Return-path: Received: from wolverine01.qualcomm.com ([199.106.114.254]:42664 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758788AbcEFSJL convert rfc822-to-8bit (ORCPT ); Fri, 6 May 2016 14:09:11 -0400 From: "Valo, Kalle" To: "ath10k@lists.infradead.org" CC: "linux-wireless@vger.kernel.org" Subject: Re: [PATCH v2] ath10k: remove VHT capabilities from 2.4GHz Date: Fri, 6 May 2016 18:08:51 +0000 Message-ID: <87inyrnjnx.fsf@kamboji.qca.qualcomm.com> (sfid-20160506_200919_351056_D7719906) References: <1461244669-19871-1-git-send-email-kvalo@qca.qualcomm.com> In-Reply-To: <1461244669-19871-1-git-send-email-kvalo@qca.qualcomm.com> (Kalle Valo's message of "Thu, 21 Apr 2016 16:17:49 +0300") Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Kalle Valo writes: > From: Johannes Berg > > According to the spec, VHT doesn't exist in 2.4GHz. > > There are vendor extensions to allow a subset of VHT to work > (notably 256-QAM), but since mac80211 doesn't support those > advertising VHT capability on 2.4GHz leads to the behaviour > of reporting VHT capabilities but not being able to use any > of them due to mac80211's code requiring 80 MHz support. > > Remove the VHT capabilities from 2.4GHz for now. If mac80211 > gets extended to use the (likely Broadcom) vendor IEs for it > and handles the lack of 80 MHz support, it can be added back. > > Signed-off-by: Johannes Berg > Signed-off-by: Kalle Valo Applied, thanks. -- Kalle Valo