#21279: GPIO2 default value on Mikrotik Routerboard RB951Ui-2HnD
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Reporter: anthony.bloodoff@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: Trunk
Keywords: poe dangerous |
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GPIO2 on board RB951Ui-2HnD control passive PoE on 5 port of internal
switch, and in current kernel config default value is ON.
Because of passive nature of Mikrotik POE, it's a dangerous behavior, and
need to change to default value to OFF.
In file
target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c
gpio_request_one(2, GPIOF_OUT_INIT_HIGH |GPIOF_EXPORT_DIR_CHANGEABLE, "POE
power");
change to GPIOF_OUT_INIT_LOW
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Ticket URL: <https://dev.openwrt.org/ticket/21279>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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