From patchwork Tue Apr 12 23:31:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linyu Yuan X-Patchwork-Id: 560240 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 67A89C433FE for ; Tue, 12 Apr 2022 23:43:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231370AbiDLXpe (ORCPT ); Tue, 12 Apr 2022 19:45:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230445AbiDLXpY (ORCPT ); Tue, 12 Apr 2022 19:45:24 -0400 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5AB222290 for ; Tue, 12 Apr 2022 16:31:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1649806314; x=1681342314; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=oIy/x6Au8lQ4cNzaZE6P/Fn6TIV13ildgJWWUfNmUh4=; b=x9csscxFgpBQ7qP9gYdZZzgV0Km1GgyKBMynuYatredD2AgpjxayGL4/ s+dGVxvli+dibY9euJBDsHvHpCAk9O/xRBHIfcUwR8Aqkb7A2UhPhwaSe Z04Iq0Q73+S0SSr43ebpzwXE6TLy/YdZkta7se7iNENqJiZEg+eoBZO1R k=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-02.qualcomm.com with ESMTP; 12 Apr 2022 16:31:52 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg04-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2022 16:31:52 -0700 Received: from nalasex01b.na.qualcomm.com (10.47.209.197) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 12 Apr 2022 16:31:52 -0700 Received: from linyyuan-gv.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 12 Apr 2022 16:31:50 -0700 From: Linyu Yuan To: Heikki Krogerus , Greg Kroah-Hartman CC: , Jack Pham , "Linyu Yuan" Subject: [PATCH v2 0/4] usb: typec: ucsi: allow retry to find role switch Date: Wed, 13 Apr 2022 07:31:41 +0800 Message-ID: <1649806305-19070-1-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: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org when one role switch module built as module, it may load later then ucsi, this change series allow retry from ucsi. v2: improve ucsi_connector_clean() to cover all condition, and add one new change to avoid allocate one unused connector. Linyu Yuan (4): usb: typec: ucsi: set con->port to NULL when register port fail usb: typec: ucsi: add a common function ucsi_connector_clean() usb: typec: ucsi: do not allocate one extra unused connector usb: typec: ucsi: retry find role swithch when module load late drivers/usb/typec/ucsi/ucsi.c | 82 ++++++++++++++++++++++++------------------- drivers/usb/typec/ucsi/ucsi.h | 2 +- 2 files changed, 47 insertions(+), 37 deletions(-)