From patchwork Tue Jan 26 08:45:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kyle Tso X-Patchwork-Id: 371118 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 B1C3AC433E0 for ; Tue, 26 Jan 2021 08:50:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 65B43229C4 for ; Tue, 26 Jan 2021 08:50:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390450AbhAZItQ (ORCPT ); Tue, 26 Jan 2021 03:49:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390551AbhAZIr3 (ORCPT ); Tue, 26 Jan 2021 03:47:29 -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 A567EC0617A7 for ; Tue, 26 Jan 2021 00:46:05 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id q67so17112670ybg.19 for ; Tue, 26 Jan 2021 00:46:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=rY9VRGFEnK07xJyRxhqYar0R4BXBdHwAeKiBVE3gLSc=; b=UnAA7x7sisgHljyIT3brf27r5NguPJN6tGOVTmiPo2N2K9j+Gu/JvzvKR+oBXsMm8v 2IV3JGec/SjF2E1jp01MTDE6qwsitpCnUfMQDmwpwoxpxc5ozzMDQqPI7gxNUxF/ZK9E ex2NDQh/t613jm0YYS5r9kA7Ylj9HOF5ZXJAtJImG+OI3oMqQ0j45CKotJGFAH1E+wwv HGKvZ69ezcCeX+/DEoWEnHxnpl6eUgottFdSOcYNy9PTbQAOCj+4B43hYfYGLAsOEHQJ x+xbafEeLwoxmI/QC/iSIsV24te9zerIcaN4RlcboxBDlAGq30azKEPBCpucE8Q9kpc2 HVUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=rY9VRGFEnK07xJyRxhqYar0R4BXBdHwAeKiBVE3gLSc=; b=bEJ3aJ2XI0D902hWG24xQZdwtBrjvoBzeCctfOb4CkvhAcKJl6HW/NihX4k2MRgfWW bLf0o4040IM90MEvQNn4HyNhvmp1rsJvppfLAbqN0TXm3plbgFhQ0CT6/SEg+ZMwNrp0 T6pNLjYMoKPULk6Dh+hEKEvG1XzUsAL3KsCwyB2KyRW1HdMRXR29pd3JKbiW8bEfqqfk 5dBO3FWx+2hxO3mQH1tpQjSyuXfCsQfsbotCEk1Xe/SJEU9sBMCgS48W/KoExkWMQbTz pqG1pdFPEiP6g0+BXa86WOQGjfpAX27xbqiQP8IUaf5owFVYGAyXX0ZenAVXxI9oK7jh kWQA== X-Gm-Message-State: AOAM533QIPgcGQdlkyddD8LuRP0GNtcPjo9M8lbIi+/Vd22hBu3Cqk/G UFv2rEC/wdZnLydZfVuj359CAKKD0Oau X-Google-Smtp-Source: ABdhPJx+fjPVUGXGXLaEb5V4RxpTQ3WPXK1uu3IzULxVwMe1ZP0gWXIf/o0pmkLFGK4n8elA+NfVJT/bgeaO Sender: "kyletso via sendgmr" X-Received: from kyletso.ntc.corp.google.com ([2401:fa00:fc:202:4430:c29c:1e76:3e65]) (user=kyletso job=sendgmr) by 2002:a25:ac5d:: with SMTP id r29mr7223448ybd.446.1611650764837; Tue, 26 Jan 2021 00:46:04 -0800 (PST) Date: Tue, 26 Jan 2021 16:45:44 +0800 In-Reply-To: <20210126084544.682641-1-kyletso@google.com> Message-Id: <20210126084544.682641-4-kyletso@google.com> Mime-Version: 1.0 References: <20210126084544.682641-1-kyletso@google.com> X-Mailer: git-send-email 2.30.0.280.ga3ce27912f-goog Subject: [PATCH 3/3] usb: typec: tcpm: Get Sink VDO from fwnode From: Kyle Tso To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, gregkh@linuxfoundation.org, robh+dt@kernel.org, hdegoede@redhat.com, badhri@google.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Kyle Tso Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Current design only allows TCPM to get the Sink VDO from TCPC configs. Add an additional way from fwnode. Signed-off-by: Kyle Tso --- drivers/usb/typec/tcpm/tcpm.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index c14cf7842520..7b797d14d9db 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -5673,6 +5673,18 @@ static int tcpm_fw_get_caps(struct tcpm_port *port, port->new_source_frs_current = frs_current; } + ret = fwnode_property_read_u32_array(fwnode, "sink-vdos", NULL, 0); + if (ret <= 0 && ret != -EINVAL) { + return -EINVAL; + } else if (ret > 0) { + port->nr_snk_vdo = min(ret, VDO_MAX_OBJECTS); + ret = fwnode_property_read_u32_array(fwnode, "sink-vdos", + port->snk_vdo, + port->nr_snk_vdo); + if (ret < 0) + return -EINVAL; + } + return 0; }