linux-kernel - Re: [PATCH v4 2/2] iio: imu: smi240: imu driver

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Message-ID: <7bff153d-cf82-4ffd-891c-8d0bac4073ef@kernel.org>
Date: Mon, 26 Aug 2024 16:57:31 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Jianping.Shen@...bosch.com, jic23@...nel.org, lars@...afoo.de,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 dima.fedrau@...il.com, marcelo.schmitt1@...il.com,
 linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, Christian.Lorenz3@...bosch.com,
 Ulrike.Frauendorf@...bosch.com, Kai.Dolde@...bosch.com
Subject: Re: [PATCH v4 2/2] iio: imu: smi240: imu driver

On 26/08/2024 16:05, Jianping.Shen@...bosch.com wrote:
> From: Shen Jianping <Jianping.Shen@...bosch.com>
> 
> This patch adds the iio driver for bosch imu smi240. The smi240
> is a combined three axis angular rate and three axis acceleration
> sensor module with a measurement range of +/-300°/s and up to 16g.
> Smi240 does not support interrupt. A synchronous acc and gyro
> sampling can be triggered by setting the capture bit in spi read
> command.
> 
> Implemented features:
> * raw data access for each axis through sysfs
> * tiggered buffer for continuous sampling
> * synchronous acc and gyro data from tiggered buffer
> 

...

> +
> +static int smi240_spi_probe(struct spi_device *spi)
> +{
> +	struct regmap *regmap;
> +
> +	regmap = devm_regmap_init(&spi->dev, &smi240_regmap_bus, &spi->dev,
> +				  &smi240_regmap_config);
> +	if (IS_ERR(regmap))
> +		return dev_err_probe(&spi->dev, PTR_ERR(regmap),
> +				     "Failed to initialize SPI Regmap\n");
> +
> +	return smi240_core_probe(&spi->dev, regmap);

If the device supports only SPI (according to first patch description),
this entire split between core-spi does not make any sense. Just merge
these files.

Best regards,
Krzysztof