MUSB: Blackfin: don't fake blackfin_interrupt() result

Commit a5073b52833e4df8e16c93dc4cbb7e0c558c74a2 (musb_gadget: fix unhandled
endpoint 0 IRQs) misses this change to blackfin.c: stop faking successful
result of blackfin_interrupt() and emitting a debug message on an unhandled
interrupt.

Signed-off-by: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 719a22d664ef..ec8d324237f6 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -172,13 +172,7 @@ static irqreturn_t blackfin_interrupt(int irq, void *__hci)
 
         spin_unlock_irqrestore(&musb->lock, flags);
 
-        /* REVISIT we sometimes get spurious IRQs on g_ep0
-         * not clear why... fall in BF54x too.
-         */
-        if (retval != IRQ_HANDLED)
-                DBG(5, "spurious?\n");
-
-        return IRQ_HANDLED;
+        return retval;
 }
 
 static void musb_conn_timer_handler(unsigned long _musb)