Re: [PATCH 2/3] drivers: gpio: siul2-s32g2: add NXP S32G2/S32G3 SoCs support

[Krzysztof Kozlowski <krzk@kernel.org>]

On 06/09/2024 11:45, Andrei Stefanescu wrote:
> On 06/09/2024 12:39, Krzysztof Kozlowski wrote:
>> On 06/09/2024 10:43, Andrei Stefanescu wrote:
>>> Hi Krzysztof,
>>>
>>>
>>>>> +static struct regmap *common_regmap_init(struct platform_device *pdev,
>>>>> +					 struct regmap_config *conf,
>>>>> +					 const char *name)
>>>>> +{
>>>>> +	struct device *dev = &pdev->dev;
>>>>> +	struct resource *res;
>>>>> +	resource_size_t size;
>>>>> +	void __iomem *base;
>>>>> +
>>>>> +	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
>>>>> +	if (!res) {
>>>>> +		dev_err(&pdev->dev, "Failed to get MEM resource: %s\n", name);
>>>>> +		return ERR_PTR(-EINVAL);
>>>>> +	}
>>>>> +
>>>>> +	base = devm_ioremap_resource(dev, res);
>>>>
>>>> There is a wrapper for both calls above, so use it.
>>>
>>> I am not sure I can change this because I also use the `resource_size`
>>> call below in order to initialize the regmap_config. 
>>> Unfortunately, `devm_platform_ioremap_resource_byname` doesn't also retrieve
>>> the resource via a pointer.
>>>
>>> I saw the `devm_platform_get_and_ioremap_resource` function but that one
>>> retrieves the resource based on the index. I would like to keep identifying
>>> the resource by its name instead of its index.
>>
>> So add the wrapper. Or explain what's wrong with indices?
> 
> There's nothing wrong but I prefer to not force an order. I will
> add a wrapper then.

Order is forced. You cannot change it. I don't understand your rationale.

Best regards,
Krzysztof