The auxiliary device creation of this driver is simple enough to use the available auxiliary device creation helper. Use it and remove some boilerplate code. Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx> --- drivers/gpu/drm/bridge/ti-sn65dsi86.c | 84 +++++++++-------------------------- 1 file changed, 20 insertions(+), 64 deletions(-) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index e4d9006b59f1b975cf63e26b221e985206caf867..e583b8ba1fd4f27d98e03d4382e0417bbd50436f 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -454,62 +454,6 @@ static void ti_sn65dsi86_debugfs_init(struct ti_sn65dsi86 *pdata) debugfs_create_file("status", 0600, debugfs, pdata, &status_fops); } -/* ----------------------------------------------------------------------------- - * Auxiliary Devices (*not* AUX) - */ - -static void ti_sn65dsi86_uninit_aux(void *data) -{ - auxiliary_device_uninit(data); -} - -static void ti_sn65dsi86_delete_aux(void *data) -{ - auxiliary_device_delete(data); -} - -static void ti_sn65dsi86_aux_device_release(struct device *dev) -{ - struct auxiliary_device *aux = container_of(dev, struct auxiliary_device, dev); - - kfree(aux); -} - -static int ti_sn65dsi86_add_aux_device(struct ti_sn65dsi86 *pdata, - struct auxiliary_device **aux_out, - const char *name) -{ - struct device *dev = pdata->dev; - struct auxiliary_device *aux; - int ret; - - aux = kzalloc(sizeof(*aux), GFP_KERNEL); - if (!aux) - return -ENOMEM; - - aux->name = name; - aux->dev.parent = dev; - aux->dev.release = ti_sn65dsi86_aux_device_release; - device_set_of_node_from_dev(&aux->dev, dev); - ret = auxiliary_device_init(aux); - if (ret) { - kfree(aux); - return ret; - } - ret = devm_add_action_or_reset(dev, ti_sn65dsi86_uninit_aux, aux); - if (ret) - return ret; - - ret = auxiliary_device_add(aux); - if (ret) - return ret; - ret = devm_add_action_or_reset(dev, ti_sn65dsi86_delete_aux, aux); - if (!ret) - *aux_out = aux; - - return ret; -} - /* ----------------------------------------------------------------------------- * AUX Adapter */ @@ -671,7 +615,12 @@ static int ti_sn_aux_probe(struct auxiliary_device *adev, * The eDP to MIPI bridge parts don't work until the AUX channel is * setup so we don't add it in the main driver probe, we add it now. */ - return ti_sn65dsi86_add_aux_device(pdata, &pdata->bridge_aux, "bridge"); + pdata->bridge_aux = devm_auxiliary_device_create(pdata->dev, "bridge", + NULL, 0); + if (IS_ERR(pdata->bridge_aux)) + return PTR_ERR(pdata->bridge_aux); + + return 0; } static const struct auxiliary_device_id ti_sn_aux_id_table[] = { @@ -1950,15 +1899,17 @@ static int ti_sn65dsi86_probe(struct i2c_client *client) */ if (IS_ENABLED(CONFIG_OF_GPIO)) { - ret = ti_sn65dsi86_add_aux_device(pdata, &pdata->gpio_aux, "gpio"); - if (ret) - return ret; + pdata->gpio_aux = devm_auxiliary_device_create(pdata->dev, "gpio", + NULL, 0); + if (IS_ERR(pdata->gpio_aux)) + return PTR_ERR(pdata->gpio_aux); } if (IS_ENABLED(CONFIG_PWM)) { - ret = ti_sn65dsi86_add_aux_device(pdata, &pdata->pwm_aux, "pwm"); - if (ret) - return ret; + pdata->pwm_aux = devm_auxiliary_device_create(pdata->dev, "pwm", + NULL, 0); + if (IS_ERR(pdata->pwm_aux)) + return PTR_ERR(pdata->pwm_aux); } /* @@ -1967,7 +1918,12 @@ static int ti_sn65dsi86_probe(struct i2c_client *client) * AUX channel is there and this is a very simple solution to the * dependency problem. */ - return ti_sn65dsi86_add_aux_device(pdata, &pdata->aux_aux, "aux"); + pdata->aux_aux = devm_auxiliary_device_create(pdata->dev, "aux", + NULL, 0); + if (IS_ERR(pdata->aux_aux)) + return PTR_ERR(pdata->aux_aux); + + return 0; } static const struct i2c_device_id ti_sn65dsi86_id[] = { -- 2.45.2