gpio: thunderx: remove unused .map() hook from irq_domain_ops

This driver implements .alloc() hook, so .map() is not used.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: NDavid Daney <david.daney@cavium.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-thunderx.c

@@ -417,18 +417,6 @@ static struct irq_chip thunderx_gpio_irq_chip = {
 	.flags			= IRQCHIP_SET_TYPE_MASKED
 };
 
-static int thunderx_gpio_irq_map(struct irq_domain *d, unsigned int irq,
-				 irq_hw_number_t hwirq)
-{
-	struct thunderx_gpio *txgpio = d->host_data;
-
-	if (hwirq >= txgpio->chip.ngpio)
-		return -EINVAL;
-	if (!thunderx_gpio_is_gpio_nowarn(txgpio, hwirq))
-		return -EPERM;
-	return 0;
-}
-
 static int thunderx_gpio_irq_translate(struct irq_domain *d,
 				       struct irq_fwspec *fwspec,
 				       irq_hw_number_t *hwirq,
@@ -455,7 +443,6 @@ static int thunderx_gpio_irq_alloc(struct irq_domain *d, unsigned int virq,
 }
 
 static const struct irq_domain_ops thunderx_gpio_irqd_ops = {
-	.map		= thunderx_gpio_irq_map,
 	.alloc		= thunderx_gpio_irq_alloc,
 	.translate	= thunderx_gpio_irq_translate
 };