From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Mon, 26 Sep 2016 16:11:51 +0000 (+0200)
Subject: Return a more explicit error value
X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=69e72932282faf3fabe04c5c25622450ae0bf768;p=soft%2Flpc82x%2Fcore

Return a more explicit error value
---

diff --git a/drivers/gpio.c b/drivers/gpio.c
index 0b3a8b2..1a10b4c 100644
--- a/drivers/gpio.c
+++ b/drivers/gpio.c
@@ -97,7 +97,7 @@ int set_gpio_callback(void (*callback) (uint32_t), const struct pio* gpio, uint8
 	}
 	/* If not found, return. */
 	if (irq == NB_PININT_INTERRUPTS) {
-		return -1;
+		return -ENODEV;
 	}
 
 	/* Power on the Pin interrupt subsystem */