gpio: ftgpio: Register per-instance irqchip

This augments the FTGPIO010 to register one irqchip
per instance instead of using a static definition.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-ftgpio010.c b/drivers/gpio/gpio-ftgpio010.c
index 95f5788..45fe125 100644 (file)
--- a/drivers/gpio/gpio-ftgpio010.c
+++ b/drivers/gpio/gpio-ftgpio010.c
@@ -41,12 +41,14 @@
  * struct ftgpio_gpio - Gemini GPIO state container
  * @dev: containing device for this instance
  * @gc: gpiochip for this instance
+ * @irq: irqchip for this instance
  * @base: remapped I/O-memory base
  * @clk: silicon clock
  */
 struct ftgpio_gpio {
        struct device *dev;
        struct gpio_chip gc;
+       struct irq_chip irq;
        void __iomem *base;
        struct clk *clk;
 };
@@ -134,14 +136,6 @@ static int ftgpio_gpio_set_irq_type(struct irq_data *d, unsigned int type)
        return 0;
 }
 
-static struct irq_chip ftgpio_gpio_irqchip = {
-       .name = "FTGPIO010",
-       .irq_ack = ftgpio_gpio_ack_irq,
-       .irq_mask = ftgpio_gpio_mask_irq,
-       .irq_unmask = ftgpio_gpio_unmask_irq,
-       .irq_set_type = ftgpio_gpio_set_irq_type,
-};
-
 static void ftgpio_gpio_irq_handler(struct irq_desc *desc)
 {
        struct gpio_chip *gc = irq_desc_get_handler_data(desc);
@@ -297,14 +291,20 @@ static int ftgpio_gpio_probe(struct platform_device *pdev)
        /* Clear any use of debounce */
        writel(0x0, g->base + GPIO_DEBOUNCE_EN);
 
-       ret = gpiochip_irqchip_add(&g->gc, &ftgpio_gpio_irqchip,
+       g->irq.name = "FTGPIO010";
+       g->irq.irq_ack = ftgpio_gpio_ack_irq;
+       g->irq.irq_mask = ftgpio_gpio_mask_irq;
+       g->irq.irq_unmask = ftgpio_gpio_unmask_irq;
+       g->irq.irq_set_type = ftgpio_gpio_set_irq_type;
+
+       ret = gpiochip_irqchip_add(&g->gc, &g->irq,
                                   0, handle_bad_irq,
                                   IRQ_TYPE_NONE);
        if (ret) {
                dev_info(dev, "could not add irqchip\n");
                goto dis_clk;
        }
-       gpiochip_set_chained_irqchip(&g->gc, &ftgpio_gpio_irqchip,
+       gpiochip_set_chained_irqchip(&g->gc, &g->irq,
                                     irq, ftgpio_gpio_irq_handler);
 
        platform_set_drvdata(pdev, g);