tty: jsm cleanups

[linux-2.6-omap-h63xx.git] / drivers / serial / jsm / jsm_tty.c

diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c
index 330696309f764b8fd4543e191ca8ecaae04b663f..31496dc0a0d17d65206cb14ba280a6a5ffe29229 100644 (file)
--- a/drivers/serial/jsm/jsm_tty.c
+++ b/drivers/serial/jsm/jsm_tty.c
@@ -183,7 +183,6 @@ static void jsm_tty_break(struct uart_port *port, int break_state)
 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;
 
@@ -265,7 +264,7 @@ static int jsm_tty_open(struct uart_port *port)
        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)
@@ -748,7 +747,7 @@ static void jsm_carrier(struct jsm_channel *ch)
 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)
@@ -834,7 +833,7 @@ void jsm_check_queue_flow_control(struct jsm_channel *ch)
  */
 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;
@@ -850,14 +849,12 @@ int jsm_tty_write(struct uart_port *port)
        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++] =
@@ -871,8 +868,8 @@ int jsm_tty_write(struct uart_port *port)
        }
 
        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++] =