Signed-off-by: Jiri Slaby <[email protected]>
drivers/char/isicom.c | 150 +++++++++++++++++++++++--------------------------
include/linux/isicom.h | 21 +++---
2 files changed, 83 insertions(+), 88 deletions(-)
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -469,33 +469,36 @@ static void isicom_tx(unsigned long _dat
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--;
}
@@ -614,30 +617,24 @@ static irqreturn_t isicom_interrupt(int
header = inw(base);
switch(header & 0xff) {
case 0: /* Change in EIA signals */
-
if (port->flags & ASYNC_CHECK_CD) {
- if (port->status & ISI_DCD) {
+ if (port->status & ISI_DCD)
if (!(header & ISI_DCD)) {
/* Carrier has been lost */
-#ifdef ISICOM_DEBUG
- printk(KERN_DEBUG "ISICOM: interrupt: DCD->low.\n");
-#endif
+ pr_deb(KERN_DEBUG "ISICOM: "
+ "interrupt: "
+ "DCD->low.\n");
port->status &= ~ISI_DCD;
schedule_work(&port->hangup_tq);
}
- }
- else {
- if (header & ISI_DCD) {
+ else if (header & ISI_DCD) {
/* Carrier has been detected */
-#ifdef ISICOM_DEBUG
- printk(KERN_DEBUG "ISICOM: interrupt: DCD->high.\n");
-#endif
- port->status |= ISI_DCD;
- wake_up_interruptible(&port->open_wait);
- }
+ printk(KERN_DEBUG "ISICOM: 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
@@ -649,19 +646,16 @@ static irqreturn_t isicom_interrupt(int
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
@@ -680,7 +674,7 @@ static irqreturn_t isicom_interrupt(int
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);
@@ -688,31 +682,31 @@ static irqreturn_t isicom_interrupt(int
break;
case 2: /* Statistics */
- printk(KERN_DEBUG "ISICOM: isicom_interrupt: stats!!!.\n");
+ printk(KERN_DEBUG "ISICOM: isicom_interrupt: "
+ "stats!!!.\n");
break;
default:
- printk(KERN_WARNING "ISICOM: Intr: Unknown code in status packet.\n");
+ printk(KERN_WARNING "ISICOM: Intr: Unknown code in "
+ "status packet.\n");
break;
}
- }
- else { /* Data Packet */
-
+ } else { /* Data Packet */
count = tty_prepare_flip_string(tty, &rp, byte_count & ~1);
-#ifdef ISICOM_DEBUG
- printk(KERN_DEBUG "ISICOM: Intr: Can rx %d of %d bytes.\n",
- count, byte_count);
-#endif
+ pr_deb(KERN_DEBUG "ISICOM: Intr: Can rx %d of %d bytes.\n",
+ count, byte_count);
word_count = count >> 1;
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) {
- printk(KERN_DEBUG "ISICOM: Intr(0x%x:%d): Flip buffer overflow! dropping bytes...\n",
- base, channel+1);
+ printk(KERN_DEBUG "ISICOM: Intr(0x%x:%d): Flip buffer "
+ "overflow! dropping bytes...\n", base,
+ channel + 1);
while(byte_count > 0) { /* drain out unread xtra data */
inw(base);
byte_count -= 2;
@@ -724,6 +718,7 @@ static irqreturn_t isicom_interrupt(int
ClearInterrupt(base);
else
outw(0x0000, base+0x04); /* enable interrupts */
+
return IRQ_HANDLED;
}
@@ -894,7 +889,8 @@ static int isicom_setup_port(struct isi_
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;
@@ -904,9 +900,8 @@ static int block_til_ready(struct tty_st
/* block if port is in the process of being closed */
if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) {
-#ifdef ISICOM_DEBUG
- printk(KERN_DEBUG "ISICOM: block_til_ready: close in progress.\n");
-#endif
+ pr_deb(KERN_DEBUG "ISICOM: block_til_ready: close in "
+ "progress.\n");
interruptible_sleep_on(&port->close_wait);
if (port->flags & ASYNC_HUP_NOTIFY)
return -EAGAIN;
@@ -916,10 +911,9 @@ static int block_til_ready(struct tty_st
/* if non-blocking mode is set ... */
- if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) {
-#ifdef ISICOM_DEBUG
- printk(KERN_DEBUG "ISICOM: block_til_ready: non-block mode.\n");
-#endif
+ if ((filp->f_flags & O_NONBLOCK) ||
+ (tty->flags & (1 << TTY_IO_ERROR))) {
+ pr_deb(KERN_DEBUG "ISICOM: block_til_ready: non-block mode.\n");
port->flags |= ASYNC_NORMAL_ACTIVE;
return 0;
}
@@ -1059,12 +1053,12 @@ static void isicom_shutdown_port(struct
set_bit(TTY_IO_ERROR, &tty->flags);
if (--card->count < 0) {
- printk(KERN_DEBUG "ISICOM: isicom_shutdown_port: bad board(0x%x) count %d.\n",
- card->base, card->count);
+ printk(KERN_DEBUG "ISICOM: isicom_shutdown_port: bad "
+ "board(0x%x) count %d.\n", card->base, card->count);
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);
@@ -1082,9 +1076,7 @@ static void isicom_close(struct tty_stru
if (isicom_paranoia_check(port, tty->name, "isicom_close"))
return;
-#ifdef ISICOM_DEBUG
- printk(KERN_DEBUG "ISICOM: Close start!!!.\n");
-#endif
+ pr_deb(KERN_DEBUG "ISICOM: Close start!!!.\n");
spin_lock_irqsave(&card->card_lock, flags);
if (tty_hung_up_p(filp)) {
@@ -1093,14 +1085,14 @@ static void isicom_close(struct tty_stru
}
if (tty->count == 1 && port->count != 1) {
- printk(KERN_WARNING "ISICOM:(0x%x) isicom_close: bad port count"
- "tty->count = 1 port count = %d.\n",
- card->base, port->count);
+ printk(KERN_WARNING "ISICOM:(0x%x) 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%x) isicom_close: bad port count for"
- "channel%d = %d", card->base, port->channel,
+ printk(KERN_WARNING "ISICOM:(0x%x) isicom_close: bad port "
+ "count for channel%d = %d", card->base, port->channel,
port->count);
port->count = 0;
}
@@ -1135,10 +1127,10 @@ static void isicom_close(struct tty_stru
if (port->blocked_open) {
spin_unlock_irqrestore(&card->card_lock, flags);
if (port->close_delay) {
-#ifdef ISICOM_DEBUG
- printk(KERN_DEBUG "ISICOM: scheduling until time out.\n");
-#endif
- msleep_interruptible(jiffies_to_msecs(port->close_delay));
+ printk(KERN_DEBUG "ISICOM: scheduling until time "
+ "out.\n");
+ msleep_interruptible(
+ jiffies_to_msecs(port->close_delay));
}
spin_lock_irqsave(&card->card_lock, flags);
wake_up_interruptible(&port->open_wait);
@@ -1166,13 +1158,14 @@ static int isicom_write(struct tty_struc
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;
@@ -1217,7 +1210,8 @@ static void isicom_flush_chars(struct tt
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
@@ -1250,7 +1244,8 @@ static int isicom_chars_in_buffer(struct
}
/* 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;
u16 base = card->base;
@@ -1385,7 +1380,8 @@ static int isicom_ioctl(struct tty_struc
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))
diff --git a/include/linux/isicom.h b/include/linux/isicom.h
--- a/include/linux/isicom.h
+++ b/include/linux/isicom.h
@@ -9,7 +9,7 @@
#define YES 1
#define NO 0
-/*
+/*
* ISICOM Driver definitions ...
*
*/
@@ -20,8 +20,8 @@
* PCI definitions
*/
- #define DEVID_COUNT 9
- #define VENDOR_ID 0x10b5
+#define DEVID_COUNT 9
+#define VENDOR_ID 0x10b5
/*
* These are now officially allocated numbers
@@ -31,9 +31,9 @@
#define ISICOM_CMAJOR 113 /* callout */
#define ISICOM_MAGIC (('M' << 8) | 'T')
-#define WAKEUP_CHARS 256 /* hard coded for now */
-#define TX_SIZE 254
-
+#define WAKEUP_CHARS 256 /* hard coded for now */
+#define TX_SIZE 254
+
#define BOARD_COUNT 4
#define PORT_COUNT (BOARD_COUNT*16)
@@ -66,12 +66,12 @@
#define BOARD(line) (((line) >> 4) & 0x3)
/* isi kill queue bitmap */
-
+
#define ISICOM_KILLTX 0x01
#define ISICOM_KILLRX 0x02
/* isi_board status bitmap */
-
+
#define FIRMWARE_LOADED 0x0001
#define BOARD_ACTIVE 0x0002
@@ -85,9 +85,8 @@
#define ISI_RTS 0x0200
-#define ISI_TXOK 0x0001
-
+#define ISI_TXOK 0x0001
+
#endif /* __KERNEL__ */
#endif /* ISICOM_H */
-
-
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