From: Stephen Warren <swarren@xxxxxxxxxx> [ Upstream commit 0cf253eed5d2bdf7bb3152457b38f39b012955f7 ] The driver currently leaves GPIO IRQs unmasked even when the GPIO IRQ client has released the GPIO IRQ. This allows the HW to raise IRQs, and SW to process them, after shutdown. Fix this by masking the IRQ when it's shut down. This is usually taken care of by the irqchip core, but since this driver has a custom irq_shutdown implementation, it must do this explicitly itself. Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx> Link: https://lore.kernel.org/r/20200427232605.11608-1-swarren@xxxxxxxxxxxxx Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpio/gpio-tegra.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 47dbd19751d0..57903501821e 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -357,6 +357,7 @@ static void tegra_gpio_irq_shutdown(struct irq_data *d) struct tegra_gpio_info *tgi = bank->tgi; unsigned int gpio = d->hwirq; + tegra_gpio_irq_mask(d); gpiochip_unlock_as_irq(&tgi->gc, gpio); } -- 2.25.1
