linux-kernel - [PATCH v5 07/10] drm/rockchip: inno_hdmi: switch i2c registration to devm functions

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Message-ID: <20250512124615.2848731-8-andyshrk@163.com>
Date: Mon, 12 May 2025 20:46:08 +0800
From: Andy Yan <andyshrk@....com>
To: dmitry.baryshkov@....qualcomm.com,
	heiko@...ech.de
Cc: jonas@...boo.se,
	Laurent.pinchart@...asonboard.com,
	mripard@...nel.org,
	neil.armstrong@...aro.org,
	hjc@...k-chips.com,
	tzimmermann@...e.de,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	Andy Yan <andy.yan@...k-chips.com>
Subject: [PATCH v5 07/10] drm/rockchip: inno_hdmi: switch i2c registration to devm functions

From: Andy Yan <andy.yan@...k-chips.com>

Switch from i2c_add_adapter() to resource managed
devm_i2c_add_adapter(), which will make the cleanup code more simpler.

Signed-off-by: Andy Yan <andy.yan@...k-chips.com>

---

Changes in v5:
- Split from PATCH 9/10

 drivers/gpu/drm/rockchip/inno_hdmi.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index f362803060796..776a2aa74e49c 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -1230,10 +1230,9 @@ static struct i2c_adapter *inno_hdmi_i2c_adapter(struct inno_hdmi *hdmi)
 	strscpy(adap->name, "Inno HDMI", sizeof(adap->name));
 	i2c_set_adapdata(adap, hdmi);
 
-	ret = i2c_add_adapter(adap);
+	ret = devm_i2c_add_adapter(hdmi->dev, adap);
 	if (ret) {
 		dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name);
-		devm_kfree(hdmi->dev, i2c);
 		return ERR_PTR(ret);
 	}
 
@@ -1316,7 +1315,7 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
 
 	ret = inno_hdmi_register(drm, hdmi);
 	if (ret)
-		goto err_put_adapter;
+		goto err_disable_clk;
 
 	dev_set_drvdata(dev, hdmi);
 
@@ -1330,8 +1329,6 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
 err_cleanup_hdmi:
 	hdmi->connector.funcs->destroy(&hdmi->connector);
 	hdmi->encoder.encoder.funcs->destroy(&hdmi->encoder.encoder);
-err_put_adapter:
-	i2c_put_adapter(hdmi->ddc);
 err_disable_clk:
 	clk_disable_unprepare(hdmi->refclk);
 err_disable_pclk:
@@ -1347,7 +1344,6 @@ static void inno_hdmi_unbind(struct device *dev, struct device *master,
 	hdmi->connector.funcs->destroy(&hdmi->connector);
 	hdmi->encoder.encoder.funcs->destroy(&hdmi->encoder.encoder);
 
-	i2c_put_adapter(hdmi->ddc);
 	clk_disable_unprepare(hdmi->refclk);
 	clk_disable_unprepare(hdmi->pclk);
 }
-- 
2.43.0