30 files changed, 82 insertions, 572 deletions

diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index e9c0178cd202..ac7eabbf662a 100644
--- a/Documentation/serial/driver
+++ b/Documentation/serial/driver
@@ -107,8 +107,8 @@ hardware.
         indicate that the signal is permanently active.  If RI is
         not available, the signal should not be indicated as active.
 
-        Locking: none.
-        Interrupts: caller dependent.
+        Locking: port->lock taken.
+        Interrupts: locally disabled.
         This call must not sleep
 
   stop_tx(port,tty_stop)
diff --git a/arch/parisc/configs/712_defconfig b/arch/parisc/configs/712_defconfig
index 872085dea8a8..6efaa9293eef 100644
--- a/arch/parisc/configs/712_defconfig
+++ b/arch/parisc/configs/712_defconfig
@@ -506,7 +506,7 @@ CONFIG_HW_CONSOLE=y
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=8
+CONFIG_SERIAL_8250_NR_UARTS=17
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
diff --git a/arch/parisc/configs/a500_defconfig b/arch/parisc/configs/a500_defconfig
index d28ebfa1070d..30fc03ed0cfb 100644
--- a/arch/parisc/configs/a500_defconfig
+++ b/arch/parisc/configs/a500_defconfig
@@ -662,7 +662,7 @@ CONFIG_HW_CONSOLE=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_CS=m
-CONFIG_SERIAL_8250_NR_UARTS=8
+CONFIG_SERIAL_8250_NR_UARTS=17
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
diff --git a/arch/parisc/configs/b180_defconfig b/arch/parisc/configs/b180_defconfig
index 1700d7aec686..46c9511f3229 100644
--- a/arch/parisc/configs/b180_defconfig
+++ b/arch/parisc/configs/b180_defconfig
@@ -514,7 +514,7 @@ CONFIG_HW_CONSOLE=y
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_NR_UARTS=13
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
diff --git a/arch/parisc/configs/c3000_defconfig b/arch/parisc/configs/c3000_defconfig
index b27980161c31..67aca6ccc9b0 100644
--- a/arch/parisc/configs/c3000_defconfig
+++ b/arch/parisc/configs/c3000_defconfig
@@ -661,7 +661,7 @@ CONFIG_HW_CONSOLE=y
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_NR_UARTS=13
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
diff --git a/arch/parisc/defconfig b/arch/parisc/defconfig
index ebd6301aa599..fdae21c503d7 100644
--- a/arch/parisc/defconfig
+++ b/arch/parisc/defconfig
@@ -517,7 +517,7 @@ CONFIG_HW_CONSOLE=y
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_NR_UARTS=13
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 34e75bc8f4cc..9224fc3184ea 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -105,7 +105,7 @@ static struct old_serial_port old_serial_port[] = {
         SERIAL_PORT_DFNS /* defined in asm/serial.h */
 };
 
-#define UART_NR (ARRAY_SIZE(old_serial_port) + CONFIG_SERIAL_8250_NR_UARTS)
+#define UART_NR CONFIG_SERIAL_8250_NR_UARTS
 
 #ifdef CONFIG_SERIAL_8250_RSA
 
@@ -993,21 +993,24 @@ static void autoconfig_irq(struct uart_8250_port *up)
         up->port.irq = (irq > 0) ? irq : 0;
 }
 
+static inline void __stop_tx(struct uart_8250_port *p)
+{
+        if (p->ier & UART_IER_THRI) {
+                p->ier &= ~UART_IER_THRI;
+                serial_out(p, UART_IER, p->ier);
+        }
+}
+
 static void serial8250_stop_tx(struct uart_port *port, unsigned int tty_stop)
 {
         struct uart_8250_port *up = (struct uart_8250_port *)port;
 
-        if (up->ier & UART_IER_THRI) {
-                up->ier &= ~UART_IER_THRI;
-                serial_out(up, UART_IER, up->ier);
-        }
+        __stop_tx(up);
 
         /*
-         * We only do this from uart_stop - if we run out of
-         * characters to send, we don't want to prevent the
-         * FIFO from emptying.
+         * We really want to stop the transmitter from sending.
          */
-        if (up->port.type == PORT_16C950 && tty_stop) {
+        if (up->port.type == PORT_16C950) {
                 up->acr |= UART_ACR_TXDIS;
                 serial_icr_write(up, UART_ACR, up->acr);
         }
@@ -1031,10 +1034,11 @@ static void serial8250_start_tx(struct uart_port *port, unsigned int tty_start)
                                 transmit_chars(up);
                 }
         }
+
         /*
-         * We only do this from uart_start
+         * Re-enable the transmitter if we disabled it.
          */
-        if (tty_start && up->port.type == PORT_16C950) {
+        if (up->port.type == PORT_16C950 && up->acr & UART_ACR_TXDIS) {
                 up->acr &= ~UART_ACR_TXDIS;
                 serial_icr_write(up, UART_ACR, up->acr);
         }
@@ -1155,7 +1159,7 @@ static _INLINE_ void transmit_chars(struct uart_8250_port *up)
                 return;
         }
         if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
-                serial8250_stop_tx(&up->port, 0);
+                __stop_tx(up);
                 return;
         }
 
@@ -1174,7 +1178,7 @@ static _INLINE_ void transmit_chars(struct uart_8250_port *up)
         DEBUG_INTR("THRE...");
 
         if (uart_circ_empty(xmit))
-                serial8250_stop_tx(&up->port, 0);
+                __stop_tx(up);
 }
 
 static _INLINE_ void check_modem_status(struct uart_8250_port *up)
@@ -1376,13 +1380,10 @@ static unsigned int serial8250_tx_empty(struct uart_port *port)
 static unsigned int serial8250_get_mctrl(struct uart_port *port)
 {
         struct uart_8250_port *up = (struct uart_8250_port *)port;
-        unsigned long flags;
         unsigned char status;
         unsigned int ret;
 
-        spin_lock_irqsave(&up->port.lock, flags);
         status = serial_in(up, UART_MSR);
-        spin_unlock_irqrestore(&up->port.lock, flags);
 
         ret = 0;
         if (status & UART_MSR_DCD)
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index e879bce160df..e0d0a470ddfc 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -86,7 +86,7 @@ config SERIAL_8250_ACPI
           namespace, say Y here.  If unsure, say N.
 
 config SERIAL_8250_NR_UARTS
-        int "Maximum number of non-legacy 8250/16550 serial ports"
+        int "Maximum number of 8250/16550 serial ports"
         depends on SERIAL_8250
         default "4"
         help
diff --git a/drivers/serial/au1x00_uart.c b/drivers/serial/au1x00_uart.c
index 5400dc2c087e..6104aeef1243 100644
--- a/drivers/serial/au1x00_uart.c
+++ b/drivers/serial/au1x00_uart.c
@@ -556,13 +556,10 @@ static unsigned int serial8250_tx_empty(struct uart_port *port)
 static unsigned int serial8250_get_mctrl(struct uart_port *port)
 {
         struct uart_8250_port *up = (struct uart_8250_port *)port;
-        unsigned long flags;
         unsigned char status;
         unsigned int ret;
 
-        spin_lock_irqsave(&up->port.lock, flags);
         status = serial_in(up, UART_MSR);
-        spin_unlock_irqrestore(&up->port.lock, flags);
 
         ret = 0;
         if (status & UART_MSR_DCD)
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 3ea46c069f6f..ea5bf4d4daa3 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -518,27 +518,28 @@ static irqreturn_t ip22zilog_interrupt(int irq, void *dev_id, struct pt_regs *re
 static __inline__ unsigned char ip22zilog_read_channel_status(struct uart_port *port)
 {
         struct zilog_channel *channel;
-        unsigned long flags;
         unsigned char status;
 
-        spin_lock_irqsave(&port->lock, flags);
-
         channel = ZILOG_CHANNEL_FROM_PORT(port);
         status = readb(&channel->control);
         ZSDELAY();
 
-        spin_unlock_irqrestore(&port->lock, flags);
-
         return status;
 }
 
 /* The port lock is not held.  */
 static unsigned int ip22zilog_tx_empty(struct uart_port *port)
 {
+        unsigned long flags;
         unsigned char status;
         unsigned int ret;
 
+        spin_lock_irqsave(&port->lock, flags);
+
         status = ip22zilog_read_channel_status(port);
+
+        spin_unlock_irqrestore(&port->lock, flags);
+
         if (status & Tx_BUF_EMP)
                 ret = TIOCSER_TEMT;
         else
@@ -547,7 +548,7 @@ static unsigned int ip22zilog_tx_empty(struct uart_port *port)
         return ret;
 }
 
-/* The port lock is not held.  */
+/* The port lock is held and interrupts are disabled.  */
 static unsigned int ip22zilog_get_mctrl(struct uart_port *port)
 {
         unsigned char status;
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index a2a643318002..e43276c6a954 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -1058,12 +1058,9 @@ mpsc_get_mctrl(struct uart_port *port)
 {
         struct mpsc_port_info *pi = (struct mpsc_port_info *)port;
         u32 mflags, status;
-        ulong iflags;
 
-        spin_lock_irqsave(&pi->port.lock, iflags);
         status = (pi->mirror_regs) ? pi->MPSC_CHR_10_m :
                 readl(pi->mpsc_base + MPSC_CHR_10);
-        spin_unlock_irqrestore(&pi->port.lock, iflags);
 
         mflags = 0;
         if (status & 0x1)
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 85abd8a045e0..1c9f71617123 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -604,7 +604,7 @@ static void pmz_set_mctrl(struct uart_port *port, unsigned int mctrl)
 /* 
  * Get Modem Control bits (only the input ones, the core will
  * or that with a cached value of the control ones)
- * The port lock is not held.
+ * The port lock is held and interrupts are disabled.
  */
 static unsigned int pmz_get_mctrl(struct uart_port *port)
 {
@@ -615,7 +615,7 @@ static unsigned int pmz_get_mctrl(struct uart_port *port)
         if (ZS_IS_ASLEEP(uap) || uap->node == NULL)
                 return 0;
 
-        status = pmz_peek_status(to_pmz(port));
+        status = read_zsreg(uap, R0);
 
         ret = 0;
         if (status & DCD)
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index 08b08d6ae904..461c81c93207 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -274,14 +274,11 @@ static unsigned int serial_pxa_tx_empty(struct uart_port *port)
 static unsigned int serial_pxa_get_mctrl(struct uart_port *port)
 {
         struct uart_pxa_port *up = (struct uart_pxa_port *)port;
-        unsigned long flags;
         unsigned char status;
         unsigned int ret;
 
 return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
-        spin_lock_irqsave(&up->port.lock, flags);
         status = serial_in(up, UART_MSR);
-        spin_unlock_irqrestore(&up->port.lock, flags);
 
         ret = 0;
         if (status & UART_MSR_DCD)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 36b1ae083fb7..139863a787f3 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -182,6 +182,13 @@ static int uart_startup(struct uart_state *state, int init_hw)
                                 uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR);
                 }
 
+                if (info->flags & UIF_CTS_FLOW) {
+                        spin_lock_irq(&port->lock);
+                        if (!(port->ops->get_mctrl(port) & TIOCM_CTS))
+                                info->tty->hw_stopped = 1;
+                        spin_unlock_irq(&port->lock);
+                }
+
                 info->flags |= UIF_INITIALIZED;
 
                 clear_bit(TTY_IO_ERROR, &info->tty->flags);
@@ -828,7 +835,10 @@ static int uart_tiocmget(struct tty_struct *tty, struct file *file)
         if ((!file || !tty_hung_up_p(file)) &&
             !(tty->flags & (1 << TTY_IO_ERROR))) {
                 result = port->mctrl;
+
+                spin_lock_irq(&port->lock);
                 result |= port->ops->get_mctrl(port);
+                spin_unlock_irq(&port->lock);
         }
         up(&state->sem);
 
@@ -1131,6 +1141,16 @@ static void uart_set_termios(struct tty_struct *tty, struct termios *old_termios
                 spin_unlock_irqrestore(&state->port->lock, flags);
         }
 
+        /* Handle turning on CRTSCTS */
+        if (!(old_termios->c_cflag & CRTSCTS) && (cflag & CRTSCTS)) {
+                spin_lock_irqsave(&state->port->lock, flags);
+                if (!(state->port->ops->get_mctrl(state->port) & TIOCM_CTS)) {
+                        tty->hw_stopped = 1;
+                        state->port->ops->stop_tx(state->port, 0);
+                }
+                spin_unlock_irqrestore(&state->port->lock, flags);
+        }
+
 #if 0
         /*
          * No need to wake up processes in open wait, since they
@@ -1369,6 +1389,7 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
         DECLARE_WAITQUEUE(wait, current);
         struct uart_info *info = state->info;
         struct uart_port *port = state->port;
+        unsigned int mctrl;
 
         info->blocked_open++;
         state->count--;
@@ -1416,7 +1437,10 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
                  * and wait for the carrier to indicate that the
                  * modem is ready for us.
                  */
-                if (port->ops->get_mctrl(port) & TIOCM_CAR)
+                spin_lock_irq(&port->lock);
+                mctrl = port->ops->get_mctrl(port);
+                spin_unlock_irq(&port->lock);
+                if (mctrl & TIOCM_CAR)
                         break;
 
                 up(&state->sem);
@@ -1618,7 +1642,9 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
 
         if(capable(CAP_SYS_ADMIN))
         {
+                spin_lock_irq(&port->lock);
                 status = port->ops->get_mctrl(port);
+                spin_unlock_irq(&port->lock);
 
                 ret += sprintf(buf + ret, " tx:%d rx:%d",
                                 port->icount.tx, port->icount.rx);
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 3f1051a4a13f..d085030df70b 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -442,13 +442,10 @@ static unsigned int serial_txx9_tx_empty(struct uart_port *port)
 static unsigned int serial_txx9_get_mctrl(struct uart_port *port)
 {
         struct uart_txx9_port *up = (struct uart_txx9_port *)port;
-        unsigned long flags;
         unsigned int ret;
 
-        spin_lock_irqsave(&up->port.lock, flags);
         ret =  ((sio_in(up, TXX9_SIFLCR) & TXX9_SIFLCR_RTSSC) ? 0 : TIOCM_RTS)
                 | ((sio_in(up, TXX9_SICISR) & TXX9_SICISR_CTSS) ? 0 : TIOCM_CTS);
-        spin_unlock_irqrestore(&up->port.lock, flags);
 
         return ret;
 }
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 10e2990a40d4..8d198880756a 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -426,18 +426,15 @@ static void sunsab_set_mctrl(struct uart_port *port, unsigned int mctrl)
                 sunsab_tx_idle(up);
 }
 
-/* port->lock is not held.  */
+/* port->lock is held by caller and interrupts are disabled.  */
 static unsigned int sunsab_get_mctrl(struct uart_port *port)
 {
         struct uart_sunsab_port *up = (struct uart_sunsab_port *) port;
-        unsigned long flags;
         unsigned char val;
         unsigned int result;
 
         result = 0;
 
-        spin_lock_irqsave(&up->port.lock, flags);
-
         val = readb(&up->regs->r.pvr);
         result |= (val & up->pvr_dsr_bit) ? 0 : TIOCM_DSR;
 
@@ -447,8 +444,6 @@ static unsigned int sunsab_get_mctrl(struct uart_port *port)
         val = readb(&up->regs->r.star);
         result |= (val & SAB82532_STAR_CTS) ? TIOCM_CTS : 0;
 
-        spin_unlock_irqrestore(&up->port.lock, flags);
-
         return result;
 }
 
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index ddc97c905e14..d57a3553aea3 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -572,13 +572,10 @@ static unsigned int sunsu_tx_empty(struct uart_port *port)
 static unsigned int sunsu_get_mctrl(struct uart_port *port)
 {
         struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
-        unsigned long flags;
         unsigned char status;
         unsigned int ret;
 
-        spin_lock_irqsave(&up->port.lock, flags);
         status = serial_in(up, UART_MSR);
-        spin_unlock_irqrestore(&up->port.lock, flags);
 
         ret = 0;
         if (status & UART_MSR_DCD)
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 8e65206d3d76..bff42a7b89d0 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -610,27 +610,28 @@ static irqreturn_t sunzilog_interrupt(int irq, void *dev_id, struct pt_regs *reg
 static __inline__ unsigned char sunzilog_read_channel_status(struct uart_port *port)
 {
         struct zilog_channel __iomem *channel;
-        unsigned long flags;
         unsigned char status;
 
-        spin_lock_irqsave(&port->lock, flags);
-
         channel = ZILOG_CHANNEL_FROM_PORT(port);
         status = sbus_readb(&channel->control);
         ZSDELAY();
 
-        spin_unlock_irqrestore(&port->lock, flags);
-
         return status;
 }
 
 /* The port lock is not held.  */
 static unsigned int sunzilog_tx_empty(struct uart_port *port)
 {
+        unsigned long flags;
         unsigned char status;
         unsigned int ret;
 
+        spin_lock_irqsave(&port->lock, flags);
+
         status = sunzilog_read_channel_status(port);
+
+        spin_unlock_irqrestore(&port->lock, flags);
+
         if (status & Tx_BUF_EMP)
                 ret = TIOCSER_TEMT;
         else
@@ -639,7 +640,7 @@ static unsigned int sunzilog_tx_empty(struct uart_port *port)
         return ret;
 }
 
-/* The port lock is not held.  */
+/* The port lock is held and interrupts are disabled.  */
 static unsigned int sunzilog_get_mctrl(struct uart_port *port)
 {
         unsigned char status;
diff --git a/include/asm-alpha/serial.h b/include/asm-alpha/serial.h
index 7b2d9ee95a44..7e4b2987d453 100644
--- a/include/asm-alpha/serial.h
+++ b/include/asm-alpha/serial.h
@@ -22,54 +22,9 @@
 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
 #endif
 
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define FOURPORT_FLAGS ASYNC_FOURPORT
-#define ACCENT_FLAGS 0
-#define BOCA_FLAGS 0
-#endif
-        
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                        \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
         { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },      /* ttyS1 */     \
         { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
         { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
-
-
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define EXTRA_SERIAL_PORT_DEFNS                 \
-        { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS },     /* ttyS4 */     \
-        { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },     /* ttyS5 */     \
-        { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },     /* ttyS6 */     \
-        { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },     /* ttyS7 */     \
-        { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },     /* ttyS8 */     \
-        { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },     /* ttyS9 */     \
-        { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },     /* ttyS10 */    \
-        { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },     /* ttyS11 */    \
-        { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },       /* ttyS12 */    \
-        { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },       /* ttyS13 */    \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS14 (spare) */            \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS15 (spare) */            \
-        { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },        /* ttyS16 */    \
-        { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },        /* ttyS17 */    \
-        { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },        /* ttyS18 */    \
-        { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },        /* ttyS19 */    \
-        { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },        /* ttyS20 */    \
-        { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },        /* ttyS21 */    \
-        { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },        /* ttyS22 */    \
-        { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },        /* ttyS23 */    \
-        { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },        /* ttyS24 */    \
-        { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },        /* ttyS25 */    \
-        { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },        /* ttyS26 */    \
-        { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },        /* ttyS27 */    \
-        { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },        /* ttyS28 */    \
-        { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },        /* ttyS29 */    \
-        { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },        /* ttyS30 */    \
-        { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },        /* ttyS31 */
-#else
-#define EXTRA_SERIAL_PORT_DEFNS
-#endif
-
-#define SERIAL_PORT_DFNS                \
-        STD_SERIAL_PORT_DEFNS           \
-        EXTRA_SERIAL_PORT_DEFNS
diff --git a/include/asm-arm26/serial.h b/include/asm-arm26/serial.h
index 21e1df31f086..5fc747d1b501 100644
--- a/include/asm-arm26/serial.h
+++ b/include/asm-arm26/serial.h
@@ -30,34 +30,16 @@
 #if defined(CONFIG_ARCH_A5K)
      /* UART CLK        PORT  IRQ     FLAGS        */
 
-#define STD_SERIAL_PORT_DEFNS                                           \
+#define SERIAL_PORT_DFNS                                                \
         { 0, BASE_BAUD, 0x3F8, 10, STD_COM_FLAGS },     /* ttyS0 */     \
         { 0, BASE_BAUD, 0x2F8, 10, STD_COM_FLAGS },     /* ttyS1 */
 
 #else
 
-#define STD_SERIAL_PORT_DEFNS                                           \
+#define SERIAL_PORT_DFNS                                                \
         { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS0 */     \
         { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS1 */
 
 #endif
 
-#define EXTRA_SERIAL_PORT_DEFNS \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS2 */     \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS3 */     \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS4 */     \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS5 */     \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS6 */     \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS7 */     \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS8 */     \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS9 */     \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS10 */    \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS11 */    \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS12 */    \
-        { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS13 */
-
-#define SERIAL_PORT_DFNS                \
-        STD_SERIAL_PORT_DEFNS           \
-        EXTRA_SERIAL_PORT_DEFNS
-
 #endif
diff --git a/include/asm-i386/serial.h b/include/asm-i386/serial.h
index 21ddecc77c77..e1ecfccb743b 100644
--- a/include/asm-i386/serial.h
+++ b/include/asm-i386/serial.h
@@ -22,109 +22,9 @@
 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
 #endif
 
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define FOURPORT_FLAGS ASYNC_FOURPORT
-#define ACCENT_FLAGS 0
-#define BOCA_FLAGS 0
-#define HUB6_FLAGS 0
-#endif
-
-#define MCA_COM_FLAGS   (STD_COM_FLAGS|ASYNC_BOOT_ONLYMCA)
-
-/*
- * The following define the access methods for the HUB6 card. All
- * access is through two ports for all 24 possible chips. The card is
- * selected through the high 2 bits, the port on that card with the
- * "middle" 3 bits, and the register on that port with the bottom
- * 3 bits.
- *
- * While the access port and interrupt is configurable, the default
- * port locations are 0x302 for the port control register, and 0x303
- * for the data read/write register. Normally, the interrupt is at irq3
- * but can be anything from 3 to 7 inclusive. Note that using 3 will
- * require disabling com2.
- */
-
-#define C_P(card,port) (((card)<<6|(port)<<3) + 1)
-
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                        \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
         { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },      /* ttyS1 */     \
         { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
         { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
-
-
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define EXTRA_SERIAL_PORT_DEFNS                 \
-        { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS },     /* ttyS4 */     \
-        { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },     /* ttyS5 */     \
-        { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },     /* ttyS6 */     \
-        { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },     /* ttyS7 */     \
-        { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },     /* ttyS8 */     \
-        { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },     /* ttyS9 */     \
-        { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },     /* ttyS10 */    \
-        { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },     /* ttyS11 */    \
-        { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },       /* ttyS12 */    \
-        { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },       /* ttyS13 */    \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS14 (spare) */            \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS15 (spare) */            \
-        { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },        /* ttyS16 */    \
-        { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },        /* ttyS17 */    \
-        { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },        /* ttyS18 */    \
-        { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },        /* ttyS19 */    \
-        { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },        /* ttyS20 */    \
-        { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },        /* ttyS21 */    \
-        { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },        /* ttyS22 */    \
-        { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },        /* ttyS23 */    \
-        { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },        /* ttyS24 */    \
-        { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },        /* ttyS25 */    \
-        { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },        /* ttyS26 */    \
-        { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },        /* ttyS27 */    \
-        { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },        /* ttyS28 */    \
-        { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },        /* ttyS29 */    \
-        { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },        /* ttyS30 */    \
-        { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },        /* ttyS31 */
-#else
-#define EXTRA_SERIAL_PORT_DEFNS
-#endif
-
-/* You can have up to four HUB6's in the system, but I've only
- * included two cards here for a total of twelve ports.
- */
-#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
-#define HUB6_SERIAL_PORT_DFNS           \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) },  /* ttyS32 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) },  /* ttyS33 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) },  /* ttyS34 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) },  /* ttyS35 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) },  /* ttyS36 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) },  /* ttyS37 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) },  /* ttyS38 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) },  /* ttyS39 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) },  /* ttyS40 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) },  /* ttyS41 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) },  /* ttyS42 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) },  /* ttyS43 */
-#else
-#define HUB6_SERIAL_PORT_DFNS
-#endif
-
-#ifdef CONFIG_MCA
-#define MCA_SERIAL_PORT_DFNS                    \
-        { 0, BASE_BAUD, 0x3220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x3228, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x4220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x4228, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x5220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x5228, 3, MCA_COM_FLAGS },
-#else
-#define MCA_SERIAL_PORT_DFNS
-#endif
-
-#define SERIAL_PORT_DFNS                \
-        STD_SERIAL_PORT_DEFNS           \
-        EXTRA_SERIAL_PORT_DEFNS         \
-        HUB6_SERIAL_PORT_DFNS           \
-        MCA_SERIAL_PORT_DFNS
-
diff --git a/include/asm-m68k/serial.h b/include/asm-m68k/serial.h
index 9f5bcdc105fc..3fe29f8b0194 100644
--- a/include/asm-m68k/serial.h
+++ b/include/asm-m68k/serial.h
@@ -26,54 +26,9 @@
 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
 #endif
 
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define FOURPORT_FLAGS ASYNC_FOURPORT
-#define ACCENT_FLAGS 0
-#define BOCA_FLAGS 0
-#endif
-
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                        \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
         { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },      /* ttyS1 */     \
         { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
         { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
-
-
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define EXTRA_SERIAL_PORT_DEFNS                 \
-        { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS },     /* ttyS4 */     \
-        { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },     /* ttyS5 */     \
-        { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },     /* ttyS6 */     \
-        { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },     /* ttyS7 */     \
-        { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },     /* ttyS8 */     \
-        { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },     /* ttyS9 */     \
-        { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },     /* ttyS10 */    \
-        { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },     /* ttyS11 */    \
-        { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },       /* ttyS12 */    \
-        { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },       /* ttyS13 */    \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS14 (spare) */            \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS15 (spare) */            \
-        { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },        /* ttyS16 */    \
-        { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },        /* ttyS17 */    \
-        { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },        /* ttyS18 */    \
-        { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },        /* ttyS19 */    \
-        { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },        /* ttyS20 */    \
-        { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },        /* ttyS21 */    \
-        { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },        /* ttyS22 */    \
-        { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },        /* ttyS23 */    \
-        { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },        /* ttyS24 */    \
-        { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },        /* ttyS25 */    \
-        { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },        /* ttyS26 */    \
-        { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },        /* ttyS27 */    \
-        { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },        /* ttyS28 */    \
-        { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },        /* ttyS29 */    \
-        { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },        /* ttyS30 */    \
-        { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },        /* ttyS31 */
-#else
-#define EXTRA_SERIAL_PORT_DEFNS
-#endif
-
-#define SERIAL_PORT_DFNS                \
-        STD_SERIAL_PORT_DEFNS           \
-        EXTRA_SERIAL_PORT_DEFNS
diff --git a/include/asm-mips/serial.h b/include/asm-mips/serial.h
index 8a70ff58f760..4eed8e2acdc3 100644
--- a/include/asm-mips/serial.h
+++ b/include/asm-mips/serial.h
@@ -29,32 +29,6 @@
 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
 #endif
 
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define FOURPORT_FLAGS ASYNC_FOURPORT
-#define ACCENT_FLAGS 0
-#define BOCA_FLAGS 0
-#define HUB6_FLAGS 0
-#define RS_TABLE_SIZE   64
-#else
-#define RS_TABLE_SIZE
-#endif
-
-/*
- * The following define the access methods for the HUB6 card. All
- * access is through two ports for all 24 possible chips. The card is
- * selected through the high 2 bits, the port on that card with the
- * "middle" 3 bits, and the register on that port with the bottom
- * 3 bits.
- *
- * While the access port and interrupt is configurable, the default
- * port locations are 0x302 for the port control register, and 0x303
- * for the data read/write register. Normally, the interrupt is at irq3
- * but can be anything from 3 to 7 inclusive. Note that using 3 will
- * require disabling com2.
- */
-
-#define C_P(card,port) (((card)<<6|(port)<<3) + 1)
-
 #ifdef CONFIG_MACH_JAZZ
 #include <asm/jazz.h>
 
@@ -240,66 +214,10 @@
         { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
         { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
 
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define EXTRA_SERIAL_PORT_DEFNS                 \
-        { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS },     /* ttyS4 */     \
-        { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },     /* ttyS5 */     \
-        { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },     /* ttyS6 */     \
-        { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },     /* ttyS7 */     \
-        { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },     /* ttyS8 */     \
-        { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },     /* ttyS9 */     \
-        { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },     /* ttyS10 */    \
-        { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },     /* ttyS11 */    \
-        { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },       /* ttyS12 */    \
-        { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },       /* ttyS13 */    \
-        { 0, BASE_BAUD, 0x000, 0, 0 },                  /* ttyS14 (spare) */ \
-        { 0, BASE_BAUD, 0x000, 0, 0 },                  /* ttyS15 (spare) */ \
-        { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },        /* ttyS16 */    \
-        { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },        /* ttyS17 */    \
-        { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },        /* ttyS18 */    \
-        { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },        /* ttyS19 */    \
-        { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },        /* ttyS20 */    \
-        { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },        /* ttyS21 */    \
-        { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },        /* ttyS22 */    \
-        { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },        /* ttyS23 */    \
-        { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },        /* ttyS24 */    \
-        { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },        /* ttyS25 */    \
-        { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },        /* ttyS26 */    \
-        { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },        /* ttyS27 */    \
-        { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },        /* ttyS28 */    \
-        { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },        /* ttyS29 */    \
-        { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },        /* ttyS30 */    \
-        { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },        /* ttyS31 */
-#else /* CONFIG_SERIAL_MANY_PORTS */
-#define EXTRA_SERIAL_PORT_DEFNS
-#endif /* CONFIG_SERIAL_MANY_PORTS */
-
 #else /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
 #define STD_SERIAL_PORT_DEFNS
-#define EXTRA_SERIAL_PORT_DEFNS
 #endif /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
 
-/* You can have up to four HUB6's in the system, but I've only
- * included two cards here for a total of twelve ports.
- */
-#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
-#define HUB6_SERIAL_PORT_DFNS           \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) },  /* ttyS32 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) },  /* ttyS33 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) },  /* ttyS34 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) },  /* ttyS35 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) },  /* ttyS36 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) },  /* ttyS37 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) },  /* ttyS38 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) },  /* ttyS39 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) },  /* ttyS40 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) },  /* ttyS41 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) },  /* ttyS42 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) },  /* ttyS43 */
-#else
-#define HUB6_SERIAL_PORT_DFNS
-#endif
-
 #ifdef CONFIG_MOMENCO_JAGUAR_ATX
 /* Ordinary NS16552 duart with a 20MHz crystal.  */
 #define JAGUAR_ATX_UART_CLK     20000000
@@ -427,8 +345,6 @@
         COBALT_SERIAL_PORT_DEFNS                        \
         DDB5477_SERIAL_PORT_DEFNS                       \
         EV96100_SERIAL_PORT_DEFNS                       \
-        EXTRA_SERIAL_PORT_DEFNS                         \
-        HUB6_SERIAL_PORT_DFNS                           \
         IP32_SERIAL_PORT_DEFNS                          \
         ITE_SERIAL_PORT_DEFNS                           \
         IVR_SERIAL_PORT_DEFNS                           \
diff --git a/include/asm-parisc/serial.h b/include/asm-parisc/serial.h
index 239c5dcab7e6..82fd820d684f 100644
--- a/include/asm-parisc/serial.h
+++ b/include/asm-parisc/serial.h
@@ -19,18 +19,4 @@
  * A500 w/ PCI serial cards: 5 + 4 * card ~= 17
  */
  
-#define STD_SERIAL_PORT_DEFNS                   \
-        { 0, },         /* ttyS0 */     \
-        { 0, },         /* ttyS1 */     \
-        { 0, },         /* ttyS2 */     \
-        { 0, },         /* ttyS3 */     \
-        { 0, },         /* ttyS4 */     \
-        { 0, },         /* ttyS5 */     \
-        { 0, },         /* ttyS6 */     \
-        { 0, },         /* ttyS7 */     \
-        { 0, },         /* ttyS8 */
-
-
-#define SERIAL_PORT_DFNS                \
-        STD_SERIAL_PORT_DEFNS
-
+#define SERIAL_PORT_DFNS
diff --git a/include/asm-ppc/pc_serial.h b/include/asm-ppc/pc_serial.h
index fa9cbb67ce3e..8f994f9f8857 100644
--- a/include/asm-ppc/pc_serial.h
+++ b/include/asm-ppc/pc_serial.h
@@ -35,93 +35,9 @@
 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
 #endif
 
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define FOURPORT_FLAGS ASYNC_FOURPORT
-#define ACCENT_FLAGS 0
-#define BOCA_FLAGS 0
-#define HUB6_FLAGS 0
-#endif
-        
-/*
- * The following define the access methods for the HUB6 card. All
- * access is through two ports for all 24 possible chips. The card is
- * selected through the high 2 bits, the port on that card with the
- * "middle" 3 bits, and the register on that port with the bottom
- * 3 bits.
- *
- * While the access port and interrupt is configurable, the default
- * port locations are 0x302 for the port control register, and 0x303
- * for the data read/write register. Normally, the interrupt is at irq3
- * but can be anything from 3 to 7 inclusive. Note that using 3 will
- * require disabling com2.
- */
-
-#define C_P(card,port) (((card)<<6|(port)<<3) + 1)
-
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                        \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
         { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },      /* ttyS1 */     \
         { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
         { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
-
-
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define EXTRA_SERIAL_PORT_DEFNS                 \
-        { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS },     /* ttyS4 */     \
-        { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },     /* ttyS5 */     \
-        { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },     /* ttyS6 */     \
-        { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },     /* ttyS7 */     \
-        { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },     /* ttyS8 */     \
-        { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },     /* ttyS9 */     \
-        { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },     /* ttyS10 */    \
-        { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },     /* ttyS11 */    \
-        { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },       /* ttyS12 */    \
-        { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },       /* ttyS13 */    \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS14 (spare) */            \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS15 (spare) */            \
-        { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },        /* ttyS16 */    \
-        { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },        /* ttyS17 */    \
-        { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },        /* ttyS18 */    \
-        { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },        /* ttyS19 */    \
-        { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },        /* ttyS20 */    \
-        { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },        /* ttyS21 */    \
-        { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },        /* ttyS22 */    \
-        { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },        /* ttyS23 */    \
-        { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },        /* ttyS24 */    \
-        { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },        /* ttyS25 */    \
-        { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },        /* ttyS26 */    \
-        { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },        /* ttyS27 */    \
-        { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },        /* ttyS28 */    \
-        { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },        /* ttyS29 */    \
-        { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },        /* ttyS30 */    \
-        { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },        /* ttyS31 */
-#else
-#define EXTRA_SERIAL_PORT_DEFNS
-#endif
-
-/* You can have up to four HUB6's in the system, but I've only
- * included two cards here for a total of twelve ports.
- */
-#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
-#define HUB6_SERIAL_PORT_DFNS           \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) },  /* ttyS32 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) },  /* ttyS33 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) },  /* ttyS34 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) },  /* ttyS35 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) },  /* ttyS36 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) },  /* ttyS37 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) },  /* ttyS38 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) },  /* ttyS39 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) },  /* ttyS40 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) },  /* ttyS41 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) },  /* ttyS42 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) },  /* ttyS43 */
-#else
-#define HUB6_SERIAL_PORT_DFNS
-#endif
-
-#define SERIAL_PORT_DFNS                \
-        STD_SERIAL_PORT_DEFNS           \
-        EXTRA_SERIAL_PORT_DEFNS         \
-        HUB6_SERIAL_PORT_DFNS
diff --git a/include/asm-sh/bigsur/serial.h b/include/asm-sh/bigsur/serial.h
index 540f12205923..7233af42f755 100644
--- a/include/asm-sh/bigsur/serial.h
+++ b/include/asm-sh/bigsur/serial.h
@@ -14,13 +14,10 @@
 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
 
 
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                   \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS } /* ttyS0 */ 
 
-
-#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS
-
 /* XXX: This should be moved ino irq.h */
 #define irq_cannonicalize(x) (x)
 
diff --git a/include/asm-sh/ec3104/serial.h b/include/asm-sh/ec3104/serial.h
index f8eb16312ed9..cfe4d78ec1ee 100644
--- a/include/asm-sh/ec3104/serial.h
+++ b/include/asm-sh/ec3104/serial.h
@@ -10,13 +10,11 @@
  * it's got the keyboard controller behind it so we can't really use it
  * (without moving the keyboard driver to userspace, which doesn't sound
  * like a very good idea) */
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                        \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x11C00, EC3104_IRQBASE+7, STD_COM_FLAGS }, /* ttyS0 */ \
         { 0, BASE_BAUD, 0x12000, EC3104_IRQBASE+8, STD_COM_FLAGS }, /* ttyS1 */ \
         { 0, BASE_BAUD, 0x12400, EC3104_IRQBASE+9, STD_COM_FLAGS }, /* ttyS2 */
 
-#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS
-
 /* XXX: This should be moved ino irq.h */
 #define irq_cannonicalize(x) (x)
diff --git a/include/asm-sh/serial.h b/include/asm-sh/serial.h
index 5474dbdbaa86..f51e232d5cd9 100644
--- a/include/asm-sh/serial.h
+++ b/include/asm-sh/serial.h
@@ -29,20 +29,18 @@
 #ifdef CONFIG_HD64465
 #include <asm/hd64465.h>
 
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                   \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS }  /* ttyS0 */
 
 #else
 
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                        \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
         { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }       /* ttyS1 */
 
 #endif
 
-#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS
-
 #endif
 #endif /* _ASM_SERIAL_H */
diff --git a/include/asm-sh64/serial.h b/include/asm-sh64/serial.h
index 8e39b4e90c76..29c9be15112b 100644
--- a/include/asm-sh64/serial.h
+++ b/include/asm-sh64/serial.h
@@ -20,13 +20,11 @@
 
 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
 
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                        \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
         { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }       /* ttyS1 */
 
-#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS
-
 /* XXX: This should be moved ino irq.h */
 #define irq_cannonicalize(x) (x)
 
diff --git a/include/asm-x86_64/serial.h b/include/asm-x86_64/serial.h
index dbab232044cd..dc752eafa681 100644
--- a/include/asm-x86_64/serial.h
+++ b/include/asm-x86_64/serial.h
@@ -22,109 +22,9 @@
 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
 #endif
 
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define FOURPORT_FLAGS ASYNC_FOURPORT
-#define ACCENT_FLAGS 0
-#define BOCA_FLAGS 0
-#define HUB6_FLAGS 0
-#endif
-
-#define MCA_COM_FLAGS   (STD_COM_FLAGS|ASYNC_BOOT_ONLYMCA)
-
-/*
- * The following define the access methods for the HUB6 card. All
- * access is through two ports for all 24 possible chips. The card is
- * selected through the high 2 bits, the port on that card with the
- * "middle" 3 bits, and the register on that port with the bottom
- * 3 bits.
- *
- * While the access port and interrupt is configurable, the default
- * port locations are 0x302 for the port control register, and 0x303
- * for the data read/write register. Normally, the interrupt is at irq3
- * but can be anything from 3 to 7 inclusive. Note that using 3 will
- * require disabling com2.
- */
-
-#define C_P(card,port) (((card)<<6|(port)<<3) + 1)
-
-#define STD_SERIAL_PORT_DEFNS                   \
+#define SERIAL_PORT_DFNS                        \
         /* UART CLK   PORT IRQ     FLAGS        */                      \
         { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
         { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },      /* ttyS1 */     \
         { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
         { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
-
-
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define EXTRA_SERIAL_PORT_DEFNS                 \
-        { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS },     /* ttyS4 */     \
-        { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },     /* ttyS5 */     \
-        { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },     /* ttyS6 */     \
-        { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },     /* ttyS7 */     \
-        { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },     /* ttyS8 */     \
-        { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },     /* ttyS9 */     \
-        { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },     /* ttyS10 */    \
-        { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },     /* ttyS11 */    \
-        { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },       /* ttyS12 */    \
-        { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },       /* ttyS13 */    \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS14 (spare) */            \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS15 (spare) */            \
-        { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },        /* ttyS16 */    \
-        { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },        /* ttyS17 */    \
-        { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },        /* ttyS18 */    \
-        { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },        /* ttyS19 */    \
-        { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },        /* ttyS20 */    \
-        { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },        /* ttyS21 */    \
-        { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },        /* ttyS22 */    \
-        { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },        /* ttyS23 */    \
-        { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },        /* ttyS24 */    \
-        { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },        /* ttyS25 */    \
-        { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },        /* ttyS26 */    \
-        { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },        /* ttyS27 */    \
-        { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },        /* ttyS28 */    \
-        { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },        /* ttyS29 */    \
-        { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },        /* ttyS30 */    \
-        { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },        /* ttyS31 */
-#else
-#define EXTRA_SERIAL_PORT_DEFNS
-#endif
-
-/* You can have up to four HUB6's in the system, but I've only
- * included two cards here for a total of twelve ports.
- */
-#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
-#define HUB6_SERIAL_PORT_DFNS           \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) },  /* ttyS32 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) },  /* ttyS33 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) },  /* ttyS34 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) },  /* ttyS35 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) },  /* ttyS36 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) },  /* ttyS37 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) },  /* ttyS38 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) },  /* ttyS39 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) },  /* ttyS40 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) },  /* ttyS41 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) },  /* ttyS42 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) },  /* ttyS43 */
-#else
-#define HUB6_SERIAL_PORT_DFNS
-#endif
-
-#ifdef CONFIG_MCA
-#define MCA_SERIAL_PORT_DFNS                    \
-        { 0, BASE_BAUD, 0x3220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x3228, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x4220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x4228, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x5220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x5228, 3, MCA_COM_FLAGS },
-#else
-#define MCA_SERIAL_PORT_DFNS
-#endif
-
-#define SERIAL_PORT_DFNS                \
-        STD_SERIAL_PORT_DEFNS           \
-        EXTRA_SERIAL_PORT_DEFNS         \
-        HUB6_SERIAL_PORT_DFNS           \
-        MCA_SERIAL_PORT_DFNS
-