pinctrl: nomadik: Staticize non-exported symbols

They are not referenced outside of this file, make them static.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-nomadik.c

@@ -1286,8 +1286,8 @@ void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up)
 	}
 }
 
-int nmk_gpio_irq_map(struct irq_domain *d, unsigned int irq,
-			  irq_hw_number_t hwirq)
+static int nmk_gpio_irq_map(struct irq_domain *d, unsigned int irq,
+			    irq_hw_number_t hwirq)
 {
 	struct nmk_gpio_chip *nmk_chip = d->host_data;
 
@@ -1671,9 +1671,9 @@ static void nmk_pmx_disable(struct pinctrl_dev *pctldev,
 	dev_dbg(npct->dev, "disable group %s, %u pins\n", g->name, g->npins);
 }
 
-int nmk_gpio_request_enable(struct pinctrl_dev *pctldev,
-			    struct pinctrl_gpio_range *range,
-			    unsigned offset)
+static int nmk_gpio_request_enable(struct pinctrl_dev *pctldev,
+				   struct pinctrl_gpio_range *range,
+				   unsigned offset)
 {
 	struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev);
 	struct nmk_gpio_chip *nmk_chip;
@@ -1702,9 +1702,9 @@ int nmk_gpio_request_enable(struct pinctrl_dev *pctldev,
 	return 0;
 }
 
-void nmk_gpio_disable_free(struct pinctrl_dev *pctldev,
-			   struct pinctrl_gpio_range *range,
-			   unsigned offset)
+static void nmk_gpio_disable_free(struct pinctrl_dev *pctldev,
+				  struct pinctrl_gpio_range *range,
+				  unsigned offset)
 {
 	struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev);
 
@@ -1722,17 +1722,15 @@ static struct pinmux_ops nmk_pinmux_ops = {
 	.gpio_disable_free = nmk_gpio_disable_free,
 };
 
-int nmk_pin_config_get(struct pinctrl_dev *pctldev,
-		       unsigned pin,
-		       unsigned long *config)
+static int nmk_pin_config_get(struct pinctrl_dev *pctldev, unsigned pin,
+			      unsigned long *config)
 {
 	/* Not implemented */
 	return -EINVAL;
 }
 
-int nmk_pin_config_set(struct pinctrl_dev *pctldev,
-		       unsigned pin,
-		       unsigned long config)
+static int nmk_pin_config_set(struct pinctrl_dev *pctldev, unsigned pin,
+			      unsigned long config)
 {
 	static const char *pullnames[] = {
 		[NMK_GPIO_PULL_NONE]	= "none",