gpio: intel-mid: drop references to "virtual" IRQ

Rename the argument "virq" to just "irq", this IRQ isn't any
more "virtual" than any other Linux IRQ number, we use "hwirq"
for the actual hw-numbers, "virq" is just bogus.

Acked-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c
index 612b54d..be803af 100644
--- a/drivers/gpio/gpio-intel-mid.c
+++ b/drivers/gpio/gpio-intel-mid.c
@@ -353,15 +353,15 @@
 	}
 }
 
-static int intel_gpio_irq_map(struct irq_domain *d, unsigned int virq,
-			    irq_hw_number_t hw)
+static int intel_gpio_irq_map(struct irq_domain *d, unsigned int irq,
+			    irq_hw_number_t hwirq)
 {
 	struct intel_mid_gpio *priv = d->host_data;
 
-	irq_set_chip_and_handler_name(virq, &intel_mid_irqchip,
+	irq_set_chip_and_handler_name(irq, &intel_mid_irqchip,
 				      handle_simple_irq, "demux");
-	irq_set_chip_data(virq, priv);
-	irq_set_irq_type(virq, IRQ_TYPE_NONE);
+	irq_set_chip_data(irq, priv);
+	irq_set_irq_type(irq, IRQ_TYPE_NONE);
 
 	return 0;
 }