Re: [PATCH v2] iio: magnetometer: st_magn: fix default DRDY pin selection for LIS2MDL

[Andy Shevchenko]

On Tue, Apr 07, 2026 at 12:50:59PM +0530, Advait Dhamorikar wrote:
> The device tree binding for st,lis2mdl does not support
> st,drdy-int-pin property. However, when no platform data is provided
> and the property is absent, the driver falls back to default_magn_pdata
> which hardcodes drdy_int_pin = 2. This causes
> `st_sensors_set_drdy_int_pin` to fail with -EINVAL because the LIS2MDL
> sensor settings have no INT2 DRDY mask defined.
> 
> Fix this by checking the sensor's INT2 DRDY mask availability at
> probe time and selecting the appropriate default pin. Sensors that
> do not support INT2 DRDY will default to INT1, while all others
> retain the existing default of INT2.

LGTM,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>

-- 
With Best Regards,
Andy Shevchenko