linux-kernel - [PATCH v2 11/30] panel/innolux-ej030na: Use refcounted allocation in place of devm

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Message-Id: <20250403-b4-drm_panel_mass_convert_part2-v2-11-260c8a44c56b@redhat.com>
Date: Thu, 03 Apr 2025 10:16:18 -0400
From: Anusha Srivatsa <asrivats@...hat.com>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Icenowy Zheng <icenowy@...c.io>, Jagan Teki <jagan@...rulasolutions.com>, 
 Ondrej Jirman <megi@....cz>, Javier Martinez Canillas <javierm@...hat.com>, 
 Michael Trimarchi <michael@...rulasolutions.com>, 
 Michael Walle <mwalle@...nel.org>, Jagan Teki <jagan@...eble.ai>, 
 Guido Günther <agx@...xcpu.org>, 
 Purism Kernel Team <kernel@...i.sm>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Jianhua Lu <lujianhua000@...il.com>, Stefan Mavrodiev <stefan@...mex.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH v2 11/30] panel/innolux-ej030na: Use refcounted allocation
 in place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel.

Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
v2: none.
---
 drivers/gpu/drm/panel/panel-innolux-ej030na.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-innolux-ej030na.c b/drivers/gpu/drm/panel/panel-innolux-ej030na.c
index f85b7a4cbb4206bea7b5a019ba1de1dd05b13fe2..b2309900873b28f98707f79f4332763369a27d72 100644
--- a/drivers/gpu/drm/panel/panel-innolux-ej030na.c
+++ b/drivers/gpu/drm/panel/panel-innolux-ej030na.c
@@ -204,9 +204,11 @@ static int ej030na_probe(struct spi_device *spi)
 	struct ej030na *priv;
 	int err;
 
-	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
+	priv = devm_drm_panel_alloc(dev, struct ej030na, panel,
+				    &ej030na_funcs,
+				    DRM_MODE_CONNECTOR_DPI);
+	if (IS_ERR(priv))
+		return PTR_ERR(priv);
 
 	priv->spi = spi;
 	spi_set_drvdata(spi, priv);
@@ -231,9 +233,6 @@ static int ej030na_probe(struct spi_device *spi)
 		return dev_err_probe(dev, PTR_ERR(priv->reset_gpio),
 				     "Failed to get reset GPIO\n");
 
-	drm_panel_init(&priv->panel, dev, &ej030na_funcs,
-		       DRM_MODE_CONNECTOR_DPI);
-
 	err = drm_panel_of_backlight(&priv->panel);
 	if (err)
 		return err;

-- 
2.48.1