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path: root/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
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Diffstat (limited to 'drivers/pinctrl/bcm/pinctrl-nsp-gpio.c')
-rw-r--r--drivers/pinctrl/bcm/pinctrl-nsp-gpio.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
index bed0124388c0..a00a42a61a90 100644
--- a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
+++ b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
@@ -154,15 +154,9 @@ static irqreturn_t nsp_gpio_irq_handler(int irq, void *data)
level &= readl(chip->base + NSP_GPIO_INT_MASK);
int_bits = level | event;
- for_each_set_bit(bit, &int_bits, gc->ngpio) {
- /*
- * Clear the interrupt before invoking the
- * handler, so we do not leave any window
- */
- writel(BIT(bit), chip->base + NSP_GPIO_EVENT);
+ for_each_set_bit(bit, &int_bits, gc->ngpio)
generic_handle_irq(
irq_linear_revmap(gc->irq.domain, bit));
- }
}
return int_bits ? IRQ_HANDLED : IRQ_NONE;
@@ -178,7 +172,7 @@ static void nsp_gpio_irq_ack(struct irq_data *d)
trigger_type = irq_get_trigger_type(d->irq);
if (trigger_type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
- nsp_set_bit(chip, REG, NSP_GPIO_EVENT, gpio, val);
+ writel(val, chip->base + NSP_GPIO_EVENT);
}
/*
@@ -262,6 +256,12 @@ static int nsp_gpio_irq_set_type(struct irq_data *d, unsigned int type)
nsp_set_bit(chip, REG, NSP_GPIO_EVENT_INT_POLARITY, gpio, falling);
nsp_set_bit(chip, REG, NSP_GPIO_INT_POLARITY, gpio, level_low);
+
+ if (type & IRQ_TYPE_EDGE_BOTH)
+ irq_set_handler_locked(d, handle_edge_irq);
+ else
+ irq_set_handler_locked(d, handle_level_irq);
+
raw_spin_unlock_irqrestore(&chip->lock, flags);
dev_dbg(chip->dev, "gpio:%u level_low:%s falling:%s\n", gpio,
@@ -691,7 +691,7 @@ static int nsp_gpio_probe(struct platform_device *pdev)
girq->num_parents = 0;
girq->parents = NULL;
girq->default_type = IRQ_TYPE_NONE;
- girq->handler = handle_simple_irq;
+ girq->handler = handle_bad_irq;
}
ret = devm_gpiochip_add_data(dev, gc, chip);