[PATCH] gpio: sim: fix a typo in comment

[Bartosz Golaszewski <brgl@xxxxxxxx>]

From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>

It was supposed to say 'for' not 'fo'.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
---
 drivers/gpio/gpio-sim.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c
index 8b49b0abacd5..cfbdade841e8 100644
--- a/drivers/gpio/gpio-sim.c
+++ b/drivers/gpio/gpio-sim.c
@@ -488,7 +488,7 @@ struct gpio_sim_device {
 	 * This structure however can be modified by callbacks of different
 	 * attributes so we need another lock.
 	 *
-	 * We use this lock fo protecting all data structures owned by this
+	 * We use this lock for protecting all data structures owned by this
 	 * object too.
 	 */
 	struct mutex lock;
-- 
2.39.2