From 8e7d91c97570ba1a16c0b4f984c04f04f039a231 Mon Sep 17 00:00:00 2001 From: Breno Leitao Date: Tue, 7 Apr 2009 16:53:48 +0100 Subject: tty: jsm cleanups Here are some cleanups, mainly removing unused variables and silly declarations. Signed-off-by: Breno Leitao Signed-off-by: Andrew Morton Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/jsm/jsm_neo.c | 14 ++++---------- drivers/serial/jsm/jsm_tty.c | 19 ++++++++----------- 2 files changed, 12 insertions(+), 21 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c index e6390d023634..9dadaa11d266 100644 --- a/drivers/serial/jsm/jsm_neo.c +++ b/drivers/serial/jsm/jsm_neo.c @@ -533,7 +533,6 @@ static void neo_copy_data_from_queue_to_uart(struct jsm_channel *ch) if (!(ch->ch_flags & (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM))) return; - len_written = 0; n = UART_17158_TX_FIFOSIZE - ch->ch_t_tlevel; /* cache head and tail of queue */ @@ -619,14 +618,10 @@ static void neo_parse_modem(struct jsm_channel *ch, u8 signals) /* Make the UART raise any of the output signals we want up */ static void neo_assert_modem_signals(struct jsm_channel *ch) { - u8 out; - if (!ch) return; - out = ch->ch_mostat; - - writeb(out, &ch->ch_neo_uart->mcr); + writeb(ch->ch_mostat, &ch->ch_neo_uart->mcr); /* flush write operation */ neo_pci_posting_flush(ch->ch_bd); @@ -936,10 +931,9 @@ static inline void neo_parse_lsr(struct jsm_board *brd, u32 port) static void neo_param(struct jsm_channel *ch) { u8 lcr = 0; - u8 uart_lcr = 0; - u8 ier = 0; - u32 baud = 9600; - int quot = 0; + u8 uart_lcr, ier; + u32 baud; + int quot; struct jsm_board *bd; bd = ch->ch_bd; 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++] = -- cgit v1.2.3-58-ga151