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gpio: tegra186: Set affinity callback to parent 

This assigns the .irq_set_affinity to the parent callback.
I assume the Tegra186 is an SMP system so this would be
beneficial.

I used the pattern making the hirerarchy tolerant for missing
parent as in Marc's earlier patch.

Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Vidya Sagar <vidyas@nvidia.com>
Link: https://lore.kernel.org/r/20201117213351.249668-2-linus.walleij@linaro.org
zero-sugar-mainline-defconfig
Linus Walleij 2020-11-17 22:33:51 +01:00
parent 011a78c194
commit c4e1f7d92c
1 changed files with 11 additions and 0 deletions
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11
drivers/gpio/gpio-tegra186.c
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@ -444,6 +444,16 @@ static int tegra186_irq_set_wake(struct irq_data *data, unsigned int on)
return 0;
}
static int tegra186_irq_set_affinity(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 void tegra186_gpio_irq(struct irq_desc *desc)
{
struct tegra_gpio *gpio = irq_desc_get_handler_data(desc);
@ -690,6 +700,7 @@ static int tegra186_gpio_probe(struct platform_device *pdev)
gpio->intc.irq_unmask = tegra186_irq_unmask;
gpio->intc.irq_set_type = tegra186_irq_set_type;
gpio->intc.irq_set_wake = tegra186_irq_set_wake;
gpio->intc.irq_set_affinity = tegra186_irq_set_affinity;
irq = &gpio->gpio.irq;
irq->chip = &gpio->intc;