Technically upstream interrupt controller may fail changing of GPIO's bank
wake-state and in this case the GPIO's wake-state shouldn't be changed.
Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
---
drivers/gpio/gpio-tegra.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index f6a382fbd12d..4790dfec7758 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -497,6 +497,11 @@ static int tegra_gpio_irq_set_wake(struct irq_data *d,
unsigned int enable)
struct tegra_gpio_bank *bank = irq_data_get_irq_chip_data(d);
unsigned int gpio = d->hwirq;
u32 port, bit, mask;
+ int err;
+
+ err = irq_set_irq_wake(bank->irq, enable);
+ if (err)
+ return err;
port = GPIO_PORT(gpio);
bit = GPIO_BIT(gpio);
@@ -507,7 +512,7 @@ static int tegra_gpio_irq_set_wake(struct irq_data *d,
unsigned int enable)
else
bank->wake_enb[port] &= ~mask;
- return irq_set_irq_wake(bank->irq, enable);
+ return 0;
}
#endif
--
2.24.0
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