From mboxrd@z Thu Jan  1 00:00:00 1970
From: Waldek <sp2ong@wp.pl>
Date: Mon, 16 Feb 2015 08:33:18 +0100
Subject: [ath9k-devel] 10/5 Mhz channel width is possible ?
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To: ath9k-devel@lists.ath9k.org

Hi,

I have linux kernel version 3.19 and iw tool v3.17. I have use USB WIFI WN722N which use ATH9k_htc driver from kernel
I would like setup channel width 5 MHZ form my ad-hoc Mesh network base on olsrd

I have try setup in following

iw wlan0 set type ibss
ip link set wlan0 up
iw wlan0 ibss join MYNet 2447 5MHZ

but I have message:

command failed: Invalid argument (-22)

when I use 
iw wlan0 ibss join MYNet 2447

no error message but channel width is 20 Mhz

What is wrong ??

Thank you for help and any suggestion

Waldek