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-rw-r--r--drivers/iio/industrialio-trigger.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
index ce66699c7fcc..e5b538379ed1 100644
--- a/drivers/iio/industrialio-trigger.c
+++ b/drivers/iio/industrialio-trigger.c
@@ -254,8 +254,11 @@ static int iio_trigger_attach_poll_func(struct iio_trigger *trig,
/* Get irq number */
pf->irq = iio_trigger_get_irq(trig);
- if (pf->irq < 0)
+ if (pf->irq < 0) {
+ pr_err("Could not find an available irq for trigger %s, CONFIG_IIO_CONSUMERS_PER_TRIGGER=%d limit might be exceeded\n",
+ trig->name, CONFIG_IIO_CONSUMERS_PER_TRIGGER);
goto out_put_module;
+ }
/* Request irq */
ret = request_threaded_irq(pf->irq, pf->h, pf->thread,