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serial_core: Drop references to state->tlet

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As per 6a3e492b6daaf7ec4dc41e51d87d2aae8ff886f2.
This commit is contained in:
Stuart Longland 2017-03-05 10:53:33 +10:00
parent 98f879a253
commit c7e37585f3
Signed by: stuartl
GPG Key ID: 4DFA191410BDE3B7
1 changed files with 1 additions and 19 deletions
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20
3.x/serial_core.c
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@ -69,7 +69,7 @@ void adv_uart_write_wakeup(struct uart_port *port)
* closed. No cookie for you.
*/
BUG_ON(!state);
tasklet_schedule(&state->tlet);
tty_wakeup(state->port.tty);
}
static void uart_stop(struct tty_struct *tty)
@ -104,12 +104,6 @@ static void uart_start(struct tty_struct *tty)
spin_unlock_irqrestore(&port->lock, flags);
}
static void uart_tasklet_action(unsigned long data)
{
struct uart_state *state = (struct uart_state *)data;
tty_wakeup(state->port.tty);
}
static inline void
uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
{
@ -246,11 +240,6 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state)
synchronize_irq(uport->irq);
}
/*
* kill off our tasklet
*/
tasklet_kill(&state->tlet);
/*
* Free the transmit buffer page.
*/
@ -2296,8 +2285,6 @@ int adv_uart_register_driver(struct uart_driver *drv)
port->ops = &uart_port_ops;
port->close_delay = 500; /* .5 seconds */
port->closing_wait = 30000; /* 30 seconds */
tasklet_init(&state->tlet, uart_tasklet_action,
(unsigned long)state);
}
retval = tty_register_driver(normal);
@ -2458,11 +2445,6 @@ int adv_uart_remove_one_port(struct uart_driver *drv, struct uart_port *uport)
*/
uport->type = PORT_UNKNOWN;
/*
* Kill the tasklet, and free resources.
*/
tasklet_kill(&state->tlet);
state->uart_port = NULL;
mutex_unlock(&port_mutex);