Re: [PATCH v3 2/2] iio: adc: add ltc2309 support

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On Mon, 28 Aug 2023 22:41:35 -0400
Liam Beguin <liambeguin@xxxxxxxxx> wrote:

> The LTC2309 is an 8-Channel, 12-Bit SAR ADC with an I2C Interface.
> 
> This implements support for all single-ended and differential channels,
> in unipolar mode only.
> 
> Signed-off-by: Liam Beguin <liambeguin@xxxxxxxxx>
Hi Liam,

A few really small editorial bits in here.  I'll fix them whilst applying.
Series applied to the togreg branch of iio.git

Note I will be rebasing the tree on rc1 once available and in the meantime
this will only be pushed out as testing.

Thanks,

Jonathan



> +/**
> + * struct ltc2309 - internal device data structure
> + * @dev:	Device reference
> + * @client:	I2C reference
> + * @vref:	External reference source
> + * @lock:	Lock to serialize data access
> + * @vref_mv	Internal voltage reference

Missing : which is what the bot picked up on.

> + */
> +struct ltc2309 {
> +	struct device		*dev;
> +	struct i2c_client	*client;
> +	struct regulator	*vref;
> +	struct mutex		lock; /* serialize data access */
> +	int			vref_mv;
> +};

> +
> +void ltc2309_regulator_disable(void *regulator)
> +{
> +	struct regulator *r = (struct regulator *)regulator;

Never any need to explicitly cast from a void * to any other pointer type.
(C spec says it is always fine to do this :)

Given type is obvious from use, can just do
	regulator_disable(regulator);
and lose the local variable.

> +
> +	regulator_disable(r);
> +}

..
> +
> +static const struct of_device_id ltc2309_of_match[] = {
> +	{ .compatible = "lltc,ltc2309" },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, ltc2309_of_match);
> +
> +static const struct i2c_device_id ltc2309_id[] = {
> +	{ "ltc2309" },
> +	{}

Trivial but space between { and } for consistency.





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