static irqreturn_t ehv_bc_tty_rx_isr(int irq, void *data)
{
struct ehv_bc_data *bc = data;
- struct tty_struct *ttys = tty_port_tty_get(&bc->port);
unsigned int rx_count, tx_count, len;
int count;
char buffer[EV_BYTE_CHANNEL_MAX_BYTES];
int ret;
- /* ttys could be NULL during a hangup */
- if (!ttys)
- return IRQ_HANDLED;
-
/* Find out how much data needs to be read, and then ask the TTY layer
* if it can handle that much. We want to ensure that every byte we
* read from the byte channel will be accepted by the TTY layer.
*/
ev_byte_channel_poll(bc->handle, &rx_count, &tx_count);
- count = tty_buffer_request_room(ttys, rx_count);
+ count = tty_buffer_request_room(&bc->port, rx_count);
/* 'count' is the maximum amount of data the TTY layer can accept at
* this time. However, during testing, I was never able to get 'count'
*/
/* Pass the received data to the tty layer. */
- ret = tty_insert_flip_string(ttys, buffer, len);
+ ret = tty_insert_flip_string(&bc->port, buffer, len);
/* 'ret' is the number of bytes that the TTY layer accepted.
* If it's not equal to 'len', then it means the buffer is
}
/* Tell the tty layer that we're done. */
- tty_flip_buffer_push(ttys);
-
- tty_kref_put(ttys);
+ tty_flip_buffer_push(&bc->port);
return IRQ_HANDLED;
}