Commit 8681cc33 authored by Marc Zyngier's avatar Marc Zyngier
Browse files

soc/tegra: pmc: Allow optional irq parent callbacks 



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

Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 986ec63d

drivers/soc/tegra/pmc.c

+32 −4
Original line number Diff line number Diff line
@@ -2184,6 +2184,34 @@ static int tegra186_pmc_irq_set_type(struct irq_data *data, unsigned int type) 
	return 0;

}



static void tegra_irq_mask_parent(struct irq_data *data)

{

	if (data->parent_data)

		irq_chip_mask_parent(data);

}



static void tegra_irq_unmask_parent(struct irq_data *data)

{

	if (data->parent_data)

		irq_chip_unmask_parent(data);

}



static void tegra_irq_eoi_parent(struct irq_data *data)

{

	if (data->parent_data)

		irq_chip_eoi_parent(data);

}



static int tegra_irq_set_affinity_parent(struct irq_data *data,

					 const struct cpumask *dest,

					 bool force)

{

	if (data->parent_data)

		return irq_chip_set_affinity_parent(data, dest, force);



	return -EINVAL;

}



static int tegra_pmc_irq_init(struct tegra_pmc *pmc)

{

	struct irq_domain *parent = NULL;
@@ -2199,10 +2227,10 @@ static int tegra_pmc_irq_init(struct tegra_pmc *pmc) 
		return 0;



	pmc->irq.name = dev_name(pmc->dev);

	pmc->irq.irq_mask = irq_chip_mask_parent;

	pmc->irq.irq_unmask = irq_chip_unmask_parent;

	pmc->irq.irq_eoi = irq_chip_eoi_parent;

	pmc->irq.irq_set_affinity = irq_chip_set_affinity_parent;

	pmc->irq.irq_mask = tegra_irq_mask_parent;

	pmc->irq.irq_unmask = tegra_irq_unmask_parent;

	pmc->irq.irq_eoi = tegra_irq_eoi_parent;

	pmc->irq.irq_set_affinity = tegra_irq_set_affinity_parent;

	pmc->irq.irq_set_type = pmc->soc->irq_set_type;

	pmc->irq.irq_set_wake = pmc->soc->irq_set_wake;