diff options
Diffstat (limited to 'drivers/iio/industrialio-trigger.c')
| -rw-r--r-- | drivers/iio/industrialio-trigger.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index ce66699c7fcc..3908a9a90035 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* The industrial I/O core, trigger handling functions * * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #include <linux/kernel.h> @@ -254,8 +251,11 @@ 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, |