diff options
Diffstat (limited to 'drivers/serial/serial_core.c')
| -rw-r--r-- | drivers/serial/serial_core.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 943770470b9d..95fb4939c675 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -332,7 +332,7 @@ uart_get_baud_rate(struct uart_port *port, struct termios *termios, struct termios *old, unsigned int min, unsigned int max) { unsigned int try, baud, altbaud = 38400; - unsigned int flags = port->flags & UPF_SPD_MASK; + upf_t flags = port->flags & UPF_SPD_MASK; if (flags == UPF_SPD_HI) altbaud = 57600; @@ -615,8 +615,9 @@ static int uart_set_info(struct uart_state *state, struct serial_struct new_serial; struct uart_port *port = state->port; unsigned long new_port; - unsigned int change_irq, change_port, old_flags, closing_wait; + unsigned int change_irq, change_port, closing_wait; unsigned int old_custom_divisor, close_delay; + upf_t old_flags, new_flags; int retval = 0; if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) @@ -655,6 +656,7 @@ static int uart_set_info(struct uart_state *state, new_serial.type != port->type; old_flags = port->flags; + new_flags = new_serial.flags; old_custom_divisor = port->custom_divisor; if (!capable(CAP_SYS_ADMIN)) { @@ -664,10 +666,10 @@ static int uart_set_info(struct uart_state *state, (close_delay != state->close_delay) || (closing_wait != state->closing_wait) || (new_serial.xmit_fifo_size != port->fifosize) || - (((new_serial.flags ^ old_flags) & ~UPF_USR_MASK) != 0)) + (((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0)) goto exit; port->flags = ((port->flags & ~UPF_USR_MASK) | - (new_serial.flags & UPF_USR_MASK)); + (new_flags & UPF_USR_MASK)); port->custom_divisor = new_serial.custom_divisor; goto check_and_exit; } @@ -764,7 +766,7 @@ static int uart_set_info(struct uart_state *state, port->irq = new_serial.irq; port->uartclk = new_serial.baud_base * 16; port->flags = (port->flags & ~UPF_CHANGE_MASK) | - (new_serial.flags & UPF_CHANGE_MASK); + (new_flags & UPF_CHANGE_MASK); port->custom_divisor = new_serial.custom_divisor; state->close_delay = close_delay; state->closing_wait = closing_wait; @@ -1870,7 +1872,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) mutex_lock(&state->mutex); if (state->info && state->info->flags & UIF_INITIALIZED) { - struct uart_ops *ops = port->ops; + const struct uart_ops *ops = port->ops; spin_lock_irq(&port->lock); ops->stop_tx(port); @@ -1932,7 +1934,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port) } if (state->info && state->info->flags & UIF_INITIALIZED) { - struct uart_ops *ops = port->ops; + const struct uart_ops *ops = port->ops; int ret; ops->set_mctrl(port, 0); @@ -2235,7 +2237,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port) * If this port is a console, then the spinlock is already * initialised. */ - if (!uart_console(port)) + if (!(uart_console(port) && (port->cons->flags & CON_ENABLED))) spin_lock_init(&port->lock); uart_configure_port(drv, state, port); |