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Subject[RFC/PATCH 02/13] serial: omap: always return IRQ_HANDLED
Date
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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