Re: [PATCH 2/2] drivers: iio: accel adxl312 and adxl314 support

From: Krzysztof Kozlowski
Date: Tue Aug 16 2022 - 07:45:02 EST


On 16/08/2022 13:28, George Mois wrote:
> ADXL312 and ADXL314 are small, thin, low power, 3-axis accelerometers
> with high resolution (13-bit) measurement up to +/-12 g and +/- 200 g
> respectively.
>

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

>
> static const struct spi_device_id adxl313_spi_id[] = {
> - { "adxl313" },
> + { "adxl312", ADXL312 },
> + { "adxl313", ADXL313 },
> + { "adxl314", ADXL314 },
> { }
> };
>
> MODULE_DEVICE_TABLE(spi, adxl313_spi_id);
>
> static const struct of_device_id adxl313_of_match[] = {
> + { .compatible = "adi,adxl312" },
> { .compatible = "adi,adxl313" },
> + { .compatible = "adi,adxl314" },

You miss here driver data. I don't remember which driver matching takes
precedence (especially in various cases like DT platforms with device
instantiated by MFD), but for consistency I think both device id tables
should have same driver data.


Best regards,
Krzysztof