diff options
author | Jiri Slaby <xslaby@fi.muni.cz> | 2006-01-10 05:54:26 +0100 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-10 17:02:01 +0100 |
commit | a547dfe9563c49fd0f9743640e01d1d652119ec7 (patch) | |
tree | 5000f624e91855ce82b620debb98681a2cd98ed4 /drivers/char | |
parent | [PATCH] char/isicom: Firmware loading (diff) | |
download | linux-a547dfe9563c49fd0f9743640e01d1d652119ec7.tar.xz linux-a547dfe9563c49fd0f9743640e01d1d652119ec7.zip |
[PATCH] char/isicom: More whitespaces and coding style
Wrap all the code to 80 chars on a line.
`}\nelse' changed to `} else'.
Clean whitespaces in header file.
Signed-off-by: Jiri Slaby <xslaby@fi.muni.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/isicom.c | 112 |
1 files changed, 59 insertions, 53 deletions
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 55a47b33ff34..e9ebabaf8cb0 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -189,7 +189,7 @@ struct isi_board { unsigned char irq; unsigned char port_count; unsigned short status; - unsigned short port_status; /* each bit represents a single port */ + unsigned short port_status; /* each bit for each port */ unsigned short shift_count; struct isi_port * ports; signed char count; @@ -242,7 +242,9 @@ static int lock_card(struct isi_board *card) udelay(1000); /* 1ms */ } } - printk(KERN_WARNING "ISICOM: Failed to lock Card (0x%lx)\n", card->base); + printk(KERN_WARNING "ISICOM: Failed to lock Card (0x%lx)\n", + card->base); + return 0; /* Failed to aquire the card! */ } @@ -466,33 +468,36 @@ static void isicom_tx(unsigned long _data) residue = NO; wrd = 0; while (1) { - cnt = min_t(int, txcount, (SERIAL_XMIT_SIZE - port->xmit_tail)); + cnt = min_t(int, txcount, (SERIAL_XMIT_SIZE + - port->xmit_tail)); if (residue == YES) { residue = NO; if (cnt > 0) { - wrd |= (port->xmit_buf[port->xmit_tail] << 8); - port->xmit_tail = (port->xmit_tail + 1) & (SERIAL_XMIT_SIZE - 1); + wrd |= (port->xmit_buf[port->xmit_tail] + << 8); + port->xmit_tail = (port->xmit_tail + 1) + & (SERIAL_XMIT_SIZE - 1); port->xmit_cnt--; txcount--; cnt--; outw(wrd, base); - } - else { + } else { outw(wrd, base); break; } } if (cnt <= 0) break; word_count = cnt >> 1; - outsw(base, port->xmit_buf+port->xmit_tail, word_count); - port->xmit_tail = (port->xmit_tail + (word_count << 1)) & - (SERIAL_XMIT_SIZE - 1); + outsw(base, port->xmit_buf+port->xmit_tail,word_count); + port->xmit_tail = (port->xmit_tail + + (word_count << 1)) & (SERIAL_XMIT_SIZE - 1); txcount -= (word_count << 1); port->xmit_cnt -= (word_count << 1); if (cnt & 0x0001) { residue = YES; wrd = port->xmit_buf[port->xmit_tail]; - port->xmit_tail = (port->xmit_tail + 1) & (SERIAL_XMIT_SIZE - 1); + port->xmit_tail = (port->xmit_tail + 1) + & (SERIAL_XMIT_SIZE - 1); port->xmit_cnt--; txcount--; } @@ -572,8 +577,8 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs) byte_count = header & 0xff; if (channel + 1 > card->port_count) { - printk(KERN_WARNING "ISICOM: isicom_interrupt(0x%lx): %d(channel) > port_count.\n", - base, channel+1); + printk(KERN_WARNING "ISICOM: isicom_interrupt(0x%lx): " + "%d(channel) > port_count.\n", base, channel+1); if (card->isa) ClearInterrupt(base); else @@ -611,26 +616,22 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs) header = inw(base); switch(header & 0xff) { case 0: /* Change in EIA signals */ - if (port->flags & ASYNC_CHECK_CD) { if (port->status & ISI_DCD) { if (!(header & ISI_DCD)) { /* Carrier has been lost */ - pr_dbg("interrupt: DCD->low.\n"); + pr_dbg("interrupt: DCD->low.\n" + ); port->status &= ~ISI_DCD; schedule_work(&port->hangup_tq); } + } else if (header & ISI_DCD) { + /* Carrier has been detected */ + pr_dbg("interrupt: DCD->high.\n"); + port->status |= ISI_DCD; + wake_up_interruptible(&port->open_wait); } - else { - if (header & ISI_DCD) { - /* Carrier has been detected */ - pr_dbg("interrupt: DCD->high.\n"); - port->status |= ISI_DCD; - wake_up_interruptible(&port->open_wait); - } - } - } - else { + } else { if (header & ISI_DCD) port->status |= ISI_DCD; else @@ -642,19 +643,16 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs) if (header & ISI_CTS) { port->tty->hw_stopped = 0; /* start tx ing */ - port->status |= (ISI_TXOK | ISI_CTS); + port->status |= (ISI_TXOK + | ISI_CTS); schedule_work(&port->bh_tqueue); } + } else if (!(header & ISI_CTS)) { + port->tty->hw_stopped = 1; + /* stop tx ing */ + port->status &= ~(ISI_TXOK | ISI_CTS); } - else { - if (!(header & ISI_CTS)) { - port->tty->hw_stopped = 1; - /* stop tx ing */ - port->status &= ~(ISI_TXOK | ISI_CTS); - } - } - } - else { + } else { if (header & ISI_CTS) port->status |= ISI_CTS; else @@ -673,7 +671,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs) break; - case 1: /* Received Break !!! */ + case 1: /* Received Break !!! */ tty_insert_flip_char(tty, 0, TTY_BREAK); if (port->flags & ASYNC_SAK) do_SAK(tty); @@ -688,8 +686,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs) pr_dbg("Intr: Unknown code in status packet.\n"); break; } - } - else { /* Data Packet */ + } else { /* Data Packet */ count = tty_prepare_flip_string(tty, &rp, byte_count & ~1); pr_dbg("Intr: Can rx %d of %d bytes.\n", count, byte_count); @@ -697,7 +694,8 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs) insw(base, rp, word_count); byte_count -= (word_count << 1); if (count & 0x0001) { - tty_insert_flip_char(tty, inw(base) & 0xff, TTY_NORMAL); + tty_insert_flip_char(tty, inw(base) & 0xff, + TTY_NORMAL); byte_count -= 2; } if (byte_count > 0) { @@ -714,6 +712,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs) ClearInterrupt(base); else outw(0x0000, base+0x04); /* enable interrupts */ + return IRQ_HANDLED; } @@ -885,7 +884,8 @@ static int isicom_setup_port(struct isi_port *port) return 0; } -static int block_til_ready(struct tty_struct *tty, struct file *filp, struct isi_port *port) +static int block_til_ready(struct tty_struct *tty, struct file *filp, + struct isi_port *port) { struct isi_board *card = port->card; int do_clocal = 0, retval; @@ -905,7 +905,8 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, struct isi /* if non-blocking mode is set ... */ - if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) { + if ((filp->f_flags & O_NONBLOCK) || + (tty->flags & (1 << TTY_IO_ERROR))) { pr_dbg("block_til_ready: non-block mode.\n"); port->flags |= ASYNC_NORMAL_ACTIVE; return 0; @@ -1051,7 +1052,7 @@ static void isicom_shutdown_port(struct isi_port *port) card->count = 0; } - /* last port was closed , shutdown that boad too */ + /* last port was closed, shutdown that boad too */ if (C_HUPCL(tty)) { if (!card->count) isicom_shutdown_board(card); @@ -1078,14 +1079,14 @@ static void isicom_close(struct tty_struct *tty, struct file *filp) } if (tty->count == 1 && port->count != 1) { - printk(KERN_WARNING "ISICOM:(0x%lx) isicom_close: bad port count" - "tty->count = 1 port count = %d.\n", + printk(KERN_WARNING "ISICOM:(0x%lx) isicom_close: bad port " + "count tty->count = 1 port count = %d.\n", card->base, port->count); port->count = 1; } if (--port->count < 0) { - printk(KERN_WARNING "ISICOM:(0x%lx) isicom_close: bad port count for" - "channel%d = %d", card->base, port->channel, + printk(KERN_WARNING "ISICOM:(0x%lx) isicom_close: bad port " + "count for channel%d = %d", card->base, port->channel, port->count); port->count = 0; } @@ -1121,7 +1122,8 @@ static void isicom_close(struct tty_struct *tty, struct file *filp) spin_unlock_irqrestore(&card->card_lock, flags); if (port->close_delay) { pr_dbg("scheduling until time out.\n"); - msleep_interruptible(jiffies_to_msecs(port->close_delay)); + msleep_interruptible( + jiffies_to_msecs(port->close_delay)); } spin_lock_irqsave(&card->card_lock, flags); wake_up_interruptible(&port->open_wait); @@ -1149,13 +1151,14 @@ static int isicom_write(struct tty_struct *tty, const unsigned char *buf, spin_lock_irqsave(&card->card_lock, flags); while(1) { - cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt - 1, - SERIAL_XMIT_SIZE - port->xmit_head)); + cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt + - 1, SERIAL_XMIT_SIZE - port->xmit_head)); if (cnt <= 0) break; memcpy(port->xmit_buf + port->xmit_head, buf, cnt); - port->xmit_head = (port->xmit_head + cnt) & (SERIAL_XMIT_SIZE - 1); + port->xmit_head = (port->xmit_head + cnt) & (SERIAL_XMIT_SIZE + - 1); port->xmit_cnt += cnt; buf += cnt; count -= cnt; @@ -1200,7 +1203,8 @@ static void isicom_flush_chars(struct tty_struct *tty) if (isicom_paranoia_check(port, tty->name, "isicom_flush_chars")) return; - if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || !port->xmit_buf) + if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || + !port->xmit_buf) return; /* this tells the transmitter to consider this port for @@ -1233,7 +1237,8 @@ static int isicom_chars_in_buffer(struct tty_struct *tty) } /* ioctl et all */ -static inline void isicom_send_break(struct isi_port *port, unsigned long length) +static inline void isicom_send_break(struct isi_port *port, + unsigned long length) { struct isi_board *card = port->card; unsigned long base = card->base; @@ -1368,7 +1373,8 @@ static int isicom_ioctl(struct tty_struct *tty, struct file *filp, return 0; case TIOCGSOFTCAR: - return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *)argp); + return put_user(C_CLOCAL(tty) ? 1 : 0, + (unsigned long __user *)argp); case TIOCSSOFTCAR: if (get_user(arg, (unsigned long __user *) argp)) |