summaryrefslogtreecommitdiffstats
path: root/drivers/soc
diff options
context:
space:
mode:
authorMarc Zyngier <maz@kernel.org>2020-10-04 21:16:24 +0100
committerMarc Zyngier <maz@kernel.org>2020-10-10 12:12:11 +0100
commit8681cc33f817842df7ebe3c36558d97f5497a177 (patch)
tree12d80c8b45c1c41d4ebb49c69fe0454898b4c15e /drivers/soc
parent986ec63d4482292570b579ac98b151acf8bdd1de (diff)
downloadlinux-8681cc33f817842df7ebe3c36558d97f5497a177.tar.bz2
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: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/tegra/pmc.c36
1 files changed, 32 insertions, 4 deletions
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index d332e5d9abac..b39536c68f45 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -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;