Even if we enter our IRQ handler just to notice that the our device didn't generate the IRQ, that still means "handling" and IRQ, so let's return IRQ_HANDLED. Signed-off-by: Felipe Balbi <balbi@xxxxxx> --- drivers/tty/serial/omap-serial.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 5c0d0bc..b4b95fc 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -417,7 +417,7 @@ static inline irqreturn_t serial_omap_irq(int irq, void *dev_id) if (iir & UART_IIR_NO_INT) { pm_runtime_mark_last_busy(&up->pdev->dev); pm_runtime_put_autosuspend(&up->pdev->dev); - return IRQ_NONE; + return IRQ_HANDLED; } spin_lock_irqsave(&up->port.lock, flags); -- 1.7.12.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html