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 X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT 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 E56F7C43143 for ; Sat, 29 Sep 2018 19:55:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1551208B3 for ; Sat, 29 Sep 2018 19:55:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KNcwqRtd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1551208B3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728483AbeI3CYm (ORCPT ); Sat, 29 Sep 2018 22:24:42 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:35923 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728015AbeI3CYl (ORCPT ); Sat, 29 Sep 2018 22:24:41 -0400 Received: by mail-pg1-f195.google.com with SMTP id f18-v6so3257353pgv.3; Sat, 29 Sep 2018 12:54:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=sVp5a2nWozC6KcAR667nDInnw3w1AXgzDlQwp5Coil8=; b=KNcwqRtdtmoxhyptGVVnwq/3pMLJqvLrubhvPCKqa5oaBc7RIYH6ERVb1KFIITjRIA i7hgG3nbPnBIwFAlv2Epm2VJfcNafKQE7NKJUnGC+NxDOpFnDDTWgBL2Rw1h2EcQn50w XZoX33JgFgBfL1LdVF0xp5puuhk9L7v5mC45P9qkp8yWtGyMC2Aq4VqXBqedW0htgUoG ToLFoGUAsO/0GgN8cNopqIZ4OBffTTi/z1SmZlBGKlbFjOBrzJsNi0d0RGJivqFpFJAA RO4dWVO0LwjXouqidyIu5dFN/snyUfEaplUm8XWzekiwy4ujxh3p5F7VErloSx6AcLJ1 ph9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=sVp5a2nWozC6KcAR667nDInnw3w1AXgzDlQwp5Coil8=; b=j2ydDWEwwaOK0cPujpprfgsrJu2aVOuLr0R6rzjHWz/vV3CEdUD1a0TTTU5r84rMMk KHI7ExDlMlOkcJh1iE7adPYVPtPSTxfhbjPDS1Z7gx1cNk6rJGaAxXC3NJcM8Eil0K8I Pg8Ol/HXRJRonXSwqD3jSgh3LnsCe+t/Z6b+wdM5yUa3ZJ0hvkTTRiIyuzOs7bY4xnCJ xJb/SvJBgbaY5M9leJG/JXk0EHkaffGChaDJCtDOrbMVUxcqhq2N5fvISQQvOkPPWzBQ lQtHtwyeXmGZnShcvr+IqcWqDkGKf7ZM9oA5etng++TNBwJHq3gqvx4E+yhVkl4ttbbx agRg== X-Gm-Message-State: ABuFfojiA/YiZ3TEVVaXqDKECAqfRAfZ4t/M3N+dQ4XjFGGoiucfDdHA PxvjrPnqtYRorldtU53UPSX3nv/e X-Google-Smtp-Source: ACcGV62gErIkI1/s09bQuObWZpk8dAO73/I9SdIz304zhwgrXRbOb06UTddg5lihbwwbMPNtu7F6zw== X-Received: by 2002:a17:902:4281:: with SMTP id h1-v6mr4487112pld.134.1538250898399; Sat, 29 Sep 2018 12:54:58 -0700 (PDT) Received: from mappy.world.mentorg.com (c-98-210-181-167.hsd1.ca.comcast.net. [98.210.181.167]) by smtp.gmail.com with ESMTPSA id b126-v6sm18371946pga.49.2018.09.29.12.54.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 29 Sep 2018 12:54:57 -0700 (PDT) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam , Philipp Zabel , Mauro Carvalho Chehab , Greg Kroah-Hartman , devel@driverdev.osuosl.org (open list:STAGING SUBSYSTEM), linux-kernel@vger.kernel.org (open list) Subject: [RESEND PATCH v7 09/17] media: imx: mipi csi-2: Register a subdev notifier Date: Sat, 29 Sep 2018 12:54:12 -0700 Message-Id: <20180929195420.28579-10-slongerbeam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180929195420.28579-1-slongerbeam@gmail.com> References: <20180929195420.28579-1-slongerbeam@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Parse neighbor remote devices on the MIPI CSI-2 input port, add them to a subdev notifier, and register the subdev notifier for the MIPI CSI-2 receiver, by calling v4l2_async_register_fwnode_subdev(). csi2_parse_endpoints() is modified to be the parse_endpoint callback. Signed-off-by: Steve Longerbeam --- drivers/staging/media/imx/imx6-mipi-csi2.c | 31 ++++++++++------------ 1 file changed, 14 insertions(+), 17 deletions(-) diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c index 7b457a4b7df5..d60a52cfc69c 100644 --- a/drivers/staging/media/imx/imx6-mipi-csi2.c +++ b/drivers/staging/media/imx/imx6-mipi-csi2.c @@ -551,35 +551,34 @@ static const struct v4l2_subdev_internal_ops csi2_internal_ops = { .registered = csi2_registered, }; -static int csi2_parse_endpoints(struct csi2_dev *csi2) +static int csi2_parse_endpoint(struct device *dev, + struct v4l2_fwnode_endpoint *vep, + struct v4l2_async_subdev *asd) { - struct device_node *node = csi2->dev->of_node; - struct device_node *epnode; - struct v4l2_fwnode_endpoint ep; + struct v4l2_subdev *sd = dev_get_drvdata(dev); + struct csi2_dev *csi2 = sd_to_dev(sd); - epnode = of_graph_get_endpoint_by_regs(node, 0, -1); - if (!epnode) { - v4l2_err(&csi2->sd, "failed to get sink endpoint node\n"); + if (!fwnode_device_is_available(asd->match.fwnode)) { + v4l2_err(&csi2->sd, "remote is not available\n"); return -EINVAL; } - v4l2_fwnode_endpoint_parse(of_fwnode_handle(epnode), &ep); - of_node_put(epnode); - - if (ep.bus_type != V4L2_MBUS_CSI2) { + if (vep->bus_type != V4L2_MBUS_CSI2) { v4l2_err(&csi2->sd, "invalid bus type, must be MIPI CSI2\n"); return -EINVAL; } - csi2->bus = ep.bus.mipi_csi2; + csi2->bus = vep->bus.mipi_csi2; dev_dbg(csi2->dev, "data lanes: %d\n", csi2->bus.num_data_lanes); dev_dbg(csi2->dev, "flags: 0x%08x\n", csi2->bus.flags); + return 0; } static int csi2_probe(struct platform_device *pdev) { + unsigned int sink_port = 0; struct csi2_dev *csi2; struct resource *res; int ret; @@ -601,10 +600,6 @@ static int csi2_probe(struct platform_device *pdev) csi2->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE; csi2->sd.grp_id = IMX_MEDIA_GRP_ID_CSI2; - ret = csi2_parse_endpoints(csi2); - if (ret) - return ret; - csi2->pllref_clk = devm_clk_get(&pdev->dev, "ref"); if (IS_ERR(csi2->pllref_clk)) { v4l2_err(&csi2->sd, "failed to get pll reference clock\n"); @@ -654,7 +649,9 @@ static int csi2_probe(struct platform_device *pdev) platform_set_drvdata(pdev, &csi2->sd); - ret = v4l2_async_register_subdev(&csi2->sd); + ret = v4l2_async_register_fwnode_subdev( + &csi2->sd, sizeof(struct v4l2_async_subdev), + &sink_port, 1, csi2_parse_endpoint); if (ret) goto dphy_off; -- 2.17.1