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Commit 14f572fa authored by Mark Brown's avatar Mark Brown Committed by Samuel Ortiz
Browse files

mfd: Always initialise WM831x IRQ mutex 



This avoids crashes when running without interrupt support.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 964fe080

drivers/mfd/wm831x-irq.c

+2 −1
Original line number Diff line number Diff line
@@ -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 */