From patchwork Fri May 2 15:37:31 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamal Mostafa X-Patchwork-Id: 345073 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id F0B88140137; Sat, 3 May 2014 01:42:55 +1000 (EST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1WgFbx-0005oX-8W; Fri, 02 May 2014 15:42:53 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1WgFax-0005Gt-Re for kernel-team@lists.ubuntu.com; Fri, 02 May 2014 15:41:51 +0000 Received: from c-67-160-228-185.hsd1.ca.comcast.net ([67.160.228.185] helo=fourier) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1WgFYT-0006Un-Bd; Fri, 02 May 2014 15:39:17 +0000 Received: from kamal by fourier with local (Exim 4.82) (envelope-from ) id 1WgFYR-0001JH-DM; Fri, 02 May 2014 08:39:15 -0700 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 3.13 063/151] iwlwifi: mvm: disable uAPSD due to bugs in the firmware Date: Fri, 2 May 2014 08:37:31 -0700 Message-Id: <1399045139-4531-64-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1399045139-4531-1-git-send-email-kamal@canonical.com> References: <1399045139-4531-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 3.13 Cc: Kamal Mostafa , Emmanuel Grumbach X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com 3.13.11.1 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Emmanuel Grumbach commit a82dda6cd492b8c88952be6f6527f3656f7ac585 upstream. The current firmware advertises support for uAPSD, but critical bugs force us to disable the feature. When a fixed firmware will be available, we will be able to re-enable uAPSD. Signed-off-by: Emmanuel Grumbach Signed-off-by: Kamal Mostafa --- drivers/net/wireless/iwlwifi/mvm/mac80211.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index cd6ea2e..c68e4ae 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -179,7 +179,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) !iwlwifi_mod_params.sw_crypto) hw->flags |= IEEE80211_HW_MFP_CAPABLE; - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) { + if (0 && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) { hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD; hw->uapsd_queues = IWL_UAPSD_AC_INFO; hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;