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mfd: Always initialise WM831x IRQ mutex

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This avoids crashes when running without interrupt support.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown 2009-10-19 11:07:05 +01:00 committed by Samuel Ortiz
parent 964fe080d9
commit 14f572fa38
1 changed files with 2 additions and 1 deletions
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3
drivers/mfd/wm831x-irq.c
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@ -507,6 +507,8 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
{
int i, ret;
mutex_init(&wm831x->irq_lock);
if (!irq) {
dev_warn(wm831x->dev,
"No interrupt specified - functionality limited\n");
@ -521,7 +523,6 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
}
wm831x->irq = irq;
mutex_init(&wm831x->irq_lock);
INIT_WORK(&wm831x->irq_work, wm831x_irq_worker);
/* Mask the individual interrupt sources */