From: Enrico Weigelt <i...@metux.net>
When trying to export an nonexisting gpio ID, the kernel prints
outs a big warning w/ stacktrace, sounding like a huge problem.
In fact it's a pretty normal situation, like file or device not
found.
So, just print a more relaxed warning instead.
Signed-off-by: Enrico Weigelt <i...@metux.net>
---
drivers/gpio/gpiolib.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 3ee99d0..06eeedd 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1,4 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/bitmap.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -121,7 +124,7 @@ struct gpio_desc *gpio_to_desc(unsigned gpio)
spin_unlock_irqrestore(&gpio_lock, flags);
if (!gpio_is_valid(gpio))
- WARN(1, "invalid GPIO %d\n", gpio);
+ pr_warn("invalid GPIO %d\n", gpio);
return NULL;
}
--
1.9.1
