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gpio: 104-idio-16: Disable IRQ on device probe 

IRQ should be disabled on device probe so that the device IRQ is in a
known starting state. If IRQ is not disabled, interrupts may be reported
as handled by the IRQ handler, despite no irq_unmask calls made by the
user.

Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
William Breathitt Gray 2015-11-22 11:38:55 -05:00 committed by Linus Walleij
parent d9110e9ce7
commit fb50cdfeed
1 changed files with 3 additions and 0 deletions
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3
drivers/gpio/gpio-104-idio-16.c
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@ -242,6 +242,9 @@ static int __init idio_16_probe(struct platform_device *pdev)
goto err_gpio_register;
}
/* Disable IRQ by default */
outb(0, base + 2);
err = gpiochip_irqchip_add(&idio16gpio->chip, &idio_16_irqchip, 0,
handle_edge_irq, IRQ_TYPE_NONE);
if (err) {