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

From: Krzysztof Kozlowski
Date: Fri Sep 06 2024 - 05:41:34 EST


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?

>
> Would you agree to keep the existing implementation in this case?
Best regards,
Krzysztof