Re: [PATCH v2 2/2] iio: adc: mcp3911: add support for the whole MCP39xx family

[Marcus Folkesson]

Hi Andy,

Thanks for your revew!

[...]
> 
> > +static int mcp3910_get_offset(struct mcp3911 *adc, int channel, int *val)
> > +{
> > +	return mcp3911_read(adc, MCP3910_OFFCAL(channel), val, 3);
> 
> Just to be sure, the proper endianess conversion is done in mcp3911_read()
> and mcp3911_write() calls?
> 
> This question applies to all calls to that APIs.

Yes it does.

[...]

> 
> > +static int mcp3910_get_osr(struct mcp3911 *adc, int *val)
> > +{
> > +	int ret = mcp3911_read(adc, MCP3910_REG_CONFIG0, val, 3);
> 
> Have you run checkpatch? Here should be a blank line. Same in other several
> places.

Yes, checkpatch does not report any warning for this.

[...]

> > +	adc->chip = (struct mcp3911_chip_info *)spi_get_device_id(spi)->driver_data;
> 
> Can't you use spi_get_device_match_data()?
> 
> ...

Will go for spi_get_device_match_data().

[...]

> 
> > +		device_property_read_u32(&adc->spi->dev, "device-addr", &adc->dev_addr);
> 
> With
> 
> 	struct device *dev = &adc->spi->dev;
> 
> lines like this will be neater.

Indeed, but I think I will short it down to just spi->dev.

> 
> 
> 

Best regards,
Marcus Folkesson

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