Message-ID: <8ad45f24-dc78-dfc4-23d2-ad5a5d0e42d4@kernel.org>
Date:   Tue, 21 Feb 2023 14:46:08 +0100
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Subject: Re: [PATCH v1 2/2] iio: adc: adding support for pac193x
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To:     marius.cristea@microchip.com, jic23@kernel.org, lars@metafoo.de,
        robh+dt@kernel.org
Cc:     linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20230220123232.413029-1-marius.cristea@microchip.com>
 <20230220123232.413029-3-marius.cristea@microchip.com>
From:   Krzysztof Kozlowski <krzk@kernel.org>
In-Reply-To: <20230220123232.413029-3-marius.cristea@microchip.com>
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On 20/02/2023 13:32, marius.cristea@microchip.com wrote:
> From: Marius Cristea <marius.cristea@microchip.com>
> 
> This is the iio driver for Microchip
> PAC193X series of Power Monitor with Accumulator chip family.
> 
> Signed-off-by: Marius Cristea <marius.cristea@microchip.com>
> ---
>  MAINTAINERS               |    7 +
>  drivers/iio/adc/Kconfig   |   12 +
>  drivers/iio/adc/Makefile  |    1 +
>  drivers/iio/adc/pac193x.c | 2072 +++++++++++++++++++++++++++++++++++++
>  4 files changed, 2092 insertions(+)
>  create mode 100644 drivers/iio/adc/pac193x.c
> 


Thank you for your patch. There is something to discuss/improve.

> +
> +#define PAC193X_NEG_PWR_CH1_BIDI(x)	((x) ? BIT(7) : 0)
> +#define PAC193X_NEG_PWR_CH2_BIDI(x)	((x) ? BIT(6) : 0)
> +#define PAC193X_NEG_PWR_CH3_BIDI(x)	((x) ? BIT(5) : 0)
> +#define PAC193X_NEG_PWR_CH4_BIDI(x)	((x) ? BIT(4) : 0)
> +#define PAC193X_NEG_PWR_CH1_BIDV(x)	((x) ? BIT(3) : 0)
> +#define PAC193X_NEG_PWR_CH2_BIDV(x)	((x) ? BIT(2) : 0)
> +#define PAC193X_NEG_PWR_CH3_BIDV(x)	((x) ? BIT(1) : 0)
> +#define PAC193X_NEG_PWR_CH4_BIDV(x)	((x) ? BIT(0) : 0)
> +
> +/*
> + * Universal Unique Identifier (UUID),
> + * 033771E0-1705-47B4-9535-D1BBE14D9A09, is
> + * reserved to Microchip for the PAC193X and must not be changed
> + */
> +#define PAC193X_DSM_UUID		"033771E0-1705-47B4-9535-D1BBE14D9A09"
> +
> +enum pac193x_ids {
> +	pac1934,
> +	pac1933,
> +	pac1932,
> +	pac1931

Enums are usually uppercase.


Best regards,
Krzysztof