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pinctrl: stm32: Replace custom code by gpiochip_node_count() call

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Since we have generic function to count GPIO controller nodes
under a given device, there is no need to open code it. Replace
custom code by gpiochip_node_count() call.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
This commit is contained in:
Andy Shevchenko 2022-04-01 13:35:54 +03:00
parent 0b19dde90a
commit d9463201ec
1 changed files with 3 additions and 5 deletions
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8
drivers/pinctrl/stm32/pinctrl-stm32.c
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@ -1423,7 +1423,8 @@ int stm32_pctl_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct stm32_pinctrl *pctl;
struct pinctrl_pin_desc *pins;
int i, ret, hwlock_id, banks = 0;
int i, ret, hwlock_id;
unsigned int banks;
if (!np)
return -EINVAL;
@ -1513,10 +1514,7 @@ int stm32_pctl_probe(struct platform_device *pdev)
return PTR_ERR(pctl->pctl_dev);
}
for_each_available_child_of_node(np, child)
if (of_property_read_bool(child, "gpio-controller"))
banks++;
banks = gpiochip_node_count(dev);
if (!banks) {
dev_err(dev, "at least one GPIO bank is required\n");
return -EINVAL;