linux-kernel - [PATCH 04/10] panel/auo-a030jtn01: Use refcounted allocation in place of devm

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Message-Id: <20250401-b4-drm-panel-mass-driver-convert-v1-4-cdd7615e1f93@redhat.com>
Date: Tue, 01 Apr 2025 12:03:47 -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>, 
 Linus Walleij <linus.walleij@...aro.org>, Joel Selvaraj <jo@...amily.in>, 
 Douglas Anderson <dianders@...omium.org>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 04/10] panel/auo-a030jtn01: 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-auo-a030jtn01.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-auo-a030jtn01.c b/drivers/gpu/drm/panel/panel-auo-a030jtn01.c
index 77604d6a4e72c915c40575be0e47810c90b4ed71..83529b1c2bac2e29f41efaf4028950214b056a95 100644
--- a/drivers/gpu/drm/panel/panel-auo-a030jtn01.c
+++ b/drivers/gpu/drm/panel/panel-auo-a030jtn01.c
@@ -200,9 +200,10 @@ static int a030jtn01_probe(struct spi_device *spi)
 
 	spi->mode |= SPI_MODE_3 | SPI_3WIRE;
 
-	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
+	panel = devm_drm_panel_alloc(dev, struct a030jtn01, panel,
+				     &a030jtn01_funcs, DRM_MODE_CONNECTOR_DPI);
+	if (IS_ERR(panel))
+		return PTR_ERR(panel);
 
 	priv->spi = spi;
 	spi_set_drvdata(spi, priv);
@@ -223,9 +224,6 @@ static int a030jtn01_probe(struct spi_device *spi)
 	if (IS_ERR(priv->reset_gpio))
 		return dev_err_probe(dev, PTR_ERR(priv->reset_gpio), "Failed to get reset GPIO");
 
-	drm_panel_init(&priv->panel, dev, &a030jtn01_funcs,
-		       DRM_MODE_CONNECTOR_DPI);
-
 	err = drm_panel_of_backlight(&priv->panel);
 	if (err)
 		return err;

-- 
2.48.1