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Subject[PATCH 5/6] gpio: mxs: use devres for irq generic chip
Date
Use resource managed variants of irq_alloc_generic_chip() and
irq_setup_generic_chip().

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
---
drivers/gpio/gpio-mxs.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index 6ae583f36733..f7c645f7dae5 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -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;
};
@@ -209,9 +210,10 @@ 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,
- port->base, handle_level_irq);
+ 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,
- IRQ_NOREQUEST, 0);
+ 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;
--
2.13.2
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