From patchwork Wed Jul 1 09:41:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 490022 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6233A14029C for ; Wed, 1 Jul 2015 19:47:57 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=ZidUEar0; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753904AbbGAJn4 (ORCPT ); Wed, 1 Jul 2015 05:43:56 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:33658 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753712AbbGAJmk (ORCPT ); Wed, 1 Jul 2015 05:42:40 -0400 Received: by wiwl6 with SMTP id l6so159012594wiw.0; Wed, 01 Jul 2015 02:42:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=+O7JTYqrbunkHNdHVP7+qaN4Jw4ePcdLsByKcbn2f94=; b=ZidUEar0VIkVbU3QJqHRXOCLC2W14MC+KT41Yhq6+XPvY98Yrf9o2UYPhrXMeg5RZB OzSt3vD3gcQew8cZTuWaTOnwX7KcZIAtsNLu7816rqr5xbcxKWjDW73vvRc6wS72kyOE t3SjtEEXnTXVjrvhsuYDCL4SBd6kr+IYm+kDvNwuOfiw/KjEMXHqoJWdvExDPijMJ3+b i+4Bnbtw0m6gnxsCD+BZDJMuDZvBYYGVYBLsRdb9G/fSS9kqwxXgAZB9y7E2u7Z3NTZl +iU8GJbdv6cS9wCmcQqD3x0huIQehHQ6aAcB6Ob7EU2YytL1+cnQ/zS98fcVIVRGRR5r VcWQ== X-Received: by 10.180.82.230 with SMTP id l6mr40650824wiy.61.1435743758416; Wed, 01 Jul 2015 02:42:38 -0700 (PDT) Received: from cizrna.lan ([109.72.12.160]) by mx.google.com with ESMTPSA id x10sm1992663wjr.25.2015.07.01.02.42.36 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Jul 2015 02:42:37 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Mark Brown , linux-acpi@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-pwm@vger.kernel.org, "Rafael J. Wysocki" , alsa-devel@alsa-project.org, Tomeu Vizoso , linux-tegra@vger.kernel.org, Thierry Reding , =?UTF-8?q?Terje=20Bergstr=C3=B6m?= Subject: [PATCH v2 05/12] gpu: host1x: register dependency parser for firmware nodes Date: Wed, 1 Jul 2015 11:41:00 +0200 Message-Id: <1435743667-11987-6-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.1 In-Reply-To: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> References: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org So others can find out dependencies of host1x clients, as specified in bindings/gpu/nvidia,tegra20-host1x.txt. Signed-off-by: Tomeu Vizoso --- Changes in v2: None drivers/gpu/host1x/dev.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 53d3d1d..5bb10b8 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -212,6 +212,29 @@ static struct platform_driver tegra_host1x_driver = { .remove = host1x_remove, }; +static void add_dependency(struct fwnode_handle *fwnode, + const char *property, + struct list_head *deps) +{ + struct device_node *np; + + np = of_parse_phandle(to_of_node(fwnode), property, 0); + if (!np) + return; + + fwnode_add_dependency(&np->fwnode, deps); +} + +static void host1x_get_dependencies(struct fwnode_handle *fwnode, + struct list_head *deps) +{ + add_dependency(fwnode, "nvidia,dpaux", deps); + add_dependency(fwnode, "nvidia,panel", deps); + add_dependency(fwnode, "nvidia,ddc-i2c-bus", deps); + add_dependency(fwnode, "nvidia,hpd-gpio", deps); + add_dependency(fwnode, "ddc-i2c-bus", deps); +} + static int __init tegra_host1x_init(void) { int err; @@ -228,6 +251,8 @@ static int __init tegra_host1x_init(void) if (err < 0) goto unregister_host1x; + fwnode_add_dependency_parser(host1x_get_dependencies); + return 0; unregister_host1x: @@ -240,6 +265,7 @@ module_init(tegra_host1x_init); static void __exit tegra_host1x_exit(void) { + fwnode_remove_dependency_parser(host1x_get_dependencies); platform_driver_unregister(&tegra_mipi_driver); platform_driver_unregister(&tegra_host1x_driver); bus_unregister(&host1x_bus_type);