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gpio: Add missing spin_lock_init in gpio-pch driver

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This bug was introduced by commit d568a681
"gpio-pch: add spinlock in suspend/resume processing"
which adds a spinlock to struct pch_gpio but never init the spinlock.

Reported-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Axel Lin 2012-02-01 10:51:53 +08:00 committed by Grant Likely
parent 876cf5e7b9
commit d166370ad8
1 changed files with 1 additions and 0 deletions
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1
drivers/gpio/gpio-pch.c
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@ -392,6 +392,7 @@ static int __devinit pch_gpio_probe(struct pci_dev *pdev,
chip->reg = chip->base;
pci_set_drvdata(pdev, chip);
mutex_init(&chip->lock);
spin_lock_init(&chip->spinlock);
pch_gpio_setup(chip);
ret = gpiochip_add(&chip->gpio);
if (ret) {