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pinctrl: iproc: Set irq handler based on trig type 

Rather than always using handle_simple_irq() as the gpio_irq_chip
handler, set a more appropriate handler based on the IRQ trigger type
requested.
This is important for level triggered interrupts which need to be
masked during handling.

Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20191215210503.15488-2-hamish.martin@alliedtelesis.co.nz
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Hamish Martin 2019-12-16 10:05:03 +13:00 committed by Linus Walleij
parent f4a73f5e26
commit 534ad35798
1 changed files with 7 additions and 1 deletions
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8
drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
View File

@ -286,6 +286,12 @@ static int iproc_gpio_irq_set_type(struct irq_data *d, unsigned int type)
iproc_set_bit(chip, IPROC_GPIO_INT_DE_OFFSET, gpio, dual_edge);
iproc_set_bit(chip, IPROC_GPIO_INT_EDGE_OFFSET, gpio,
rising_or_high);
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,
@ -868,7 +874,7 @@ static int iproc_gpio_probe(struct platform_device *pdev)
return -ENOMEM;
girq->parents[0] = irq;
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_simple_irq;
girq->handler = handle_bad_irq;
}
ret = gpiochip_add_data(gc, chip);