diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2015-08-21 20:02:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-04 17:33:48 +0100 |
| commit | 908030727ba83b2859097ecdb52b55ea13e354b3 (patch) | |
| tree | 6768e077f84c990a624dfbfbcf106329783518b6 /drivers/tty/serial/sh-sci.c | |
| parent | e0a12a27e834a71a3a21208e2e7e9f7c959def72 (diff) | |
serial: sh-sci: Return IRQ_HANDLED when overrun if detected
This patch fix an issue that the driver may cause "nobody cared" IRQ
when this driver detects the overrun flag only.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/sh-sci.c')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 017b33cf5587..c4cb7a5a2b11 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1078,8 +1078,10 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr) ret = sci_br_interrupt(irq, ptr); /* Overrun Interrupt */ - if (orer_status & s->overrun_mask) + if (orer_status & s->overrun_mask) { sci_handle_fifo_overrun(port); + ret = IRQ_HANDLED; + } return ret; } |