diff options
| author | Soren Brinkmann <soren.brinkmann@xilinx.com> | 2015-12-26 02:43:54 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-06 22:52:09 -0800 |
| commit | 4c0b92ed9ebab389cdefd56efe81f8c3d8d458d5 (patch) | |
| tree | 32600edd7817a7e290b063e91c8212c13302b1f1 /drivers/tty/serial/xilinx_uartps.c | |
| parent | 6e14f7c1f2c2e8d783b4bc50e7ac31b468910698 (diff) | |
tty: xuartps: Keep lock for whole ISR
The RX path in the interrupt handler released a lock unnecessarily.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/xilinx_uartps.c')
| -rw-r--r-- | drivers/tty/serial/xilinx_uartps.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 6ffd3bbe3e18..ab3995d00973 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -265,9 +265,7 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id) uart_insert_char(port, isrstatus, CDNS_UART_IXR_OVERRUN, data, status); } - spin_unlock(&port->lock); tty_flip_buffer_push(&port->state->port); - spin_lock(&port->lock); } /* Dispatch an appropriate handler */ |