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staging: dgnc: remove DPR Macros and related codes.

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In dgnc_drivers.h, DPR macro and DPR_* macros are defined but do nothing.

So remove them and related codes.

CC: Lidza Louina <lidza.louina@gmail.com>
CC: Mark Hounschell <markh@compro.net>
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Seunghun Lee 2014-08-20 00:30:23 +09:00 committed by Greg Kroah-Hartman
parent ebb10d8ea6
commit f1e51745eb
6 changed files with 29 additions and 438 deletions
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51
drivers/staging/dgnc/dgnc_cls.c
View File

@ -99,7 +99,6 @@ static inline void cls_set_cts_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_cls_uart->ier);
uchar isr_fcr = 0;
DPR_PARAM(("Setting CTSFLOW\n"));
/*
* The Enhanced Register Set may only be accessed when
@ -144,7 +143,6 @@ static inline void cls_set_ixon_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_cls_uart->ier);
uchar isr_fcr = 0;
DPR_PARAM(("Setting IXON FLOW\n"));
/*
* The Enhanced Register Set may only be accessed when
@ -193,7 +191,6 @@ static inline void cls_set_no_output_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_cls_uart->ier);
uchar isr_fcr = 0;
DPR_PARAM(("Unsetting Output FLOW\n"));
/*
* The Enhanced Register Set may only be accessed when
@ -240,7 +237,6 @@ static inline void cls_set_rts_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_cls_uart->ier);
uchar isr_fcr = 0;
DPR_PARAM(("Setting RTSFLOW\n"));
/*
* The Enhanced Register Set may only be accessed when
@ -283,7 +279,6 @@ static inline void cls_set_ixoff_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_cls_uart->ier);
uchar isr_fcr = 0;
DPR_PARAM(("Setting IXOFF FLOW\n"));
/*
* The Enhanced Register Set may only be accessed when
@ -328,7 +323,6 @@ static inline void cls_set_no_input_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_cls_uart->ier);
uchar isr_fcr = 0;
DPR_PARAM(("Unsetting Input FLOW\n"));
/*
* The Enhanced Register Set may only be accessed when
@ -394,8 +388,6 @@ static inline void cls_clear_break(struct channel_t *ch, int force)
writeb((temp & ~UART_LCR_SBC), &ch->ch_cls_uart->lcr);
ch->ch_flags &= ~(CH_BREAK_SENDING);
ch->ch_stop_sending_break = 0;
DPR_IOCTL(("Finishing UART_LCR_SBC! finished: %lx\n",
jiffies));
}
}
DGNC_UNLOCK(ch->ch_lock, lock_flags);
@ -430,9 +422,6 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port)
if (isr & UART_IIR_NO_INT)
break;
DPR_INTR(("%s:%d port: %x isr: %x\n", __FILE__, __LINE__,
port, isr));
/* Receive Interrupt pending */
if (isr & (UART_IIR_RDI | UART_IIR_RDI_TIMEOUT)) {
/* Read data from uart -> queue */
@ -464,7 +453,6 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port)
}
/* Parse any modem signal changes */
DPR_INTR(("MOD_STAT: sending to parse_modem_sigs\n"));
cls_parse_modem(ch, readb(&ch->ch_cls_uart->msr));
}
}
@ -501,10 +489,6 @@ static void cls_param(struct tty_struct *tty)
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return;
DPR_PARAM(("param start: tdev: %x cflags: %x oflags: %x iflags: %x\n",
ch->ch_tun.un_dev, ch->ch_c_cflag, ch->ch_c_oflag,
ch->ch_c_iflag));
/*
* If baud rate is zero, flush queues, and set mval to drop DTR.
*/
@ -588,8 +572,6 @@ static void cls_param(struct tty_struct *tty)
(jindex < 16)) {
baud = bauds[iindex][jindex];
} else {
DPR_IOCTL(("baud indices were out of range (%d)(%d)",
iindex, jindex));
baud = 0;
}
@ -840,14 +822,10 @@ static irqreturn_t cls_intr(int irq, void *voidbrd)
/* If 0, no interrupts pending */
if (!poll_reg) {
DPR_INTR((
"Kernel interrupted to me, but no pending interrupts...\n"));
DGNC_UNLOCK(brd->bd_intr_lock, lock_flags);
return IRQ_NONE;
}
DPR_INTR(("%s:%d poll_reg: %x\n", __FILE__, __LINE__, poll_reg));
/* Parse each port to find out what caused the interrupt */
for (i = 0; i < brd->nasync; i++)
cls_parse_isr(brd, i);
@ -859,7 +837,6 @@ static irqreturn_t cls_intr(int irq, void *voidbrd)
DGNC_UNLOCK(brd->bd_intr_lock, lock_flags);
DPR_INTR(("dgnc_intr finish.\n"));
return IRQ_HANDLED;
}
@ -938,9 +915,6 @@ static void cls_copy_data_from_uart_to_queue(struct channel_t *ch)
* I hope thats okay with everyone? Yes? Good.
*/
while (qleft < 1) {
DPR_READ(("Queue full, dropping DATA:%x LSR:%x\n",
ch->ch_rqueue[tail], ch->ch_equeue[tail]));
ch->ch_r_tail = tail = (tail + 1) & RQUEUEMASK;
ch->ch_err_overrun++;
qleft++;
@ -954,9 +928,6 @@ static void cls_copy_data_from_uart_to_queue(struct channel_t *ch)
qleft--;
DPR_READ(("DATA/LSR pair: %x %x\n", ch->ch_rqueue[head],
ch->ch_equeue[head]));
if (ch->ch_equeue[head] & UART_LSR_PE)
ch->ch_err_parity++;
if (ch->ch_equeue[head] & UART_LSR_BI)
@ -1012,8 +983,6 @@ static int cls_drain(struct tty_struct *tty, uint seconds)
((un->un_flags & UN_EMPTY) == 0));
/* If ret is non-zero, user ctrl-c'ed us */
if (rc)
DPR_IOCTL(("%d Drain - User ctrl c'ed\n", __LINE__));
return rc;
}
@ -1126,7 +1095,6 @@ static void cls_copy_data_from_queue_to_uart(struct channel_t *ch)
writeb(ch->ch_wqueue[ch->ch_w_tail], &ch->ch_cls_uart->txrx);
dgnc_sniff_nowait_nolock(ch, "UART WRITE",
ch->ch_wqueue + ch->ch_w_tail, 1);
DPR_WRITE(("Tx data: %x\n", ch->ch_wqueue[ch->ch_w_tail]));
ch->ch_w_tail++;
ch->ch_w_tail &= WQUEUEMASK;
ch->ch_txcount++;
@ -1149,9 +1117,6 @@ static void cls_parse_modem(struct channel_t *ch, uchar signals)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
DPR_MSIGS(("cls_parse_modem: port: %d signals: %d\n",
ch->ch_portnum, msignals));
/*
* Do altpin switching. Altpin switches DCD and DSR.
* This prolly breaks DSRPACE, so we should be more clever here.
@ -1206,17 +1171,6 @@ static void cls_parse_modem(struct channel_t *ch, uchar signals)
else
ch->ch_mistat &= ~UART_MSR_CTS;
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_MSIGS((
"Port: %d DTR: %d RTS: %d CTS: %d DSR: %d " "RI: %d CD: %d\n",
ch->ch_portnum,
!!((ch->ch_mistat | ch->ch_mostat) & UART_MCR_DTR),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MCR_RTS),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_CTS),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_DSR),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_RI),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_DCD)));
}
@ -1363,8 +1317,6 @@ static void cls_send_break(struct channel_t *ch, int msecs)
writeb((temp & ~UART_LCR_SBC), &ch->ch_cls_uart->lcr);
ch->ch_flags &= ~(CH_BREAK_SENDING);
ch->ch_stop_sending_break = 0;
DPR_IOCTL(("Finishing UART_LCR_SBC! finished: %lx\n",
jiffies));
}
return;
}
@ -1382,9 +1334,6 @@ static void cls_send_break(struct channel_t *ch, int msecs)
writeb((temp | UART_LCR_SBC), &ch->ch_cls_uart->lcr);
ch->ch_flags |= (CH_BREAK_SENDING);
DPR_IOCTL((
"Port %d. Starting UART_LCR_SBC! start: %lx should end: %lx\n",
ch->ch_portnum, jiffies, ch->ch_stop_sending_break));
}
}

19
drivers/staging/dgnc/dgnc_driver.c
View File

@ -250,7 +250,6 @@ static int __init dgnc_init_module(void)
dgnc_create_driver_sysfiles(&dgnc_driver);
}
DPR_INIT(("Finished init_module. Returning %d\n", rc));
return rc;
}
@ -325,10 +324,8 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
rc = -EIO;
} else {
rc = dgnc_found_board(pdev, ent->driver_data);
if (rc == 0) {
if (rc == 0)
dgnc_NumBoards++;
DPR_INIT(("Incrementing numboards to %d\n", dgnc_NumBoards));
}
}
return rc;
}
@ -467,8 +464,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
brd->dpatype = T_CLASSIC | T_PCIBUS;
DPR_INIT(("dgnc_found_board - Classic.\n"));
/*
* For PCI ClassicBoards
* PCI Local Address (i.e. "resource" number) space
@ -543,8 +538,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
else
brd->dpatype = T_NEO | T_PCIBUS;
DPR_INIT(("dgnc_found_board - NEO.\n"));
/* get the PCI Base Address Registers */
brd->membase = pci_resource_start(pdev, 0);
brd->membase_end = pci_resource_end(pdev, 0);
@ -618,7 +611,6 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
/* init our poll helper tasklet */
tasklet_init(&brd->helper_tasklet, brd->bd_ops->tasklet, (unsigned long) brd);
DPR_INIT(("dgnc_scan(%d) - printing out the msgbuf\n", i));
DGNC_LOCK(dgnc_global_lock, flags);
brd->msgbuf = NULL;
printk("%s", brd->msgbuf_head);
@ -649,13 +641,9 @@ static int dgnc_finalize_board_init(struct dgnc_board *brd)
{
int rc = 0;
DPR_INIT(("dgnc_finalize_board_init() - start\n"));
if (!brd || brd->magic != DGNC_BOARD_MAGIC)
return -ENODEV;
DPR_INIT(("dgnc_finalize_board_init() - start #2\n"));
if (brd->irq) {
rc = request_irq(brd->irq, brd->bd_ops->intr,
IRQF_SHARED, "DGNC", brd);
@ -666,9 +654,6 @@ static int dgnc_finalize_board_init(struct dgnc_board *brd)
brd->state = BOARD_FAILED;
brd->dpastatus = BD_NOFEP;
rc = -ENODEV;
} else {
DPR_INIT(("Requested and received usage of IRQ %d\n",
brd->irq));
}
}
return rc;
@ -684,8 +669,6 @@ static void dgnc_do_remap(struct dgnc_board *brd)
return;
brd->re_map_membase = ioremap(brd->membase, 0x1000);
DPR_INIT(("remapped mem: 0x%p\n", brd->re_map_membase));
}

21
drivers/staging/dgnc/dgnc_driver.h
View File

@ -49,8 +49,6 @@
* three lines, and the driver printk's will all automagically change.
*
* APR((fmt, args, ...)); Always prints message
* DPR((fmt, args, ...)); Only prints if DGNC_TRACER is defined at
* compile time and dgnc_debug!=0
*/
#define PROCSTR "dgnc" /* /proc entries */
#define DEVSTR "/dev/dg/dgnc" /* /dev entries */
@ -93,25 +91,6 @@
#define PRINTF_TO_KMEM(args)
# define TRC(ARGS)
# define DPR_INIT(ARGS)
# define DPR_BASIC(ARGS)
# define DPR_CORE(ARGS)
# define DPR_OPEN(ARGS)
# define DPR_CLOSE(ARGS)
# define DPR_READ(ARGS)
# define DPR_WRITE(ARGS)
# define DPR_IOCTL(ARGS)
# define DPR_PROC(ARGS)
# define DPR_PARAM(ARGS)
# define DPR_PSCAN(ARGS)
# define DPR_EVENT(ARGS)
# define DPR_DRAIN(ARGS)
# define DPR_CARR(ARGS)
# define DPR_MGMT(ARGS)
# define DPR_INTR(ARGS)
# define DPR_MSIGS(ARGS)
# define DPR(args)
/* Number of boards we support at once. */
#define MAXBOARDS 20

23
drivers/staging/dgnc/dgnc_mgmt.c
View File

@ -65,8 +65,6 @@ int dgnc_mgmt_open(struct inode *inode, struct file *file)
unsigned long lock_flags;
unsigned int minor = iminor(inode);
DPR_MGMT(("dgnc_mgmt_open start.\n"));
DGNC_LOCK(dgnc_global_lock, lock_flags);
/* mgmt device */
@ -84,8 +82,6 @@ int dgnc_mgmt_open(struct inode *inode, struct file *file)
DGNC_UNLOCK(dgnc_global_lock, lock_flags);
DPR_MGMT(("dgnc_mgmt_open finish.\n"));
return 0;
}
@ -100,8 +96,6 @@ int dgnc_mgmt_close(struct inode *inode, struct file *file)
unsigned long lock_flags;
unsigned int minor = iminor(inode);
DPR_MGMT(("dgnc_mgmt_close start.\n"));
DGNC_LOCK(dgnc_global_lock, lock_flags);
/* mgmt device */
@ -111,8 +105,6 @@ int dgnc_mgmt_close(struct inode *inode, struct file *file)
}
DGNC_UNLOCK(dgnc_global_lock, lock_flags);
DPR_MGMT(("dgnc_mgmt_close finish.\n"));
return 0;
}
@ -128,8 +120,6 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
unsigned long lock_flags;
void __user *uarg = (void __user *) arg;
DPR_MGMT(("dgnc_mgmt_ioctl start.\n"));
switch (cmd) {
case DIGI_GETDD:
@ -148,9 +138,6 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
DGNC_UNLOCK(dgnc_global_lock, lock_flags);
DPR_MGMT(("DIGI_GETDD returning numboards: %d version: %s\n",
ddi.dinfo_nboards, ddi.dinfo_version));
if (copy_to_user(uarg, &ddi, sizeof(ddi)))
return -EFAULT;
@ -166,8 +153,6 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (copy_from_user(&brd, uarg, sizeof(int)))
return -EFAULT;
DPR_MGMT(("DIGI_GETBD asking about board: %d\n", brd));
if ((brd < 0) || (brd > dgnc_NumBoards) ||
(dgnc_NumBoards == 0))
return -ENODEV;
@ -190,9 +175,6 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
DGNC_UNLOCK(dgnc_Board[brd]->bd_lock, lock_flags);
DPR_MGMT(("DIGI_GETBD returning type: %x state: %x ports: %x size: %x\n",
di.info_bdtype, di.info_bdstate, di.info_nports, di.info_physsize));
if (copy_to_user(uarg, &di, sizeof(di)))
return -EFAULT;
@ -210,9 +192,6 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (copy_from_user(&ni, uarg, sizeof(ni)))
return -EFAULT;
DPR_MGMT(("DIGI_GETBD asking about board: %d channel: %d\n",
ni.board, ni.channel));
board = ni.board;
channel = ni.channel;
@ -298,7 +277,5 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
DPR_MGMT(("dgnc_mgmt_ioctl finish.\n"));
return 0;
}

104
drivers/staging/dgnc/dgnc_neo.c
View File

@ -117,8 +117,6 @@ static inline void neo_set_cts_flow_control(struct channel_t *ch)
uchar efr = readb(&ch->ch_neo_uart->efr);
DPR_PARAM(("Setting CTSFLOW\n"));
/* Turn on auto CTS flow control */
#if 1
ier |= (UART_17158_IER_CTSDSR);
@ -155,8 +153,6 @@ static inline void neo_set_rts_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_neo_uart->ier);
uchar efr = readb(&ch->ch_neo_uart->efr);
DPR_PARAM(("Setting RTSFLOW\n"));
/* Turn on auto RTS flow control */
#if 1
ier |= (UART_17158_IER_RTSDTR);
@ -200,8 +196,6 @@ static inline void neo_set_ixon_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_neo_uart->ier);
uchar efr = readb(&ch->ch_neo_uart->efr);
DPR_PARAM(("Setting IXON FLOW\n"));
/* Turn off auto CTS flow control */
ier &= ~(UART_17158_IER_CTSDSR);
efr &= ~(UART_17158_EFR_CTSDSR);
@ -239,8 +233,6 @@ static inline void neo_set_ixoff_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_neo_uart->ier);
uchar efr = readb(&ch->ch_neo_uart->efr);
DPR_PARAM(("Setting IXOFF FLOW\n"));
/* Turn off auto RTS flow control */
ier &= ~(UART_17158_IER_RTSDTR);
efr &= ~(UART_17158_EFR_RTSDTR);
@ -279,8 +271,6 @@ static inline void neo_set_no_input_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_neo_uart->ier);
uchar efr = readb(&ch->ch_neo_uart->efr);
DPR_PARAM(("Unsetting Input FLOW\n"));
/* Turn off auto RTS flow control */
ier &= ~(UART_17158_IER_RTSDTR);
efr &= ~(UART_17158_EFR_RTSDTR);
@ -321,8 +311,6 @@ static inline void neo_set_no_output_flow_control(struct channel_t *ch)
uchar ier = readb(&ch->ch_neo_uart->ier);
uchar efr = readb(&ch->ch_neo_uart->efr);
DPR_PARAM(("Unsetting Output FLOW\n"));
/* Turn off auto CTS flow control */
ier &= ~(UART_17158_IER_CTSDSR);
efr &= ~(UART_17158_EFR_CTSDSR);
@ -364,8 +352,6 @@ static inline void neo_set_new_start_stop_chars(struct channel_t *ch)
if (ch->ch_digi.digi_flags & (CTSPACE | RTSPACE) || ch->ch_c_cflag & CRTSCTS)
return;
DPR_PARAM(("In new start stop chars\n"));
/* Tell UART what start/stop chars it should be looking for */
writeb(ch->ch_startc, &ch->ch_neo_uart->xonchar1);
writeb(0, &ch->ch_neo_uart->xonchar2);
@ -402,7 +388,6 @@ static inline void neo_clear_break(struct channel_t *ch, int force)
neo_pci_posting_flush(ch->ch_bd);
ch->ch_flags &= ~(CH_BREAK_SENDING);
ch->ch_stop_sending_break = 0;
DPR_IOCTL(("Finishing UART_LCR_SBC! finished: %lx\n", jiffies));
}
}
DGNC_UNLOCK(ch->ch_lock, lock_flags);
@ -443,8 +428,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
*/
isr &= ~(UART_17158_IIR_FIFO_ENABLED);
DPR_INTR(("%s:%d isr: %x\n", __FILE__, __LINE__, isr));
if (isr & (UART_17158_IIR_RDI_TIMEOUT | UART_IIR_RDI)) {
/* Read data from uart -> queue */
brd->intr_rx++;
@ -470,8 +453,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
if (isr & UART_17158_IIR_XONXOFF) {
cause = readb(&ch->ch_neo_uart->xoffchar1);
DPR_INTR(("Port %d. Got ISR_XONXOFF: cause:%x\n", port, cause));
/*
* Since the UART detected either an XON or
* XOFF match, we need to figure out which
@ -484,15 +465,12 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
ch->ch_flags &= ~(CH_STOP);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
}
DPR_INTR(("Port %d. XON detected in incoming data\n", port));
} else if (cause == UART_17158_XOFF_DETECT) {
if (!(brd->channels[port]->ch_flags & CH_STOP)) {
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_flags |= CH_STOP;
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_INTR(("Setting CH_STOP\n"));
}
DPR_INTR(("Port: %d. XOFF detected in incoming data\n", port));
}
}
@ -529,7 +507,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
}
/* Parse any modem signal changes */
DPR_INTR(("MOD_STAT: sending to parse_modem_sigs\n"));
neo_parse_modem(ch, readb(&ch->ch_neo_uart->msr));
}
}
@ -556,8 +533,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port)
linestatus = readb(&ch->ch_neo_uart->lsr);
DPR_INTR(("%s:%d port: %d linestatus: %x\n", __FILE__, __LINE__, port, linestatus));
ch->ch_cached_lsr |= linestatus;
if (ch->ch_cached_lsr & UART_LSR_DR) {
@ -570,36 +545,19 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port)
DGNC_UNLOCK(ch->ch_lock, lock_flags);
}
/*
* This is a special flag. It indicates that at least 1
* RX error (parity, framing, or break) has happened.
* Mark this in our struct, which will tell me that I have
*to do the special RX+LSR read for this FIFO load.
*/
if (linestatus & UART_17158_RX_FIFO_DATA_ERROR) {
DPR_INTR(("%s:%d Port: %d Got an RX error, need to parse LSR\n",
__FILE__, __LINE__, port));
}
/*
* The next 3 tests should *NOT* happen, as the above test
* should encapsulate all 3... At least, thats what Exar says.
*/
if (linestatus & UART_LSR_PE) {
if (linestatus & UART_LSR_PE)
ch->ch_err_parity++;
DPR_INTR(("%s:%d Port: %d. PAR ERR!\n", __FILE__, __LINE__, port));
}
if (linestatus & UART_LSR_FE) {
if (linestatus & UART_LSR_FE)
ch->ch_err_frame++;
DPR_INTR(("%s:%d Port: %d. FRM ERR!\n", __FILE__, __LINE__, port));
}
if (linestatus & UART_LSR_BI) {
if (linestatus & UART_LSR_BI)
ch->ch_err_break++;
DPR_INTR(("%s:%d Port: %d. BRK INTR!\n", __FILE__, __LINE__, port));
}
if (linestatus & UART_LSR_OE) {
/*
@ -609,7 +567,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port)
* Probably we should eventually have an orun stat in our driver...
*/
ch->ch_err_overrun++;
DPR_INTR(("%s:%d Port: %d. Rx Overrun!\n", __FILE__, __LINE__, port));
}
if (linestatus & UART_LSR_THRE) {
@ -665,9 +622,6 @@ static void neo_param(struct tty_struct *tty)
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return;
DPR_PARAM(("param start: tdev: %x cflags: %x oflags: %x iflags: %x\n",
ch->ch_tun.un_dev, ch->ch_c_cflag, ch->ch_c_oflag, ch->ch_c_iflag));
/*
* If baud rate is zero, flush queues, and set mval to drop DTR.
*/
@ -743,13 +697,10 @@ 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 {
DPR_IOCTL(("baud indices were out of range (%d)(%d)",
iindex, jindex));
else
baud = 0;
}
if (baud == 0)
baud = 9600;
@ -1012,14 +963,11 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
*/
uart_poll = readl(brd->re_map_membase + UART_17158_POLL_ADDR_OFFSET);
DPR_INTR(("%s:%d uart_poll: %x\n", __FILE__, __LINE__, uart_poll));
/*
* If 0, no interrupts pending.
* This can happen if the IRQ is shared among a couple Neo/Classic boards.
*/
if (!uart_poll) {
DPR_INTR(("Kernel interrupted to me, but no pending interrupts...\n"));
DGNC_UNLOCK(brd->bd_intr_lock, lock_flags);
return IRQ_NONE;
}
@ -1043,14 +991,11 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
continue;
}
DPR_INTR(("%s:%d port: %x type: %x\n", __FILE__, __LINE__, port, type));
/* Remove this port + type from uart_poll */
uart_poll &= ~(dgnc_offset_table[port]);
if (!type) {
/* If no type, just ignore it, and move onto next port */
DPR_INTR(("Interrupt with no type! port: %d\n", port));
continue;
}
@ -1114,7 +1059,6 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
* these once and awhile.
* Its harmless, just ignore it and move on.
*/
DPR_INTR(("%s:%d Unknown Interrupt type: %x\n", __FILE__, __LINE__, type));
continue;
}
}
@ -1126,7 +1070,6 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
DGNC_UNLOCK(brd->bd_intr_lock, lock_flags);
DPR_INTR(("dgnc_intr finish.\n"));
return IRQ_HANDLED;
}
@ -1342,9 +1285,6 @@ static void neo_copy_data_from_uart_to_queue(struct channel_t *ch)
* I hope thats okay with everyone? Yes? Good.
*/
while (qleft < 1) {
DPR_READ(("Queue full, dropping DATA:%x LSR:%x\n",
ch->ch_rqueue[tail], ch->ch_equeue[tail]));
ch->ch_r_tail = tail = (tail + 1) & RQUEUEMASK;
ch->ch_err_overrun++;
qleft++;
@ -1354,8 +1294,6 @@ static void neo_copy_data_from_uart_to_queue(struct channel_t *ch)
ch->ch_equeue[head] = (uchar) linestatus;
dgnc_sniff_nowait_nolock(ch, "UART READ", ch->ch_rqueue + head, 1);
DPR_READ(("DATA/LSR pair: %x %x\n", ch->ch_rqueue[head], ch->ch_equeue[head]));
/* Ditch any remaining linestatus value. */
linestatus = 0;
@ -1398,8 +1336,6 @@ static int neo_drain(struct tty_struct *tty, uint seconds)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return -ENXIO;
DPR_IOCTL(("%d Drain wait started.\n", __LINE__));
DGNC_LOCK(ch->ch_lock, lock_flags);
un->un_flags |= UN_EMPTY;
DGNC_UNLOCK(ch->ch_lock, lock_flags);
@ -1413,11 +1349,6 @@ static int neo_drain(struct tty_struct *tty, uint seconds)
rc = wait_event_interruptible(un->un_flags_wait, ((un->un_flags & UN_EMPTY) == 0));
/* If ret is non-zero, user ctrl-c'ed us */
if (rc)
DPR_IOCTL(("%d Drain - User ctrl c'ed\n", __LINE__));
else
DPR_IOCTL(("%d Drain wait finished.\n", __LINE__));
return rc;
}
@ -1442,10 +1373,9 @@ static void neo_flush_uart_write(struct channel_t *ch)
/* Check to see if the UART feels it completely flushed the FIFO. */
tmp = readb(&ch->ch_neo_uart->isr_fcr);
if (tmp & 4) {
DPR_IOCTL(("Still flushing TX UART... i: %d\n", i));
if (tmp & 4)
udelay(10);
} else
else
break;
}
@ -1473,10 +1403,9 @@ static void neo_flush_uart_read(struct channel_t *ch)
/* Check to see if the UART feels it completely flushed the FIFO. */
tmp = readb(&ch->ch_neo_uart->isr_fcr);
if (tmp & 2) {
DPR_IOCTL(("Still flushing RX UART... i: %d\n", i));
if (tmp & 2)
udelay(10);
} else
else
break;
}
}
@ -1544,7 +1473,6 @@ static void neo_copy_data_from_queue_to_uart(struct channel_t *ch)
}
writeb(ch->ch_wqueue[ch->ch_w_tail], &ch->ch_neo_uart->txrx);
DPR_WRITE(("Tx data: %x\n", ch->ch_wqueue[ch->ch_w_head]));
ch->ch_w_tail++;
ch->ch_w_tail &= WQUEUEMASK;
ch->ch_txcount++;
@ -1645,8 +1573,6 @@ static void neo_parse_modem(struct channel_t *ch, uchar signals)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
DPR_MSIGS(("neo_parse_modem: port: %d msignals: %x\n", ch->ch_portnum, msignals));
/*
* Do altpin switching. Altpin switches DCD and DSR.
* This prolly breaks DSRPACE, so we should be more clever here.
@ -1694,15 +1620,6 @@ static void neo_parse_modem(struct channel_t *ch, uchar signals)
ch->ch_mistat |= UART_MSR_CTS;
else
ch->ch_mistat &= ~UART_MSR_CTS;
DPR_MSIGS(("Port: %d DTR: %d RTS: %d CTS: %d DSR: %d " "RI: %d CD: %d\n",
ch->ch_portnum,
!!((ch->ch_mistat | ch->ch_mostat) & UART_MCR_DTR),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MCR_RTS),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_CTS),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_DSR),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_RI),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_DCD)));
}
@ -1830,7 +1747,6 @@ static void neo_send_break(struct channel_t *ch, int msecs)
neo_pci_posting_flush(ch->ch_bd);
ch->ch_flags &= ~(CH_BREAK_SENDING);
ch->ch_stop_sending_break = 0;
DPR_IOCTL(("Finishing UART_LCR_SBC! finished: %lx\n", jiffies));
}
return;
}
@ -1849,8 +1765,6 @@ static void neo_send_break(struct channel_t *ch, int msecs)
writeb((temp | UART_LCR_SBC), &ch->ch_neo_uart->lcr);
neo_pci_posting_flush(ch->ch_bd);
ch->ch_flags |= (CH_BREAK_SENDING);
DPR_IOCTL(("Port %d. Starting UART_LCR_SBC! start: %lx should end: %lx\n",
ch->ch_portnum, jiffies, ch->ch_stop_sending_break));
}
}

249
drivers/staging/dgnc/dgnc_tty.c
View File

@ -180,10 +180,8 @@ int dgnc_tty_preinit(void)
*/
dgnc_TmpWriteBuf = kmalloc(WRITEBUFLEN, GFP_KERNEL);
if (!dgnc_TmpWriteBuf) {
DPR_INIT(("unable to allocate tmp write buf"));
if (!dgnc_TmpWriteBuf)
return -ENOMEM;
}
return 0;
}
@ -198,8 +196,6 @@ int dgnc_tty_register(struct dgnc_board *brd)
{
int rc = 0;
DPR_INIT(("tty_register start\n"));
brd->SerialDriver.magic = TTY_DRIVER_MAGIC;
snprintf(brd->SerialName, MAXTTYNAMELEN, "tty_dgnc_%d_", brd->boardnum);
@ -296,8 +292,6 @@ int dgnc_tty_register(struct dgnc_board *brd)
brd->dgnc_Serial_Major = brd->SerialDriver.major;
brd->dgnc_TransparentPrint_Major = brd->PrintDriver.major;
DPR_INIT(("DGNC REGISTER TTY: MAJOR: %d\n", brd->SerialDriver.major));
return rc;
}
@ -317,8 +311,6 @@ int dgnc_tty_init(struct dgnc_board *brd)
if (!brd)
return -ENXIO;
DPR_INIT(("dgnc_tty_init start\n"));
/*
* Initialize board structure elements.
*/
@ -339,10 +331,6 @@ int dgnc_tty_init(struct dgnc_board *brd)
* interrupt context, and there are no locks held.
*/
brd->channels[i] = kzalloc(sizeof(*brd->channels[i]), GFP_KERNEL);
if (!brd->channels[i]) {
DPR_CORE(("%s:%d Unable to allocate memory for channel struct\n",
__FILE__, __LINE__));
}
}
}
@ -401,8 +389,6 @@ int dgnc_tty_init(struct dgnc_board *brd)
}
DPR_INIT(("dgnc_tty_init finish\n"));
return 0;
}
@ -678,8 +664,6 @@ void dgnc_input(struct channel_t *ch)
return;
}
DPR_READ(("dgnc_input start\n"));
/*
* If the device is not open, or CREAD is off,
* flush input data and return immediately.
@ -687,10 +671,6 @@ void dgnc_input(struct channel_t *ch)
if (!tp || (tp->magic != TTY_MAGIC) || !(ch->ch_tun.un_flags & UN_ISOPEN) ||
!(tp->termios.c_cflag & CREAD) || (ch->ch_tun.un_flags & UN_CLOSING)) {
DPR_READ(("input. dropping %d bytes on port %d...\n", data_len, ch->ch_portnum));
DPR_READ(("input. tp: %p tp->magic: %x MAGIC:%x ch flags: %x\n",
tp, tp ? tp->magic : 0, TTY_MAGIC, ch->ch_tun.un_flags));
ch->ch_r_head = tail;
/* Force queue flow control to be released, if needed */
@ -705,13 +685,9 @@ void dgnc_input(struct channel_t *ch)
*/
if (ch->ch_flags & CH_FORCED_STOPI) {
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_READ(("Port %d throttled, not reading any data. head: %x tail: %x\n",
ch->ch_portnum, head, tail));
return;
}
DPR_READ(("dgnc_input start 2\n"));
flip_len = TTY_FLIPBUF_SIZE;
/* Chop down the length, if needed */
@ -823,8 +799,6 @@ void dgnc_input(struct channel_t *ch)
if (ld)
tty_ldisc_deref(ld);
DPR_READ(("dgnc_input - finish\n"));
}
@ -839,8 +813,6 @@ void dgnc_carrier(struct channel_t *ch)
int virt_carrier = 0;
int phys_carrier = 0;
DPR_CARR(("dgnc_carrier called...\n"));
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
@ -849,10 +821,8 @@ void dgnc_carrier(struct channel_t *ch)
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return;
if (ch->ch_mistat & UART_MSR_DCD) {
DPR_CARR(("mistat: %x D_CD: %x\n", ch->ch_mistat, ch->ch_mistat & UART_MSR_DCD));
if (ch->ch_mistat & UART_MSR_DCD)
phys_carrier = 1;
}
if (ch->ch_digi.digi_flags & DIGI_FORCEDCD)
virt_carrier = 1;
@ -860,8 +830,6 @@ void dgnc_carrier(struct channel_t *ch)
if (ch->ch_c_cflag & CLOCAL)
virt_carrier = 1;
DPR_CARR(("DCD: physical: %d virt: %d\n", phys_carrier, virt_carrier));
/*
* Test for a VIRTUAL carrier transition to HIGH.
*/
@ -872,8 +840,6 @@ void dgnc_carrier(struct channel_t *ch)
* for carrier in the open routine.
*/
DPR_CARR(("carrier: virt DCD rose\n"));
if (waitqueue_active(&(ch->ch_flags_wait)))
wake_up_interruptible(&ch->ch_flags_wait);
}
@ -888,8 +854,6 @@ void dgnc_carrier(struct channel_t *ch)
* for carrier in the open routine.
*/
DPR_CARR(("carrier: physical DCD rose\n"));
if (waitqueue_active(&(ch->ch_flags_wait)))
wake_up_interruptible(&ch->ch_flags_wait);
}
@ -922,15 +886,11 @@ void dgnc_carrier(struct channel_t *ch)
if (waitqueue_active(&(ch->ch_flags_wait)))
wake_up_interruptible(&ch->ch_flags_wait);
if (ch->ch_tun.un_open_count > 0) {
DPR_CARR(("Sending tty hangup\n"));
if (ch->ch_tun.un_open_count > 0)
tty_hangup(ch->ch_tun.un_tty);
}
if (ch->ch_pun.un_open_count > 0) {
DPR_CARR(("Sending pr hangup\n"));
if (ch->ch_pun.un_open_count > 0)
tty_hangup(ch->ch_pun.un_tty);
}
}
/*
@ -1040,8 +1000,6 @@ void dgnc_check_queue_flow_control(struct channel_t *ch)
if (!(ch->ch_flags & CH_RECEIVER_OFF)) {
ch->ch_bd->bd_ops->disable_receiver(ch);
ch->ch_flags |= (CH_RECEIVER_OFF);
DPR_READ(("Internal queue hit hilevel mark (%d)! Turning off interrupts.\n",
qleft));
}
}
/* SWFLOW */
@ -1049,7 +1007,6 @@ void dgnc_check_queue_flow_control(struct channel_t *ch)
if (ch->ch_stops_sent <= MAX_STOPS_SENT) {
ch->ch_bd->bd_ops->send_stop_character(ch);
ch->ch_stops_sent++;
DPR_READ(("Sending stop char! Times sent: %x\n", ch->ch_stops_sent));
}
}
/* No FLOW */
@ -1079,15 +1036,12 @@ void dgnc_check_queue_flow_control(struct channel_t *ch)
if (ch->ch_flags & CH_RECEIVER_OFF) {
ch->ch_bd->bd_ops->enable_receiver(ch);
ch->ch_flags &= ~(CH_RECEIVER_OFF);
DPR_READ(("Internal queue hit lowlevel mark (%d)! Turning on interrupts.\n",
qleft));
}
}
/* SWFLOW */
else if (ch->ch_c_iflag & IXOFF && ch->ch_stops_sent) {
ch->ch_stops_sent = 0;
ch->ch_bd->bd_ops->send_start_character(ch);
DPR_READ(("Sending start char!\n"));
}
/* No FLOW */
else {
@ -1262,7 +1216,6 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
un->un_type = DGNC_PRINT;
} else {
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_OPEN(("%d Unknown TYPE!\n", __LINE__));
return -ENXIO;
}
@ -1276,10 +1229,8 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
rc = wait_event_interruptible(ch->ch_flags_wait, ((ch->ch_flags & CH_OPENING) == 0));
/* If ret is non-zero, user ctrl-c'ed us */
if (rc) {
DPR_OPEN(("%d User ctrl c'ed\n", __LINE__));
if (rc)
return -EINTR;
}
/*
* If either unit is in the middle of the fragile part of close,
@ -1292,10 +1243,8 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
(((ch->ch_tun.un_flags | ch->ch_pun.un_flags) & UN_CLOSING) == 0));
/* If ret is non-zero, user ctrl-c'ed us */
if (rc) {
DPR_OPEN(("%d User ctrl c'ed\n", __LINE__));
if (rc)
return -EINTR;
}
DGNC_LOCK(ch->ch_lock, lock_flags);
@ -1303,10 +1252,6 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
/* Store our unit into driver_data, so we always have it available. */
tty->driver_data = un;
DPR_OPEN(("Open called. MAJOR: %d MINOR:%d PORT_NUM: %x unit: %p NAME: %s\n",
MAJOR(tty_devnum(tty)), MINOR(tty_devnum(tty)), PORT_NUM(minor), un, brd->name));
DPR_OPEN(("%d: tflag=%x pflag=%x\n", __LINE__, ch->ch_tun.un_flags, ch->ch_pun.un_flags));
/*
* Initialize tty's
@ -1345,8 +1290,6 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
*/
if (!((ch->ch_tun.un_flags | ch->ch_pun.un_flags) & UN_ISOPEN)) {
DPR_OPEN(("dgnc_open: initializing channel in open...\n"));
/*
* Flush input queues.
*/
@ -1397,10 +1340,6 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
rc = dgnc_block_til_ready(tty, file, ch);
if (rc)
DPR_OPEN(("dgnc_tty_open returning after dgnc_block_til_ready "
"with %d\n", rc));
/* No going back now, increment our unit and channel counters */
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_open_count++;
@ -1408,7 +1347,6 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
un->un_flags |= (UN_ISOPEN);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_OPEN(("dgnc_tty_open finished\n"));
return rc;
}
@ -1434,8 +1372,6 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
if (!un || un->magic != DGNC_UNIT_MAGIC)
return -ENXIO;
DPR_OPEN(("dgnc_block_til_ready - before block.\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_wopen++;
@ -1483,15 +1419,11 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
break;
}
if (ch->ch_flags & CH_CD) {
DPR_OPEN(("%d: ch_flags: %x\n", __LINE__, ch->ch_flags));
if (ch->ch_flags & CH_CD)
break;
}
if (ch->ch_flags & CH_FCAR) {
DPR_OPEN(("%d: ch_flags: %x\n", __LINE__, ch->ch_flags));
if (ch->ch_flags & CH_FCAR)
break;
}
} else {
sleep_on_un_flags = 1;
}
@ -1502,13 +1434,10 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
* Leave loop with error set.
*/
if (signal_pending(current)) {
DPR_OPEN(("%d: signal pending...\n", __LINE__));
retval = -ERESTARTSYS;
break;
}
DPR_OPEN(("dgnc_block_til_ready - blocking.\n"));
/*
* Store the flags before we let go of channel lock
*/
@ -1525,9 +1454,6 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_OPEN(("Going to sleep on %s flags...\n",
(sleep_on_un_flags ? "un" : "ch")));
/*
* Wait for something in the flags to change from the current value.
*/
@ -1538,8 +1464,6 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
retval = wait_event_interruptible(ch->ch_flags_wait,
(old_flags != ch->ch_flags));
DPR_OPEN(("After sleep... retval: %x\n", retval));
/*
* We got woken up for some reason.
* Before looping around, grab our channel lock.
@ -1551,14 +1475,8 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_OPEN(("dgnc_block_til_ready - after blocking.\n"));
if (retval) {
DPR_OPEN(("dgnc_block_til_ready - done. error. retval: %x\n", retval));
if (retval)
return retval;
}
DPR_OPEN(("dgnc_block_til_ready - done no error. jiffies: %lu\n", jiffies));
return 0;
}
@ -1580,14 +1498,9 @@ static void dgnc_tty_hangup(struct tty_struct *tty)
if (!un || un->magic != DGNC_UNIT_MAGIC)
return;
DPR_CLOSE(("dgnc_hangup called. ch->ch_open_count: %d un->un_open_count: %d\n",
un->un_ch->ch_open_count, un->un_open_count));
/* flush the transmit queues */
dgnc_tty_flush_buffer(tty);
DPR_CLOSE(("dgnc_hangup finished. ch->ch_open_count: %d un->un_open_count: %d\n",
un->un_ch->ch_open_count, un->un_open_count));
}
@ -1621,8 +1534,6 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file)
ts = &tty->termios;
DPR_CLOSE(("Close called\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
/*
@ -1649,16 +1560,11 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file)
ch->ch_open_count--;
if (ch->ch_open_count && un->un_open_count) {
DPR_CLOSE(("dgnc_tty_close: not last close ch: %d un:%d\n",
ch->ch_open_count, un->un_open_count));
DGNC_UNLOCK(ch->ch_lock, lock_flags);
return;
}
/* OK, its the last close on the unit */
DPR_CLOSE(("dgnc_tty_close - last close on unit procedures\n"));
un->un_flags |= UN_CLOSING;
tty->closing = 1;
@ -1685,14 +1591,8 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file)
/* wait for output to drain */
/* This will also return if we take an interrupt */
DPR_CLOSE(("Calling wait_for_drain\n"));
rc = bd->bd_ops->drain(tty, 0);
DPR_CLOSE(("After calling wait_for_drain\n"));
if (rc)
DPR_BASIC(("dgnc_tty_close - bad return: %d ", rc));
dgnc_tty_flush_buffer(tty);
tty_ldisc_flush(tty);
@ -1704,7 +1604,6 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file)
* If we have HUPCL set, lower DTR and RTS
*/
if (ch->ch_c_cflag & HUPCL) {
DPR_CLOSE(("Close. HUPCL set, dropping DTR/RTS\n"));
/* Drop RTS/DTR */
ch->ch_mostat &= ~(UART_MCR_DTR | UART_MCR_RTS);
@ -1715,13 +1614,9 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file)
* have been dropped for modems to see it.
*/
if (ch->ch_close_delay) {
DPR_CLOSE(("Close. Sleeping for RTS/DTR drop\n"));
DGNC_UNLOCK(ch->ch_lock, lock_flags);
dgnc_ms_sleep(ch->ch_close_delay);
DGNC_LOCK(ch->ch_lock, lock_flags);
DPR_CLOSE(("Close. After sleeping for RTS/DTR drop\n"));
}
}
@ -1743,13 +1638,10 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file)
un->un_tty = NULL;
un->un_flags &= ~(UN_ISOPEN | UN_CLOSING);
DPR_CLOSE(("Close. Doing wakeups\n"));
wake_up_interruptible(&ch->ch_flags_wait);
wake_up_interruptible(&un->un_flags_wait);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_BASIC(("dgnc_tty_close - complete\n"));
}
@ -1799,9 +1691,6 @@ static int dgnc_tty_chars_in_buffer(struct tty_struct *tty)
chars = thead - ttail + WQUEUESIZE;
}
DPR_WRITE(("dgnc_tty_chars_in_buffer. Port: %x - %d (head: %d tail: %d)\n",
ch->ch_portnum, chars, thead, ttail));
return chars;
}
@ -1919,8 +1808,6 @@ static int dgnc_tty_write_room(struct tty_struct *tty)
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_WRITE(("dgnc_tty_write_room - %d tail: %d head: %d\n", ret, tail, head));
return ret;
}
@ -1937,7 +1824,6 @@ static int dgnc_tty_put_char(struct tty_struct *tty, unsigned char c)
/*
* Simply call tty_write.
*/
DPR_WRITE(("dgnc_tty_put_char called\n"));
dgnc_tty_write(tty, &c, 1);
return 1;
}
@ -1977,9 +1863,6 @@ static int dgnc_tty_write(struct tty_struct *tty,
if (!count)
return 0;
DPR_WRITE(("dgnc_tty_write: Port: %x tty=%p user=%d len=%d\n",
ch->ch_portnum, tty, from_user, count));
/*
* Store original amount of characters passed in.
* This helps to figure out if we should ask the FEP
@ -1998,9 +1881,6 @@ static int dgnc_tty_write(struct tty_struct *tty,
if (bufcount < 0)
bufcount += WQUEUESIZE;
DPR_WRITE(("%d: bufcount: %x count: %x tail: %x head: %x tmask: %x\n",
__LINE__, bufcount, count, tail, head, tmask));
/*
* Limit printer output to maxcps overall, with bursts allowed
* up to bufsize characters.
@ -2128,8 +2008,6 @@ static int dgnc_tty_write(struct tty_struct *tty,
DGNC_UNLOCK(ch->ch_lock, lock_flags);
}
DPR_WRITE(("Write finished - Write %d bytes of %d.\n", count, orig_count));
if (count) {
/*
* Channel lock is grabbed and then released
@ -2165,8 +2043,6 @@ static int dgnc_tty_tiocmget(struct tty_struct *tty)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return result;
DPR_IOCTL(("dgnc_tty_tiocmget start\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
mstat = (ch->ch_mostat | ch->ch_mistat);
@ -2188,8 +2064,6 @@ static int dgnc_tty_tiocmget(struct tty_struct *tty)
if (mstat & UART_MSR_DCD)
result |= TIOCM_CD;
DPR_IOCTL(("dgnc_tty_tiocmget finish\n"));
return result;
}
@ -2224,9 +2098,6 @@ static int dgnc_tty_tiocmset(struct tty_struct *tty,
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return ret;
DPR_IOCTL(("dgnc_tty_tiocmset start\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
if (set & TIOCM_RTS)
@ -2245,8 +2116,6 @@ static int dgnc_tty_tiocmset(struct tty_struct *tty,
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_tiocmset finish\n"));
return 0;
}
@ -2290,16 +2159,12 @@ static int dgnc_tty_send_break(struct tty_struct *tty, int msec)
break;
}
DPR_IOCTL(("dgnc_tty_send_break start 1. %lx\n", jiffies));
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_bd->bd_ops->send_break(ch, msec);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_send_break finish\n"));
return 0;
}
@ -2333,10 +2198,7 @@ static void dgnc_tty_wait_until_sent(struct tty_struct *tty, int timeout)
return;
rc = bd->bd_ops->drain(tty, 0);
if (rc) {
DPR_IOCTL(("dgnc_tty_ioctl - bad return: %d ", rc));
return;
}
return;
}
@ -2368,14 +2230,12 @@ static void dgnc_tty_send_xchar(struct tty_struct *tty, char c)
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return;
DPR_IOCTL(("dgnc_tty_send_xchar start\n"));
printk("dgnc_tty_send_xchar start\n");
DGNC_LOCK(ch->ch_lock, lock_flags);
bd->bd_ops->send_immediate_char(ch, c);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_send_xchar finish\n"));
printk("dgnc_tty_send_xchar finish\n");
return;
}
@ -2392,8 +2252,6 @@ static inline int dgnc_get_mstat(struct channel_t *ch)
int result = -EIO;
ulong lock_flags;
DPR_IOCTL(("dgnc_getmstat start\n"));
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return -ENXIO;
@ -2418,8 +2276,6 @@ static inline int dgnc_get_mstat(struct channel_t *ch)
if (mstat & UART_MSR_DCD)
result |= TIOCM_CD;
DPR_IOCTL(("dgnc_getmstat finish\n"));
return result;
}
@ -2433,8 +2289,6 @@ static int dgnc_get_modem_info(struct channel_t *ch, unsigned int __user *value
int result;
int rc;
DPR_IOCTL(("dgnc_get_modem_info start\n"));
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return -ENXIO;
@ -2445,7 +2299,6 @@ static int dgnc_get_modem_info(struct channel_t *ch, unsigned int __user *value
rc = put_user(result, value);
DPR_IOCTL(("dgnc_get_modem_info finish\n"));
return rc;
}
@ -2481,8 +2334,6 @@ static int dgnc_set_modem_info(struct tty_struct *tty, unsigned int command, uns
ret = 0;
DPR_IOCTL(("dgnc_set_modem_info() start\n"));
ret = get_user(arg, value);
if (ret)
return ret;
@ -2530,8 +2381,6 @@ static int dgnc_set_modem_info(struct tty_struct *tty, unsigned int command, uns
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_set_modem_info finish\n"));
return 0;
}
@ -2594,8 +2443,6 @@ static int dgnc_tty_digiseta(struct tty_struct *tty, struct digi_t __user *new_i
struct digi_t new_digi;
ulong lock_flags;
DPR_IOCTL(("DIGI_SETA start\n"));
if (!tty || tty->magic != TTY_MAGIC)
return -EFAULT;
@ -2611,10 +2458,8 @@ static int dgnc_tty_digiseta(struct tty_struct *tty, struct digi_t __user *new_i
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return -EFAULT;
if (copy_from_user(&new_digi, new_info, sizeof(new_digi))) {
DPR_IOCTL(("DIGI_SETA failed copy_from_user\n"));
if (copy_from_user(&new_digi, new_info, sizeof(new_digi)))
return -EFAULT;
}
DGNC_LOCK(ch->ch_lock, lock_flags);
@ -2661,8 +2506,6 @@ static int dgnc_tty_digiseta(struct tty_struct *tty, struct digi_t __user *new_i
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("DIGI_SETA finish\n"));
return 0;
}
@ -2725,15 +2568,11 @@ static void dgnc_tty_throttle(struct tty_struct *tty)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
DPR_IOCTL(("dgnc_tty_throttle start\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_flags |= (CH_FORCED_STOPI);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_throttle finish\n"));
}
@ -2754,15 +2593,11 @@ static void dgnc_tty_unthrottle(struct tty_struct *tty)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
DPR_IOCTL(("dgnc_tty_unthrottle start\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_flags &= ~(CH_FORCED_STOPI);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_unthrottle finish\n"));
}
@ -2788,15 +2623,11 @@ static void dgnc_tty_start(struct tty_struct *tty)
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return;
DPR_IOCTL(("dgcn_tty_start start\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_flags &= ~(CH_FORCED_STOP);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_start finish\n"));
}
@ -2822,15 +2653,11 @@ static void dgnc_tty_stop(struct tty_struct *tty)
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return;
DPR_IOCTL(("dgnc_tty_stop start\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_flags |= (CH_FORCED_STOP);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_stop finish\n"));
}
@ -2869,15 +2696,11 @@ static void dgnc_tty_flush_chars(struct tty_struct *tty)
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return;
DPR_IOCTL(("dgnc_tty_flush_chars start\n"));
DGNC_LOCK(ch->ch_lock, lock_flags);
/* Do something maybe here */
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_flush_chars finish\n"));
}
@ -2904,8 +2727,6 @@ static void dgnc_tty_flush_buffer(struct tty_struct *tty)
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
DPR_IOCTL(("dgnc_tty_flush_buffer on port: %d start\n", ch->ch_portnum));
DGNC_LOCK(ch->ch_lock, lock_flags);
ch->ch_flags &= ~CH_STOP;
@ -2926,8 +2747,6 @@ static void dgnc_tty_flush_buffer(struct tty_struct *tty)
}
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_flush_buffer finish\n"));
}
@ -2968,13 +2787,9 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return -ENODEV;
DPR_IOCTL(("dgnc_tty_ioctl start on port %d - cmd %s (%x), arg %lx\n",
ch->ch_portnum, dgnc_ioctl_name(cmd), cmd, arg));
DGNC_LOCK(ch->ch_lock, lock_flags);
if (un->un_open_count <= 0) {
DPR_BASIC(("dgnc_tty_ioctl - unit not open.\n"));
DGNC_UNLOCK(ch->ch_lock, lock_flags);
return -EIO;
}
@ -2999,10 +2814,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
rc = ch->ch_bd->bd_ops->drain(tty, 0);
if (rc) {
DPR_IOCTL(("dgnc_tty_ioctl - bad return: %d ", rc));
if (rc)
return -EINTR;
}
DGNC_LOCK(ch->ch_lock, lock_flags);
@ -3012,9 +2825,6 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_ioctl finish on port %d - cmd %s (%x), arg %lx\n",
ch->ch_portnum, dgnc_ioctl_name(cmd), cmd, arg));
return 0;
@ -3030,10 +2840,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
return rc;
rc = ch->ch_bd->bd_ops->drain(tty, 0);
if (rc) {
DPR_IOCTL(("dgnc_tty_ioctl - bad return: %d ", rc));
if (rc)
return -EINTR;
}
DGNC_LOCK(ch->ch_lock, lock_flags);
@ -3041,9 +2849,6 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_ioctl finish on port %d - cmd %s (%x), arg %lx\n",
ch->ch_portnum, dgnc_ioctl_name(cmd), cmd, arg));
return 0;
case TIOCSBRK:
@ -3053,10 +2858,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
return rc;
rc = ch->ch_bd->bd_ops->drain(tty, 0);
if (rc) {
DPR_IOCTL(("dgnc_tty_ioctl - bad return: %d ", rc));
if (rc)
return -EINTR;
}
DGNC_LOCK(ch->ch_lock, lock_flags);
@ -3064,9 +2867,6 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_ioctl finish on port %d - cmd %s (%x), arg %lx\n",
ch->ch_portnum, dgnc_ioctl_name(cmd), cmd, arg));
return 0;
case TIOCCBRK:
@ -3176,13 +2976,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
/* now wait for all the output to drain */
DGNC_UNLOCK(ch->ch_lock, lock_flags);
rc = ch->ch_bd->bd_ops->drain(tty, 0);
if (rc) {
DPR_IOCTL(("dgnc_tty_ioctl - bad return: %d\n", rc));
if (rc)
return -EINTR;
}
DPR_IOCTL(("dgnc_tty_ioctl finish on port %d - cmd %s (%x), arg %lx\n",
ch->ch_portnum, dgnc_ioctl_name(cmd), cmd, arg));
/* pretend we didn't recognize this */
return -ENOIOCTLCMD;
@ -3191,10 +2986,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
DGNC_UNLOCK(ch->ch_lock, lock_flags);
rc = ch->ch_bd->bd_ops->drain(tty, 0);
if (rc) {
DPR_IOCTL(("dgnc_tty_ioctl - bad return: %d ", rc));
if (rc)
return -EINTR;
}
/* pretend we didn't recognize this */
return -ENOIOCTLCMD;
@ -3217,10 +3010,10 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
DGNC_UNLOCK(ch->ch_lock, lock_flags);
rc = ch->ch_bd->bd_ops->drain(tty, 0);
if (rc) {
DPR_IOCTL(("dgnc_tty_ioctl - bad return: %d ", rc));
if (rc)
return -EINTR;
}
DGNC_LOCK(ch->ch_lock, lock_flags);
} else {
tty_ldisc_flush(tty);
@ -3411,10 +3204,6 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
default:
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_ioctl - in default\n"));
DPR_IOCTL(("dgnc_tty_ioctl end - cmd %s (%x), arg %lx\n",
dgnc_ioctl_name(cmd), cmd, arg));
return -ENOIOCTLCMD;
}
}