diff options
| -rw-r--r-- | drivers/soc/fsl/qe/qe_ports_ic.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/soc/fsl/qe/qe_ports_ic.c b/drivers/soc/fsl/qe/qe_ports_ic.c index bc8b68e5d1a9..29f4334db5a0 100644 --- a/drivers/soc/fsl/qe/qe_ports_ic.c +++ b/drivers/soc/fsl/qe/qe_ports_ic.c @@ -80,9 +80,15 @@ static void qepic_cascade(struct irq_desc *desc) chained_irq_enter(chip, desc); event = ioread32be(data->reg + CEPIER); + if (!event) { + handle_bad_irq(desc); + goto out; + } + for_each_set_bit(bit, &event, 32) generic_handle_domain_irq(data->host, 31 - bit); +out: chained_irq_exit(chip, desc); } |