gpio: Add missing spin_lock_init in gpio-ml-ioh driver
authorAxel Lin <axel.lin@gmail.com>
Wed, 1 Feb 2012 02:50:05 +0000 (10:50 +0800)
committerGrant Likely <grant.likely@secretlab.ca>
Thu, 2 Feb 2012 04:59:37 +0000 (21:59 -0700)
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>
drivers/gpio/gpio-ml-ioh.c

index 03d6dd5dcb77c0092c5297acb34bd4da59a5f81a..f0febe5b8221384c390711208c191a56cc2ee4f8 100644 (file)
@@ -448,6 +448,7 @@ static int __devinit ioh_gpio_probe(struct pci_dev *pdev,
                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) {