clearfog: Clarify EEPROM's RW/RO status
Change-Id: I0a27be3170d0484eb1458947fda52863b3cb9f4c
diff --git a/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi b/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
index 42d4f0d..7970c51 100644
--- a/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
+++ b/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
@@ -182,6 +182,11 @@
compatible = "atmel,24c128";
reg = <0x57>;
pagesize = <64>;
+ // There's no read-only parameter because we want to enable flashing the EEPROM by
+ // installing a physical jumper. It doesn't matter that Linux still considers this
+ // device as writable during normal operation because any write fill fail anyway
+ // on the HW level. At least we can install that jumper and make the writes pass
+ // magically without fiddling with the DT and rebooting.
};
/* ADT7463: it doesn't use the DT */