From patchwork Fri Mar 15 17:18:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jameson Thies X-Patchwork-Id: 780726 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 331F43A8E1 for ; Fri, 15 Mar 2024 17:18:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710523138; cv=none; b=SLjglKhePAM3iQPLMZSfHIFIbcGR6ivI7VtPlMbvXMqYG+ylHJ49842kqb3LBxLLwtx0FOmGuYqGgDcJgDeDTKv86d6k6O3LFaY71Ft2nIJYfoxwXsWPsH1MK84uhyJDui7mTi5nbEGM8zAwqE4M8gX1Cr48rZFwVfX1/Imrb7U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710523138; c=relaxed/simple; bh=LjdE53DAeCK/DV4IGBzwE6QKkJ7zjfXL42DBeebkQMg=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=bcuUEJ3DouUvCEr96TRNPBAmxaWguH+qEWNxcLCOS1PH7aPrDBhd4QLtAzh9zf5JVdH4G2ufXZXqMtCPg5TcDMk6ss53yMbdOyXmqiF2a1RVRhFwtZTFVWWcUrKKByO+lRxN91b2+FBZjNblckWaFre7avumb/j9PhO+lsWzQ1I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jthies.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=m6luGXXi; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jthies.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="m6luGXXi" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-60a08eb0956so37128017b3.3 for ; Fri, 15 Mar 2024 10:18:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1710523136; x=1711127936; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=x+U5NBs6WRZY8QHIXBoAKLIZmwg0dfigkJKpGoGlj90=; b=m6luGXXi0PWusywGR+Lq/xkyw7xDaTzplPCL5M83eLqy8JEnPGZHJa3IRei94ZXlH8 0DF2tBQX2dvSmk3tw0AEZXIRRYpwusZvxB5bOabQcjedOzF2WIngnXQX7HCrIRmtJuOm 1fAAURqN2TgDvGu2lFUJUcoUx+j1cMpl4NNAfuwSbrJvvPv1Xv1f+B9yEuEjj678BrNe P0Sn0Ivseq5S6b+QrCzRPVIiwuycgY08AFb9N0elYfAlqejMwdZmcok0MIV1cV0uMpKe AFfNKUa4yvK2JigmPy5evrzujpIB9B7JmcOs7EBZ5xnT37/tehRB6etaq6Z9QoH2jdP/ zscA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710523136; x=1711127936; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=x+U5NBs6WRZY8QHIXBoAKLIZmwg0dfigkJKpGoGlj90=; b=q8/JHXEcD/IlEksanhtP2iYGpnTQb3IO8tJ2Z7Y4ZaDqyoxGD6nhwtMa1zrOxNnEdP zTquha9bp1xoeGSr1gUI78VvXFrwbQrw1r7ALIu9wPabQ+QEb1yTTlpH5OJneNmk3/Kr Gt1nSi/1xPdDMduedGOmKvEwv3muaIdBvKFJJZX5amjcKKEBSsoeSln9uU/homN6iGFG Cb/jxqRbZNyV4uHEbXpZtPg5aiEJY2zezI13b39yh0FruR3Nfk2ZUE+UfuEAj2hLxr5b RPerv4ItXirtEHdldJwd1/yI127ofrNovPpUN53EbRC9yHXp8Y7VGK72wD7Axj+njKWi hi+w== X-Forwarded-Encrypted: i=1; AJvYcCX6QYq6R+06KK9SOrWn7cje3Y4c8jOL0msj5yyyRprHwUdjOH/sFW9m0bFLpXLdSkUQGMxdOAepQVJbeYiL2BWUmSF8iDuSuWN2 X-Gm-Message-State: AOJu0YzKUIXw0fod9nYyqGFcgjUrTgcHnUv1EolTtNHHblk6YcG85D6l +rapdC03/cVr2ismgHE83wDN5lctJl0+nTPARpiQSWhg3q7Qfuo6bkNjXToJIzzCZ7aLsOKOXBA ORA== X-Google-Smtp-Source: AGHT+IEJ7GpoKdok/Jv7P5V2DJOncHhW1qMA+O9OKiAgOc41iLcJp85JipwLdakV4XdThj9EjCn4ZDMQlmo= X-Received: from jthies.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:23db]) (user=jthies job=sendgmr) by 2002:a81:4ed3:0:b0:60a:5d76:a875 with SMTP id c202-20020a814ed3000000b0060a5d76a875mr890098ywb.5.1710523136230; Fri, 15 Mar 2024 10:18:56 -0700 (PDT) Date: Fri, 15 Mar 2024 17:18:34 +0000 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.44.0.291.gc1ea87d7ee-goog Message-ID: <20240315171836.343830-1-jthies@google.com> Subject: [PATCH v2 0/1] usb: typec: ucsi: Check capabilities before discovery From: Jameson Thies To: heikki.krogerus@linux.intel.com, linux-usb@vger.kernel.org Cc: jthies@google.com, pmalani@chromium.org, bleung@google.com, abhishekpandit@chromium.org, andersson@kernel.org, dmitry.baryshkov@linaro.org, fabrice.gasnier@foss.st.com, gregkh@linuxfoundation.org, hdegoede@redhat.com, neil.armstrong@linaro.org, rajaram.regupathy@intel.com, saranya.gopal@intel.com, linux-kernel@vger.kernel.org Hi Heikki, This patch updates the UCSI driver to better check the appropriate capability bit before sending a UCSI command to discovery cable and identity information. These have been tested on a the usb-testing branch merged with a chromeOS 6.8-rc2 kernel. Let me know if you have any questions. Thanks, Jameson Jameson Thies (1): usb: typec: ucsi: Check capabilities before cable and identity discovery drivers/usb/typec/ucsi/ucsi.c | 34 +++++++++++++++++++++------------- drivers/usb/typec/ucsi/ucsi.h | 5 +++-- 2 files changed, 24 insertions(+), 15 deletions(-) base-commit: d99e42ce6b8341d3f09e22c6706461ec900fe172 Reviewed-by: Benson Leung