[PATCH 11/21] Char: cyclades, make info->card a pointer

Jiri Slaby
2007-04-29T21:00:34Z

cyclades, make info->card a pointer

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>

---
commit fcc653d03162d0c14053a2fca345ae8aa1eff924
tree f1b9d6dec6104c1c53e9f533a8a378f22f86e63b
parent 17c85217155fbe44ff70ddf1912af5bc87fbb559
author Jiri Slaby <jirislaby@gmail.com> Thu, 26 Apr 2007 00:03:55 +0200
committer Jiri Slaby <jirislaby@gmail.com> Sat, 28 Apr 2007 23:48:14 +0200

drivers/char/cyclades.c | 323 +++++++++++++++++++++++-----------------------
include/linux/cyclades.h | 2
2 files changed, 163 insertions(+), 162 deletions(-)

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 01c835a..9bec4ef 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -655,12 +655,12 @@

#define CY_LOCK(info,flags) \
do { \
- spin_lock_irqsave(&cy_card[info->card].card_lock, flags); \
+ spin_lock_irqsave(&info->card->card_lock, flags); \
} while (0)

#define CY_UNLOCK(info,flags) \
do { \
- spin_unlock_irqrestore(&cy_card[info->card].card_lock, flags); \
+ spin_unlock_irqrestore(&info->card->card_lock, flags); \
} while (0)

#include <linux/kernel.h>
@@ -1555,7 +1555,7 @@ static void
cyz_handle_rx(struct cyclades_port *info, struct CH_CTRL __iomem *ch_ctrl,
struct BUF_CTRL __iomem *buf_ctrl)
{
- struct cyclades_card *cinfo = &cy_card[info->card];
+ struct cyclades_card *cinfo = info->card;
struct tty_struct *tty = info->tty;
int char_count;
int len;
@@ -1651,7 +1651,7 @@ static void
cyz_handle_tx(struct cyclades_port *info, struct CH_CTRL __iomem *ch_ctrl,
struct BUF_CTRL __iomem *buf_ctrl)
{
- struct cyclades_card *cinfo = &cy_card[info->card];
+ struct cyclades_card *cinfo = info->card;
struct tty_struct *tty = info->tty;
char data;
int char_count;
@@ -1878,13 +1878,13 @@ static irqreturn_t cyz_interrupt(int irq, void *dev_id)
static void cyz_rx_restart(unsigned long arg)
{
struct cyclades_port *info = (struct cyclades_port *)arg;
+ struct cyclades_card *card = info->card;
int retval;
- int card = info->card;
- __u32 channel = (info->line) - (cy_card[card].first_line);
+ __u32 channel = info->line - card->first_line;
unsigned long flags;

CY_LOCK(info, flags);
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK2, 0L);
+ retval = cyz_issue_cmd(card, channel, C_CM_INTBACK2, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:cyz_rx_restart retval on ttyC%d was %x\n",
info->line, retval);
@@ -1956,14 +1956,15 @@ static void cyz_poll(unsigned long arg)
*/
static int startup(struct cyclades_port *info)
{
+ struct cyclades_card *card;
unsigned long flags;
int retval = 0;
void __iomem *base_addr;
- int card, chip, channel, index;
+ int chip, channel, index;
unsigned long page;

card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
+ channel = info->line - card->first_line;

page = get_zeroed_page(GFP_KERNEL);
if (!page)
@@ -1993,12 +1994,11 @@ static int startup(struct cyclades_port *info)

set_line_char(info);

- if (!IS_CYC_Z(cy_card[card])) {
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr +
- (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc startup card %d, chip %d, channel %d, "
@@ -2050,14 +2050,14 @@ static int startup(struct cyclades_port *info)
struct CH_CTRL __iomem *ch_ctrl;
int retval;

- base_addr = cy_card[card].base_addr;
+ base_addr = card->base_addr;

firm_id = base_addr + ID_ADDRESS;
- if (!ISZLOADED(cy_card[card])) {
+ if (!ISZLOADED(*card)) {
return -ENODEV;
}

- zfw_ctrl = cy_card[card].base_addr +
+ zfw_ctrl = card->base_addr +
(readl(&firm_id->zfwctrl_addr) & 0xfffff);
board_ctrl = &zfw_ctrl->board_ctrl;
ch_ctrl = zfw_ctrl->ch_ctrl;
@@ -2088,15 +2088,14 @@ static int startup(struct cyclades_port *info)
#endif /* CONFIG_CYZ_INTR */
#endif /* Z_WAKE */

- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L);
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTL, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:startup(1) retval on ttyC%d was "
"%x\n", info->line, retval);
}

/* Flush RX buffers before raising DTR and RTS */
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_RX,
- 0L);
+ retval = cyz_issue_cmd(card, channel, C_CM_FLUSH_RX, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:startup(2) retval on ttyC%d was "
"%x\n", info->line, retval);
@@ -2107,7 +2106,7 @@ static int startup(struct cyclades_port *info)
cy_writel(&ch_ctrl[channel].rs_control,
readl(&ch_ctrl[channel].rs_control) | C_RS_RTS |
C_RS_DTR);
- retval = cyz_issue_cmd(&cy_card[info->card], channel,
+ retval = cyz_issue_cmd(info->card, channel,
C_CM_IOCTLM, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:startup(3) retval on ttyC%d was "
@@ -2145,18 +2144,18 @@ errout:

static void start_xmit(struct cyclades_port *info)
{
+ struct cyclades_card *card;
unsigned long flags;
void __iomem *base_addr;
- int card, chip, channel, index;
+ int chip, channel, index;

card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr +
- (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
cy_writeb(base_addr + (CyCAR << index), channel);
@@ -2168,8 +2167,7 @@ static void start_xmit(struct cyclades_port *info)
int retval;

CY_LOCK(info, flags);
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK,
- 0L);
+ retval = cyz_issue_cmd(card, channel, C_CM_INTBACK, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:start_xmit retval on ttyC%d was "
"%x\n", info->line, retval);
@@ -2187,22 +2185,22 @@ static void start_xmit(struct cyclades_port *info)
*/
static void shutdown(struct cyclades_port *info)
{
+ struct cyclades_card *card;
unsigned long flags;
void __iomem *base_addr;
- int card, chip, channel, index;
+ int chip, channel, index;

if (!(info->flags & ASYNC_INITIALIZED)) {
return;
}

card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr +
- (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc shutdown Y card %d, chip %d, "
@@ -2248,18 +2246,18 @@ static void shutdown(struct cyclades_port *info)
struct CH_CTRL __iomem *ch_ctrl;
int retval;

- base_addr = cy_card[card].base_addr;
+ base_addr = card->base_addr;
#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc shutdown Z card %d, channel %d, "
"base_addr %p\n", card, channel, base_addr);
#endif

firm_id = base_addr + ID_ADDRESS;
- if (!ISZLOADED(cy_card[card])) {
+ if (!ISZLOADED(*card)) {
return;
}

- zfw_ctrl = cy_card[card].base_addr +
+ zfw_ctrl = card->base_addr +
(readl(&firm_id->zfwctrl_addr) & 0xfffff);
board_ctrl = &zfw_ctrl->board_ctrl;
ch_ctrl = zfw_ctrl->ch_ctrl;
@@ -2277,7 +2275,7 @@ static void shutdown(struct cyclades_port *info)
cy_writel(&ch_ctrl[channel].rs_control,
(__u32)(readl(&ch_ctrl[channel].rs_control) &
~(C_RS_RTS | C_RS_DTR)));
- retval = cyz_issue_cmd(&cy_card[info->card], channel,
+ retval = cyz_issue_cmd(info->card, channel,
C_CM_IOCTLM, 0L);
if (retval != 0) {
printk(KERN_ERR"cyc:shutdown retval on ttyC%d "
@@ -2318,7 +2316,7 @@ block_til_ready(struct tty_struct *tty, struct file *filp,
int retval;
void __iomem *base_addr;

- cinfo = &cy_card[info->card];
+ cinfo = info->card;
channel = info->line - cinfo->first_line;

/*
@@ -2443,7 +2441,7 @@ block_til_ready(struct tty_struct *tty, struct file *filp,
cy_writel(&ch_ctrl[channel].rs_control,
readl(&ch_ctrl[channel].rs_control) |
C_RS_RTS | C_RS_DTR);
- retval = cyz_issue_cmd(&cy_card[info->card],
+ retval = cyz_issue_cmd(info->card,
channel, C_CM_IOCTLM, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:block_til_ready "
@@ -2522,8 +2520,8 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
treat it as absent from the system. This
will make the user pay attention.
*/
- if (IS_CYC_Z(cy_card[info->card])) {
- struct cyclades_card *cinfo = &cy_card[info->card];
+ if (IS_CYC_Z(*info->card)) {
+ struct cyclades_card *cinfo = info->card;
struct FIRM_ID __iomem *firm_id = cinfo->base_addr + ID_ADDRESS;

if (!ISZLOADED(*cinfo)) {
@@ -2634,9 +2632,10 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
*/
static void cy_wait_until_sent(struct tty_struct *tty, int timeout)
{
+ struct cyclades_card *card;
struct cyclades_port *info = tty->driver_data;
void __iomem *base_addr;
- int card, chip, channel, index;
+ int chip, channel, index;
unsigned long orig_jiffies;
int char_time;

@@ -2679,13 +2678,12 @@ static void cy_wait_until_sent(struct tty_struct *tty, int timeout)
timeout, char_time, jiffies);
#endif
card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = (info->line) - (card->first_line);
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr =
- cy_card[card].base_addr + (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
while (readb(base_addr + (CySRER << index)) & CyTxRdy) {
#ifdef CY_DEBUG_WAIT_UNTIL_SENT
printk(KERN_DEBUG "Not clean (jiff=%lu)...", jiffies);
@@ -2771,10 +2769,10 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
}
CY_LOCK(info, flags);

- if (!IS_CYC_Z(cy_card[info->card])) {
- int channel = info->line - cy_card[info->card].first_line;
- int index = cy_card[info->card].bus_index;
- void __iomem *base_addr = cy_card[info->card].base_addr +
+ if (!IS_CYC_Z(*info->card)) {
+ int channel = info->line - info->card->first_line;
+ int index = info->card->bus_index;
+ void __iomem *base_addr = info->card->base_addr +
(cy_chip_offset[channel >> 2] << index);
/* Stop accepting input */
channel &= 0x03;
@@ -2791,16 +2789,16 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
} else {
#ifdef Z_WAKE
/* Waiting for on-board buffers to be empty before closing the port */
- void __iomem *base_addr = cy_card[info->card].base_addr;
+ void __iomem *base_addr = info->card->base_addr;
struct FIRM_ID __iomem *firm_id = base_addr + ID_ADDRESS;
struct ZFW_CTRL __iomem *zfw_ctrl =
base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
struct CH_CTRL __iomem *ch_ctrl = zfw_ctrl->ch_ctrl;
- int channel = info->line - cy_card[info->card].first_line;
+ int channel = info->line - info->card->first_line;
int retval;

if (readl(&ch_ctrl[channel].flow_status) != C_FS_TXIDLE) {
- retval = cyz_issue_cmd(&cy_card[info->card], channel,
+ retval = cyz_issue_cmd(info->card, channel,
C_CM_IOCTLW, 0L);
if (retval != 0) {
printk(KERN_DEBUG "cyc:cy_close retval on "
@@ -2982,14 +2980,15 @@ static int cy_write_room(struct tty_struct *tty)

static int cy_chars_in_buffer(struct tty_struct *tty)
{
+ struct cyclades_card *card;
struct cyclades_port *info = tty->driver_data;
- int card, channel;
+ int channel;

if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer"))
return 0;

card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
+ channel = (info->line) - (card->first_line);

#ifdef Z_EXT_CHARS_IN_BUFFER
if (!IS_CYC_Z(cy_card[card])) {
@@ -3008,8 +3007,8 @@ static int cy_chars_in_buffer(struct tty_struct *tty)
int char_count;
__u32 tx_put, tx_get, tx_bufsize;

- firm_id = cy_card[card].base_addr + ID_ADDRESS;
- zfw_ctrl = cy_card[card].base_addr +
+ firm_id = card->base_addr + ID_ADDRESS;
+ zfw_ctrl = card->base_addr +
(readl(&firm_id->zfwctrl_addr) & 0xfffff);
ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]);
@@ -3067,9 +3066,10 @@ static void cyy_baud_calc(struct cyclades_port *info, __u32 baud)
*/
static void set_line_char(struct cyclades_port *info)
{
+ struct cyclades_card *card;
unsigned long flags;
void __iomem *base_addr;
- int card, chip, channel, index;
+ int chip, channel, index;
unsigned cflag, iflag;
unsigned short chip_number;
int baud, baud_rate = 0;
@@ -3099,12 +3099,12 @@ static void set_line_char(struct cyclades_port *info)
}

card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
+ channel = info->line - card->first_line;
chip_number = channel / 4;

- if (!IS_CYC_Z(cy_card[card])) {
+ if (!IS_CYC_Z(*card)) {

- index = cy_card[card].bus_index;
+ index = card->bus_index;

/* baud rate */
baud = tty_get_baud_rate(info->tty);
@@ -3222,8 +3222,7 @@ static void set_line_char(struct cyclades_port *info)

chip = channel >> 2;
channel &= 0x03;
- base_addr = cy_card[card].base_addr +
- (cy_chip_offset[chip] << index);
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
@@ -3331,12 +3330,12 @@ static void set_line_char(struct cyclades_port *info)
__u32 sw_flow;
int retval;

- firm_id = cy_card[card].base_addr + ID_ADDRESS;
- if (!ISZLOADED(cy_card[card])) {
+ firm_id = card->base_addr + ID_ADDRESS;
+ if (!ISZLOADED(*card)) {
return;
}

- zfw_ctrl = cy_card[card].base_addr +
+ zfw_ctrl = card->base_addr +
(readl(&firm_id->zfwctrl_addr) & 0xfffff);
board_ctrl = &zfw_ctrl->board_ctrl;
ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
@@ -3424,7 +3423,7 @@ static void set_line_char(struct cyclades_port *info)
}
cy_writel(&ch_ctrl->sw_flow, sw_flow);

- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L);
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTL, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:set_line_char retval on ttyC%d "
"was %x\n", info->line, retval);
@@ -3451,7 +3450,7 @@ static void set_line_char(struct cyclades_port *info)
#endif
}

- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTLM,0L);
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM,0L);
if (retval != 0) {
printk(KERN_ERR "cyc:set_line_char(2) retval on ttyC%d "
"was %x\n", info->line, retval);
@@ -3468,14 +3467,15 @@ get_serial_info(struct cyclades_port *info,
struct serial_struct __user * retinfo)
{
struct serial_struct tmp;
- struct cyclades_card *cinfo = &cy_card[info->card];
+ struct cyclades_card *cinfo = info->card;

if (!retinfo)
return -EFAULT;
memset(&tmp, 0, sizeof(tmp));
tmp.type = info->type;
tmp.line = info->line;
- tmp.port = info->card * 0x100 + info->line - cinfo->first_line;
+ tmp.port = (info->card - cy_card) * 0x100 + info->line -
+ cinfo->first_line;
tmp.irq = cinfo->irq;
tmp.flags = info->flags;
tmp.close_delay = info->close_delay;
@@ -3544,20 +3544,20 @@ check_and_exit:
*/
static int get_lsr_info(struct cyclades_port *info, unsigned int __user * value)
{
- int card, chip, channel, index;
+ struct cyclades_card *card;
+ int chip, channel, index;
unsigned char status;
unsigned int result;
unsigned long flags;
void __iomem *base_addr;

card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = (info->line) - (card->first_line);
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr =
- cy_card[card].base_addr + (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
status = readb(base_addr + (CySRER << index)) &
@@ -3574,7 +3574,8 @@ static int get_lsr_info(struct cyclades_port *info, unsigned int __user * value)
static int cy_tiocmget(struct tty_struct *tty, struct file *file)
{
struct cyclades_port *info = tty->driver_data;
- int card, chip, channel, index;
+ struct cyclades_card *card;
+ int chip, channel, index;
void __iomem *base_addr;
unsigned long flags;
unsigned char status;
@@ -3589,13 +3590,12 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file)
return -ENODEV;

card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr =
- cy_card[card].base_addr + (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
@@ -3615,10 +3615,10 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file)
((status & CyDSR) ? TIOCM_DSR : 0) |
((status & CyCTS) ? TIOCM_CTS : 0);
} else {
- base_addr = cy_card[card].base_addr;
- firm_id = cy_card[card].base_addr + ID_ADDRESS;
- if (ISZLOADED(cy_card[card])) {
- zfw_ctrl = cy_card[card].base_addr +
+ base_addr = card->base_addr;
+ firm_id = card->base_addr + ID_ADDRESS;
+ if (ISZLOADED(*card)) {
+ zfw_ctrl = card->base_addr +
(readl(&firm_id->zfwctrl_addr) & 0xfffff);
board_ctrl = &zfw_ctrl->board_ctrl;
ch_ctrl = zfw_ctrl->ch_ctrl;
@@ -3643,7 +3643,8 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
struct cyclades_port *info = tty->driver_data;
- int card, chip, channel, index;
+ struct cyclades_card *card;
+ int chip, channel, index;
void __iomem *base_addr;
unsigned long flags;
struct FIRM_ID __iomem *firm_id;
@@ -3656,13 +3657,12 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
return -ENODEV;

card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = (info->line) - (card->first_line);
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr =
- cy_card[card].base_addr + (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

if (set & TIOCM_RTS) {
CY_LOCK(info, flags);
@@ -3730,11 +3730,11 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
CY_UNLOCK(info, flags);
}
} else {
- base_addr = cy_card[card].base_addr;
+ base_addr = card->base_addr;

- firm_id = cy_card[card].base_addr + ID_ADDRESS;
- if (ISZLOADED(cy_card[card])) {
- zfw_ctrl = cy_card[card].base_addr +
+ firm_id = card->base_addr + ID_ADDRESS;
+ if (ISZLOADED(*card)) {
+ zfw_ctrl = card->base_addr +
(readl(&firm_id->zfwctrl_addr) & 0xfffff);
board_ctrl = &zfw_ctrl->board_ctrl;
ch_ctrl = zfw_ctrl->ch_ctrl;
@@ -3779,7 +3779,7 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
return -ENODEV;
}
CY_LOCK(info, flags);
- retval = cyz_issue_cmd(&cy_card[info->card],
+ retval = cyz_issue_cmd(info->card,
channel, C_CM_IOCTLM, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:set_modem_info retval on ttyC%d "
@@ -3802,7 +3802,7 @@ static void cy_break(struct tty_struct *tty, int break_state)
return;

CY_LOCK(info, flags);
- if (!IS_CYC_Z(cy_card[info->card])) {
+ if (!IS_CYC_Z(*info->card)) {
/* Let the transmit ISR take care of this (since it
requires stuffing characters into the output stream).
*/
@@ -3829,16 +3829,16 @@ static void cy_break(struct tty_struct *tty, int break_state)
int retval;

if (break_state == -1) {
- retval = cyz_issue_cmd(&cy_card[info->card],
- info->line - cy_card[info->card].first_line,
+ retval = cyz_issue_cmd(info->card,
+ info->line - info->card->first_line,
C_CM_SET_BREAK, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:cy_break (set) retval on "
"ttyC%d was %x\n", info->line, retval);
}
} else {
- retval = cyz_issue_cmd(&cy_card[info->card],
- info->line - cy_card[info->card].first_line,
+ retval = cyz_issue_cmd(info->card,
+ info->line - info->card->first_line,
C_CM_CLR_BREAK, 0L);
if (retval != 0) {
printk(KERN_DEBUG "cyc:cy_break (clr) retval "
@@ -3865,18 +3865,19 @@ get_mon_info(struct cyclades_port *info, struct cyclades_monitor __user * mon)

static int set_threshold(struct cyclades_port *info, unsigned long value)
{
+ struct cyclades_card *card;
void __iomem *base_addr;
- int card, channel, chip, index;
+ int channel, chip, index;
unsigned long flags;

card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
+ index = card->bus_index;
base_addr =
- cy_card[card].base_addr + (cy_chip_offset[chip] << index);
+ card->base_addr + (cy_chip_offset[chip] << index);

info->cor3 &= ~CyREC_FIFO;
info->cor3 |= value & CyREC_FIFO;
@@ -3894,18 +3895,18 @@ static int set_threshold(struct cyclades_port *info, unsigned long value)
static int
get_threshold(struct cyclades_port *info, unsigned long __user * value)
{
+ struct cyclades_card *card;
void __iomem *base_addr;
- int card, channel, chip, index;
+ int channel, chip, index;
unsigned long tmp;

card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr =
- cy_card[card].base_addr + (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

tmp = readb(base_addr + (CyCOR3 << index)) & CyREC_FIFO;
return put_user(tmp, value);
@@ -3930,18 +3931,18 @@ get_default_threshold(struct cyclades_port *info, unsigned long __user * value)

static int set_timeout(struct cyclades_port *info, unsigned long value)
{
+ struct cyclades_card *card;
void __iomem *base_addr;
- int card, channel, chip, index;
+ int channel, chip, index;
unsigned long flags;

card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr =
- cy_card[card].base_addr + (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
cy_writeb(base_addr + (CyRTPR << index), value & 0xff);
@@ -3954,18 +3955,18 @@ static int set_timeout(struct cyclades_port *info, unsigned long value)

static int get_timeout(struct cyclades_port *info, unsigned long __user * value)
{
+ struct cyclades_card *card;
void __iomem *base_addr;
- int card, channel, chip, index;
+ int channel, chip, index;
unsigned long tmp;

card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr =
- cy_card[card].base_addr + (cy_chip_offset[chip] << index);
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);

tmp = readb(base_addr + (CyRTPR << index));
return put_user(tmp, value);
@@ -4218,7 +4219,8 @@ static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
static void cy_send_xchar(struct tty_struct *tty, char ch)
{
struct cyclades_port *info = tty->driver_data;
- int card, channel;
+ struct cyclades_card *card;
+ int channel;

if (serial_paranoia_check(info, tty->name, "cy_send_xchar"))
return;
@@ -4229,15 +4231,13 @@ static void cy_send_xchar(struct tty_struct *tty, char ch)
cy_start(tty);

card = info->card;
- channel = info->line - cy_card[card].first_line;
+ channel = info->line - card->first_line;

- if (IS_CYC_Z(cy_card[card])) {
+ if (IS_CYC_Z(*card)) {
if (ch == STOP_CHAR(tty))
- cyz_issue_cmd(&cy_card[card], channel, C_CM_SENDXOFF,
- 0L);
+ cyz_issue_cmd(card, channel, C_CM_SENDXOFF, 0L);
else if (ch == START_CHAR(tty))
- cyz_issue_cmd(&cy_card[card], channel, C_CM_SENDXON,
- 0L);
+ cyz_issue_cmd(card, channel, C_CM_SENDXON, 0L);
}
}

@@ -4248,9 +4248,10 @@ static void cy_send_xchar(struct tty_struct *tty, char ch)
static void cy_throttle(struct tty_struct *tty)
{
struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
unsigned long flags;
void __iomem *base_addr;
- int card, chip, channel, index;
+ int chip, channel, index;

#ifdef CY_DEBUG_THROTTLE
char buf[64];
@@ -4266,19 +4267,19 @@ static void cy_throttle(struct tty_struct *tty)
card = info->card;

if (I_IXOFF(tty)) {
- if (!IS_CYC_Z(cy_card[card]))
+ if (!IS_CYC_Z(*card))
cy_send_xchar(tty, STOP_CHAR(tty));
else
info->throttle = 1;
}

if (tty->termios->c_cflag & CRTSCTS) {
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr +
+ index = card->bus_index;
+ base_addr = card->base_addr +
(cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
@@ -4306,9 +4307,10 @@ static void cy_throttle(struct tty_struct *tty)
static void cy_unthrottle(struct tty_struct *tty)
{
struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
unsigned long flags;
void __iomem *base_addr;
- int card, chip, channel, index;
+ int chip, channel, index;

#ifdef CY_DEBUG_THROTTLE
char buf[64];
@@ -4330,12 +4332,12 @@ static void cy_unthrottle(struct tty_struct *tty)

if (tty->termios->c_cflag & CRTSCTS) {
card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
+ channel = info->line - card->first_line;
+ if (!IS_CYC_Z(*card)) {
chip = channel >> 2;
channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr +
+ index = card->bus_index;
+ base_addr = card->base_addr +
(cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
@@ -4373,13 +4375,13 @@ static void cy_stop(struct tty_struct *tty)
if (serial_paranoia_check(info, tty->name, "cy_stop"))
return;

- cinfo = &cy_card[info->card];
+ cinfo = info->card;
channel = info->line - cinfo->first_line;
if (!IS_CYC_Z(*cinfo)) {
index = cinfo->bus_index;
chip = channel >> 2;
channel &= 0x03;
- base_addr = cy_card[info->card].base_addr +
+ base_addr = info->card->base_addr +
(cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
@@ -4408,13 +4410,13 @@ static void cy_start(struct tty_struct *tty)
if (serial_paranoia_check(info, tty->name, "cy_start"))
return;

- cinfo = &cy_card[info->card];
+ cinfo = info->card;
channel = info->line - cinfo->first_line;
index = cinfo->bus_index;
if (!IS_CYC_Z(*cinfo)) {
chip = channel >> 2;
channel &= 0x03;
- base_addr = cy_card[info->card].base_addr +
+ base_addr = info->card->base_addr +
(cy_chip_offset[chip] << index);

CY_LOCK(info, flags);
@@ -4430,7 +4432,8 @@ static void cy_start(struct tty_struct *tty)
static void cy_flush_buffer(struct tty_struct *tty)
{
struct cyclades_port *info = tty->driver_data;
- int card, channel, retval;
+ struct cyclades_card *card;
+ int channel, retval;
unsigned long flags;

#ifdef CY_DEBUG_IO
@@ -4441,17 +4444,16 @@ static void cy_flush_buffer(struct tty_struct *tty)
return;

card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
+ channel = info->line - card->first_line;

CY_LOCK(info, flags);
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
CY_UNLOCK(info, flags);

- if (IS_CYC_Z(cy_card[card])) { /* If it is a Z card, flush the on-board
+ if (IS_CYC_Z(*card)) { /* If it is a Z card, flush the on-board
buffers as well */
CY_LOCK(info, flags);
- retval =
- cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_TX, 0L);
+ retval = cyz_issue_cmd(card, channel, C_CM_FLUSH_TX, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc: flush_buffer retval on ttyC%d "
"was %x\n", info->line, retval);
@@ -4496,8 +4498,7 @@ static void cy_hangup(struct tty_struct *tty)
* ---------------------------------------------------------------------
*/

-static void __devinit cy_init_card(struct cyclades_card *cinfo,
- const unsigned int board)
+static void __devinit cy_init_card(struct cyclades_card *cinfo)
{
struct cyclades_port *info;
u32 mailbox;
@@ -4524,7 +4525,7 @@ static void __devinit cy_init_card(struct cyclades_card *cinfo,
info = &cy_port[port];
memset(info, 0, sizeof(*info));
info->magic = CYCLADES_MAGIC;
- info->card = board;
+ info->card = cinfo;
info->line = port;
info->flags = STD_COM_FLAGS;
info->closing_wait = CLOSING_WAIT_DELAY;
@@ -4763,7 +4764,7 @@ static int __init cy_detect_isa(void)
cy_card[j].bus_index = 0;
cy_card[j].first_line = cy_next_channel;
cy_card[j].num_chips = cy_isa_nchan / 4;
- cy_init_card(&cy_card[j], j);
+ cy_init_card(&cy_card[j]);
nboard++;

printk(KERN_INFO "Cyclom-Y/ISA #%d: 0x%lx-0x%lx, IRQ%d found: "
@@ -4849,7 +4850,7 @@ static int __devinit cy_init_Ze(struct RUNTIME_9060 __iomem *cy_pci_addr0,
cy_card[j].bus_index = 1;
cy_card[j].first_line = cy_next_channel;
cy_card[j].num_chips = -1;
- cy_init_card(&cy_card[j], j);
+ cy_init_card(&cy_card[j]);
pci_set_drvdata(pdev, &cy_card[j]);

dev_info(&pdev->dev, "Cyclades-Ze/PCI #%d found: %d channels starting "
@@ -4956,7 +4957,7 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev,
cy_card[j].bus_index = 1;
cy_card[j].first_line = cy_next_channel;
cy_card[j].num_chips = cy_pci_nchan / 4;
- cy_init_card(&cy_card[j], j);
+ cy_init_card(&cy_card[j]);
pci_set_drvdata(pdev, &cy_card[j]);

/* enable interrupts in the PCI interface */
@@ -5110,7 +5111,7 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev,
cy_card[j].bus_index = 1;
cy_card[j].first_line = cy_next_channel;
cy_card[j].num_chips = -1;
- cy_init_card(&cy_card[j], j);
+ cy_init_card(&cy_card[j]);
pci_set_drvdata(pdev, &cy_card[j]);

dev_info(&pdev->dev, "Cyclades-8Zo/PCI #%d found: %d channels "
diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
index e06cd47..121d64c 100644
--- a/include/linux/cyclades.h
+++ b/include/linux/cyclades.h
@@ -549,7 +549,7 @@ struct cyclades_icount {

struct cyclades_port {
int magic;
- int card;
+ struct cyclades_card *card;
int line;
int flags; /* defined in tty.h */
int type; /* UART type */