Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
index ce66699..3908a9a 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 @@
/* 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,