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pinctrl: mcp23s08: Use irqchip template

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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
This commit is contained in:
Linus Walleij 2020-07-21 14:52:23 +02:00
parent 0a04d767af
commit 57597e150f
1 changed files with 14 additions and 30 deletions
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44
drivers/pinctrl/pinctrl-mcp23s08.c
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@ -522,29 +522,6 @@ static int mcp23s08_irq_setup(struct mcp23s08 *mcp)
return 0;
}
static int mcp23s08_irqchip_setup(struct mcp23s08 *mcp)
{
struct gpio_chip *chip = &mcp->chip;
int err;
err = gpiochip_irqchip_add_nested(chip,
&mcp->irq_chip,
0,
handle_simple_irq,
IRQ_TYPE_NONE);
if (err) {
dev_err(chip->parent,
"could not connect irqchip to gpiochip: %d\n", err);
return err;
}
gpiochip_set_nested_irqchip(chip,
&mcp->irq_chip,
mcp->irq);
return 0;
}
/*----------------------------------------------------------------------*/
int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
@ -589,10 +566,6 @@ int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
if (ret < 0)
goto fail;
ret = devm_gpiochip_add_data(dev, &mcp->chip, mcp);
if (ret < 0)
goto fail;
mcp->irq_controller =
device_property_read_bool(dev, "interrupt-controller");
if (mcp->irq && mcp->irq_controller) {
@ -629,11 +602,22 @@ int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
}
if (mcp->irq && mcp->irq_controller) {
ret = mcp23s08_irqchip_setup(mcp);
if (ret)
goto fail;
struct gpio_irq_chip *girq = &mcp->chip.irq;
girq->chip = &mcp->irq_chip;
/* This will let us handle the parent IRQ in the driver */
girq->parent_handler = NULL;
girq->num_parents = 0;
girq->parents = NULL;
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_simple_irq;
girq->threaded = true;
}
ret = devm_gpiochip_add_data(dev, &mcp->chip, mcp);
if (ret < 0)
goto fail;
mcp->pinctrl_desc.pctlops = &mcp_pinctrl_ops;
mcp->pinctrl_desc.confops = &mcp_pinconf_ops;
mcp->pinctrl_desc.npins = mcp->chip.ngpio;