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soc/tegra: pmc: Fail to allocate more than one wake IRQ

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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.

Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2019-05-27 12:15:12 +02:00
parent a188339ca5
commit 77226d9772
1 changed files with 3 additions and 0 deletions
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3
drivers/soc/tegra/pmc.c
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@ -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];