diff options
Diffstat (limited to 'drivers/tty/serial/jsm/jsm_neo.c')
| -rw-r--r-- | drivers/tty/serial/jsm/jsm_neo.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c index 2bd6404289..1fa10f1936 100644 --- a/drivers/tty/serial/jsm/jsm_neo.c +++ b/drivers/tty/serial/jsm/jsm_neo.c @@ -1309,25 +1309,6 @@ static void neo_uart_off(struct jsm_channel *ch) writeb(0, &ch->ch_neo_uart->ier); } -static u32 neo_get_uart_bytes_left(struct jsm_channel *ch) -{ - u8 left = 0; - u8 lsr = readb(&ch->ch_neo_uart->lsr); - - /* We must cache the LSR as some of the bits get reset once read... */ - ch->ch_cached_lsr |= lsr; - - /* Determine whether the Transmitter is empty or not */ - if (!(lsr & UART_LSR_TEMT)) - left = 1; - else { - ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); - left = 0; - } - - return left; -} - /* Channel lock MUST be held by the calling function! */ static void neo_send_break(struct jsm_channel *ch) { @@ -1348,25 +1329,6 @@ static void neo_send_break(struct jsm_channel *ch) } } -/* - * neo_send_immediate_char. - * - * Sends a specific character as soon as possible to the UART, - * jumping over any bytes that might be in the write queue. - * - * The channel lock MUST be held by the calling function. - */ -static void neo_send_immediate_char(struct jsm_channel *ch, unsigned char c) -{ - if (!ch) - return; - - writeb(c, &ch->ch_neo_uart->txrx); - - /* flush write operation */ - neo_pci_posting_flush(ch->ch_bd); -} - struct board_ops jsm_neo_ops = { .intr = neo_intr, .uart_init = neo_uart_init, @@ -1382,6 +1344,4 @@ struct board_ops jsm_neo_ops = { .send_start_character = neo_send_start_character, .send_stop_character = neo_send_stop_character, .copy_data_from_queue_to_uart = neo_copy_data_from_queue_to_uart, - .get_uart_bytes_left = neo_get_uart_bytes_left, - .send_immediate_char = neo_send_immediate_char }; |