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SubjectRe: [PATCH v4 05/13] pinctrl: samsung: Switch to use for_each_gpiochip_node() helper
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On 01/04/2022 12:35, Andy Shevchenko wrote:
> Switch the code to use for_each_gpiochip_node() helper.
>

(...)

> /*
> * Iterate over all driver pin banks to find one matching the name of node,
> * skipping optional "-gpio" node suffix. When found, assign node to the bank.
> */
> -static void samsung_banks_of_node_get(struct device *dev,
> - struct samsung_pinctrl_drv_data *d,
> - struct device_node *node)
> +static void samsung_banks_node_get(struct device *dev, struct samsung_pinctrl_drv_data *d)

This is worth simplification anyway, so please split it to separate patch.

> {
> const char *suffix = "-gpio-bank";
> struct samsung_pin_bank *bank;
> - struct device_node *child;
> + struct fwnode_handle *child;
> /* Pin bank names are up to 4 characters */
> char node_name[20];
> unsigned int i;
> @@ -1038,17 +1037,17 @@ static void samsung_banks_of_node_get(struct device *dev,
> continue;
> }
>
> - for_each_child_of_node(node, child) {
> - if (!of_find_property(child, "gpio-controller", NULL))
> - continue;

This does not look equivalent. There are nodes without this property.

> - if (of_node_name_eq(child, node_name))
> + for_each_gpiochip_node(dev, child) {
> + struct device_node *np = to_of_node(child);
> +
> + if (of_node_name_eq(np, node_name))
> break;
> - else if (of_node_name_eq(child, bank->name))
> + if (of_node_name_eq(np, bank->name))
> break;
> }

This patch has to wait till someone provides you a tested-by. I might do
it around next week.

Best regards,
Krzysztof

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