From patchwork Tue Jan 23 18:08:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miri Korenblit X-Patchwork-Id: 765603 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3407081AD4 for ; Tue, 23 Jan 2024 18:09:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706033343; cv=none; b=utJOX7us6s3U8JfrYjVa063PNaA1oxz1vhiimd78nzuJ29aH6ua4i9I3wyCGliw4b17OGW/FPPLID34pcyFXgZ5bsiiFX07Nd7cMmJofGYAF6n4OfEW0uDyJ5q3cxdOciZtaGQQW+jUKZJYi/rZdGJYsJO1lbhkVe/WDJnKfFPY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706033343; c=relaxed/simple; bh=R6pUuOybH9sZksa3eFP7egraef6Fsygz7d0+lTyTL2s=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=RnLHWyXd3/SdaLCEahvefQW/K8KfpRyo0NqVZeFN6BkX0dKvoj/SaGGrsHYrT1b1/isdXhl2gJE6NtYmVQUP4XCOeDwWI/jEQzIQ/VlmUVwSIF9A35b/20aff+ZLCTvO0/AGjvvP4LV8o7c1DvQLxwAKp9sdiQhSlJyFGE9G3Vc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=WGWbSbSO; arc=none smtp.client-ip=192.198.163.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="WGWbSbSO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706033342; x=1737569342; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=R6pUuOybH9sZksa3eFP7egraef6Fsygz7d0+lTyTL2s=; b=WGWbSbSO4ITBA/Ue7RESJBhfaMN4a6VQwDy2+TPVdsce36kPevEgo63S M08jd4DvBoHUOOQO50bbNNMyRq0eSFhUIsnP8Tb16qgCuPVM9U1Whng3U 99Fa9H6WMbbOJVBN5yifSvT77bAMCqtVL+0lRDufXN9qg096exldl3d+B shaxulbEftWLqQA3r1MBvL2RhOxi8VlqHR7wAAH7uKbOTCikkWNvMPYu0 YfVtlJWu7TuVKjhE2fGSOsjJf6XAVXthbT66tJ9yskleBtEywnp0ayV4d GIr3v1iqS+tcV9kD/o65JVevWNwTloAM2k1egX77g+tu/QDH/j4zDTXOx A==; X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="501814" X-IronPort-AV: E=Sophos;i="6.05,215,1701158400"; d="scan'208";a="501814" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jan 2024 10:09:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,215,1701158400"; d="scan'208";a="1666535" Received: from unknown (HELO WEIS0040.iil.intel.com) ([10.12.217.108]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jan 2024 10:09:00 -0800 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Johannes Berg , Gregory Greenman Subject: [PATCH 07/15] wifi: iwlwifi: remove retry loops in start Date: Tue, 23 Jan 2024 20:08:15 +0200 Message-Id: <20240123200528.f80a88a18799.I48f21eda090f4cc675f40e99eef69a986d21b500@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240123180823.2441162-1-miriam.rachel.korenblit@intel.com> References: <20240123180823.2441162-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Johannes Berg There's either the pldr_sync case, in which case we didn't want or do the retry loops anyway, or things will just continue to fail. Remove the retry loop that was added in a previous attempt to address the issue that was later (though still a bit broken) addressed by the pldr_sync case. Signed-off-by: Johannes Berg Reviewed-by: Gregory Greenman Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 28 ++++++------------- drivers/net/wireless/intel/iwlwifi/iwl-drv.h | 3 -- .../net/wireless/intel/iwlwifi/mvm/mac80211.c | 10 +------ 3 files changed, 10 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index abf8001bdac1..91e974de0ade 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1424,35 +1424,25 @@ _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) const struct iwl_op_mode_ops *ops = op->ops; struct dentry *dbgfs_dir = NULL; struct iwl_op_mode *op_mode = NULL; - int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; /* also protects start/stop from racing against each other */ lockdep_assert_held(&iwlwifi_opmode_table_mtx); - for (retry = 0; retry <= max_retry; retry++) { - #ifdef CONFIG_IWLWIFI_DEBUGFS - drv->dbgfs_op_mode = debugfs_create_dir(op->name, - drv->dbgfs_drv); - dbgfs_dir = drv->dbgfs_op_mode; + drv->dbgfs_op_mode = debugfs_create_dir(op->name, + drv->dbgfs_drv); + dbgfs_dir = drv->dbgfs_op_mode; #endif - op_mode = ops->start(drv->trans, drv->trans->cfg, - &drv->fw, dbgfs_dir); - - if (op_mode) - return op_mode; - - if (test_bit(STATUS_TRANS_DEAD, &drv->trans->status)) - break; - - IWL_ERR(drv, "retry init count %d\n", retry); + op_mode = ops->start(drv->trans, drv->trans->cfg, + &drv->fw, dbgfs_dir); + if (op_mode) + return op_mode; #ifdef CONFIG_IWLWIFI_DEBUGFS - debugfs_remove_recursive(drv->dbgfs_op_mode); - drv->dbgfs_op_mode = NULL; + debugfs_remove_recursive(drv->dbgfs_op_mode); + drv->dbgfs_op_mode = NULL; #endif - } return NULL; } diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.h b/drivers/net/wireless/intel/iwlwifi/iwl-drv.h index 6a1d31892417..1549ff429549 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.h @@ -98,9 +98,6 @@ void iwl_drv_stop(struct iwl_drv *drv); #define VISIBLE_IF_IWLWIFI_KUNIT static #endif -/* max retry for init flow */ -#define IWL_MAX_INIT_RETRY 2 - #define FW_NAME_PRE_BUFSIZE 64 struct iwl_trans; const char *iwl_drv_get_fwname_pre(struct iwl_trans *trans, char *buf); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 7f13dff04b26..6bbcf4092f52 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -1195,14 +1195,12 @@ int iwl_mvm_mac_start(struct ieee80211_hw *hw) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; - int retry, max_retry = 0; mutex_lock(&mvm->mutex); /* we are starting the mac not in error flow, and restart is enabled */ if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && iwlwifi_mod_params.fw_restart) { - max_retry = IWL_MAX_INIT_RETRY; /* * This will prevent mac80211 recovery flows to trigger during * init failures @@ -1210,13 +1208,7 @@ int iwl_mvm_mac_start(struct ieee80211_hw *hw) set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); } - for (retry = 0; retry <= max_retry; retry++) { - ret = __iwl_mvm_mac_start(mvm); - if (!ret || mvm->pldr_sync) - break; - - IWL_ERR(mvm, "mac start retry %d\n", retry); - } + ret = __iwl_mvm_mac_start(mvm); clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); mutex_unlock(&mvm->mutex);