Re: [PATCH 6/7] iio: imu: adis16550: add adis16550 support

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On 25/11/2024 14:35, Robert Budai wrote:


...


> +	indio_dev->name = spi_get_device_id(spi)->name;
> +	indio_dev->channels = st->info->channels;
> +	indio_dev->num_channels = st->info->num_channels;
> +	indio_dev->available_scan_masks = adis16550_channel_masks;
> +	indio_dev->info = &adis16550_info;
> +	indio_dev->modes = INDIO_DIRECT_MODE;
> +
> +	st->adis.ops = &adis16550_ops;
> +
> +	st->adis.xfer = kcalloc(2, sizeof(*st->adis.xfer), GFP_KERNEL);
> +	if (!st->adis.xfer)
> +		return -ENOMEM;
> +
> +	void *buffer_tmp __free(void) = kzalloc(ADIS16550_BURST_DATA_LEN + sizeof(u32),
> +				  GFP_KERNEL);
> +	if (!buffer_tmp) {
> +		kfree(st->adis.xfer);
> +		return -ENOMEM;
> +	}
> +	st->adis.buffer = no_free_ptr(buffer_tmp);
> +
> +	ret = devm_regulator_get_enable(dev, "vdd");
> +	if (ret)
> +		return dev_err_probe(dev, ret,
> +				     "Failed to get vdd regulator\n");
> +
> +	ret = adis_init(&st->adis, indio_dev, spi, &adis16550_data);
> +	if (ret)
> +		return ret;


Why this error path does not free xfer but earlier does?

> +
> +	ret = __adis_initial_startup(&st->adis);
> +	if (ret)
> +		return ret;
> +
> +	ret = adis16550_config_sync(st);
> +	if (ret)
> +		return ret;
> +
> +	ret = devm_adis_setup_buffer_and_trigger(&st->adis, indio_dev,
> +						 adis16550_trigger_handler);
> +	if (ret)
> +		return ret;
> +
> +	ret = devm_iio_device_register(dev, indio_dev);
> +	if (ret)
> +		return ret;
> +
> +	adis16550_debugfs_init(indio_dev);
> +
> +	return 0;
> +}
> +
> +static const struct spi_device_id adis16550_id[] = {
> +	{ "adis16550", ADIS16550 },
> +	{ "adis16550w", ADIS16550W },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(spi, adis16550_id);
> +
> +static const struct of_device_id adis16550_of_match[] = {
> +	{ .compatible = "adi,adis16550" },
> +	{ .compatible = "adi,adis16550w" },

So devices are the same or do you have here un-synced tables?

Best regards,
Krzysztof




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