sergesa
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sergesa's post in orange pi pc and 1wire ds18b20 don't find was marked as the answerOk, resolved
after I add outboard pullup , immediately :
[292751.493482] w1_master_driver w1_bus_master1: Attaching one wire slave 28.00000615392c crc ca
[292751.613810] w1_master_driver w1_bus_master1: Attaching one wire slave 28.00000615191f crc 86
It seems no internal pullup work on 5.9.14 ..
Regards.