From patchwork Wed Apr 3 10:40:48 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arend van Spriel X-Patchwork-Id: 2386281 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 43E663FD8C for ; Wed, 3 Apr 2013 10:42:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762712Ab3DCKl5 (ORCPT ); Wed, 3 Apr 2013 06:41:57 -0400 Received: from mms2.broadcom.com ([216.31.210.18]:4452 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760507Ab3DCKlU (ORCPT ); Wed, 3 Apr 2013 06:41:20 -0400 Received: from [10.9.208.57] by mms2.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.5)); Wed, 03 Apr 2013 03:36:47 -0700 X-Server-Uuid: 4500596E-606A-40F9-852D-14843D8201B2 Received: from IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.1.438.0; Wed, 3 Apr 2013 03:41:12 -0700 Received: from mail-sj1-12.sj.broadcom.com (10.10.10.20) by IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) with Microsoft SMTP Server id 14.1.438.0; Wed, 3 Apr 2013 03:41:12 -0700 Received: from arend-ubuntu-x64 (unknown [10.176.68.23]) by mail-sj1-12.sj.broadcom.com (Postfix) with ESMTP id 04CBA207F7; Wed, 3 Apr 2013 03:41:09 -0700 (PDT) Received: from arend by arend-ubuntu-x64 with local (Exim 4.80) ( envelope-from ) id 1UNL7s-00035p-Q2; Wed, 03 Apr 2013 12:41:08 +0200 From: "Arend van Spriel" To: "John W. Linville" cc: linux-wireless , "Arend van Spriel" Subject: [PATCH 23/25] brcmfmac: only allocate firmware-signalling resources if required Date: Wed, 3 Apr 2013 12:40:48 +0200 Message-ID: <1364985650-11719-24-git-send-email-arend@broadcom.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1364985650-11719-1-git-send-email-arend@broadcom.com> References: <1364985650-11719-1-git-send-email-arend@broadcom.com> MIME-Version: 1.0 X-WSS-ID: 7D42D9B53A07337154-01-01 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Bail out of brcmf_fws_init() when no firmware-signalling is asked for. Need to take this into account in brcmf_fws_deinit() as well. Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Piotr Haber Signed-off-by: Arend van Spriel --- drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | 3 +-- drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c | 14 +++++++++----- 2 files changed, 10 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index d37620e..c82f3e0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -982,8 +982,7 @@ void brcmf_detach(struct device *dev) if (drvr->prot) brcmf_proto_detach(drvr); - if (drvr->fws) - brcmf_fws_deinit(drvr); + brcmf_fws_deinit(drvr); brcmf_debugfs_detach(drvr); bus_if->drvr = NULL; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index 8b09973..430baa2 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -1224,11 +1224,12 @@ int brcmf_fws_init(struct brcmf_pub *drvr) u32 tlv = 0; int rc; - /* enable rssi signals */ - if (drvr->fw_signals) - tlv = BRCMF_FWS_FLAGS_RSSI_SIGNALS | - BRCMF_FWS_FLAGS_XONXOFF_SIGNALS | - BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS; + if (!drvr->fw_signals) + return 0; + + tlv = BRCMF_FWS_FLAGS_RSSI_SIGNALS | + BRCMF_FWS_FLAGS_XONXOFF_SIGNALS | + BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS; spin_lock_init(&drvr->fws_spinlock); @@ -1277,6 +1278,9 @@ void brcmf_fws_deinit(struct brcmf_pub *drvr) struct brcmf_fws_info *fws = drvr->fws; ulong flags; + if (!fws) + return; + /* cleanup */ brcmf_fws_lock(drvr, flags); brcmf_fws_cleanup(fws, -1);