linux-kernel - [PATCH] drm: panel: nt36523: use devm_mipi_dsi

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Message-ID: <20240904142907.367786-1-lujianhua000@gmail.com>
Date: Wed,  4 Sep 2024 22:29:07 +0800
From: Jianhua Lu <lujianhua000@...il.com>
To: Jianhua Lu <lujianhua000@...il.com>,
	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>
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drm: panel: nt36523: use devm_mipi_dsi_* function to register and attach dsi

Switch to devm_mipi_dsi_* function, we don't need to detach and
unregister dsi manually any more.

Signed-off-by: Jianhua Lu <lujianhua000@...il.com>
---
 drivers/gpu/drm/panel/panel-novatek-nt36523.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
index 18bd2ee71201..04f1d2676c78 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
@@ -1095,18 +1095,6 @@ static int nt36523_unprepare(struct drm_panel *panel)
 static void nt36523_remove(struct mipi_dsi_device *dsi)
 {
 	struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
-	int ret;
-
-	ret = mipi_dsi_detach(pinfo->dsi[0]);
-	if (ret < 0)
-		dev_err(&dsi->dev, "failed to detach from DSI0 host: %d\n", ret);
-
-	if (pinfo->desc->is_dual_dsi) {
-		ret = mipi_dsi_detach(pinfo->dsi[1]);
-		if (ret < 0)
-			dev_err(&pinfo->dsi[1]->dev, "failed to detach from DSI1 host: %d\n", ret);
-		mipi_dsi_device_unregister(pinfo->dsi[1]);
-	}
 
 	drm_panel_remove(&pinfo->panel);
 }
@@ -1251,7 +1239,7 @@ static int nt36523_probe(struct mipi_dsi_device *dsi)
 		if (!dsi1_host)
 			return dev_err_probe(dev, -EPROBE_DEFER, "cannot get secondary DSI host\n");
 
-		pinfo->dsi[1] = mipi_dsi_device_register_full(dsi1_host, info);
+		pinfo->dsi[1] = devm_mipi_dsi_device_register_full(dev, dsi1_host, info);
 		if (IS_ERR(pinfo->dsi[1])) {
 			dev_err(dev, "cannot get secondary DSI device\n");
 			return PTR_ERR(pinfo->dsi[1]);
@@ -1288,7 +1276,7 @@ static int nt36523_probe(struct mipi_dsi_device *dsi)
 		pinfo->dsi[i]->format = pinfo->desc->format;
 		pinfo->dsi[i]->mode_flags = pinfo->desc->mode_flags;
 
-		ret = mipi_dsi_attach(pinfo->dsi[i]);
+		ret = devm_mipi_dsi_attach(dev, pinfo->dsi[i]);
 		if (ret < 0)
 			return dev_err_probe(dev, ret, "cannot attach to DSI%d host.\n", i);
 	}
-- 
2.46.0