From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1037136AbdDUIo2 (ORCPT ); Fri, 21 Apr 2017 04:44:28 -0400 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:41492 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1036845AbdDUIjD (ORCPT ); Fri, 21 Apr 2017 04:39:03 -0400 From: Chen-Yu Tsai To: Maxime Ripard , David Airlie , Rob Herring , Mark Rutland Cc: Chen-Yu Tsai , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v2 5/9] drm/sun4i: backend: Save pointer to device tree node Date: Fri, 21 Apr 2017 16:38:53 +0800 Message-Id: <20170421083857.29636-6-wens@csie.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170421083857.29636-1-wens@csie.org> References: <20170421083857.29636-1-wens@csie.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Save a pointer to the backend's underlying device tree node in its data structure. This will be used later for downstream tcons to find and match their respective upstream backends. Signed-off-by: Chen-Yu Tsai --- drivers/gpu/drm/sun4i/sun4i_backend.c | 1 + drivers/gpu/drm/sun4i/sun4i_backend.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index 0b4222312e49..e9eca057ff35 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -352,6 +352,7 @@ static int sun4i_backend_bind(struct device *dev, struct device *master, return -ENOMEM; dev_set_drvdata(dev, backend); + backend->node = dev->of_node; backend->id = sun4i_backend_of_get_id(dev->of_node); if (backend->id < 0) return backend->id; diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h index 45b7fc110590..6327a2985fe6 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.h +++ b/drivers/gpu/drm/sun4i/sun4i_backend.h @@ -15,6 +15,7 @@ #include #include +#include #include #include @@ -140,6 +141,7 @@ #define SUN4I_BACKEND_PIPE_OFF(p) (0x5000 + (0x400 * (p))) struct sun4i_backend { + struct device_node *node; struct regmap *regs; struct reset_control *reset; -- 2.11.0