Re: [PATCH v1 3/3] iio: adc: tsc2046: silent spi_device_id warning

From: Andy Shevchenko
Date: Tue Aug 30 2022 - 16:04:20 EST


On Tue, Aug 30, 2022 at 2:19 PM Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> wrote:
>
> Add spi_device_id to silent following warning:
> SPI driver tsc2046 has no spi_device_id for ti,tsc2046e-adc

Missed period.

...

> - dcfg = device_get_match_data(dev);

Why remove this and duplicate the check below with the inverted conditional?

> + if (!dev_fwnode(dev)) {
> + const struct spi_device_id *id;
> +
> + id = spi_get_device_id(spi);
> + dcfg = (const struct tsc2046_adc_dcfg *)id->driver_data;
> + } else {
> + dcfg = device_get_match_data(dev);
> + }

if (!dcfg) {
...try SPI ID...
}
if (!dfg)
return -E...

--
With Best Regards,
Andy Shevchenko