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: 6701941 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B25F69F2F0 for ; Wed, 1 Jul 2015 09:42:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E95DB20689 for ; Wed, 1 Jul 2015 09:42:42 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id F0A5320693 for ; Wed, 1 Jul 2015 09:42:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 551236EA76; Wed, 1 Jul 2015 02:42:41 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wg0-f41.google.com (mail-wg0-f41.google.com [74.125.82.41]) by gabe.freedesktop.org (Postfix) with ESMTPS id CF4E56EAB0 for ; Wed, 1 Jul 2015 02:42:39 -0700 (PDT) Received: by wgjx7 with SMTP id x7so31629927wgj.2 for ; 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 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> Cc: devicetree@vger.kernel.org, linux-fbdev@vger.kernel.org, =?UTF-8?q?Terje=20Bergstr=C3=B6m?= , Tomeu Vizoso , linux-gpio@vger.kernel.org, "Rafael J. Wysocki" , alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, linux-acpi@vger.kernel.org, Mark Brown , linux-pwm@vger.kernel.org, linux-tegra@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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);