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iio: adc: adi-axi-adc: Initialize state mutex

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The AXI ADC register access paths serialize transactions with st->lock,
but probe does not initialize it. Initialize the mutex before registering
the backend.

Fixes: 7ecb8ee5c9 ("iio: adc: adi-axi-adc: support digital interface calibration")
Signed-off-by: Janani Sunil <janani.sunil@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
This commit is contained in:
Janani Sunil 2026-08-13 15:56:56 +02:00 committed by Jonathan Cameron
parent 63213927b1
commit 549b71ce05
1 changed files with 4 additions and 0 deletions
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4
drivers/iio/adc/adi-axi-adc.c
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@ -714,6 +714,10 @@ static int adi_axi_adc_probe(struct platform_device *pdev)
if (!st)
return -ENOMEM;
ret = devm_mutex_init(dev, &st->lock);
if (ret)
return ret;
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);