static int jsm_tty_open(struct uart_port *port)
{
struct jsm_board *brd;
- int rc = 0;
struct jsm_channel *channel = (struct jsm_channel *)port;
struct ktermios *termios;
channel->ch_open_count++;
jsm_printk(OPEN, INFO, &channel->ch_bd->pci_dev, "finish\n");
- return rc;
+ return 0;
}
static void jsm_tty_close(struct uart_port *port)
void jsm_check_queue_flow_control(struct jsm_channel *ch)
{
struct board_ops *bd_ops = ch->ch_bd->bd_ops;
- int qleft = 0;
+ int qleft;
/* Store how much space we have left in the queue */
if ((qleft = ch->ch_r_tail - ch->ch_r_head - 1) < 0)
*/
int jsm_tty_write(struct uart_port *port)
{
- int bufcount = 0, n = 0;
+ int bufcount;
int data_count = 0,data_count1 =0;
u16 head;
u16 tail;
if ((bufcount = tail - head - 1) < 0)
bufcount += WQUEUESIZE;
- n = bufcount;
-
- n = min(n, 56);
+ bufcount = min(bufcount, 56);
remain = WQUEUESIZE - head;
data_count = 0;
- if (n >= remain) {
- n -= remain;
+ if (bufcount >= remain) {
+ bufcount -= remain;
while ((port->info->xmit.head != temp_tail) &&
(data_count < remain)) {
channel->ch_wqueue[head++] =
}
data_count1 = 0;
- if (n > 0) {
- remain = n;
+ if (bufcount > 0) {
+ remain = bufcount;
while ((port->info->xmit.head != temp_tail) &&
(data_count1 < remain)) {
channel->ch_wqueue[head++] =