From patchwork Tue Aug 24 03:54:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linyu Yuan X-Patchwork-Id: 12453891 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8ED98C4338F for ; Tue, 24 Aug 2021 03:55:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B6E86125F for ; Tue, 24 Aug 2021 03:55:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234262AbhHXD4A (ORCPT ); Mon, 23 Aug 2021 23:56:00 -0400 Received: from alexa-out.qualcomm.com ([129.46.98.28]:65129 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234015AbhHXDzu (ORCPT ); Mon, 23 Aug 2021 23:55:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1629777307; x=1661313307; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=04OjMIrpxZND5rvAOFzzah9GLGi2slx/MyvO0Ot4seA=; b=n+gM3s2j9ZmKS5ZimuNj4qtwTiRGZFtImQFs60gz9aqkmK5M+5LRRoyJ VQUofj8KuyVLs2KsiR06BpP7pMeyRUHLPoPN97XIeFqTLt//M1qkFVjj7 un0wQhvtaq7EaIBTDHEantbHkVVnbgSDohbq2q+hG3qmdy9oS+B9pgDRc 8=; Received: from ironmsg07-lv.qualcomm.com ([10.47.202.151]) by alexa-out.qualcomm.com with ESMTP; 23 Aug 2021 20:55:03 -0700 X-QCInternal: smtphost Received: from nalasex01a.na.qualcomm.com ([10.47.209.196]) by ironmsg07-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Aug 2021 20:55:02 -0700 Received: from linyyuan-gv.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.922.7; Mon, 23 Aug 2021 20:55:00 -0700 From: Linyu Yuan To: Felipe Balbi , Greg Kroah-Hartman CC: , Linyu Yuan Subject: [PATCH V4 0/3] usb: gadget: configfs: add three trace entries Date: Tue, 24 Aug 2021 11:54:38 +0800 Message-ID: <1629777281-30188-1-git-send-email-quic_linyyuan@quicinc.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanexm03h.na.qualcomm.com (10.85.0.50) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org when debug USB gadget issue, it is better to understand what configuration was done from user space. v3->v4: split into three changes v2->v3: add more change log v1->v2: fix typo tree -> three of subject line Linyu Yuan (3): usb: gadget: configfs: add UDC trace entry usb: gadget: configfs: add function link trace entry usb: gadget: configfs: add function unlink trace entry drivers/usb/gadget/Makefile | 1 + drivers/usb/gadget/configfs.c | 11 ++++++ drivers/usb/gadget/configfs_trace.c | 7 ++++ drivers/usb/gadget/configfs_trace.h | 73 +++++++++++++++++++++++++++++++++++++ 4 files changed, 92 insertions(+) create mode 100644 drivers/usb/gadget/configfs_trace.c create mode 100644 drivers/usb/gadget/configfs_trace.h