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tty: jsm cleanups

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Here are some cleanups, mainly removing unused variables and silly
declarations.

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Breno Leitao
2009-04-07 16:53:48 +01:00
committed by Linus Torvalds
parent 78d67b4046
commit 8e7d91c975
2 changed files with 12 additions and 21 deletions
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19
drivers/serial/jsm/jsm_tty.c
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@@ -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++] =