diff options
| author |   Breno Leitao <leitao@linux.vnet.ibm.com> | 2009-04-07 16:53:48 +0100 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-07 08:44:06 -0700 |
| commit | 8e7d91c97570ba1a16c0b4f984c04f04f039a231 (patch) | |
| tree | 8ca4b3187f870f75d1f9c2c1f6c08c8cfd05f292 /drivers/serial/jsm/jsm_tty.c | |
| parent | Adjust path to gpio headers (diff) | |
| download | linux-dev-8e7d91c97570ba1a16c0b4f984c04f04f039a231.tar.xz linux-dev-8e7d91c97570ba1a16c0b4f984c04f04f039a231.zip | |
tty: jsm cleanups
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/serial/jsm/jsm_tty.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c index 330696309f76..31496dc0a0d1 100644 --- 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++] = |