From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (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 E0A6C1C6B4 for ; Wed, 24 Apr 2024 01:49:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713923346; cv=none; b=gafzn6HBiwGQ44vJVnK/WEdaLy7DdF8vvKp5nEAKVPY41TMVOLIpMsnScOMUNVjkVIaOocYdgqUy0GQzY0uXsWAkZIuouvTfsfrTPRX4fRCfNGQ0NqG8SBOqqwa6oZI/leOg3IE6GGeoeubDvLn3rfNhXpjIxyvD6I3gSV7addc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713923346; c=relaxed/simple; bh=O8wBo3jMW91/mXqgW1PShQ2yxrd/2XtsUuJ2TzAYSKw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=fxAqnufgLWfhgdEtF6zNbRg+/u/SfEA02uOCrXzfhx1JnOlA8m9NLkYTAjX7QrV5DKCKJV7hZl+MgPXRc+I38vQCX4Nzoa5cDSf/Q8WBlnO7Vs29bSctwloNrbqTR7yVXMDt6KfqBVNzdn8WO7OCRCKkXpGyAzcmVJ5ibcJa5BY= 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=Sr1FdjRv; arc=none smtp.client-ip=209.85.219.202 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="Sr1FdjRv" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-de549a4ea65so2864900276.0 for ; Tue, 23 Apr 2024 18:49:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1713923344; x=1714528144; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=JDrdqA7hSwKXktN/HHZfNNu+trfOtehLiAtZBEVkgVo=; b=Sr1FdjRvL5uJyRcVG/GfPj5PqcKHhbpHPtQwKnU8jgScszaddSO/lWXTXGBJG0JOD+ yq3mdFqz9YO7u0zihEQklvM169oIFBS/TJzK/mYnui8/7uyQRezVqYoRdwapmHvysBnl AX+TOkoMpQ3NpXe01vCMbJ53huppSqcunGef+6JWQaVR+ebfeHeyJ+O3Gklz2hX8pcU0 X5CowR/eoABNQTfnJaWfU7pDNfnURqdyHbKEoA697ASHeccZuFfKmxMAFWDpUdVQXEzX euYNDPj0D2Om+jxM50DFVSNF2uPA58s73d5NIBj2cDFtfk+H3HZ/ufpd4p2gDQ3nTm0d E/+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713923344; x=1714528144; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=JDrdqA7hSwKXktN/HHZfNNu+trfOtehLiAtZBEVkgVo=; b=LFostxRzQosn70ImkRtM0IUNYL2nWTTocy9uDo4vq4R5/uLCND7ipPVfWP0V2Inqc5 292iIebsNGTINbh2SM4CTFFgoHDXkNoUyyE0K284bGIWSLOj8Ks+7xo27+OGUWBQczqj 8uOG999oOlUSm6XngASyhy+VODg2zUuwvhulysrjHa6/yAeOI5T7BEWunP95h/0OdRhF +hFrk7k4qdP2urIFbsxHH0zrLRiepJ5cQ/l4C01fgtDsi4Z6jzTYUQcFTnrpv47wWtJN W/nLY7qFIxoldlDDV0hO32BTHhXNJ81AQucD1oE64iAwEv3hHz4In1EuiIQAyQTdeOyR N7CQ== X-Forwarded-Encrypted: i=1; AJvYcCW+Jmk+V2SO2ID/1F+ZYYwA2nbb3ri4yK+H5sQ/bQJAemw0JrQzG9xLMYcBf7EIJ0scNdZmu3TS/zh8dj3z9z6qEDrYuhGEeOcrxMlT X-Gm-Message-State: AOJu0YwJ0OCSS0hjv1nGQEGoMLyAKTamUIX44Z4OLTgnbGVvRCJ1ns58 EIJaoWcPMlpcb+B9Nvsosy2yR46bVQNy3Xz4RrTnSzGXsoDGtAasQ7zqjOpOHwZqSXa/mjOpK5S Upw== X-Google-Smtp-Source: AGHT+IGzPA/NrAQVNPZqtW1hoV5x3X5BTGRzZh8/ME0TGcv9dw+bpp5t8x2CH2Htl6Uyy00ThOpIRjHhwtU= X-Received: from jthies.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:23db]) (user=jthies job=sendgmr) by 2002:a05:6902:2285:b0:de5:2325:72dc with SMTP id dn5-20020a056902228500b00de5232572dcmr379795ybb.5.1713923344005; Tue, 23 Apr 2024 18:49:04 -0700 (PDT) Date: Wed, 24 Apr 2024 01:48:21 +0000 In-Reply-To: <20240424014821.4154159-1-jthies@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240424014821.4154159-1-jthies@google.com> X-Mailer: git-send-email 2.44.0.769.g3c40516874-goog Message-ID: <20240424014821.4154159-5-jthies@google.com> Subject: [PATCH v2 4/4] usb: typec: ucsi: Always set number of alternate modes 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, Benson Leung Content-Type: text/plain; charset="UTF-8" Providing the number of known alternate modes allows user space to determine when device registration has completed. Always register a number of known alternate modes for the partner and cable plug, even when the number of supported alternate modes is 0. Reviewed-by: Heikki Krogerus Reviewed-by: Benson Leung Signed-off-by: Jameson Thies --- Changes in V2: - None. drivers/usb/typec/ucsi/ucsi.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index f167891e3f79d..994b8a6b6be96 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -815,10 +815,11 @@ static int ucsi_check_altmodes(struct ucsi_connector *con) /* Ignoring the errors in this case. */ if (con->partner_altmode[0]) { num_partner_am = ucsi_get_num_altmode(con->partner_altmode); - if (num_partner_am > 0) - typec_partner_set_num_altmodes(con->partner, num_partner_am); + typec_partner_set_num_altmodes(con->partner, num_partner_am); ucsi_altmode_update_active(con); return 0; + } else { + typec_partner_set_num_altmodes(con->partner, 0); } return ret; @@ -1141,7 +1142,7 @@ static int ucsi_check_connection(struct ucsi_connector *con) static int ucsi_check_cable(struct ucsi_connector *con) { u64 command; - int ret; + int ret, num_plug_am; if (con->cable) return 0; @@ -1175,6 +1176,13 @@ static int ucsi_check_cable(struct ucsi_connector *con) return ret; } + if (con->plug_altmode[0]) { + num_plug_am = ucsi_get_num_altmode(con->plug_altmode); + typec_plug_set_num_altmodes(con->plug, num_plug_am); + } else { + typec_plug_set_num_altmodes(con->plug, 0); + } + return 0; } -- 2.44.0.769.g3c40516874-goog