From patchwork Fri Feb 15 11:49:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 10814839 X-Patchwork-Delegate: luca@coelho.fi Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4D58117E0 for ; Fri, 15 Feb 2019 11:50:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 37FF92E9C3 for ; Fri, 15 Feb 2019 11:50:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2B2812E9CB; Fri, 15 Feb 2019 11:50:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1F20B2E9D8 for ; Fri, 15 Feb 2019 11:50:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391359AbfBOLuN (ORCPT ); Fri, 15 Feb 2019 06:50:13 -0500 Received: from paleale.coelho.fi ([176.9.41.70]:60560 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729084AbfBOLuN (ORCPT ); Fri, 15 Feb 2019 06:50:13 -0500 Received: from 91-156-4-241.elisa-laajakaista.fi ([91.156.4.241] helo=redipa.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.91) (envelope-from ) id 1guc01-0008TN-2Q; Fri, 15 Feb 2019 13:49:45 +0200 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Shahar S Matityahu , Luca Coelho Date: Fri, 15 Feb 2019 13:49:22 +0200 Message-Id: <20190215114924.2545-19-luca@coelho.fi> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190215114924.2545-1-luca@coelho.fi> References: <20190215114924.2545-1-luca@coelho.fi> MIME-Version: 1.0 Subject: [PATCH 18/20] iwlwifi: remove redundant condition from prior alive dump flow Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Shahar S Matityahu After the FW image was loaded for the first time, fwrt->smem_cfg.num_lmacs value will no longer be zero since we don't clean it when we stop the device. So if we load the image once and then we fail on a consecutive attempt, the driver will abort any dumping. Solve this by removing the condition. It is safe to remove since when we do the actual dumping in iwl_fw_dbg_collect_sync we check that STATUS_DEVICE_ENABLED bit is still active. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 202f96e9ca0c..b189a605ec13 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1592,22 +1592,6 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, bool monitor_only, unsigned int delay) { - /* - * If the loading of the FW completed successfully, the next step is to - * get the SMEM config data. Thus, if fwrt->smem_cfg.num_lmacs is non - * zero, the FW was already loaded successully. If the state is "NO_FW" - * in such a case - exit, since FW may be dead. Otherwise, we - * can try to collect the data, since FW might just not be fully - * loaded (no "ALIVE" yet), and the debug data is accessible. - * - * Corner case: got the FW alive but crashed before getting the SMEM - * config. In such a case, due to HW access problems, we might - * collect garbage. - */ - if (fwrt->trans->state == IWL_TRANS_NO_FW && - fwrt->smem_cfg.num_lmacs) - return -EIO; - if (test_and_set_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status)) return -EBUSY;