When the map operation fails log the error code we get and add a WARN_ON()
so we get a backtrace (which should help work out which interrupt is the
source of the issue).
Signed-off-by: Mark Brown <broo...@opensource.wolfsonmicro.com>
---
kernel/irq/irqdomain.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 68920c4..065a09d 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -339,11 +339,16 @@ int irq_domain_associate_many(struct irq_domain *domain,
unsigned int irq_base,
irq_data->hwirq = hwirq;
irq_data->domain = domain;
- if (domain->ops->map && domain->ops->map(domain, virq, hwirq)) {
- pr_err("irq-%i==>hwirq-0x%lx mapping failed\n", virq,
hwirq);
- irq_data->domain = NULL;
- irq_data->hwirq = 0;
- goto err_unmap;
+ if (domain->ops->map) {
+ ret = domain->ops->map(domain, virq, hwirq);
+ if (ret != 0) {
+ pr_err("irq-%i==>hwirq-0x%lx mapping failed:
%d\n",
+ virq, hwirq, ret);
+ WARN_ON(1);
+ irq_data->domain = NULL;
+ irq_data->hwirq = 0;
+ goto err_unmap;
+ }
}
if (hwirq < domain->revmap_data.linear.size) {
--
1.7.10.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
