Re: [PATCH FIXED 1/3] staging: dgnc: Patch includes spacing fixes
From: Sanidhya Solanki
Date: Tue Dec 15 2015 - 00:58:17 EST
Patch contains the spacing fixes that led to checkpatch.pl warnings.
Signed-off-by: Sanidhya Solanki <jpage.lkml@xxxxxxxxx>
---
drivers/staging/dgnc/dgnc_cls.c | 4 +-
drivers/staging/dgnc/dgnc_driver.h | 8 --
drivers/staging/dgnc/dgnc_neo.c | 235 ++++++++++++++++++++++++-------------
drivers/staging/dgnc/dgnc_neo.h | 22 ++--
drivers/staging/dgnc/dgnc_pci.h | 1 -
drivers/staging/dgnc/dgnc_sysfs.c | 18 ++-
drivers/staging/dgnc/dgnc_tty.c | 46 +++++---
drivers/staging/dgnc/digi.h | 32 ++---
8 files changed, 223 insertions(+), 143 deletions(-)
diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c
index 75040da..d312d35 100644
--- a/drivers/staging/dgnc/dgnc_cls.c
+++ b/drivers/staging/dgnc/dgnc_cls.c
@@ -1168,8 +1168,8 @@ static void cls_uart_init(struct channel_t *ch)
/* Clear out UART and FIFO */
readb(&ch->ch_cls_uart->txrx);
- writeb((UART_FCR_ENABLE_FIFO|UART_FCR_CLEAR_RCVR|UART_FCR_CLEAR_XMIT),
- &ch->ch_cls_uart->isr_fcr);
+ writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR |
+ UART_FCR_CLEAR_XMIT), &ch->ch_cls_uart->isr_fcr);
udelay(10);
ch->ch_flags |= (CH_FIFO_ENABLED | CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
diff --git a/drivers/staging/dgnc/dgnc_driver.h b/drivers/staging/dgnc/dgnc_driver.h
index ce7cd9b..e4be81b 100644
--- a/drivers/staging/dgnc/dgnc_driver.h
+++ b/drivers/staging/dgnc/dgnc_driver.h
@@ -88,7 +88,6 @@
#define _POSIX_VDISABLE '\0'
#endif
-
/*
* All the possible states the driver can be while being loaded.
*/
@@ -106,7 +105,6 @@ enum {
BOARD_READY
};
-
/*************************************************************************
*
* Structures and closely related defines.
@@ -145,7 +143,6 @@ struct board_ops {
************************************************************************/
#define BD_IS_PCI_EXPRESS 0x0001 /* Is a PCI Express board */
-
/*
* Per-board information
*/
@@ -241,7 +238,6 @@ struct dgnc_board {
};
-
/************************************************************************
* Unit flag definitions for un_flags.
************************************************************************/
@@ -277,7 +273,6 @@ struct un_t {
struct device *un_sysfs;
};
-
/************************************************************************
* Device flag definitions for ch_flags.
************************************************************************/
@@ -300,7 +295,6 @@ struct un_t {
#define CH_FORCED_STOP 0x20000 /* Output is forcibly stopped */
#define CH_FORCED_STOPI 0x40000 /* Input is forcibly stopped */
-
/* Our Read/Error/Write queue sizes */
#define RQUEUEMASK 0x1FFF /* 8 K - 1 */
#define EQUEUEMASK 0x1FFF /* 8 K - 1 */
@@ -309,7 +303,6 @@ struct un_t {
#define EQUEUESIZE RQUEUESIZE
#define WQUEUESIZE (WQUEUEMASK + 1)
-
/************************************************************************
* Channel information structure.
************************************************************************/
@@ -397,7 +390,6 @@ struct channel_t {
ulong ch_intr_tx; /* Count of interrupts */
ulong ch_intr_rx; /* Count of interrupts */
-
/* /proc/<board>/<channel> entries */
struct proc_dir_entry *proc_entry_pointer;
struct dgnc_proc_entry *dgnc_channel_table;
diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c
index 8106f52..2b94b75 100644
--- a/drivers/staging/dgnc/dgnc_neo.c
+++ b/drivers/staging/dgnc/dgnc_neo.c
@@ -77,7 +77,8 @@ struct board_ops dgnc_neo_ops = {
.send_immediate_char = neo_send_immediate_char
};
-static uint dgnc_offset_table[8] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 };
+static uint dgnc_offset_table[8] = { 0x01, 0x02, 0x04, 0x08,
+ 0x10, 0x20, 0x40, 0x80 };
/*
* This function allows calls to ensure that all outstanding
@@ -109,14 +110,17 @@ static inline void neo_set_cts_flow_control(struct channel_t *ch)
/* Turn off auto Xon flow control */
efr &= ~UART_17158_EFR_IXON;
- /* Why? Becuz Exar's spec says we have to zero it out before setting it */
+ /* Why? Becuz Exar's spec says we have to
+ * zero it out before setting it.
+ */
writeb(0, &ch->ch_neo_uart->efr);
/* Turn on UART enhanced bits */
writeb(efr, &ch->ch_neo_uart->efr);
/* Turn on table D, with 8 char hi/low watermarks */
- writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_4DELAY), &ch->ch_neo_uart->fctr);
+ writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_4DELAY),
+ &ch->ch_neo_uart->fctr);
/* Feed the UART our trigger levels */
writeb(8, &ch->ch_neo_uart->tfifo);
@@ -144,13 +148,16 @@ static inline void neo_set_rts_flow_control(struct channel_t *ch)
ier &= ~UART_17158_IER_XOFF;
efr &= ~UART_17158_EFR_IXOFF;
- /* Why? Becuz Exar's spec says we have to zero it out before setting it */
+ /* Why? Becuz Exar's spec says we have to
+ * zero it out before setting it.
+ */
writeb(0, &ch->ch_neo_uart->efr);
/* Turn on UART enhanced bits */
writeb(efr, &ch->ch_neo_uart->efr);
- writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_4DELAY), &ch->ch_neo_uart->fctr);
+ writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_4DELAY),
+ &ch->ch_neo_uart->fctr);
ch->ch_r_watermark = 4;
writeb(32, &ch->ch_neo_uart->rfifo);
@@ -181,13 +188,16 @@ static inline void neo_set_ixon_flow_control(struct channel_t *ch)
/* Turn on auto Xon flow control */
efr |= (UART_17158_EFR_ECB | UART_17158_EFR_IXON);
- /* Why? Becuz Exar's spec says we have to zero it out before setting it */
+ /* Why? Becuz Exar's spec says we have to
+ * zero it out before setting it.
+ */
writeb(0, &ch->ch_neo_uart->efr);
/* Turn on UART enhanced bits */
writeb(efr, &ch->ch_neo_uart->efr);
- writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY), &ch->ch_neo_uart->fctr);
+ writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY),
+ &ch->ch_neo_uart->fctr);
ch->ch_r_watermark = 4;
writeb(32, &ch->ch_neo_uart->rfifo);
@@ -218,14 +228,17 @@ static inline void neo_set_ixoff_flow_control(struct channel_t *ch)
ier |= UART_17158_IER_XOFF;
efr |= (UART_17158_EFR_ECB | UART_17158_EFR_IXOFF);
- /* Why? Becuz Exar's spec says we have to zero it out before setting it */
+ /* Why? Becuz Exar's spec says we have to
+ * zero it out before setting it.
+ */
writeb(0, &ch->ch_neo_uart->efr);
/* Turn on UART enhanced bits */
writeb(efr, &ch->ch_neo_uart->efr);
/* Turn on table D, with 8 char hi/low watermarks */
- writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY), &ch->ch_neo_uart->fctr);
+ writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY),
+ &ch->ch_neo_uart->fctr);
writeb(8, &ch->ch_neo_uart->tfifo);
ch->ch_t_tlevel = 8;
@@ -258,14 +271,17 @@ static inline void neo_set_no_input_flow_control(struct channel_t *ch)
else
efr &= ~(UART_17158_EFR_ECB | UART_17158_EFR_IXOFF);
- /* Why? Becuz Exar's spec says we have to zero it out before setting it */
+ /* Why? Becuz Exar's spec says we have to
+ * zero it out before setting it.
+ */
writeb(0, &ch->ch_neo_uart->efr);
/* Turn on UART enhanced bits */
writeb(efr, &ch->ch_neo_uart->efr);
/* Turn on table D, with 8 char hi/low watermarks */
- writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY), &ch->ch_neo_uart->fctr);
+ writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY),
+ &ch->ch_neo_uart->fctr);
ch->ch_r_watermark = 0;
@@ -295,14 +311,17 @@ static inline void neo_set_no_output_flow_control(struct channel_t *ch)
else
efr &= ~(UART_17158_EFR_ECB | UART_17158_EFR_IXON);
- /* Why? Becuz Exar's spec says we have to zero it out before setting it */
+ /* Why? Becuz Exar's spec says we have to
+ * zero it out before setting it.
+ */
writeb(0, &ch->ch_neo_uart->efr);
/* Turn on UART enhanced bits */
writeb(efr, &ch->ch_neo_uart->efr);
/* Turn on table D, with 8 char hi/low watermarks */
- writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY), &ch->ch_neo_uart->fctr);
+ writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY),
+ &ch->ch_neo_uart->fctr);
ch->ch_r_watermark = 0;
@@ -321,7 +340,8 @@ static inline void neo_set_no_output_flow_control(struct channel_t *ch)
static inline void neo_set_new_start_stop_chars(struct channel_t *ch)
{
/* if hardware flow control is set, then skip this whole thing */
- if (ch->ch_digi.digi_flags & (CTSPACE | RTSPACE) || ch->ch_c_cflag & CRTSCTS)
+ if (ch->ch_digi.digi_flags & (CTSPACE | RTSPACE) ||
+ ch->ch_c_cflag & CRTSCTS)
return;
/* Tell UART what start/stop chars it should be looking for */
@@ -352,7 +372,7 @@ static inline void neo_clear_break(struct channel_t *ch, int force)
/* Turn break off, and unset some variables */
if (ch->ch_flags & CH_BREAK_SENDING) {
if (time_after_eq(jiffies, ch->ch_stop_sending_break)
- || force) {
+ || force) {
unsigned char temp = readb(&ch->ch_neo_uart->lcr);
writeb((temp & ~UART_LCR_SBC), &ch->ch_neo_uart->lcr);
@@ -393,7 +413,8 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
break;
/*
- * Yank off the upper 2 bits, which just show that the FIFO's are enabled.
+ * Yank off the upper 2 bits, which just show
+ * that the FIFO's are enabled.
*/
isr &= ~(UART_17158_IIR_FIFO_ENABLED);
@@ -403,7 +424,9 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
ch->ch_intr_rx++;
neo_copy_data_from_uart_to_queue(ch);
- /* Call our tty layer to enforce queue flow control if needed. */
+ /* Call our tty layer to enforce queue
+ * flow control if needed.
+ */
spin_lock_irqsave(&ch->ch_lock, flags);
dgnc_check_queue_flow_control(ch);
spin_unlock_irqrestore(&ch->ch_lock, flags);
@@ -428,7 +451,7 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
* one it was, so we can suspend or resume data flow.
*/
if (cause == UART_17158_XON_DETECT) {
- /* Is output stopped right now, if so, resume it */
+ /* Is output stopped right now, if so, resume it */
if (brd->channels[port]->ch_flags & CH_STOP) {
spin_lock_irqsave(&ch->ch_lock,
flags);
@@ -437,7 +460,8 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
flags);
}
} else if (cause == UART_17158_XOFF_DETECT) {
- if (!(brd->channels[port]->ch_flags & CH_STOP)) {
+ if (!(brd->channels[port]->ch_flags &
+ CH_STOP)) {
spin_lock_irqsave(&ch->ch_lock,
flags);
ch->ch_flags |= CH_STOP;
@@ -449,8 +473,9 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
if (isr & UART_17158_IIR_HWFLOW_STATE_CHANGE) {
/*
- * If we get here, this means the hardware is doing auto flow control.
- * Check to see whether RTS/DTR or CTS/DSR caused this interrupt.
+ * If we get here, this means the hardware is
+ * doing auto flow control. Check to see whether
+ * RTS/DTR or CTS/DSR caused this interrupt.
*/
brd->intr_modem++;
ch->ch_intr_modem++;
@@ -542,10 +567,11 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port)
if (linestatus & UART_LSR_OE) {
/*
- * Rx Oruns. Exar says that an orun will NOT corrupt
- * the FIFO. It will just replace the holding register
- * with this new data byte. So basically just ignore this.
- * Probably we should eventually have an orun stat in our driver...
+ * Rx Oruns. Exar says that an orun will NOT
+ * corrupt the FIFO. It will just replace the
+ * holding register with this new data byte.
+ * So basically just ignore this. Probably we
+ * should eventually have an orun stat in our driver.
*/
ch->ch_err_overrun++;
}
@@ -665,8 +691,11 @@ static void neo_param(struct tty_struct *tty)
4800, 9600, 19200, 38400 }
};
- /* Only use the TXPrint baud rate if the terminal unit is NOT open */
- if (!(ch->ch_tun.un_flags & UN_ISOPEN) && (un->un_type == DGNC_PRINT))
+ /* Only use the TXPrint baud rate if the
+ * terminal unit is NOT open.
+ */
+ if (!(ch->ch_tun.un_flags & UN_ISOPEN) &&
+ (un->un_type == DGNC_PRINT))
baud = C_BAUD(ch->ch_pun.un_tty) & 0xff;
else
baud = C_BAUD(ch->ch_tun.un_tty) & 0xff;
@@ -679,7 +708,8 @@ static void neo_param(struct tty_struct *tty)
jindex = baud;
- if ((iindex >= 0) && (iindex < 4) && (jindex >= 0) && (jindex < 16))
+ if ((iindex >= 0) && (iindex < 4) && (jindex >= 0)
+ && (jindex < 16))
baud = bauds[iindex][jindex];
else
baud = 0;
@@ -763,8 +793,9 @@ static void neo_param(struct tty_struct *tty)
ier &= ~(UART_IER_RDI | UART_IER_RLSI);
/*
- * Have the UART interrupt on modem signal changes ONLY when
- * we are in hardware flow control mode, or CLOCAL/FORCEDCD is not set.
+ * Have the UART interrupt on modem signal changes
+ * ONLY when we are in hardware flow control mode,
+ * or CLOCAL/FORCEDCD is not set.
*/
if ((ch->ch_digi.digi_flags & CTSPACE) ||
(ch->ch_digi.digi_flags & RTSPACE) ||
@@ -786,8 +817,11 @@ static void neo_param(struct tty_struct *tty)
if (ch->ch_digi.digi_flags & CTSPACE || ch->ch_c_cflag & CRTSCTS) {
neo_set_cts_flow_control(ch);
} else if (ch->ch_c_iflag & IXON) {
- /* If start/stop is set to disable, then we should disable flow control */
- if ((ch->ch_startc == _POSIX_VDISABLE) || (ch->ch_stopc == _POSIX_VDISABLE))
+ /* If start/stop is set to disable, then we
+ * should disable flow control.
+ */
+ if ((ch->ch_startc == _POSIX_VDISABLE) ||
+ (ch->ch_stopc == _POSIX_VDISABLE))
neo_set_no_output_flow_control(ch);
else
neo_set_ixon_flow_control(ch);
@@ -798,8 +832,11 @@ static void neo_param(struct tty_struct *tty)
if (ch->ch_digi.digi_flags & RTSPACE || ch->ch_c_cflag & CRTSCTS) {
neo_set_rts_flow_control(ch);
} else if (ch->ch_c_iflag & IXOFF) {
- /* If start/stop is set to disable, then we should disable flow control */
- if ((ch->ch_startc == _POSIX_VDISABLE) || (ch->ch_stopc == _POSIX_VDISABLE))
+ /* If start/stop is set to disable, then we should
+ * disable flow control.
+ */
+ if ((ch->ch_startc == _POSIX_VDISABLE) ||
+ (ch->ch_stopc == _POSIX_VDISABLE))
neo_set_no_input_flow_control(ch);
else
neo_set_ixoff_flow_control(ch);
@@ -808,9 +845,10 @@ static void neo_param(struct tty_struct *tty)
}
/*
- * Adjust the RX FIFO Trigger level if baud is less than 9600.
- * Not exactly elegant, but this is needed because of the Exar chip's
- * delay on firing off the RX FIFO interrupt on slower baud rates.
+ * Adjust the RX FIFO Trigger level if baud is less
+ * than 9600. Not exactly elegant, but this is needed
+ * because of the Exar chip's delay on firing off the
+ * RX FIFO interrupt on slower baud rates.
*/
if (baud < 9600) {
writeb(1, &ch->ch_neo_uart->rfifo);
@@ -845,13 +883,14 @@ static void neo_tasklet(unsigned long data)
spin_unlock_irqrestore(&bd->bd_lock, flags);
/*
- * Do NOT allow the interrupt routine to read the intr registers
- * Until we release this lock.
+ * Do NOT allow the interrupt routine to read the
+ * intr registers. Until we release this lock.
*/
spin_lock_irqsave(&bd->bd_intr_lock, flags);
/*
- * If board is ready, parse deeper to see if there is anything to do.
+ * If board is ready, parse deeper to see if there is
+ * anything to do.
*/
if ((state == BOARD_READY) && (ports > 0)) {
/* Loop on each port */
@@ -938,14 +977,17 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
/*
* If 0, no interrupts pending.
- * This can happen if the IRQ is shared among a couple Neo/Classic boards.
+ * This can happen if the IRQ is shared among a couple
+ * Neo/Classic boards.
*/
if (!uart_poll) {
spin_unlock_irqrestore(&brd->bd_intr_lock, flags);
return IRQ_NONE;
}
- /* At this point, we have at least SOMETHING to service, dig further... */
+ /* At this point, we have at least SOMETHING to service,
+ * dig further...
+ */
current_port = 0;
@@ -967,7 +1009,7 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
uart_poll &= ~(dgnc_offset_table[port]);
if (!type) {
- /* If no type, just ignore it, and move onto next port */
+ /* If no type, just ignore it, and move onto next port */
continue;
}
@@ -986,7 +1028,9 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
ch = brd->channels[port];
neo_copy_data_from_uart_to_queue(ch);
- /* Call our tty layer to enforce queue flow control if needed. */
+ /* Call our tty layer to enforce queue flow
+ * control if needed.
+ */
spin_lock_irqsave(&ch->ch_lock, flags2);
dgnc_check_queue_flow_control(ch);
spin_unlock_irqrestore(&ch->ch_lock, flags2);
@@ -1002,16 +1046,18 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
case UART_17158_TXRDY:
/*
- * TXRDY interrupt clears after reading ISR register for the UART channel.
+ * TXRDY interrupt clears after reading ISR
+ * register for the UART channel.
*/
/*
* Yes, this is odd...
- * Why would I check EVERY possibility of type of
- * interrupt, when we know its TXRDY???
- * Becuz for some reason, even tho we got triggered for TXRDY,
- * it seems to be occasionally wrong. Instead of TX, which
- * it should be, I was getting things like RXDY too. Weird.
+ * Why would I check EVERY possibility of type
+ * of interrupt, when we know its TXRDY???
+ * Becuz for some reason, even tho we got triggered
+ * for TXRDY, it seems to be occasionally wrong.
+ * Instead of TX, which it should be, I was getting
+ * things like RXDY too. Weird.
*/
neo_parse_isr(brd, port);
continue;
@@ -1026,9 +1072,9 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
default:
/*
* The UART triggered us with a bogus interrupt type.
- * It appears the Exar chip, when REALLY bogged down, will throw
- * these once and awhile.
- * Its harmless, just ignore it and move on.
+ * It appears the Exar chip, when REALLY bogged down,
+ * will throw these once and awhile. Its harmless,
+ * just ignore it and move on.
*/
continue;
}
@@ -1172,7 +1218,8 @@ static void neo_copy_data_from_uart_to_queue(struct channel_t *ch)
linestatus = 0;
/* Copy data from uart to the queue */
- memcpy_fromio(ch->ch_rqueue + head, &ch->ch_neo_uart->txrxburst, n);
+ memcpy_fromio(ch->ch_rqueue + head,
+ &ch->ch_neo_uart->txrxburst, n);
/*
* Since RX_FIFO_DATA_ERROR was 0, we are guaranteed
@@ -1225,7 +1272,8 @@ static void neo_copy_data_from_uart_to_queue(struct channel_t *ch)
* we don't miss our TX FIFO emptys.
*/
if (linestatus & (UART_LSR_THRE | UART_17158_TX_AND_FIFO_CLR)) {
- linestatus &= ~(UART_LSR_THRE | UART_17158_TX_AND_FIFO_CLR);
+ linestatus &= ~(UART_LSR_THRE |
+ UART_17158_TX_AND_FIFO_CLR);
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
}
@@ -1236,17 +1284,19 @@ static void neo_copy_data_from_uart_to_queue(struct channel_t *ch)
unsigned char discard;
linestatus = 0;
- memcpy_fromio(&discard, &ch->ch_neo_uart->txrxburst, 1);
+ memcpy_fromio(&discard,
+ &ch->ch_neo_uart->txrxburst, 1);
continue;
}
/*
- * If our queue is full, we have no choice but to drop some data.
- * The assumption is that HWFLOW or SWFLOW should have stopped
- * things way way before we got to this point.
+ * If our queue is full, we have no choice but to
+ * drop some data. The assumption is that HWFLOW
+ * or SWFLOW should have stopped things way way
+ * before we got to this point.
*
- * I decided that I wanted to ditch the oldest data first,
- * I hope thats okay with everyone? Yes? Good.
+ * I decided that I wanted to ditch the oldest data
+ * first, I hope thats okay with everyone? Yes? Good.
*/
while (qleft < 1) {
tail = (tail + 1) & RQUEUEMASK;
@@ -1255,7 +1305,8 @@ static void neo_copy_data_from_uart_to_queue(struct channel_t *ch)
qleft++;
}
- memcpy_fromio(ch->ch_rqueue + head, &ch->ch_neo_uart->txrxburst, 1);
+ memcpy_fromio(ch->ch_rqueue + head,
+ &ch->ch_neo_uart->txrxburst, 1);
ch->ch_equeue[head] = (unsigned char)linestatus;
/* Ditch any remaining linestatus value. */
@@ -1309,7 +1360,8 @@ static int neo_drain(struct tty_struct *tty, uint seconds)
*
* NOTE: TODO: Do something with time passed in.
*/
- rc = wait_event_interruptible(un->un_flags_wait, ((un->un_flags & UN_EMPTY) == 0));
+ rc = wait_event_interruptible(un->un_flags_wait,
+ ((un->un_flags & UN_EMPTY) == 0));
/* If ret is non-zero, user ctrl-c'ed us */
return rc;
@@ -1328,11 +1380,14 @@ static void neo_flush_uart_write(struct channel_t *ch)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
- writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT), &ch->ch_neo_uart->isr_fcr);
+ writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT),
+ &ch->ch_neo_uart->isr_fcr);
neo_pci_posting_flush(ch->ch_bd);
for (i = 0; i < 10; i++) {
- /* Check to see if the UART feels it completely flushed the FIFO. */
+ /* Check to see if the UART feels it completely
+ * flushed the FIFO.
+ */
tmp = readb(&ch->ch_neo_uart->isr_fcr);
if (tmp & 4)
udelay(10);
@@ -1356,11 +1411,14 @@ static void neo_flush_uart_read(struct channel_t *ch)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
- writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR), &ch->ch_neo_uart->isr_fcr);
+ writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR),
+ &ch->ch_neo_uart->isr_fcr);
neo_pci_posting_flush(ch->ch_bd);
for (i = 0; i < 10; i++) {
- /* Check to see if the UART feels it completely flushed the FIFO. */
+ /* Check to see if the UART feels it completely
+ * flushed the FIFO.
+ */
tmp = readb(&ch->ch_neo_uart->isr_fcr);
if (tmp & 2)
udelay(10);
@@ -1405,8 +1463,9 @@ static void neo_copy_data_from_queue_to_uart(struct channel_t *ch)
ch->ch_cached_lsr &= ~(UART_LSR_THRE);
/*
- * If RTS Toggle mode is on, turn on RTS now if not already set,
- * and make sure we get an event when the data transfer has completed.
+ * If RTS Toggle mode is on, turn on RTS now if
+ * not already set, and make sure we get an event
+ * when the data transfer has completed.
*/
if (ch->ch_digi.digi_flags & DIGI_RTS_TOGGLE) {
if (!(ch->ch_mostat & UART_MCR_RTS)) {
@@ -1416,8 +1475,9 @@ static void neo_copy_data_from_queue_to_uart(struct channel_t *ch)
ch->ch_tun.un_flags |= (UN_EMPTY);
}
/*
- * If DTR Toggle mode is on, turn on DTR now if not already set,
- * and make sure we get an event when the data transfer has completed.
+ * If DTR Toggle mode is on, turn on DTR now if not
+ * already set, and make sure we get an event when
+ * the data transfer has completed.
*/
if (ch->ch_digi.digi_flags & DIGI_DTR_TOGGLE) {
if (!(ch->ch_mostat & UART_MCR_DTR)) {
@@ -1427,7 +1487,8 @@ static void neo_copy_data_from_queue_to_uart(struct channel_t *ch)
ch->ch_tun.un_flags |= (UN_EMPTY);
}
- writeb(ch->ch_wqueue[ch->ch_w_tail], &ch->ch_neo_uart->txrx);
+ writeb(ch->ch_wqueue[ch->ch_w_tail],
+ &ch->ch_neo_uart->txrx);
ch->ch_w_tail++;
ch->ch_w_tail &= WQUEUEMASK;
ch->ch_txcount++;
@@ -1471,8 +1532,9 @@ static void neo_copy_data_from_queue_to_uart(struct channel_t *ch)
break;
/*
- * If RTS Toggle mode is on, turn on RTS now if not already set,
- * and make sure we get an event when the data transfer has completed.
+ * If RTS Toggle mode is on, turn on RTS now if not
+ * already set, and make sure we get an event when
+ * the data transfer has completed.
*/
if (ch->ch_digi.digi_flags & DIGI_RTS_TOGGLE) {
if (!(ch->ch_mostat & UART_MCR_RTS)) {
@@ -1483,8 +1545,9 @@ static void neo_copy_data_from_queue_to_uart(struct channel_t *ch)
}
/*
- * If DTR Toggle mode is on, turn on DTR now if not already set,
- * and make sure we get an event when the data transfer has completed.
+ * If DTR Toggle mode is on, turn on DTR now if not
+ * already set, and make sure we get an event when
+ * the data transfer has completed.
*/
if (ch->ch_digi.digi_flags & DIGI_DTR_TOGGLE) {
if (!(ch->ch_mostat & UART_MCR_DTR)) {
@@ -1494,7 +1557,8 @@ static void neo_copy_data_from_queue_to_uart(struct channel_t *ch)
ch->ch_tun.un_flags |= (UN_EMPTY);
}
- memcpy_toio(&ch->ch_neo_uart->txrxburst, ch->ch_wqueue + tail, s);
+ memcpy_toio(&ch->ch_neo_uart->txrxburst,
+ ch->ch_wqueue + tail, s);
/* Add and flip queue if needed */
tail = (tail + s) & WQUEUEMASK;
@@ -1547,7 +1611,9 @@ static void neo_parse_modem(struct channel_t *ch, unsigned char signals)
}
}
- /* Scrub off lower bits. They signify delta's, which I don't care about */
+ /* Scrub off lower bits. They signify delta's,
+ * which I don't care about.
+ */
msignals &= 0xf0;
if (msignals & UART_MSR_DCD)
@@ -1628,7 +1694,8 @@ static void neo_uart_init(struct channel_t *ch)
/* Clear out UART and FIFO */
readb(&ch->ch_neo_uart->txrx);
- writeb((UART_FCR_ENABLE_FIFO|UART_FCR_CLEAR_RCVR|UART_FCR_CLEAR_XMIT), &ch->ch_neo_uart->isr_fcr);
+ writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR
+ | UART_FCR_CLEAR_XMIT), &ch->ch_neo_uart->isr_fcr);
readb(&ch->ch_neo_uart->lsr);
readb(&ch->ch_neo_uart->msr);
@@ -1725,7 +1792,8 @@ static void neo_send_immediate_char(struct channel_t *ch, unsigned char c)
neo_pci_posting_flush(ch->ch_bd);
}
-static unsigned int neo_read_eeprom(unsigned char __iomem *base, unsigned int address)
+static unsigned int neo_read_eeprom(unsigned char __iomem *base,
+ unsigned int address)
{
unsigned int enable;
unsigned int bits;
@@ -1779,12 +1847,13 @@ static void neo_vpd(struct dgnc_board *brd)
/* Store the VPD into our buffer */
for (i = 0; i < NEO_VPD_IMAGESIZE; i++) {
a = neo_read_eeprom(brd->re_map_membase, i);
- brd->vpd[i*2] = a & 0xff;
- brd->vpd[(i*2)+1] = (a >> 8) & 0xff;
+ brd->vpd[i * 2] = a & 0xff;
+ brd->vpd[(i * 2) + 1] = (a >> 8) & 0xff;
}
if (((brd->vpd[0x08] != 0x82) /* long resource name tag */
- && (brd->vpd[0x10] != 0x82)) /* long resource name tag (PCI-66 files)*/
+ && (brd->vpd[0x10] != 0x82))
+ /* long resource nametag (PCI-66 files)*/
|| (brd->vpd[0x7F] != 0x78)) { /* small resource end tag */
memset(brd->vpd, '\0', NEO_VPD_IMAGESIZE);
diff --git a/drivers/staging/dgnc/dgnc_neo.h b/drivers/staging/dgnc/dgnc_neo.h
index c528df5..5be232f 100644
--- a/drivers/staging/dgnc/dgnc_neo.h
+++ b/drivers/staging/dgnc/dgnc_neo.h
@@ -30,7 +30,8 @@
struct neo_uart_struct {
u8 txrx; /* WR RHR/THR - Holding Reg */
u8 ier; /* WR IER - Interrupt Enable Reg */
- u8 isr_fcr; /* WR ISR/FCR - Interrupt Status Reg/Fifo Control Reg */
+ u8 isr_fcr;
+ /* WR ISR/FCR - Interrupt Status Reg/Fifo Control Reg */
u8 lcr; /* WR LCR - Line Control Reg */
u8 mcr; /* WR MCR - Modem Control Reg */
u8 lsr; /* WR LSR - Line Status Reg */
@@ -65,8 +66,8 @@ struct neo_uart_struct {
#define NEO_EEDO 0x80 /* Data Out is an Input Pin */
#define NEO_EEREG 0x8E /* offset to EEPROM control reg */
-
-#define NEO_VPD_IMAGESIZE 0x40 /* size of image to read from EEPROM in words */
+#define NEO_VPD_IMAGESIZE 0x40
+/* size of image to read from EEPROM in words */
#define NEO_VPD_IMAGEBYTES (NEO_VPD_IMAGESIZE * 2)
/*
@@ -109,7 +110,8 @@ struct neo_uart_struct {
/* 17158 Extended IIR's */
#define UART_17158_IIR_RDI_TIMEOUT 0x0C /* Receiver data TIMEOUT */
#define UART_17158_IIR_XONXOFF 0x10 /* Received an XON/XOFF char */
-#define UART_17158_IIR_HWFLOW_STATE_CHANGE 0x20 /* CTS/DSR or RTS/DTR state change */
+#define UART_17158_IIR_HWFLOW_STATE_CHANGE 0x20
+/* CTS/DSR or RTS/DTR state change */
#define UART_17158_IIR_FIFO_ENABLED 0xC0 /* 16550 FIFOs are Enabled */
/*
@@ -120,8 +122,10 @@ struct neo_uart_struct {
#define UART_17158_RXRDY_TIMEOUT 0x2 /* RX Ready Timeout */
#define UART_17158_TXRDY 0x3 /* TX Ready */
#define UART_17158_MSR 0x4 /* Modem State Change */
-#define UART_17158_TX_AND_FIFO_CLR 0x40 /* Transmitter Holding Reg Empty */
-#define UART_17158_RX_FIFO_DATA_ERROR 0x80 /* UART detected an RX FIFO Data error */
+#define UART_17158_TX_AND_FIFO_CLR 0x40
+/* Transmitter Holding Reg Empty */
+#define UART_17158_RX_FIFO_DATA_ERROR 0x80
+/* UART detected an RX FIFO Data error */
/*
* These are the EXTENDED definitions for the 17C158's Interrupt
@@ -133,8 +137,10 @@ struct neo_uart_struct {
#define UART_17158_EFR_RTSDTR 0x40 /* Auto RTS/DTR Flow Control Enable */
#define UART_17158_EFR_CTSDSR 0x80 /* Auto CTS/DSR Flow COntrol Enable */
-#define UART_17158_XOFF_DETECT 0x1 /* Indicates whether chip saw an incoming XOFF char */
-#define UART_17158_XON_DETECT 0x2 /* Indicates whether chip saw an incoming XON char */
+#define UART_17158_XOFF_DETECT 0x1
+/* Indicates whether chip saw an incoming XOFF char */
+#define UART_17158_XON_DETECT 0x2
+/* Indicates whether chip saw an incoming XON char */
#define UART_17158_IER_RSVD1 0x10 /* Reserved by Exar */
#define UART_17158_IER_XOFF 0x20 /* Xoff Interrupt Enable */
diff --git a/drivers/staging/dgnc/dgnc_pci.h b/drivers/staging/dgnc/dgnc_pci.h
index 617d40d..4e170c4 100644
--- a/drivers/staging/dgnc/dgnc_pci.h
+++ b/drivers/staging/dgnc/dgnc_pci.h
@@ -59,7 +59,6 @@
#define PCI_DEVICE_NEO_EXPRESS_8RJ45_PCI_NAME "Neo 8 PCI Express RJ45"
#define PCI_DEVICE_NEO_EXPRESS_4_IBM_PCI_NAME "Neo 4 PCI Express IBM"
-
/* Size of Memory and I/O for PCI (4 K) */
#define PCI_RAM_SIZE 0x1000
diff --git a/drivers/staging/dgnc/dgnc_sysfs.c b/drivers/staging/dgnc/dgnc_sysfs.c
index 74a0725..db7951f 100644
--- a/drivers/staging/dgnc/dgnc_sysfs.c
+++ b/drivers/staging/dgnc/dgnc_sysfs.c
@@ -193,12 +193,18 @@ static ssize_t dgnc_ports_msignals_show(struct device *p,
count += snprintf(buf + count, PAGE_SIZE - count,
"%d %s %s %s %s %s %s\n",
bd->channels[i]->ch_portnum,
- (bd->channels[i]->ch_mostat & UART_MCR_RTS) ? "RTS" : "",
- (bd->channels[i]->ch_mistat & UART_MSR_CTS) ? "CTS" : "",
- (bd->channels[i]->ch_mostat & UART_MCR_DTR) ? "DTR" : "",
- (bd->channels[i]->ch_mistat & UART_MSR_DSR) ? "DSR" : "",
- (bd->channels[i]->ch_mistat & UART_MSR_DCD) ? "DCD" : "",
- (bd->channels[i]->ch_mistat & UART_MSR_RI) ? "RI" : "");
+ (bd->channels[i]->ch_mostat & UART_MCR_RTS)
+ ? "RTS" : "",
+ (bd->channels[i]->ch_mistat & UART_MSR_CTS)
+ ? "CTS" : "",
+ (bd->channels[i]->ch_mostat & UART_MCR_DTR)
+ ? "DTR" : "",
+ (bd->channels[i]->ch_mistat & UART_MSR_DSR)
+ ? "DSR" : "",
+ (bd->channels[i]->ch_mistat & UART_MSR_DCD)
+ ? "DCD" : "",
+ (bd->channels[i]->ch_mistat & UART_MSR_RI)
+ ? "RI" : "");
} else {
count += snprintf(buf + count, PAGE_SIZE - count,
"%d\n", bd->channels[i]->ch_portnum);
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 48e4b90..d07e168 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -443,15 +443,16 @@ void dgnc_tty_uninit(struct dgnc_board *brd)
brd->PrintDriver.termios = NULL;
}
-/*=======================================================================
+/*==================================================================
*
* dgnc_wmove - Write data to transmit queue.
*
* ch - Pointer to channel structure.
- * buf - Poiter to characters to be moved.
+ * buf - Pointer to characters to be moved.
* n - Number of characters to move.
*
- *=======================================================================*/
+ *==================================================================
+ */
static void dgnc_wmove(struct channel_t *ch, char *buf, uint n)
{
int remain;
@@ -489,13 +490,14 @@ static void dgnc_wmove(struct channel_t *ch, char *buf, uint n)
ch->ch_w_head = head;
}
-/*=======================================================================
+/*================================================================
*
* dgnc_input - Process received data.
*
* ch - Pointer to channel structure.
*
- *=======================================================================*/
+ *================================================================
+ */
void dgnc_input(struct channel_t *ch)
{
struct dgnc_board *bd;
@@ -936,7 +938,8 @@ void dgnc_wakeup_writes(struct channel_t *ch)
if ((ch->ch_tun.un_tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
ch->ch_tun.un_tty->ldisc->ops->write_wakeup) {
spin_unlock_irqrestore(&ch->ch_lock, flags);
- ch->ch_tun.un_tty->ldisc->ops->write_wakeup(ch->ch_tun.un_tty);
+ ch->ch_tun.un_tty->ldisc->ops->write_wakeup
+ (ch->ch_tun.un_tty);
spin_lock_irqsave(&ch->ch_lock, flags);
}
@@ -956,7 +959,8 @@ void dgnc_wakeup_writes(struct channel_t *ch)
* the queue and UART is empty, keep RTS low.
*/
if (ch->ch_digi.digi_flags & DIGI_RTS_TOGGLE) {
- ch->ch_mostat &= ~(UART_MCR_RTS);
+ ch->ch_mostat &=
+ ~(UART_MCR_RTS);
ch->ch_bd->bd_ops->assert_modem_signals(ch);
}
@@ -966,7 +970,8 @@ void dgnc_wakeup_writes(struct channel_t *ch)
*/
if (ch->ch_digi.digi_flags & DIGI_DTR_TOGGLE) {
ch->ch_mostat &= ~(UART_MCR_DTR);
- ch->ch_bd->bd_ops->assert_modem_signals(ch);
+ ch->ch_bd->bd_ops->
+ assert_modem_signals(ch);
}
}
}
@@ -978,7 +983,8 @@ void dgnc_wakeup_writes(struct channel_t *ch)
if ((ch->ch_pun.un_tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
ch->ch_pun.un_tty->ldisc->ops->write_wakeup) {
spin_unlock_irqrestore(&ch->ch_lock, flags);
- ch->ch_pun.un_tty->ldisc->ops->write_wakeup(ch->ch_pun.un_tty);
+ ch->ch_pun.un_tty->ldisc->ops->write_wakeup
+ (ch->ch_pun.un_tty);
spin_lock_irqsave(&ch->ch_lock, flags);
}
@@ -2520,12 +2526,12 @@ static void dgnc_tty_flush_buffer(struct tty_struct *tty)
/* Flush UARTs transmit FIFO */
ch->ch_bd->bd_ops->flush_uart_write(ch);
- if (ch->ch_tun.un_flags & (UN_LOW|UN_EMPTY)) {
- ch->ch_tun.un_flags &= ~(UN_LOW|UN_EMPTY);
+ if (ch->ch_tun.un_flags & (UN_LOW | UN_EMPTY)) {
+ ch->ch_tun.un_flags &= ~(UN_LOW | UN_EMPTY);
wake_up_interruptible(&ch->ch_tun.un_flags_wait);
}
- if (ch->ch_pun.un_flags & (UN_LOW|UN_EMPTY)) {
- ch->ch_pun.un_flags &= ~(UN_LOW|UN_EMPTY);
+ if (ch->ch_pun.un_flags & (UN_LOW | UN_EMPTY)) {
+ ch->ch_pun.un_flags &= ~(UN_LOW | UN_EMPTY);
wake_up_interruptible(&ch->ch_pun.un_flags_wait);
}
@@ -2717,16 +2723,18 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
ch->ch_w_head = ch->ch_w_tail;
ch->ch_bd->bd_ops->flush_uart_write(ch);
- if (ch->ch_tun.un_flags & (UN_LOW|UN_EMPTY)) {
+ if (ch->ch_tun.un_flags & (UN_LOW | UN_EMPTY)) {
ch->ch_tun.un_flags &=
- ~(UN_LOW|UN_EMPTY);
- wake_up_interruptible(&ch->ch_tun.un_flags_wait);
+ ~(UN_LOW | UN_EMPTY);
+ wake_up_interruptible
+ (&ch->ch_tun.un_flags_wait);
}
- if (ch->ch_pun.un_flags & (UN_LOW|UN_EMPTY)) {
+ if (ch->ch_pun.un_flags & (UN_LOW | UN_EMPTY)) {
ch->ch_pun.un_flags &=
- ~(UN_LOW|UN_EMPTY);
- wake_up_interruptible(&ch->ch_pun.un_flags_wait);
+ ~(UN_LOW | UN_EMPTY);
+ wake_up_interruptible
+ (&ch->ch_pun.un_flags_wait);
}
}
}
diff --git a/drivers/staging/dgnc/digi.h b/drivers/staging/dgnc/digi.h
index cf9dcae..e202aac 100644
--- a/drivers/staging/dgnc/digi.h
+++ b/drivers/staging/dgnc/digi.h
@@ -31,21 +31,21 @@
#endif
#if !defined(TIOCMSET)
-#define TIOCMSET (('d'<<8) | 252) /* set modem ctrl state */
-#define TIOCMGET (('d'<<8) | 253) /* set modem ctrl state */
+#define TIOCMSET (('d' << 8) | 252) /* set modem ctrl state */
+#define TIOCMGET (('d' << 8) | 253) /* set modem ctrl state */
#endif
#if !defined(TIOCMBIC)
-#define TIOCMBIC (('d'<<8) | 254) /* set modem ctrl state */
-#define TIOCMBIS (('d'<<8) | 255) /* set modem ctrl state */
+#define TIOCMBIC (('d' << 8) | 254) /* set modem ctrl state */
+#define TIOCMBIS (('d' << 8) | 255) /* set modem ctrl state */
#endif
-#define DIGI_GETA (('e'<<8) | 94) /* Read params */
-#define DIGI_SETA (('e'<<8) | 95) /* Set params */
-#define DIGI_SETAW (('e'<<8) | 96) /* Drain & set params */
-#define DIGI_SETAF (('e'<<8) | 97) /* Drain, flush & set params */
-#define DIGI_GET_NI_INFO (('d'<<8) | 250) /* Non-intelligent state info */
-#define DIGI_LOOPBACK (('d'<<8) | 252) /*
+#define DIGI_GETA (('e' << 8) | 94) /* Read params*/
+#define DIGI_SETA (('e' << 8) | 95) /* Set params*/
+#define DIGI_SETAW (('e' << 8) | 96) /* Drain & set params*/
+#define DIGI_SETAF (('e' << 8) | 97) /* Drain, flush & set params*/
+#define DIGI_GET_NI_INFO (('d' << 8) | 250) /* Non-intelligent state info */
+#define DIGI_LOOPBACK (('d' << 8) | 252) /*
* Enable/disable UART
* internal loopback
*/
@@ -85,7 +85,7 @@ struct digi_dinfo {
char dinfo_version[16]; /* driver version */
};
-#define DIGI_GETDD (('d'<<8) | 248) /* get driver info */
+#define DIGI_GETDD (('d' << 8) | 248) /* get driver info */
/************************************************************************
* Structure used with ioctl commands for per-board information
@@ -105,7 +105,7 @@ struct digi_info {
char info_reserved[7]; /* for future expansion */
};
-#define DIGI_GETBD (('d'<<8) | 249) /* get board info */
+#define DIGI_GETBD (('d' << 8) | 249) /* get board info */
struct digi_getbuffer /* Struct for holding buffer use counts */
{
@@ -133,10 +133,10 @@ struct digi_getcounter {
#define DIGI_SETCUSTOMBAUD _IOW('e', 106, int) /* Set integer baud rate */
#define DIGI_GETCUSTOMBAUD _IOR('e', 107, int) /* Get integer baud rate */
-#define DIGI_REALPORT_GETBUFFERS (('e'<<8) | 108)
-#define DIGI_REALPORT_SENDIMMEDIATE (('e'<<8) | 109)
-#define DIGI_REALPORT_GETCOUNTERS (('e'<<8) | 110)
-#define DIGI_REALPORT_GETEVENTS (('e'<<8) | 111)
+#define DIGI_REALPORT_GETBUFFERS (('e' << 8) | 108)
+#define DIGI_REALPORT_SENDIMMEDIATE (('e' << 8) | 109)
+#define DIGI_REALPORT_GETCOUNTERS (('e' << 8) | 110)
+#define DIGI_REALPORT_GETEVENTS (('e' << 8) | 111)
#define EV_OPU 0x0001 /* !<Output paused by client */
#define EV_OPS 0x0002 /* !<Output paused by reqular sw flowctrl */
--
2.5.0
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/