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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-27 15:59:53 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-27 15:59:53 -0700 |
| commit | 7b013e440a4ebe05d32ad4ecd657c276f3994558 (patch) | |
| tree | 9c6a27d7056939c780902cdf682f863584c32926 /drivers/tty/serial/omap-serial.c | |
| parent | serial: sirf: add DMA support using dmaengine APIs (diff) | |
| download | linux-dev-7b013e440a4ebe05d32ad4ecd657c276f3994558.tar.xz linux-dev-7b013e440a4ebe05d32ad4ecd657c276f3994558.zip | |
Revert "serial: omap: Fix IRQ handling return value"
This reverts commit 908fd7e566b4c12e36e4487d2d5946de5e5ea30f.
Kevin writes:
Greg, without a better justification in the changelog, I think
this patch should be dropped from tty-next.
Reported-by: Kevin Hilman <khilman@linaro.org>
Cc: Ruchika Kharwar <ruchika@ti.com>
Cc: Alexander Savchenko <oleksandr.savchenko@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 2fa7b5ce2e0c..b0f46e666e1a 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -538,6 +538,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) struct uart_omap_port *up = dev_id; unsigned int iir, lsr; unsigned int type; + irqreturn_t ret = IRQ_NONE; int max_count = 256; spin_lock(&up->port.lock); @@ -548,6 +549,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) if (iir & UART_IIR_NO_INT) break; + ret = IRQ_HANDLED; lsr = serial_in(up, UART_LSR); /* extract IRQ type from IIR register */ @@ -586,7 +588,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) pm_runtime_put_autosuspend(up->dev); up->port_activity = jiffies; - return IRQ_HANDLED; + return ret; } static unsigned int serial_omap_tx_empty(struct uart_port *port) |