hi Lars-Peter, Seems there is no devm_kcalloc API available at this moment (in linux-next tree). I got below build error: drivers/iio/adc/at91_adc.c: In function 'at91_adc_channel_init': drivers/iio/adc/at91_adc.c:126: error: implicit declaration of function 'devm_kcalloc' drivers/iio/adc/at91_adc.c:127: warning: assignment makes pointer from integer without a cast drivers/iio/adc/at91_adc.c: In function 'at91_adc_trigger_init': drivers/iio/adc/at91_adc.c:272: warning: assignment makes pointer from integer without a cast drivers/iio/adc/at91_adc.c: In function 'at91_adc_probe_dt': drivers/iio/adc/at91_adc.c:455: warning: assignment makes pointer from integer without a cast make[3]: *** [drivers/iio/adc/at91_adc.o] Error 1 make[2]: *** [drivers/iio/adc] Error 2 make[1]: *** [drivers/iio] Error 2 make: *** [drivers] Error 2 Regards, Axel -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html