47 EST


On 7/15/2024 6:16 PM, Daniel Baluta (OSS) wrote:
From: Daniel Baluta <daniel.baluta@xxxxxxx>

According to Documentation/devicetree/bindings/dsp/fsl,dsp.yaml
fsl,dsp-ctrl is a phandle to syscon block so we need to use correct
function to retrieve it.

Currently there is no SOF DSP DTS merged into mainline so there is no
need to support the old way of retrieving the dsp control node.

Fixes: 9ba23717b292 ("ASoC: SOF: imx8m: Implement DSP start")
Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx>


Reviewed-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>


Thanks,
Iulia
---
sound/soc/sof/imx/imx8m.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/sof/imx/imx8m.c b/sound/soc/sof/imx/imx8m.c
index 1c7019c3cbd38..cdd1e79ef9f6a 100644
--- a/sound/soc/sof/imx/imx8m.c
+++ b/sound/soc/sof/imx/imx8m.c
@@ -234,7 +234,7 @@ static int imx8m_probe(struct snd_sof_dev *sdev)
/* set default mailbox offset for FW ready message */
sdev->dsp_box.offset = MBOX_OFFSET;
- priv->regmap = syscon_regmap_lookup_by_compatible("fsl,dsp-ctrl");
+ priv->regmap = syscon_regmap_lookup_by_phandle(np, "fsl,dsp-ctrl");
if (IS_ERR(priv->regmap)) {
dev_err(sdev->dev, "cannot find dsp-ctrl registers");
ret = PTR_ERR(priv->regmap);