Enable WIFI Channel 14 iw reg get country 00 DFS-UNSET

Hardware: Intel Galileo Gen 2

System: Yocto linux (iot-devkit-image)

User: root

# iw reg set JP
# iw reg get

global
country 00: DFS-UNSET
        (2402 - 2472 @ 40), (6, 20), (N/A)
        (2457 - 2482 @ 40), (6, 20), (N/A), NO-IR
        (2474 - 2494 @ 20), (6, 20), (N/A), NO-OFDM, NO-IR
        (5170 - 5250 @ 40), (6, 20), (N/A), NO-IR
        (5735 - 5835 @ 40), (6, 20), (N/A), NO-IR
        (57240 - 63720 @ 2160), (N/A, 0), (N/A)

# iw list

Frequencies:
            * 2412 MHz [1] (20.0 dBm)
            * 2417 MHz [2] (20.0 dBm)
            * 2422 MHz [3] (20.0 dBm)
            * 2427 MHz [4] (20.0 dBm)
            * 2432 MHz [5] (20.0 dBm)
            * 2437 MHz [6] (20.0 dBm)
            * 2442 MHz [7] (20.0 dBm)
            * 2447 MHz [8] (20.0 dBm)
            * 2452 MHz [9] (20.0 dBm)
            * 2457 MHz [10] (20.0 dBm)
            * 2462 MHz [11] (20.0 dBm)
            * 2467 MHz [12] (20.0 dBm) (no IR)
            * 2472 MHz [13] (20.0 dBm) (no IR)
            * 2484 MHz [14] (20.0 dBm) (no IR)

Notes :

  • “iw” not installed by default on Yocto, so i compiled it from source code.

  • All i want enable wifi channel 14.

  • “iw” and same wifi adapter work good on Ubunte 17 (without no-IR flag).

How to fix “iw”, or any other way to enable channel 14, or remove no-IR flag?