On 06/09/2024 13:50, Andrei Stefanescu wrote: > On 06/09/2024 12:53, Krzysztof Kozlowski wrote: >> 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 >> > > By order I mean the order in which the memory region descriptions are laid out > in the reg property. Currently, there is no issue if we, let's say, swap the order > of opads0 and opads1(as long as we keep the same change for the reg-names). You cannot swap them. Order of items is fixed. > > Just to double check, this would imply adding a new wrapper named > `devm_platform_get_and_ioremap_resource_byname` which would basically be > very similar to `devm_platform_get_and_ioremap_resource`. Is that ok? That's ok for me. Best regards, Krzysztof