Re: [PATCH v3 2/5] reset: Instantiate reset GPIO controller for shared reset-gpios

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On 17/01/2024 12:26, Philipp Zabel wrote:
> On Fr, 2024-01-12 at 17:36 +0100, Krzysztof Kozlowski wrote:
> [...]
>>  struct reset_control *
>>  __of_reset_control_get(struct device_node *node, const char *id, int index,
>>  		       bool shared, bool optional, bool acquired)
>>  {
>> +	struct of_phandle_args args = {0};
>> +	bool gpio_fallback = false;
>>  	struct reset_control *rstc;
>> -	struct reset_controller_dev *r, *rcdev;
>> -	struct of_phandle_args args;
>> +	struct reset_controller_dev *rcdev;
>>  	int rstc_id;
>>  	int ret;
>>  
>> @@ -839,39 +1028,49 @@ __of_reset_control_get(struct device_node *node, const char *id, int index,
>>  					 index, &args);
>>  	if (ret == -EINVAL)
>>  		return ERR_PTR(ret);
>> -	if (ret)
>> -		return optional ? NULL : ERR_PTR(ret);
>> +	if (ret) {
> 
> I think this should continue to return optional ? NULL : ERR_PTR(ret)
> if !IS_ENABLED(CONFIG_RESET_GPIO), for example by just skipping the
> of_parse_phandle_with_args(). That should allow the GPIO fallback in
> patch 5 to work as expected.
> 

ack

Best regards,
Krzysztof




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