[PATCH] USB: net2280: check for shared IRQs
This patch (as670) adds a check for whether a shared IRQ was actually
generated by the net2280 device.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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 @@
{
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 */