diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2020-11-17 22:33:51 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-12-04 09:05:12 +0100 |
| commit | c4e1f7d92cd609e4929b2b3d8abe5eb21b9823ef (patch) | |
| tree | 44dcb286636a922d143aabc0d04b5bbb7b67e419 /drivers/gpio/gpio-tegra186.c | |
| parent | 011a78c1942ed6441880786d96cb90229e3ab0c9 (diff) | |
| download | linux-c4e1f7d92cd609e4929b2b3d8abe5eb21b9823ef.tar.bz2 | |
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
Diffstat (limited to 'drivers/gpio/gpio-tegra186.c')
| -rw-r--r-- | drivers/gpio/gpio-tegra186.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c index 9500074b1f1b..286e0b1f46e4 100644 --- a/drivers/gpio/gpio-tegra186.c +++ b/drivers/gpio/gpio-tegra186.c @@ -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; |