Commit 986ec63d authored by Marc Zyngier's avatar Marc Zyngier
Browse files

gpio: tegra186: Allow optional irq parent callbacks 



Make the tegra186 GPIO driver resistent to variable depth
interrupt hierarchy, which we are about to introduce.

No functionnal change yet.

Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 55567976

drivers/gpio/gpio-tegra186.c

+13 −2
Original line number Diff line number Diff line
@@ -430,7 +430,18 @@ static int tegra186_irq_set_type(struct irq_data *data, unsigned int type) 
	else

		irq_set_handler_locked(data, handle_edge_irq);



	if (data->parent_data)

		return irq_chip_set_type_parent(data, type);



	return 0;

}



static int tegra186_irq_set_wake(struct irq_data *data, unsigned int on)

{

	if (data->parent_data)

		return irq_chip_set_wake_parent(data, on);



	return 0;

}



static void tegra186_gpio_irq(struct irq_desc *desc)
@@ -678,7 +689,7 @@ static int tegra186_gpio_probe(struct platform_device *pdev) 
	gpio->intc.irq_mask = tegra186_irq_mask;

	gpio->intc.irq_unmask = tegra186_irq_unmask;

	gpio->intc.irq_set_type = tegra186_irq_set_type;

	gpio->intc.irq_set_wake = irq_chip_set_wake_parent;

	gpio->intc.irq_set_wake = tegra186_irq_set_wake;



	irq = &gpio->gpio.irq;

	irq->chip = &gpio->intc;