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gpio: mxs: use devres for irq generic chip

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Use resource managed variants of irq_alloc_generic_chip() and
irq_setup_generic_chip().

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2017-08-09 14:25:07 +02:00 committed by Linus Walleij
parent db5270acaa
commit 5751d3dcf4
1 changed files with 9 additions and 5 deletions
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10
drivers/gpio/gpio-mxs.c
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@ -66,6 +66,7 @@ struct mxs_gpio_port {
int irq;
struct irq_domain *domain;
struct gpio_chip gc;
struct device *dev;
enum mxs_gpio_id devid;
u32 both_edges;
};
@ -209,8 +210,9 @@ static int mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
int rv;
gc = irq_alloc_generic_chip("gpio-mxs", 2, irq_base,
gc = devm_irq_alloc_generic_chip(port->dev, "gpio-mxs", 2, irq_base,
port->base, handle_level_irq);
if (!gc)
return -ENOMEM;
@ -242,10 +244,11 @@ static int mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
ct->regs.disable = PINCTRL_IRQEN(port) + MXS_CLR;
ct->handler = handle_level_irq;
irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK,
rv = devm_irq_setup_generic_chip(port->dev, gc, IRQ_MSK(32),
IRQ_GC_INIT_NESTED_LOCK,
IRQ_NOREQUEST, 0);
return 0;
return rv;
}
static int mxs_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
@ -304,6 +307,7 @@ static int mxs_gpio_probe(struct platform_device *pdev)
if (port->id < 0)
return port->id;
port->devid = (enum mxs_gpio_id) of_id->data;
port->dev = &pdev->dev;
port->irq = platform_get_irq(pdev, 0);
if (port->irq < 0)
return port->irq;