Re: [PATCH v2 1/5] interconnect: Add devm_of_icc_get_by_index() as exported API for users

[Georgi Djakov <djakov@kernel.org>]

On 5/8/26 4:32 AM, Bjorn Andersson wrote:
> On Fri, May 01, 2026 at 11:18:29AM +0200, Luca Weiss wrote:
>> Users can use devm version of of_icc_get_by_index() to benefit from
>> automatic resource release.
>>
>> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
>> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
> 
> Georgi, can I have an ack on this, or an immutable branch and a ping
> once it's available?

Hi Bjorn, please apply it.

Acked-by: Georgi Djakov <djakov@kernel.org>

Thanks,
Georgi
> 
> Thanks,
> Bjorn
> 
>> ---
>>   drivers/interconnect/core.c  | 20 ++++++++++++++++++++
>>   include/linux/interconnect.h |  6 ++++++
>>   2 files changed, 26 insertions(+)
>>
>> diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
>> index 8569b78a1851..bc2e416dbcb2 100644
>> --- a/drivers/interconnect/core.c
>> +++ b/drivers/interconnect/core.c
>> @@ -443,6 +443,26 @@ struct icc_path *devm_of_icc_get(struct device *dev, const char *name)
>>   }
>>   EXPORT_SYMBOL_GPL(devm_of_icc_get);
>>   
>> +struct icc_path *devm_of_icc_get_by_index(struct device *dev, int idx)
>> +{
>> +	struct icc_path **ptr, *path;
>> +
>> +	ptr = devres_alloc(devm_icc_release, sizeof(*ptr), GFP_KERNEL);
>> +	if (!ptr)
>> +		return ERR_PTR(-ENOMEM);
>> +
>> +	path = of_icc_get_by_index(dev, idx);
>> +	if (!IS_ERR(path)) {
>> +		*ptr = path;
>> +		devres_add(dev, ptr);
>> +	} else {
>> +		devres_free(ptr);
>> +	}
>> +
>> +	return path;
>> +}
>> +EXPORT_SYMBOL_GPL(devm_of_icc_get_by_index);
>> +
>>   /**
>>    * of_icc_get_by_index() - get a path handle from a DT node based on index
>>    * @dev: device pointer for the consumer device
>> diff --git a/include/linux/interconnect.h b/include/linux/interconnect.h
>> index 4b12821528a6..75a32ad0482e 100644
>> --- a/include/linux/interconnect.h
>> +++ b/include/linux/interconnect.h
>> @@ -47,6 +47,7 @@ struct icc_path *of_icc_get(struct device *dev, const char *name);
>>   struct icc_path *devm_of_icc_get(struct device *dev, const char *name);
>>   int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths);
>>   struct icc_path *of_icc_get_by_index(struct device *dev, int idx);
>> +struct icc_path *devm_of_icc_get_by_index(struct device *dev, int idx);
>>   void icc_put(struct icc_path *path);
>>   int icc_enable(struct icc_path *path);
>>   int icc_disable(struct icc_path *path);
>> @@ -79,6 +80,11 @@ static inline struct icc_path *of_icc_get_by_index(struct device *dev, int idx)
>>   	return NULL;
>>   }
>>   
>> +static inline struct icc_path *devm_of_icc_get_by_index(struct device *dev, int idx)
>> +{
>> +	return NULL;
>> +}
>> +
>>   static inline void icc_put(struct icc_path *path)
>>   {
>>   }
>>
>> -- 
>> 2.54.0
>>