Re: [PATCH v1 2/5] pinctrl: stm32: Replace custom code by gpiochip_count() call

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Hi Andy

Thank you for your the clarification.


On 25/03/2022 21:03, Andy Shevchenko wrote:
Since we have generic function to count GPIO controller nodes
under given device, there is no need to open code it. Replace
custom code by gpiochip_count() call.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
  drivers/pinctrl/stm32/pinctrl-stm32.c | 8 +++-----
  1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 9ed764731570..d4bbeec82c1f 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -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_count(dev);
  	if (!banks) {
  		dev_err(dev, "at least one GPIO bank is required\n");
  		return -EINVAL;

Reviewed-by: Fabien Dessenne <fabien.dessenne@xxxxxxxxxxx>



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