diff options
Diffstat (limited to 'drivers/usb/gadget/net2280.c')
| -rw-r--r-- | drivers/usb/gadget/net2280.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index c842b194cf0f..b2d507f16b85 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -2742,6 +2742,10 @@ static irqreturn_t net2280_irq (int irq, void *_dev, struct pt_regs * r) { struct net2280 *dev = _dev; + /* shared interrupt, not ours */ + if (!(readl(&dev->regs->irqstat0) & (1 << INTA_ASSERTED))) + return IRQ_NONE; + spin_lock (&dev->lock); /* handle disconnect, dma, and more */ |