From: Thierry Reding <treding@xxxxxxxxxx>
The code currently doesn't support allocating more than one wake IRQ at
a time. Detect this situation and error out. Also make sure to output a
warning when that happens to help track down callers.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/soc/tegra/pmc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index 5648e5c09ef5..653fe2c466f6 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -1863,6 +1863,9 @@ static int tegra_pmc_irq_alloc(struct irq_domain *domain, unsigned int virq,
unsigned int i;
int err = 0;
+ if (WARN_ON(num_irqs > 1))
+ return -EINVAL;
+
for (i = 0; i < soc->num_wake_events; i++) {
const struct tegra_wake_event *event = &soc->wake_events[i];
--
2.21.0
