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gpio: Add missing spin_lock_init in gpio-ml-ioh driver

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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>
This commit is contained in:
Axel Lin 2012-02-01 10:50:05 +08:00 committed by Grant Likely
parent d166370ad8
commit 7e3a70fb7b
1 changed files with 1 additions and 0 deletions
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1
drivers/gpio/gpio-ml-ioh.c
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@ -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) {