diff options
| author | Ivan T. Ivanov <ivan.ivanov@linaro.org> | 2015-09-29 14:11:37 +0300 |
|---|---|---|
| committer | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2015-10-14 16:39:36 +0100 |
| commit | 3dca4e8b812b2f786e1f68261bca2b6ca8ea49dd (patch) | |
| tree | dd8835620fb8730ff5d6caeb1d766cb2044e2062 | |
| parent | f6070ef4decc916aaf0865fc03e9627f8cca10cc (diff) | |
tty: serial: msm: Unlock interrupts during SysRq processing
To succeed SysRq interrupts have to be enabled. Enable them.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
| -rw-r--r-- | drivers/tty/serial/msm_serial.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 7fbb4b35d16e..2d779b1f010f 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -420,7 +420,9 @@ static void msm_complete_rx_dma(void *args) if (!(port->read_status_mask & UART_SR_RX_BREAK)) flag = TTY_NORMAL; + spin_unlock_irqrestore(&port->lock, flags); sysrq = uart_handle_sysrq_char(port, dma->virt[i]); + spin_lock_irqsave(&port->lock, flags); if (!sysrq) tty_insert_flip_char(tport, dma->virt[i], flag); } |