From: Luca Ceresoli <luca.ceresoli@bootlin.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Jessica Zhang <jesszhan0024@gmail.com>,
Linus Walleij <linusw@kernel.org>,
Inki Dae <inki.dae@samsung.com>,
Jagan Teki <jagan@amarulasolutions.com>,
Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Albert Esteve <aesteve@redhat.com>,
Anusha Srivatsa <asrivats@redhat.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Hui Pu <Hui.Pu@gehealthcare.com>,
Ian Ray <ian.ray@gehealthcare.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Luca Ceresoli <luca.ceresoli@bootlin.com>
Subject: [PATCH RFC v2 08/19] drm/mcde: dsi: simplify device_node management using scoped for_each variant
Date: Thu, 03 Sep 2026 10:11:11 +0200 [thread overview]
Message-ID: <20260903-drm-bridge-every-panel-v2-8-2ab8ee24538e@bootlin.com> (raw)
In-Reply-To: <20260903-drm-bridge-every-panel-v2-0-2ab8ee24538e@bootlin.com>
Before further modifying this function, simpify the struct device_node
management using the scoped variat of for_each_available_child_of_node().
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
---
drivers/gpu/drm/mcde/mcde_dsi.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/mcde/mcde_dsi.c b/drivers/gpu/drm/mcde/mcde_dsi.c
index 694372581840..ce078aa3910f 100644
--- a/drivers/gpu/drm/mcde/mcde_dsi.c
+++ b/drivers/gpu/drm/mcde/mcde_dsi.c
@@ -1076,7 +1076,6 @@ static int mcde_dsi_bind(struct device *dev, struct device *master,
struct drm_device *drm = data;
struct mcde *mcde = to_mcde(drm);
struct mcde_dsi *d = dev_get_drvdata(dev);
- struct device_node *child;
struct drm_panel *panel = NULL;
struct drm_bridge *bridge __free(drm_bridge_put) = NULL;
@@ -1104,7 +1103,7 @@ static int mcde_dsi_bind(struct device *dev, struct device *master,
}
/* Look for a panel as a child to this node */
- for_each_available_child_of_node(dev->of_node, child) {
+ for_each_available_child_of_node_scoped(dev->of_node, child) {
panel = of_drm_find_panel(child);
if (IS_ERR(panel)) {
dev_err(dev, "failed to find panel try bridge (%ld)\n",
@@ -1114,15 +1113,12 @@ static int mcde_dsi_bind(struct device *dev, struct device *master,
bridge = of_drm_find_and_get_bridge(child);
if (!bridge) {
dev_err(dev, "failed to find bridge\n");
- of_node_put(child);
return -EINVAL;
}
}
- if (panel || bridge) {
- of_node_put(child);
+ if (panel || bridge)
break;
- }
}
if (panel) {
bridge = drm_panel_bridge_add_typed(panel,
--
2.55.0
next prev parent reply other threads:[~2026-09-03 8:12 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-03 8:11 [PATCH RFC v2 00/19] drm/panel: embed a drm_bridge into every drm_panel Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 01/19] drm: of: move drm_of_find_panel_or_bridge() from drm_of.c to bridge/panel.c Luca Ceresoli
2026-09-03 9:51 ` Maxime Ripard
2026-09-03 13:42 ` Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 02/19] drm/bridge: panel: move to a new module Luca Ceresoli
2026-09-03 9:59 ` Maxime Ripard
2026-09-03 8:11 ` [PATCH RFC v2 03/19] drm/panel: " Luca Ceresoli
2026-09-03 9:59 ` Maxime Ripard
2026-09-03 8:11 ` [PATCH RFC v2 04/19] drm/bridge: panel: rename drm_bridge_is_panel() -> drm_bridge_is_panel_bridge() Luca Ceresoli
2026-09-03 13:59 ` Albert Esteve
2026-09-03 15:38 ` Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 05/19] drm/panel: embed a drm_bridge into every drm_panel Luca Ceresoli
2026-09-03 10:22 ` Maxime Ripard
2026-09-03 13:37 ` Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 06/19] drm/bridge: tc358767: don't create a panel_bridge Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 07/19] drm/bridge: waveshare-dsi: " Luca Ceresoli
2026-09-03 8:11 ` Luca Ceresoli [this message]
2026-09-03 8:11 ` [PATCH RFC v2 09/19] drm/mcde: dsi: remove unused includes Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 10/19] drm/mcde: dsi: don't create a panel_bridge Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 11/19] drm/bridge: fsl-ldb: " Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 12/19] drm/bridge: samsung-dsim: " Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 13/19] drm/bridge: tc358768: " Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 14/19] drm/bridge: ssd2825: " Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 15/19] drm/omap: dsi: remove unused includes Luca Ceresoli
2026-09-03 10:24 ` Maxime Ripard
2026-09-03 8:11 ` [PATCH RFC v2 16/19] drm/omap: dss: don't create a panel_bridge Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 17/19] drm/tve200: remove unused includes Luca Ceresoli
2026-09-03 10:25 ` Maxime Ripard
2026-09-03 8:11 ` [PATCH RFC v2 18/19] drm/tve200: don't create a panel_bridge Luca Ceresoli
2026-09-03 8:11 ` [PATCH RFC v2 19/19] drm/bridge: analogix_dp: " Luca Ceresoli
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