From: Alan Stern <[EMAIL PROTECTED]>

This patch (as670) adds a check for whether a shared IRQ was actually
generated by the net2280 device.

Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>

---

 drivers/usb/gadget/net2280.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

658ad5e001a17be5fadaa8d57d1aa7f7c62628c1
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index c842b19..b2d507f 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2742,6 +2742,10 @@ static irqreturn_t net2280_irq (int irq,
 {
        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 */
-- 
1.3.1



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