Char: cyclades, make info->card a pointer

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 01c835a466bc9ac3beea615fbb588cc5aae45d2e..9bec4ef876f249a34d0342719b0e5820ace06447 100644 (file)
--- 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 e06cd470ddd2cd919d32932bfc6134f289a3f0f9..121d64c3247b1b75c4c86c9c33865e8e629866a3 100644 (file)
--- 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 */