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charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251126-feature_tilcdc-v1-18-49b9ef2e3aa0@bootlin.com> References: <20251126-feature_tilcdc-v1-0-49b9ef2e3aa0@bootlin.com> In-Reply-To: <20251126-feature_tilcdc-v1-0-49b9ef2e3aa0@bootlin.com> To: Jyri Sarha , Tomi Valkeinen , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Russell King , Bartosz Golaszewski , Tony Lindgren , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec Cc: Markus Schneider-Pargmann , Luca Ceresoli , Louis Chauvet , Thomas Petazzoni , Miguel Gazquez , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, "Kory Maincent (TI.com)" X-Mailer: b4 0.14.3 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251126_164217_018478_311C02D7 X-CRM114-Status: GOOD ( 16.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that tda998x_create and tda998x_destroy are called only in the probe function, there is no need for separate functions. Move the code into the tda998x_probe and tda998x_remove functions. Rewrite the cleanup path using goto calls in probe and reorder it in the remove function. Signed-off-by: Kory Maincent (TI.com) --- drivers/gpu/drm/bridge/tda998x_drv.c | 99 +++++++++++++++++++----------------- 1 file changed, 51 insertions(+), 48 deletions(-) diff --git a/drivers/gpu/drm/bridge/tda998x_drv.c b/drivers/gpu/drm/bridge/tda998x_drv.c index 865285ba2bd8c..4be49dd5bfc01 100644 --- a/drivers/gpu/drm/bridge/tda998x_drv.c +++ b/drivers/gpu/drm/bridge/tda998x_drv.c @@ -1748,38 +1748,20 @@ static int tda998x_get_audio_ports(struct tda998x_priv *priv, return 0; } -static void tda998x_destroy(struct device *dev) -{ - struct tda998x_priv *priv = dev_get_drvdata(dev); - - drm_bridge_remove(&priv->bridge); - - /* disable all IRQs and free the IRQ handler */ - cec_write(priv, REG_CEC_RXSHPDINTENA, 0); - reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); - - if (priv->audio_pdev) - platform_device_unregister(priv->audio_pdev); - - if (priv->hdmi->irq) - free_irq(priv->hdmi->irq, priv); - - timer_delete_sync(&priv->edid_delay_timer); - cancel_work_sync(&priv->detect_work); - - i2c_unregister_device(priv->cec); - - cec_notifier_conn_unregister(priv->cec_notify); -} - -static int tda998x_create(struct device *dev) +static int +tda998x_probe(struct i2c_client *client) { - struct i2c_client *client = to_i2c_client(dev); struct device_node *np = client->dev.of_node; + struct device *dev = &client->dev; struct i2c_board_info cec_info; struct tda998x_priv *priv; - u32 video; int rev_lo, rev_hi, ret; + u32 video; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + dev_warn(&client->dev, "adapter does not support I2C\n"); + return -EIO; + } priv = devm_drm_bridge_alloc(dev, struct tda998x_priv, bridge, &tda998x_bridge_funcs); if (IS_ERR(priv)) @@ -1814,13 +1796,15 @@ static int tda998x_create(struct device *dev) rev_lo = reg_read(priv, REG_VERSION_LSB); if (rev_lo < 0) { dev_err(dev, "failed to read version: %d\n", rev_lo); - return rev_lo; + ret = rev_lo; + goto cancel_work; } rev_hi = reg_read(priv, REG_VERSION_MSB); if (rev_hi < 0) { dev_err(dev, "failed to read version: %d\n", rev_hi); - return rev_hi; + ret = rev_hi; + goto cancel_work; } priv->rev = rev_lo | rev_hi << 8; @@ -1843,7 +1827,8 @@ static int tda998x_create(struct device *dev) break; default: dev_err(dev, "found unsupported device: %04x\n", priv->rev); - return -ENXIO; + ret = -ENXIO; + goto cancel_work; } /* after reset, enable DDC: */ @@ -1887,7 +1872,7 @@ static int tda998x_create(struct device *dev) if (ret) { dev_err(dev, "failed to request IRQ#%u: %d\n", client->irq, ret); - goto err_irq; + goto cancel_work; } /* enable HPD irq */ @@ -1897,7 +1882,7 @@ static int tda998x_create(struct device *dev) priv->cec_notify = cec_notifier_conn_register(dev, NULL, NULL); if (!priv->cec_notify) { ret = -ENOMEM; - goto fail; + goto free_irq; } priv->cec_glue.parent = dev; @@ -1924,7 +1909,7 @@ static int tda998x_create(struct device *dev) priv->cec = i2c_new_client_device(client->adapter, &cec_info); if (IS_ERR(priv->cec)) { ret = PTR_ERR(priv->cec); - goto fail; + goto notifier_conn_unregister; } /* enable EDID read irq: */ @@ -1941,7 +1926,7 @@ static int tda998x_create(struct device *dev) ret = tda998x_get_audio_ports(priv, np); if (ret) - goto fail; + goto unregister_dev; if (priv->audio_port_enable[AUDIO_ROUTE_I2S] || priv->audio_port_enable[AUDIO_ROUTE_SPDIF]) @@ -1956,26 +1941,44 @@ static int tda998x_create(struct device *dev) return 0; -fail: - tda998x_destroy(dev); -err_irq: +unregister_dev: + i2c_unregister_device(priv->cec); +notifier_conn_unregister: + cec_notifier_conn_unregister(priv->cec_notify); +free_irq: + if (client->irq) { + free_irq(client->irq, priv); + cec_write(priv, REG_CEC_RXSHPDINTENA, 0); + reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); + } +cancel_work: + timer_delete_sync(&priv->edid_delay_timer); + cancel_work_sync(&priv->detect_work); return ret; } -static int -tda998x_probe(struct i2c_client *client) +static void tda998x_remove(struct i2c_client *client) { - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - dev_warn(&client->dev, "adapter does not support I2C\n"); - return -EIO; - } + struct tda998x_priv *priv = dev_get_drvdata(&client->dev); - return tda998x_create(&client->dev); -} + drm_bridge_remove(&priv->bridge); -static void tda998x_remove(struct i2c_client *client) -{ - tda998x_destroy(&client->dev); + if (priv->audio_pdev) + platform_device_unregister(priv->audio_pdev); + + i2c_unregister_device(priv->cec); + + cec_notifier_conn_unregister(priv->cec_notify); + + /* disable all IRQs and free the IRQ handler */ + if (client->irq) { + cec_write(priv, REG_CEC_RXSHPDINTENA, 0); + reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); + free_irq(priv->hdmi->irq, priv); + } + + timer_delete_sync(&priv->edid_delay_timer); + cancel_work_sync(&priv->detect_work); } #ifdef CONFIG_OF -- 2.43.0