gpio: Remove unused 'irqchip' argument to gpiochip_set_cascaded_irqchip()

This argument hasn't ever been used since it was introduced in commit
1425052097b5 ("gpio: add IRQ chip helpers in gpiolib"). Let's drop it to
reduce reading confusion.

Cc: Evan Green <evgreen@chromium.org>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 350b054..6f6b4c2 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1663,7 +1663,6 @@ EXPORT_SYMBOL_GPL(gpiochip_irqchip_irq_valid);
 /**
  * gpiochip_set_cascaded_irqchip() - connects a cascaded irqchip to a gpiochip
  * @gpiochip: the gpiochip to set the irqchip chain to
- * @irqchip: the irqchip to chain to the gpiochip
  * @parent_irq: the irq number corresponding to the parent IRQ for this
  * chained irqchip
  * @parent_handler: the parent interrupt handler for the accumulated IRQ
@@ -1671,7 +1670,6 @@ EXPORT_SYMBOL_GPL(gpiochip_irqchip_irq_valid);
  * cascaded, pass NULL in this handler argument
  */
 static void gpiochip_set_cascaded_irqchip(struct gpio_chip *gpiochip,
-                                         struct irq_chip *irqchip,
                                          unsigned int parent_irq,
                                          irq_flow_handler_t parent_handler)
 {
@@ -1719,8 +1717,7 @@ void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,
                return;
        }
 
-       gpiochip_set_cascaded_irqchip(gpiochip, irqchip, parent_irq,
-                                     parent_handler);
+       gpiochip_set_cascaded_irqchip(gpiochip, parent_irq, parent_handler);
 }
 EXPORT_SYMBOL_GPL(gpiochip_set_chained_irqchip);
 
@@ -1735,8 +1732,7 @@ void gpiochip_set_nested_irqchip(struct gpio_chip *gpiochip,
                                 struct irq_chip *irqchip,
                                 unsigned int parent_irq)
 {
-       gpiochip_set_cascaded_irqchip(gpiochip, irqchip, parent_irq,
-                                     NULL);
+       gpiochip_set_cascaded_irqchip(gpiochip, parent_irq, NULL);
 }
 EXPORT_SYMBOL_GPL(gpiochip_set_nested_irqchip);