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pinctrl: mcp23s08: Use irqchip template
This makes the driver use the irqchip template to assign properties to the gpio_irq_chip instead of using the explicit calls to gpiochip_irqchip_add_nested() and gpiochip_set_nested_irqchip(). The irqchip is instead added while adding the gpiochip. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Jan Kundrát <jan.kundrat@cesnet.cz> Cc: Phil Reid <preid@electromag.com.au> Cc: Lars Poeschel <poeschel@lemonage.de> Cc: Jason Kridner <jkridner@gmail.com> Link: https://lore.kernel.org/r/20200721125223.344411-1-linus.walleij@linaro.org
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@ -522,29 +522,6 @@ static int mcp23s08_irq_setup(struct mcp23s08 *mcp)
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return 0;
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}
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static int mcp23s08_irqchip_setup(struct mcp23s08 *mcp)
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{
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struct gpio_chip *chip = &mcp->chip;
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int err;
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err = gpiochip_irqchip_add_nested(chip,
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&mcp->irq_chip,
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0,
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handle_simple_irq,
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IRQ_TYPE_NONE);
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if (err) {
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dev_err(chip->parent,
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"could not connect irqchip to gpiochip: %d\n", err);
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return err;
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}
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gpiochip_set_nested_irqchip(chip,
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&mcp->irq_chip,
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mcp->irq);
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return 0;
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}
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/*----------------------------------------------------------------------*/
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int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
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@ -589,10 +566,6 @@ int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
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if (ret < 0)
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goto fail;
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ret = devm_gpiochip_add_data(dev, &mcp->chip, mcp);
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if (ret < 0)
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goto fail;
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mcp->irq_controller =
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device_property_read_bool(dev, "interrupt-controller");
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if (mcp->irq && mcp->irq_controller) {
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@ -629,11 +602,22 @@ int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
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}
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if (mcp->irq && mcp->irq_controller) {
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ret = mcp23s08_irqchip_setup(mcp);
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if (ret)
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goto fail;
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struct gpio_irq_chip *girq = &mcp->chip.irq;
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girq->chip = &mcp->irq_chip;
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/* This will let us handle the parent IRQ in the driver */
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girq->parent_handler = NULL;
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girq->num_parents = 0;
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girq->parents = NULL;
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girq->default_type = IRQ_TYPE_NONE;
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girq->handler = handle_simple_irq;
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girq->threaded = true;
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}
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ret = devm_gpiochip_add_data(dev, &mcp->chip, mcp);
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if (ret < 0)
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goto fail;
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mcp->pinctrl_desc.pctlops = &mcp_pinctrl_ops;
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mcp->pinctrl_desc.confops = &mcp_pinconf_ops;
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mcp->pinctrl_desc.npins = mcp->chip.ngpio;
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