From patchwork Tue Jun 15 17:32:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kyle Tso X-Patchwork-Id: 460862 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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 3FA52C48BE5 for ; Tue, 15 Jun 2021 17:32:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 20383613E4 for ; Tue, 15 Jun 2021 17:32:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230349AbhFOReU (ORCPT ); Tue, 15 Jun 2021 13:34:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230265AbhFOReT (ORCPT ); Tue, 15 Jun 2021 13:34:19 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D628C06175F for ; Tue, 15 Jun 2021 10:32:15 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id a4-20020a25f5040000b029054df41d5cceso5206698ybe.18 for ; Tue, 15 Jun 2021 10:32:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=O2Nrrj9xXoMKaRCg57APzWi66P/7IsIGYrlkbQqeHys=; b=HCTQA3LhOBFMcnebLh802AH4yyFsQaSM6PDKeEem2QGWGHzV0VVbTuWKuA+bIqpFys 50QmLl73EcryXb+Zcm75cxq4um/MtQl/6GxvecG/HfZnD+hlG9OUbXRQnmenNAca9tVy whycFOdCuC2mBl4szs+YanuV3hYvjRc0hBFbb0WbVVaH054Vwvj8X5BAcIeMub6dihFo 8I6PrsZQZzWzmP20NA5dYNtt2BbXFZ/jYJvodJNHe+BVDysVJTkTzlpRELKRUkB7KyZm 9iWbQPEieEJWHnTjutDFqkqpqqMkv8QAK5l7Qjxcd7wfYpX4ZwYXnlJQskBNYRAI9fuI J+Xg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=O2Nrrj9xXoMKaRCg57APzWi66P/7IsIGYrlkbQqeHys=; b=mXBKfGb1GxEeRsYccBYP5E41OLv5O+uei68J9IeM81E2Ww6j8pupucE9VL3AZjkS0C Rtz1oZDgx8BzyN4rx9mHhk/r77l26l0m0NTo+q02EqjFw11Jvvl2Ii7vbi2bduGtjbnH Lfk6lkGEV8OiV1Dvg1OGbZeucw8NN05be/AziiPUIv2T0lFEQAq97DfQCmLLD4t8MSqq +HHmFgO9jS0ohyEp/9o0klAZONZfj2hASvMhrFbpGMrSZT+i0nv1EZnMinVaSzO7DGl/ pRIo48M5Ws1ESIQPZoVz48KGAXvudTkxfUrvKVSwpTXueQOTuOHjMCvc2DSEHGRhvoIi 7VGQ== X-Gm-Message-State: AOAM533moI2IDcskC+sDCgXJmk5eyPIWVCtILWTdFtHiT45s7UFx9vHP 9NyaNfc4HQ1EyUvfHqTWW4lg725fVbff X-Google-Smtp-Source: ABdhPJzHlTT2KEs466gBdtcdD0cKscO5Xry/sQ03CBnORmzZbcRFCJGCP2BmRfKTLuuXIYMZ5fmWBDG0NLMv X-Received: from kyletso.ntc.corp.google.com ([2401:fa00:fc:202:8824:3d53:8367:ada5]) (user=kyletso job=sendgmr) by 2002:a5b:ac9:: with SMTP id a9mr329288ybr.475.1623778334010; Tue, 15 Jun 2021 10:32:14 -0700 (PDT) Date: Wed, 16 Jun 2021 01:32:06 +0800 Message-Id: <20210615173206.1646477-1-kyletso@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.32.0.272.g935e593368-goog Subject: [PATCH] usb: typec: tcpm: Ignore Vsafe0v in PR_SWAP_SNK_SRC_SOURCE_ON state From: Kyle Tso To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, gregkh@linuxfoundation.org Cc: badhri@google.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Kyle Tso Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org In PR_SWAP_SNK_SRC_SOURCE_ON state, Vsafe0v is expected as well so do nothing here to avoid state machine going into SNK_UNATTACHED. Fixes: 28b43d3d746b ("usb: typec: tcpm: Introduce vsafe0v for vbus") Signed-off-by: Kyle Tso Reviewed-by: Badhri Jagan Sridharan Reviewed-by: Guenter Roeck Acked-by: Heikki Krogerus --- drivers/usb/typec/tcpm/tcpm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 197556038ba4..e11e9227107d 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -5212,6 +5212,7 @@ static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port) } break; case PR_SWAP_SNK_SRC_SINK_OFF: + case PR_SWAP_SNK_SRC_SOURCE_ON: /* Do nothing, vsafe0v is expected during transition */ break; default: