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gpio: pcf857x: 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>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Anders Darander <anders@chargestorm.se>
Cc: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200717144835.68150-1-linus.walleij@linaro.org
zero-sugar-mainline-defconfig
Linus Walleij 2020-07-17 16:48:35 +02:00
parent dfc3a26deb
commit 50787be3ad
1 changed files with 24 additions and 23 deletions
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47
drivers/gpio/gpio-pcf857x.c
View File

@ -334,29 +334,19 @@ static int pcf857x_probe(struct i2c_client *client,
gpio->out = ~n_latch;
gpio->status = gpio->out;
status = devm_gpiochip_add_data(&client->dev, &gpio->chip, gpio);
if (status < 0)
goto fail;
/* Enable irqchip if we have an interrupt */
if (client->irq) {
gpio->irqchip.name = "pcf857x",
gpio->irqchip.irq_enable = pcf857x_irq_enable,
gpio->irqchip.irq_disable = pcf857x_irq_disable,
gpio->irqchip.irq_ack = noop,
gpio->irqchip.irq_mask = noop,
gpio->irqchip.irq_unmask = noop,
gpio->irqchip.irq_set_wake = pcf857x_irq_set_wake,
gpio->irqchip.irq_bus_lock = pcf857x_irq_bus_lock,
gpio->irqchip.irq_bus_sync_unlock = pcf857x_irq_bus_sync_unlock,
status = gpiochip_irqchip_add_nested(&gpio->chip,
&gpio->irqchip,
0, handle_level_irq,
IRQ_TYPE_NONE);
if (status) {
dev_err(&client->dev, "cannot add irqchip\n");
goto fail;
}
struct gpio_irq_chip *girq;
gpio->irqchip.name = "pcf857x";
gpio->irqchip.irq_enable = pcf857x_irq_enable;
gpio->irqchip.irq_disable = pcf857x_irq_disable;
gpio->irqchip.irq_ack = noop;
gpio->irqchip.irq_mask = noop;
gpio->irqchip.irq_unmask = noop;
gpio->irqchip.irq_set_wake = pcf857x_irq_set_wake;
gpio->irqchip.irq_bus_lock = pcf857x_irq_bus_lock;
gpio->irqchip.irq_bus_sync_unlock = pcf857x_irq_bus_sync_unlock;
status = devm_request_threaded_irq(&client->dev, client->irq,
NULL, pcf857x_irq, IRQF_ONESHOT |
@ -365,10 +355,21 @@ static int pcf857x_probe(struct i2c_client *client,
if (status)
goto fail;
gpiochip_set_nested_irqchip(&gpio->chip, &gpio->irqchip,
client->irq);
girq = &gpio->chip.irq;
girq->chip = &gpio->irqchip;
/* 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_level_irq;
girq->threaded = true;
}
status = devm_gpiochip_add_data(&client->dev, &gpio->chip, gpio);
if (status < 0)
goto fail;
/* Let platform code set up the GPIOs and their users.
* Now is the first time anyone could use them.
*/