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Martin Blumenstingl authored
On the older-gen 32-bit SoCs the meson-saradc driver is used to read the SoC temperature. This requires reading calibration data from the eFuse. Looking up the calibration data nvmem-cell requires the OF device_node pointer to be available in the struct device which is passed to devm_nvmem_cell_get(). This however got lost with commit 8cb631cc ("iio: Remove superfluous of_node assignments") from indio_dev->dev. As devm_nvmem_cell_get() is called in the initialization phase the device_node is not yet available because the NVMEM cell is looked up before iio_device_register() is called (which would then set the device_node automatically). Use the parent device to look up the NVMEM cell instead to fix this issue. Fixes: 8cb631cc ("iio: Remove superfluous of_node assignments") Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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