linux-kernel - [PATCH v2 30/30] panel/orisetech-ota5601a: Use refcounted allocation in place of devm

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Message-Id: <20250403-b4-drm_panel_mass_convert_part2-v2-30-260c8a44c56b@redhat.com>
Date: Thu, 03 Apr 2025 10:16:37 -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 30/30] panel/orisetech-ota5601a: 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-orisetech-ota5601a.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-orisetech-ota5601a.c b/drivers/gpu/drm/panel/panel-orisetech-ota5601a.c
index fc87f61d4400d49814953d7f453a7c6e84004f29..3231e84dc66c2bf319f5287fd53bc437e24e0d5b 100644
--- a/drivers/gpu/drm/panel/panel-orisetech-ota5601a.c
+++ b/drivers/gpu/drm/panel/panel-orisetech-ota5601a.c
@@ -237,9 +237,11 @@ static int ota5601a_probe(struct spi_device *spi)
 	struct ota5601a *panel;
 	int err;
 
-	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
-	if (!panel)
-		return -ENOMEM;
+	panel = devm_drm_panel_alloc(dev, struct ota5601a, drm_panel,
+				     &ota5601a_funcs,
+				     DRM_MODE_CONNECTOR_DPI);
+	if (IS_ERR(panel))
+		return PTR_ERR(panel);
 
 	spi_set_drvdata(spi, panel);
 
@@ -273,9 +275,6 @@ static int ota5601a_probe(struct spi_device *spi)
 		return PTR_ERR(panel->map);
 	}
 
-	drm_panel_init(&panel->drm_panel, dev, &ota5601a_funcs,
-		       DRM_MODE_CONNECTOR_DPI);
-
 	err = drm_panel_of_backlight(&panel->drm_panel);
 	if (err) {
 		if (err != -EPROBE_DEFER)

-- 
2.48.1