From 62e27076b7a48d1c8fc4eed59ff75f6382915c46 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?=
 <emulatorman@parabola.nu>
Date: Wed, 30 Nov 2016 18:50:18 -0300
Subject: Linux-libre 4.8.11-gnu

---
 drivers/gpio/gpiolib.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'drivers/gpio/gpiolib.c')

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index b2dee1024..15704aaf9 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2667,8 +2667,11 @@ int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset)
 	if (IS_ERR(desc))
 		return PTR_ERR(desc);
 
-	/* Flush direction if something changed behind our back */
-	if (chip->get_direction) {
+	/*
+	 * If it's fast: flush the direction setting if something changed
+	 * behind our back
+	 */
+	if (!chip->can_sleep && chip->get_direction) {
 		int dir = chip->get_direction(chip, offset);
 
 		if (dir)
-- 
cgit v1.2.3