pinctrl: armada-37xx: Pass irqchip when adding gpiochip

We need to convert all old gpio irqchips to pass the irqchip
setup along when adding the gpio_chip. For more info see
drivers/gpio/TODO.

For chained irqchips this is a pretty straight-forward
conversion.

Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Gregory CLEMENT <gregory.clement@bootlin.com>
Cc: Marek Behún <marek.behun@nic.cz>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20191002121550.16104-1-linus.walleij@linaro.org

diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 6462d3ca7ceb9b44b406015397102eadec5c2f99..952cf4e87e8281577b2bf213394ccde7628c3ea4 100644 (file)
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -722,6 +722,8 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
        struct device_node *np = info->dev->of_node;
        struct gpio_chip *gc = &info->gpio_chip;
        struct irq_chip *irqchip = &info->irq_chip;
+       struct gpio_irq_chip *girq = &gc->irq;
+       struct device *dev = &pdev->dev;
        struct resource res;
        int ret = -ENODEV, i, nr_irq_parent;
 
@@ -732,19 +734,21 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
                        break;
                }
        };
-       if (ret)
+       if (ret) {
+               dev_err(dev, "no gpio-controller child node\n");
                return ret;
+       }
 
        nr_irq_parent = of_irq_count(np);
        spin_lock_init(&info->irq_lock);
 
        if (!nr_irq_parent) {
-               dev_err(&pdev->dev, "Invalid or no IRQ\n");
+               dev_err(dev, "invalid or no IRQ\n");
                return 0;
        }
 
        if (of_address_to_resource(info->dev->of_node, 1, &res)) {
-               dev_err(info->dev, "cannot find IO resource\n");
+               dev_err(dev, "cannot find IO resource\n");
                return -ENOENT;
        }
 
@@ -759,27 +763,27 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
        irqchip->irq_set_type = armada_37xx_irq_set_type;
        irqchip->irq_startup = armada_37xx_irq_startup;
        irqchip->name = info->data->name;
-       ret = gpiochip_irqchip_add(gc, irqchip, 0,
-                                  handle_edge_irq, IRQ_TYPE_NONE);
-       if (ret) {
-               dev_info(&pdev->dev, "could not add irqchip\n");
-               return ret;
-       }
-
+       girq->chip = irqchip;
+       girq->parent_handler = armada_37xx_irq_handler;
        /*
         * Many interrupts are connected to the parent interrupt
         * controller. But we do not take advantage of this and use
         * the chained irq with all of them.
         */
+       girq->num_parents = nr_irq_parent;
+       girq->parents = devm_kcalloc(&pdev->dev, nr_irq_parent,
+                                    sizeof(*girq->parents), GFP_KERNEL);
+       if (!girq->parents)
+               return -ENOMEM;
        for (i = 0; i < nr_irq_parent; i++) {
                int irq = irq_of_parse_and_map(np, i);
 
                if (irq < 0)
                        continue;
-
-               gpiochip_set_chained_irqchip(gc, irqchip, irq,
-                                            armada_37xx_irq_handler);
+               girq->parents[i] = irq;
        }
+       girq->default_type = IRQ_TYPE_NONE;
+       girq->handler = handle_edge_irq;
 
        return 0;
 }
@@ -809,10 +813,10 @@ static int armada_37xx_gpiochip_register(struct platform_device *pdev,
        gc->of_node = np;
        gc->label = info->data->name;
 
-       ret = devm_gpiochip_add_data(&pdev->dev, gc, info);
+       ret = armada_37xx_irqchip_register(pdev, info);
        if (ret)
                return ret;
-       ret = armada_37xx_irqchip_register(pdev, info);
+       ret = devm_gpiochip_add_data(&pdev->dev, gc, info);
        if (ret)
                return ret;