linux-kernel - [PATCH 24/46] panel/sharp-ls037v7dw01: Use refcounted allocation in place of devm

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Message-Id: <20250403-b4-drm_panel_mass_driver_convert_part3-v1-24-965b15ad5b8e@redhat.com>
Date: Thu, 03 Apr 2025 16:20:55 -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>, 
 Robert Chiras <robert.chiras@....com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Markuss Broks <markuss.broks@...il.com>, 
 Artur Weber <aweber.kernel@...il.com>, 
 Dzmitry Sankouski <dsankouski@...il.com>, 
 Jagan Teki <jagan@...rulasolutions.com>, 
 Guido Günther <agx@...xcpu.org>, 
 Purism Kernel Team <kernel@...i.sm>, Ondrej Jirman <megi@....cz>, 
 Sasha Finkelstein <fnkl.kernel@...il.com>, Janne Grunau <j@...nau.net>, 
 Michael Trimarchi <michael@...rulasolutions.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 asahi@...ts.linux.dev, Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 24/46] panel/sharp-ls037v7dw01: 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>
---
 drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c
index a9673a52b861553792c9814da54a08043eb773e8..938beac4655d0bad6deaf93c7c1957403a446f20 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls037v7dw01.c
@@ -138,9 +138,10 @@ static int ls037v7dw01_probe(struct platform_device *pdev)
 {
 	struct ls037v7dw01_panel *lcd;
 
-	lcd = devm_kzalloc(&pdev->dev, sizeof(*lcd), GFP_KERNEL);
-	if (!lcd)
-		return -ENOMEM;
+	lcd = devm_drm_panel_alloc(&pdev->dev, struct ls037v7dw01_panel, panel,
+				   &ls037v7dw01_funcs, DRM_MODE_CONNECTOR_DPI);
+	if (IS_ERR(lcd))
+		return PTR_ERR(lcd);
 
 	platform_set_drvdata(pdev, lcd);
 	lcd->pdev = pdev;
@@ -181,9 +182,6 @@ static int ls037v7dw01_probe(struct platform_device *pdev)
 		return PTR_ERR(lcd->ud_gpio);
 	}
 
-	drm_panel_init(&lcd->panel, &pdev->dev, &ls037v7dw01_funcs,
-		       DRM_MODE_CONNECTOR_DPI);
-
 	drm_panel_add(&lcd->panel);
 
 	return 0;

-- 
2.48.1