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path: root/drivers/acpi/sleep.c
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Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r--drivers/acpi/sleep.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 4ca667251272..72470b9f16c4 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -714,7 +714,13 @@ int acpi_s2idle_begin(void)
int acpi_s2idle_prepare(void)
{
if (acpi_sci_irq_valid()) {
- enable_irq_wake(acpi_sci_irq);
+ int error;
+
+ error = enable_irq_wake(acpi_sci_irq);
+ if (error)
+ pr_warn("Warning: Failed to enable wakeup from IRQ %d: %d\n",
+ acpi_sci_irq, error);
+
acpi_ec_set_gpe_wake_mask(ACPI_GPE_ENABLE);
}