Re: Re: [PATCH] drm: bridge: adv7511: Add check for mipi_dsi_driver_register

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On Wed, Jun 01, 2022 at 02:52:00PM +0800, Laurent Pinchart wrote:
>>  static int __init adv7511_init(void)
>>  {
>> -	if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
>> -		mipi_dsi_driver_register(&adv7533_dsi_driver);
>> +	int ret;
>> +
>> +	if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) {
>> +		ret = mipi_dsi_driver_register(&adv7533_dsi_driver);
>> +		if (ret)
>> +			return ret;
>> +	}
>>  
>>  	return i2c_add_driver(&adv7511_driver);
> 
> While at it, should this then call mipi_dsi_driver_unregister() on
> failure ?

Well, as far as I am concerned, the adv7511_exit() in the same file has already dealt with the issue.
Therefore, it might not be necessary to add another mipi_dsi_driver_unregister().

Thanks,
Jiang




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