Messages in this thread Patch in this message | | | From | Felipe Balbi <> | Subject | [RFC/PATCH 02/13] serial: omap: always return IRQ_HANDLED | Date | Tue, 21 Aug 2012 12:15:44 +0300 |
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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@ti.com> --- 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
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