linux-kernel - Re: [PATCH v7 2/2] iio: pressure: driver for Honeywell HSC/SSC series

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Message-ID: <ZW4_OoyKSZ3EBL2x@smile.fi.intel.com>
Date:   Mon, 4 Dec 2023 23:06:02 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Petre Rodan <petre.rodan@...dimension.ro>
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Angel Iglesias <ang.iglesiasg@...il.com>,
        Matti Vaittinen <mazziesaccount@...il.com>,
        Andreas Klinger <ak@...klinger.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Subject: Re: [PATCH v7 2/2] iio: pressure: driver for Honeywell HSC/SSC series

On Mon, Dec 04, 2023 at 09:43:59PM +0200, Petre Rodan wrote:
> Adds driver for digital Honeywell TruStability HSC and SSC series
> pressure and temperature sensors.
> Communication is one way. The sensor only requires 4 bytes worth of
> clock pulses on both i2c and spi in order to push the data out.
> The i2c address is hardcoded and depends on the part number.
> There is no additional GPIO control.

...

> +static const char hsc_iio_dev_name[] = "hsc030pa";

Useless, you can use it directly in the assignment.

...

> +enum hsc_variants {
> +	HSC001BA = 0x0, HSC1_6BA = 0x1, HSC2_5BA = 0x2, HSC004BA = 0x3,
> +	HSC006BA = 0x4, HSC010BA = 0x5, HSC1_6MD = 0x6, HSC2_5MD = 0x7,
> +	HSC004MD = 0x8, HSC006MD = 0x9, HSC010MD = 0xa, HSC016MD = 0xb,
> +	HSC025MD = 0xc, HSC040MD = 0xd, HSC060MD = 0xe, HSC100MD = 0xf,

You can add leading 0 to make them aligned with the below.

> +	HSC160MD = 0x10, HSC250MD = 0x11, HSC400MD = 0x12, HSC600MD = 0x13,
> +	HSC001BD = 0x14, HSC1_6BD = 0x15, HSC2_5BD = 0x16, HSC004BD = 0x17,
> +	HSC2_5MG = 0x18, HSC004MG = 0x19, HSC006MG = 0x1a, HSC010MG = 0x1b,
> +	HSC016MG = 0x1c, HSC025MG = 0x1d, HSC040MG = 0x1e, HSC060MG = 0x1f,
> +	HSC100MG = 0x20, HSC160MG = 0x21, HSC250MG = 0x22, HSC400MG = 0x23,
> +	HSC600MG = 0x24, HSC001BG = 0x25, HSC1_6BG = 0x26, HSC2_5BG = 0x27,
> +	HSC004BG = 0x28, HSC006BG = 0x29, HSC010BG = 0x2a, HSC100KA = 0x2b,
> +	HSC160KA = 0x2c, HSC250KA = 0x2d, HSC400KA = 0x2e, HSC600KA = 0x2f,
> +	HSC001GA = 0x30, HSC160LD = 0x31, HSC250LD = 0x32, HSC400LD = 0x33,
> +	HSC600LD = 0x34, HSC001KD = 0x35, HSC1_6KD = 0x36, HSC2_5KD = 0x37,
> +	HSC004KD = 0x38, HSC006KD = 0x39, HSC010KD = 0x3a, HSC016KD = 0x3b,
> +	HSC025KD = 0x3c, HSC040KD = 0x3d, HSC060KD = 0x3e, HSC100KD = 0x3f,
> +	HSC160KD = 0x40, HSC250KD = 0x41, HSC400KD = 0x42, HSC250LG = 0x43,
> +	HSC400LG = 0x44, HSC600LG = 0x45, HSC001KG = 0x46, HSC1_6KG = 0x47,
> +	HSC2_5KG = 0x48, HSC004KG = 0x49, HSC006KG = 0x4a, HSC010KG = 0x4b,
> +	HSC016KG = 0x4c, HSC025KG = 0x4d, HSC040KG = 0x4e, HSC060KG = 0x4f,
> +	HSC100KG = 0x50, HSC160KG = 0x51, HSC250KG = 0x52, HSC400KG = 0x53,
> +	HSC600KG = 0x54, HSC001GG = 0x55, HSC015PA = 0x56, HSC030PA = 0x57,
> +	HSC060PA = 0x58, HSC100PA = 0x59, HSC150PA = 0x5a, HSC0_5ND = 0x5b,
> +	HSC001ND = 0x5c, HSC002ND = 0x5d, HSC004ND = 0x5e, HSC005ND = 0x5f,
> +	HSC010ND = 0x60, HSC020ND = 0x61, HSC030ND = 0x62, HSC001PD = 0x63,
> +	HSC005PD = 0x64, HSC015PD = 0x65, HSC030PD = 0x66, HSC060PD = 0x67,
> +	HSC001NG = 0x68, HSC002NG = 0x69, HSC004NG = 0x6a, HSC005NG = 0x6b,
> +	HSC010NG = 0x6c, HSC020NG = 0x6d, HSC030NG = 0x6e, HSC001PG = 0x6f,
> +	HSC005PG = 0x70, HSC015PG = 0x71, HSC030PG = 0x72, HSC060PG = 0x73,
> +	HSC100PG = 0x74, HSC150PG = 0x75, HSC_VARIANTS_MAX
> +};

...

> +		return dev_err_probe(dev, ret,
> +			"honeywell,transfer-function could not be read\n");

Indentation?

...

> +		return dev_err_probe(dev, ret,
> +			"honeywell,pressure-triplet could not be read\n");

Ditto.

...

> +			return dev_err_probe(dev, ret,
> +				"honeywell,pmin-pascal could not be read\n");

Ditto.

...

> +			return dev_err_probe(dev, ret,
> +				"honeywell,pmax-pascal could not be read\n");

Ditto.

...

> +		ret = match_string(hsc_triplet_variants, HSC_VARIANTS_MAX,
> +						triplet);
> +		if (ret < 0)
> +			return dev_err_probe(dev, -EINVAL,
> +				"honeywell,pressure-triplet is invalid\n");

Still you can use mentioned device property API.

...

> +		return dev_err_probe(dev, -EINVAL,
> +			"pressure limits are invalid\n");

Indentation?

-- 
With Best Regards,
Andy Shevchenko