[riot-notifications] [RIOT-OS/RIOT] frdm-k64f hwrng support is broken (#11447)

Gaƫtan Harter notifications at github.com
Thu Apr 25 15:51:18 CEST 2019


>From a first investigation, the `frdm-k64f` cpu has both

https://github.com/RIOT-OS/RIOT/blob/215d5cdc1c7cb5c61fcdbda150e083759f655c50/cpu/kinetis/include/vendor/MK64F12.h#L10395
and 
https://github.com/RIOT-OS/RIOT/blob/215d5cdc1c7cb5c61fcdbda150e083759f655c50/cpu/kinetis/include/vendor/MK64F12.h#L10479

defined which makes it use 
https://github.com/RIOT-OS/RIOT/blob/215d5cdc1c7cb5c61fcdbda150e083759f655c50/cpu/kinetis/include/cpu_conf_kinetis.h#L159-L161
instead of the previous value

https://github.com/RIOT-OS/RIOT/blob/22c52bd3a837127e34f2fcb8d9abb094e1d8f9c7/boards/frdm-k64f/include/periph_conf.h#L271-L273

Patching to use the `SCGC6` makes it work.

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