gpio: Add missing spin_lock_init in gpio-ml-ioh driver
This bug was introduced by commit 54be5663
"gpio-ml-ioh: Support interrupt function" which adds a spinlock to struct
ioh_gpio but never init the spinlock.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index 03d6dd5..f0febe5 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -448,6 +448,7 @@
chip->reg = chip->base;
chip->ch = i;
mutex_init(&chip->lock);
+ spin_lock_init(&chip->spinlock);
ioh_gpio_setup(chip, num_ports[i]);
ret = gpiochip_add(&chip->gpio);
if (ret) {