From mboxrd@z Thu Jan 1 00:00:00 1970 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 E030BC61D85 for ; Tue, 21 Nov 2023 20:38:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229590AbjKUUi4 (ORCPT ); Tue, 21 Nov 2023 15:38:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229488AbjKUUiy (ORCPT ); Tue, 21 Nov 2023 15:38:54 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1211F10C for ; Tue, 21 Nov 2023 12:38:51 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-db084a0a2e9so7016538276.2 for ; Tue, 21 Nov 2023 12:38:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1700599130; x=1701203930; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=o5WQccnjZgaS7AdFyMCtckY+Ntl4rQUUFl7+OMDJuQI=; b=ep9jzMG0t2pztHoCG1p/gQT/Ou6OVGTYlhil29P+77lhphqXcj4Z4Ur38hYQxze0ZV t7lulJt7bR5hoZ9h0xlmAXKBIAgHam3HL00dya861MqrK44lrH4TmNJs4ySkaPtgUuBP sEe4lbZdn6o5AWuZCmVnh6npMNx4zEdyrjBKGigCvzWIbnwVm1ibj8APi5IWq37q+5IR 9QtIeJbInaZ2Ck6n7wcYXOFQRzd6Yy6CGljqnucI0HH40pwvnDmEMKCapHqr64qEL9M+ SWO3U0xSHMmJTcQEP4bBdw3jfXA1KX6tPuRWAuFTWteBJgEQiO955U50zuVNdXrtUGqQ 1FNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700599130; x=1701203930; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=o5WQccnjZgaS7AdFyMCtckY+Ntl4rQUUFl7+OMDJuQI=; b=LMB6T4zgMl3i0K467Jko/thDDmGBzluZeN077tLmhAl5zXM/H7vIu+vk6robaQt/u8 qaMqvoHjfjKlzPvmq90CVfLeqp2x5iEVW9Ff0/Hk4bM09qKvo3d4zXRouB8x6J5duyF4 FkaiqD/luZLaFykxleJsBYEH7tVf7TY2/T65YuHAdpSFLmnaISvDt4/SBvZT+yi1+WfN umapB+VwGuT3e+r54OSAmvsqNzkiXwD9xSXXPDVivCCWir7K8Nq2BNctsGVDkvhVcwG+ Dy45uqMTNG0RaQgwWq5Awz99e8jFwOzNKm1dCktaKzvI4QYwkLzVSvSxwsB5q0QBOUW7 n6IA== X-Gm-Message-State: AOJu0YyREjUH4oi++at4iU+4c+fEJzDv+QIZkkpS4WaZDhC9Jjttovx5 N8t+Q8Xo7cELidwuOLKWDWiU03jeUmSXt1g= X-Google-Smtp-Source: AGHT+IHCTQTIAMoy10E+nvzy7nHVvGzyzQV56a5uGSOpbDPWo9CwIH27+2EkbE2yhxm9W4XjY44lbDYDgKxz7cE= X-Received: from rdbabiera.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:18a8]) (user=rdbabiera job=sendgmr) by 2002:a25:8741:0:b0:d9b:e3f6:c8c6 with SMTP id e1-20020a258741000000b00d9be3f6c8c6mr2166ybn.4.1700599130296; Tue, 21 Nov 2023 12:38:50 -0800 (PST) Date: Tue, 21 Nov 2023 20:38:46 +0000 Mime-Version: 1.0 X-Developer-Key: i=rdbabiera@google.com; a=openpgp; fpr=639A331F1A21D691815CE090416E17CA2BBBD5C8 X-Developer-Signature: v=1; a=openpgp-sha256; l=977; i=rdbabiera@google.com; h=from:subject; bh=ZYsgqVxALhhygiFNzzMFz0Ybgo3pXY9d4YO+IaLS/I8=; b=owGbwMvMwCFW0bfok0KS4TbG02pJDKmxoqFP41Kf3b0/dd1cpoSr2iu81Q/d771b+Hb7Q/0yx qklMkybO0pZGMQ4GGTFFFl0/fMMblxJ3TKHs8YYZg4rE8gQBi5OAZjI+YkM/1Sjb1tNkLcWsrda 1nlTTG27RtreHR3bJzmfdw7ivlGsm8jwP2mBh7jW+h/aj2L/6GWIsvudsvx0wMkidRXrjiMbEvV y2AA= X-Mailer: git-send-email 2.43.0.rc1.413.gea7ed67945-goog Message-ID: <20231121203845.170234-4-rdbabiera@google.com> Subject: [PATCH v1 0/2] usb: typec: handle tcpc vconn oc fault by triggering tcpm error recovery From: RD Babiera To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, badhri@google.com, RD Babiera Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When a Vconn swap results in a Vconn over current fault, typec port interoperability is affected and cannot be recovered unless the connection is reset and restablished. The tcpm currently does not have an export symbol to set the port to the error recovery state in the event of tcpc faults. This patch set adds tcpm_port_error_recovery for tcpci drivers to use when a fault should result in a connection reset. Vconn over current fault handling is added to the maxim tcpci driver. RD Babiera (2): usb: typec: tcpm: add tcpm_port_error_recovery symbol usb: typec: tcpci: add vconn over current fault handling to maxim_core drivers/usb/typec/tcpm/tcpci_maxim_core.c | 20 +++++++++++++++++++- drivers/usb/typec/tcpm/tcpm.c | 14 ++++++++++++++ include/linux/usb/tcpci.h | 5 ++++- include/linux/usb/tcpm.h | 1 + 4 files changed, 38 insertions(+), 2 deletions(-) -- 2.43.0.rc1.413.gea7ed67945-goog