From patchwork Sat Nov 20 16:21:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kumar, M Chetan" X-Patchwork-Id: 12630507 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 991A8C433EF for ; Sat, 20 Nov 2021 16:14:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231890AbhKTQRM (ORCPT ); Sat, 20 Nov 2021 11:17:12 -0500 Received: from mga07.intel.com ([134.134.136.100]:21604 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229613AbhKTQRL (ORCPT ); Sat, 20 Nov 2021 11:17:11 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10174"; a="297998427" X-IronPort-AV: E=Sophos;i="5.87,250,1631602800"; d="scan'208";a="297998427" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Nov 2021 08:14:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,250,1631602800"; d="scan'208";a="455775524" Received: from ccgwwan-desktop15.iind.intel.com ([10.224.174.19]) by orsmga003.jf.intel.com with ESMTP; 20 Nov 2021 08:14:05 -0800 From: M Chetan Kumar To: netdev@vger.kernel.org Cc: kuba@kernel.org, davem@davemloft.net, johannes@sipsolutions.net, ryazanov.s.a@gmail.com, loic.poulain@linaro.org, krishna.c.sudi@intel.com, m.chetan.kumar@intel.com, m.chetan.kumar@linux.intel.com, linuxwwan@intel.com Subject: [PATCH V3 net-next 0/2] net: wwan: debugfs support for wwan device logging Date: Sat, 20 Nov 2021 21:51:53 +0530 Message-Id: <20211120162155.1216081-1-m.chetan.kumar@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This patch series brings in 1) A common debugfs base directory i.e. /sys/kernel/debugfs/wwan/ in WWAN Subsystem for a WWAN device instance. 2) And support for Device trace collection in IOSM Diver using relayfs interface. Changes since v2: PATCH1: * Removed unnecessary checks & empty lines before error checks. PATCH2: * Removed empty lines before error checks. Changes since v1: PATCH1: * Changes in WWAN Subsystem to support common debugfs base directory. PATCH2: * IOSM Driver adaption to get WWAN device dentry. * Removed unnecessary checks. M Chetan Kumar (2): net: wwan: common debugfs base dir for wwan device net: wwan: iosm: device trace collection using relayfs drivers/net/wwan/iosm/Makefile | 3 +- drivers/net/wwan/iosm/iosm_ipc_imem.c | 13 ++ drivers/net/wwan/iosm/iosm_ipc_imem.h | 2 + drivers/net/wwan/iosm/iosm_ipc_imem_ops.c | 31 +++- drivers/net/wwan/iosm/iosm_ipc_imem_ops.h | 9 +- drivers/net/wwan/iosm/iosm_ipc_port.c | 2 +- drivers/net/wwan/iosm/iosm_ipc_trace.c | 173 ++++++++++++++++++++++ drivers/net/wwan/iosm/iosm_ipc_trace.h | 51 +++++++ drivers/net/wwan/wwan_core.c | 31 +++- include/linux/wwan.h | 2 + 10 files changed, 302 insertions(+), 15 deletions(-) create mode 100644 drivers/net/wwan/iosm/iosm_ipc_trace.c create mode 100644 drivers/net/wwan/iosm/iosm_ipc_trace.h --- 2.25.1