pinctrl: intel: Make use of for_each_requested_gpio_in_range()

Make use of for_each_requested_gpio_in_range() instead of home grown analogue.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/pinctrl/intel/pinctrl-intel.c

@@ -1628,19 +1628,6 @@ static void intel_gpio_irq_init(struct intel_pinctrl *pctrl)
 	}
 }
 
-static u32
-intel_gpio_is_requested(struct gpio_chip *chip, int base, unsigned int size)
-{
-	u32 requested = 0;
-	unsigned int i;
-
-	for (i = 0; i < size; i++)
-		if (gpiochip_is_requested(chip, base + i))
-			requested |= BIT(i);
-
-	return requested;
-}
-
 static bool intel_gpio_update_reg(void __iomem *reg, u32 mask, u32 value)
 {
 	u32 curr, updated;
@@ -1661,12 +1648,16 @@ static void intel_restore_hostown(struct intel_pinctrl *pctrl, unsigned int c,
 	const struct intel_community *community = &pctrl->communities[c];
 	const struct intel_padgroup *padgrp = &community->gpps[gpp];
 	struct device *dev = pctrl->dev;
-	u32 requested;
+	const char *dummy;
+	u32 requested = 0;
+	unsigned int i;
 
 	if (padgrp->gpio_base == INTEL_GPIO_BASE_NOMAP)
 		return;
 
-	requested = intel_gpio_is_requested(&pctrl->chip, padgrp->gpio_base, padgrp->size);
+	for_each_requested_gpio_in_range(&pctrl->chip, i, padgrp->gpio_base, padgrp->size, dummy)
+		requested |= BIT(i);
+
 	if (!intel_gpio_update_reg(base + gpp * 4, requested, saved))
 		return;