diff options
Diffstat (limited to 'drivers/tty/serial/nwpserial.c')
| -rw-r--r-- | drivers/tty/serial/nwpserial.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/tty/serial/nwpserial.c b/drivers/tty/serial/nwpserial.c index 77287c54f33..693bc6c2561 100644 --- a/drivers/tty/serial/nwpserial.c +++ b/drivers/tty/serial/nwpserial.c @@ -149,7 +149,10 @@ static irqreturn_t nwpserial_interrupt(int irq, void *dev_id) tty_insert_flip_char(port, ch, TTY_NORMAL); } while (dcr_read(up->dcr_host, UART_LSR) & UART_LSR_DR); + spin_unlock(&up->port.lock); tty_flip_buffer_push(port); + spin_lock(&up->port.lock); + ret = IRQ_HANDLED; /* clear interrupt */ @@ -199,7 +202,7 @@ static void nwpserial_shutdown(struct uart_port *port) dcr_write(up->dcr_host, UART_IER, up->ier); /* free irq */ - free_irq(up->port.irq, port); + free_irq(up->port.irq, up); } static int nwpserial_verify_port(struct uart_port *port, |