[RFC/PATCH 02/13] serial: omap: always return IRQ_HANDLED
From: Felipe Balbi <hidden>
Date: 2012-08-21 09:23:57
Also in:
linux-arm-kernel, linux-omap, lkml
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
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 <redacted> --- 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