pinctrl: Bulk conversion to generic_handle_domain_irq()

Wherever possible, replace constructs that match either
generic_handle_irq(irq_find_mapping()) or
generic_handle_irq(irq_linear_revmap()) to a single call to
generic_handle_domain_irq().

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
diff --git a/drivers/pinctrl/pinctrl-equilibrium.c b/drivers/pinctrl/pinctrl-equilibrium.c
index 38cc20f..fb713f9 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.c
+++ b/drivers/pinctrl/pinctrl-equilibrium.c
@@ -155,7 +155,7 @@ static void eqbr_irq_handler(struct irq_desc *desc)
 	pins = readl(gctrl->membase + GPIO_IRNCR);
 
 	for_each_set_bit(offset, &pins, gc->ngpio)
-		generic_handle_irq(irq_find_mapping(gc->irq.domain, offset));
+		generic_handle_domain_irq(gc->irq.domain, offset);
 
 	chained_irq_exit(ic, desc);
 }