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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>
hifive-unleashed-5.1
Linus Walleij 2019-02-23 01:50:48 +01:00
parent 78517428a0
commit af39459b89
1 changed files with 10 additions and 10 deletions
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20
drivers/gpio/gpio-ftgpio010.c
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@ -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);