Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-serial

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-serial: (21 commits)
  [SERIAL] add PNP IDs for FPI based touchscreens
  [SERIAL] Magic SysRq SAK does nothing on serial consoles
  [SERIAL] tickle NMI watchdog on serial output.
  [SERIAL] Fix oops when removing suspended serial port
  [SERIAL] Fix resume handling bug
  [SERIAL] Remove wrong asm/serial.h inclusions
  [SERIAL] CONFIG_PM=n slim: drivers/serial/8250_pci.c
  [SERIAL] OMAP1510 serial fix for 115200 baud
  [SERIAL] returning proper error from serial core driver
  [SERIAL] Make uart_line_info() correctly tell MMIO from I/O port
  [SERIAL] suspend/resume handlers don't have level arg anymore
  [SERIAL] 8250 resourse management fixes
  [SERIAL] serial_cs: Add quirk for brainboxes 2-port RS232 card
  [SERIAL] serial_cs: handle Nokia multi->single port bodge via config quirk
  [SERIAL] serial_cs: add configuration quirk
  [SERIAL] serial_cs: Convert Oxford 950 / Possio GCC wakeup quirk
  [SERIAL] serial_cs: convert IBM post-init handling to a quirk
  [SERIAL] serial_cs: allow wildcarded quirks
  [SERIAL] serial_cs: convert multi-port table to quirk table
  [SERIAL] serial_cs: Use clean up multiport card detection
  ...

14 files changed, 270 insertions, 108 deletions

diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index d96a57e5f030..a8c61dac1cee 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -31,7 +31,6 @@
 #include <linux/serial_reg.h>
 
 #include <asm/setup.h>
-#include <asm/serial.h>
 #include <asm/irq.h>
 #include <asm/sections.h>
 #include <asm/pgalloc.h>
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 84f93c0f2c66..c4caa8003492 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -54,7 +54,6 @@
 #include <asm/processor.h>
 #include <asm/sal.h>
 #include <asm/sections.h>
-#include <asm/serial.h>
 #include <asm/setup.h>
 #include <asm/smp.h>
 #include <asm/system.h>
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
index c01a0170e590..0b347cffc768 100644
--- a/arch/mips/cobalt/setup.c
+++ b/arch/mips/cobalt/setup.c
@@ -23,7 +23,6 @@
 #include <asm/processor.h>
 #include <asm/reboot.h>
 #include <asm/gt64120.h>
-#include <asm/serial.h>
 
 #include <asm/mach-cobalt/cobalt.h>
 
diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c
index 0ffc43c600d9..14c55168f1ff 100644
--- a/arch/mips/lasat/setup.c
+++ b/arch/mips/lasat/setup.c
@@ -34,7 +34,6 @@
 #include <asm/cpu.h>
 #include <asm/bootinfo.h>
 #include <asm/irq.h>
-#include <asm/serial.h>
 #include <asm/lasat/lasat.h>
 #include <asm/lasat/serial.h>
 
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index dd845cbefe94..d1ecb2c6de98 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -57,7 +57,6 @@
 #include <linux/netdevice.h>
 #include <linux/vmalloc.h>
 #include <linux/init.h>
-#include <asm/serial.h>
 #include <linux/delay.h>
 #include <linux/ioctl.h>
 
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 244dc308c770..38d94987de83 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -87,7 +87,6 @@
 
 #include <linux/vmalloc.h>
 #include <linux/init.h>
-#include <asm/serial.h>
 
 #include <linux/delay.h>
 #include <linux/ioctl.h>
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 10c2daab99ac..cc2a205d4230 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1896,6 +1896,17 @@ serial8250_set_termios(struct uart_port *port, struct termios *termios,
                 serial_outp(up, UART_EFR, efr);
         }
 
+#ifdef CONFIG_ARCH_OMAP15XX
+        /* Workaround to enable 115200 baud on OMAP1510 internal ports */
+        if (cpu_is_omap1510() && is_omap_port((unsigned int)up->port.membase)) {
+                if (baud == 115200) {
+                        quot = 1;
+                        serial_out(up, UART_OMAP_OSC_12M_SEL, 1);
+                } else
+                        serial_out(up, UART_OMAP_OSC_12M_SEL, 0);
+        }
+#endif
+
         if (up->capabilities & UART_NATSEMI) {
                 /* Switch to bank 2 not bank 1, to avoid resetting EXCR2 */
                 serial_outp(up, UART_LCR, 0xe0);
@@ -1949,6 +1960,8 @@ static int serial8250_request_std_resource(struct uart_8250_port *up)
         case UPIO_AU:
                 size = 0x100000;
                 /* fall thru */
+        case UPIO_TSI:
+        case UPIO_MEM32:
         case UPIO_MEM:
                 if (!up->port.mapbase)
                         break;
@@ -1984,6 +1997,8 @@ static void serial8250_release_std_resource(struct uart_8250_port *up)
         case UPIO_AU:
                 size = 0x100000;
                 /* fall thru */
+        case UPIO_TSI:
+        case UPIO_MEM32:
         case UPIO_MEM:
                 if (!up->port.mapbase)
                         break;
@@ -2007,17 +2022,15 @@ static int serial8250_request_rsa_resource(struct uart_8250_port *up)
 {
         unsigned long start = UART_RSA_BASE << up->port.regshift;
         unsigned int size = 8 << up->port.regshift;
-        int ret = 0;
+        int ret = -EINVAL;
 
         switch (up->port.iotype) {
-        case UPIO_MEM:
-                ret = -EINVAL;
-                break;
-
         case UPIO_HUB6:
         case UPIO_PORT:
                 start += up->port.iobase;
-                if (!request_region(start, size, "serial-rsa"))
+                if (request_region(start, size, "serial-rsa"))
+                        ret = 0;
+                else
                         ret = -EBUSY;
                 break;
         }
@@ -2031,9 +2044,6 @@ static void serial8250_release_rsa_resource(struct uart_8250_port *up)
         unsigned int size = 8 << up->port.regshift;
 
         switch (up->port.iotype) {
-        case UPIO_MEM:
-                break;
-
         case UPIO_HUB6:
         case UPIO_PORT:
                 release_region(up->port.iobase + offset, size);
@@ -2222,9 +2232,10 @@ static inline void wait_for_xmitr(struct uart_8250_port *up, int bits)
         /* Wait up to 1s for flow control if necessary */
         if (up->port.flags & UPF_CONS_FLOW) {
                 tmout = 1000000;
-                while (--tmout &&
-                       ((serial_in(up, UART_MSR) & UART_MSR_CTS) == 0))
+                while (!(serial_in(up, UART_MSR) & UART_MSR_CTS) && --tmout) {
                         udelay(1);
+                        touch_nmi_watchdog();
+                }
         }
 }
 
@@ -2397,7 +2408,6 @@ int __init early_serial_setup(struct uart_port *port)
 /**
  *      serial8250_suspend_port - suspend one serial port
  *      @line:  serial line number
- *      @level: the level of port suspension, as per uart_suspend_port
  *
  *      Suspend one serial port.
  */
@@ -2409,7 +2419,6 @@ void serial8250_suspend_port(int line)
 /**
  *      serial8250_resume_port - resume one serial port
  *      @line:  serial line number
- *      @level: the level of port resumption, as per uart_resume_port
  *
  *      Resume one serial port.
  */
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 851e4839d6d9..4d0ff8f4a01b 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -1789,6 +1789,7 @@ static void __devexit pciserial_remove_one(struct pci_dev *dev)
         pci_disable_device(dev);
 }
 
+#ifdef CONFIG_PM
 static int pciserial_suspend_one(struct pci_dev *dev, pm_message_t state)
 {
         struct serial_private *priv = pci_get_drvdata(dev);
@@ -1818,6 +1819,7 @@ static int pciserial_resume_one(struct pci_dev *dev)
         }
         return 0;
 }
+#endif
 
 static struct pci_device_id serial_pci_tbl[] = {
         {       PCI_VENDOR_ID_V3, PCI_DEVICE_ID_V3_V960,
@@ -2375,8 +2377,10 @@ static struct pci_driver serial_pci_driver = {
         .name           = "serial",
         .probe          = pciserial_init_one,
         .remove         = __devexit_p(pciserial_remove_one),
+#ifdef CONFIG_PM
         .suspend        = pciserial_suspend_one,
         .resume         = pciserial_resume_one,
+#endif
         .id_table       = serial_pci_tbl,
 };
 
diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index 632f62d6ec7e..71d907c8288b 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -327,6 +327,19 @@ static const struct pnp_device_id pnp_dev_table[] = {
         {       "WACF004",              0       },
         {       "WACF005",              0       },
         {       "WACF006",              0       },
+        /* Compaq touchscreen */
+        {       "FPI2002",              0 },
+        /* Fujitsu Stylistic touchscreens */
+        {       "FUJ02B2",              0 },
+        {       "FUJ02B3",              0 },
+        /* Fujitsu Stylistic LT touchscreens */
+        {       "FUJ02B4",              0 },
+        /* Passive Fujitsu Stylistic touchscreens */
+        {       "FUJ02B6",              0 },
+        {       "FUJ02B7",              0 },
+        {       "FUJ02B8",              0 },
+        {       "FUJ02B9",              0 },
+        {       "FUJ02BC",              0 },
         /* Rockwell's (PORALiNK) 33600 INT PNP */
         {       "WCI0003",              0       },
         /* Unkown PnP modems */
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index e7fe4bb46eca..28c9ce6f0bdc 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -76,7 +76,7 @@
  */
 #define is_real_interrupt(irq)  ((irq) != 0)
 
-#include <asm/serial.h>
+#define BASE_BAUD       115200
 
 /* Standard COM flags */
 #define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST)
@@ -86,7 +86,6 @@
  * standard enumeration mechanism.   Platforms that can find all
  * serial ports via mechanisms like ACPI or PCI need not supply it.
  */
-#undef SERIAL_PORT_DFNS
 #if defined(CONFIG_PLAT_USRV)
 
 #define SERIAL_PORT_DFNS                                                \
@@ -109,7 +108,7 @@
 #endif /* !CONFIG_PLAT_USRV */
 
 static struct old_serial_port old_serial_port[] = {
-        SERIAL_PORT_DFNS        /* defined in asm/serial.h */
+        SERIAL_PORT_DFNS
 };
 
 #define UART_NR ARRAY_SIZE(old_serial_port)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index de5e8930a6fd..c67b05e9a451 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -792,6 +792,7 @@ static int uart_set_info(struct uart_state *state,
                          * We failed anyway.
                          */
                         retval = -EBUSY;
+                        goto exit;  // Added to return the correct error -Ram Gupta
                 }
         }
 
@@ -1662,16 +1663,16 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
         struct uart_port *port = state->port;
         char stat_buf[32];
         unsigned int status;
-        int ret;
+        int mmio, ret;
 
         if (!port)
                 return 0;
 
+        mmio = port->iotype >= UPIO_MEM;
         ret = sprintf(buf, "%d: uart:%s %s%08lX irq:%d",
                         port->line, uart_type(port),
-                        port->iotype == UPIO_MEM ? "mmio:0x" : "port:",
-                        port->iotype == UPIO_MEM ? port->mapbase :
-                                                (unsigned long) port->iobase,
+                        mmio ? "mmio:0x" : "port:",
+                        mmio ? port->mapbase : (unsigned long) port->iobase,
                         port->irq);
 
         if (port->type == PORT_UNKNOWN) {
@@ -1939,6 +1940,9 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
         if (state->info && state->info->flags & UIF_INITIALIZED) {
                 const struct uart_ops *ops = port->ops;
 
+                state->info->flags = (state->info->flags & ~UIF_INITIALIZED)
+                                     | UIF_SUSPENDED;
+
                 spin_lock_irq(&port->lock);
                 ops->stop_tx(port);
                 ops->set_mctrl(port, 0);
@@ -2005,7 +2009,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
                 console_start(port->cons);
         }
 
-        if (state->info && state->info->flags & UIF_INITIALIZED) {
+        if (state->info && state->info->flags & UIF_SUSPENDED) {
                 const struct uart_ops *ops = port->ops;
                 int ret;
 
@@ -2017,15 +2021,17 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
                         ops->set_mctrl(port, port->mctrl);
                         ops->start_tx(port);
                         spin_unlock_irq(&port->lock);
+                        state->info->flags |= UIF_INITIALIZED;
                 } else {
                         /*
                          * Failed to resume - maybe hardware went away?
                          * Clear the "initialized" flag so we won't try
                          * to call the low level drivers shutdown method.
                          */
-                        state->info->flags &= ~UIF_INITIALIZED;
                         uart_shutdown(state);
                 }
+
+                state->info->flags &= ~UIF_SUSPENDED;
         }
 
         mutex_unlock(&state->mutex);
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index cbf260bc225d..00f9ffd69489 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -80,23 +80,16 @@ module_param(buggy_uart, int, 0444);
 
 /* Table of multi-port card ID's */
 
-struct multi_id {
-        u_short manfid;
-        u_short prodid;
+struct serial_quirk {
+        unsigned int manfid;
+        unsigned int prodid;
         int multi;              /* 1 = multifunction, > 1 = # ports */
+        void (*config)(struct pcmcia_device *);
+        void (*setup)(struct pcmcia_device *, struct uart_port *);
+        void (*wakeup)(struct pcmcia_device *);
+        int (*post)(struct pcmcia_device *);
 };
 
-static const struct multi_id multi_id[] = {
-        { MANFID_OMEGA,   PRODID_OMEGA_QSP_100,         4 },
-        { MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232,    2 },
-        { MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232_D1, 2 },
-        { MANFID_QUATECH, PRODID_QUATECH_QUAD_RS232,    4 },
-        { MANFID_SOCKET,  PRODID_SOCKET_DUAL_RS232,     2 },
-        { MANFID_INTEL,   PRODID_INTEL_DUAL_RS232,      2 },
-        { MANFID_NATINST, PRODID_NATINST_QUAD_RS232,    4 }
-};
-#define MULTI_COUNT (sizeof(multi_id)/sizeof(struct multi_id))
-
 struct serial_info {
         struct pcmcia_device    *p_dev;
         int                     ndev;
@@ -107,6 +100,7 @@ struct serial_info {
         int                     c950ctrl;
         dev_node_t              node[4];
         int                     line[4];
+        const struct serial_quirk *quirk;
 };
 
 struct serial_cfg_mem {
@@ -115,37 +109,165 @@ struct serial_cfg_mem {
         u_char buf[256];
 };
 
+/*
+ * vers_1 5.0, "Brain Boxes", "2-Port RS232 card", "r6"
+ * manfid 0x0160, 0x0104
+ * This card appears to have a 14.7456MHz clock.
+ */
+static void quirk_setup_brainboxes_0104(struct pcmcia_device *link, struct uart_port *port)
+{
+        port->uartclk = 14745600;
+}
 
-static int serial_config(struct pcmcia_device * link);
+static int quirk_post_ibm(struct pcmcia_device *link)
+{
+        conf_reg_t reg = { 0, CS_READ, 0x800, 0 };
+        int last_ret, last_fn;
 
+        last_ret = pcmcia_access_configuration_register(link, &reg);
+        if (last_ret) {
+                last_fn = AccessConfigurationRegister;
+                goto cs_failed;
+        }
+        reg.Action = CS_WRITE;
+        reg.Value = reg.Value | 1;
+        last_ret = pcmcia_access_configuration_register(link, &reg);
+        if (last_ret) {
+                last_fn = AccessConfigurationRegister;
+                goto cs_failed;
+        }
+        return 0;
 
-static void wakeup_card(struct serial_info *info)
+ cs_failed:
+        cs_error(link, last_fn, last_ret);
+        return -ENODEV;
+}
+
+/*
+ * Nokia cards are not really multiport cards.  Shouldn't this
+ * be handled by setting the quirk entry .multi = 0 | 1 ?
+ */
+static void quirk_config_nokia(struct pcmcia_device *link)
 {
-        int ctrl = info->c950ctrl;
-
-        if (info->manfid == MANFID_OXSEMI) {
-                outb(12, ctrl + 1);
-        } else if (info->manfid == MANFID_POSSIO && info->prodid == PRODID_POSSIO_GCC) {
-                /* request_region? oxsemi branch does no request_region too... */
-                /* This sequence is needed to properly initialize MC45 attached to OXCF950.
-                 * I tried decreasing these msleep()s, but it worked properly (survived
-                 * 1000 stop/start operations) with these timeouts (or bigger). */
-                outb(0xA, ctrl + 1);
-                msleep(100);
-                outb(0xE, ctrl + 1);
-                msleep(300);
-                outb(0xC, ctrl + 1);
-                msleep(100);
-                outb(0xE, ctrl + 1);
-                msleep(200);
-                outb(0xF, ctrl + 1);
-                msleep(100);
-                outb(0xE, ctrl + 1);
-                msleep(100);
-                outb(0xC, ctrl + 1);
+        struct serial_info *info = link->priv;
+
+        if (info->multi > 1)
+                info->multi = 1;
+}
+
+static void quirk_wakeup_oxsemi(struct pcmcia_device *link)
+{
+        struct serial_info *info = link->priv;
+
+        outb(12, info->c950ctrl + 1);
+}
+
+/* request_region? oxsemi branch does no request_region too... */
+/*
+ * This sequence is needed to properly initialize MC45 attached to OXCF950.
+ * I tried decreasing these msleep()s, but it worked properly (survived
+ * 1000 stop/start operations) with these timeouts (or bigger).
+ */
+static void quirk_wakeup_possio_gcc(struct pcmcia_device *link)
+{
+        struct serial_info *info = link->priv;
+        unsigned int ctrl = info->c950ctrl;
+
+        outb(0xA, ctrl + 1);
+        msleep(100);
+        outb(0xE, ctrl + 1);
+        msleep(300);
+        outb(0xC, ctrl + 1);
+        msleep(100);
+        outb(0xE, ctrl + 1);
+        msleep(200);
+        outb(0xF, ctrl + 1);
+        msleep(100);
+        outb(0xE, ctrl + 1);
+        msleep(100);
+        outb(0xC, ctrl + 1);
+}
+
+/*
+ * Socket Dual IO: this enables irq's for second port
+ */
+static void quirk_config_socket(struct pcmcia_device *link)
+{
+        struct serial_info *info = link->priv;
+
+        if (info->multi) {
+                link->conf.Present |= PRESENT_EXT_STATUS;
+                link->conf.ExtStatus = ESR_REQ_ATTN_ENA;
         }
 }
 
+static const struct serial_quirk quirks[] = {
+        {
+                .manfid = 0x0160,
+                .prodid = 0x0104,
+                .multi  = -1,
+                .setup  = quirk_setup_brainboxes_0104,
+        }, {
+                .manfid = MANFID_IBM,
+                .prodid = ~0,
+                .multi  = -1,
+                .post   = quirk_post_ibm,
+        }, {
+                .manfid = MANFID_INTEL,
+                .prodid = PRODID_INTEL_DUAL_RS232,
+                .multi  = 2,
+        }, {
+                .manfid = MANFID_NATINST,
+                .prodid = PRODID_NATINST_QUAD_RS232,
+                .multi  = 4,
+        }, {
+                .manfid = MANFID_NOKIA,
+                .prodid = ~0,
+                .multi  = -1,
+                .config = quirk_config_nokia,
+        }, {
+                .manfid = MANFID_OMEGA,
+                .prodid = PRODID_OMEGA_QSP_100,
+                .multi  = 4,
+        }, {
+                .manfid = MANFID_OXSEMI,
+                .prodid = ~0,
+                .multi  = -1,
+                .wakeup = quirk_wakeup_oxsemi,
+        }, {
+                .manfid = MANFID_POSSIO,
+                .prodid = PRODID_POSSIO_GCC,
+                .multi  = -1,
+                .wakeup = quirk_wakeup_possio_gcc,
+        }, {
+                .manfid = MANFID_QUATECH,
+                .prodid = PRODID_QUATECH_DUAL_RS232,
+                .multi  = 2,
+        }, {
+                .manfid = MANFID_QUATECH,
+                .prodid = PRODID_QUATECH_DUAL_RS232_D1,
+                .multi  = 2,
+        }, {
+                .manfid = MANFID_QUATECH,
+                .prodid = PRODID_QUATECH_QUAD_RS232,
+                .multi  = 4,
+        }, {
+                .manfid = MANFID_SOCKET,
+                .prodid = PRODID_SOCKET_DUAL_RS232,
+                .multi  = 2,
+                .config = quirk_config_socket,
+        }, {
+                .manfid = MANFID_SOCKET,
+                .prodid = ~0,
+                .multi  = -1,
+                .config = quirk_config_socket,
+        }
+};
+
+
+static int serial_config(struct pcmcia_device * link);
+
+
 /*======================================================================
 
     After a card is removed, serial_remove() will unregister
@@ -185,14 +307,14 @@ static int serial_suspend(struct pcmcia_device *link)
 
 static int serial_resume(struct pcmcia_device *link)
 {
-        if (pcmcia_dev_present(link)) {
-                struct serial_info *info = link->priv;
-                int i;
+        struct serial_info *info = link->priv;
+        int i;
 
-                for (i = 0; i < info->ndev; i++)
-                        serial8250_resume_port(info->line[i]);
-                wakeup_card(info);
-        }
+        for (i = 0; i < info->ndev; i++)
+                serial8250_resume_port(info->line[i]);
+
+        if (info->quirk && info->quirk->wakeup)
+                info->quirk->wakeup(link);
 
         return 0;
 }
@@ -278,6 +400,10 @@ static int setup_serial(struct pcmcia_device *handle, struct serial_info * info,
         port.dev = &handle_to_dev(handle);
         if (buggy_uart)
                 port.flags |= UPF_BUGGY_UART;
+
+        if (info->quirk && info->quirk->setup)
+                info->quirk->setup(handle, &port);
+
         line = serial8250_register_port(&port);
         if (line < 0) {
                 printk(KERN_NOTICE "serial_cs: serial8250_register_port() at "
@@ -433,6 +559,13 @@ next_entry:
         }
         if (info->multi && (info->manfid == MANFID_3COM))
                 link->conf.ConfigIndex &= ~(0x08);
+
+        /*
+         * Apply any configuration quirks.
+         */
+        if (info->quirk && info->quirk->config)
+                info->quirk->config(link);
+
         i = pcmcia_request_configuration(link, &link->conf);
         if (i != CS_SUCCESS) {
                 cs_error(link, RequestConfiguration, i);
@@ -521,11 +654,13 @@ static int multi_config(struct pcmcia_device * link)
                 cs_error(link, RequestIRQ, i);
                 link->irq.AssignedIRQ = 0;
         }
-        /* Socket Dual IO: this enables irq's for second port */
-        if (info->multi && (info->manfid == MANFID_SOCKET)) {
-                link->conf.Present |= PRESENT_EXT_STATUS;
-                link->conf.ExtStatus = ESR_REQ_ATTN_ENA;
-        }
+
+        /*
+         * Apply any configuration quirks.
+         */
+        if (info->quirk && info->quirk->config)
+                info->quirk->config(link);
+
         i = pcmcia_request_configuration(link, &link->conf);
         if (i != CS_SUCCESS) {
                 cs_error(link, RequestConfiguration, i);
@@ -550,17 +685,19 @@ static int multi_config(struct pcmcia_device * link)
                                         link->irq.AssignedIRQ);
                 }
                 info->c950ctrl = base2;
-                wakeup_card(info);
+
+                /*
+                 * FIXME: We really should wake up the port prior to
+                 * handing it over to the serial layer.
+                 */
+                if (info->quirk && info->quirk->wakeup)
+                        info->quirk->wakeup(link);
+
                 rc = 0;
                 goto free_cfg_mem;
         }
 
         setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ);
-        /* The Nokia cards are not really multiport cards */
-        if (info->manfid == MANFID_NOKIA) {
-                rc = 0;
-                goto free_cfg_mem;
-        }
         for (i = 0; i < info->multi - 1; i++)
                 setup_serial(link, info, base2 + (8 * i),
                                 link->irq.AssignedIRQ);
@@ -622,13 +759,16 @@ static int serial_config(struct pcmcia_device * link)
         tuple->DesiredTuple = CISTPL_MANFID;
         if (first_tuple(link, tuple, parse) == CS_SUCCESS) {
                 info->manfid = parse->manfid.manf;
-                info->prodid = le16_to_cpu(buf[1]);
-                for (i = 0; i < MULTI_COUNT; i++)
-                        if ((info->manfid == multi_id[i].manfid) &&
-                            (parse->manfid.card == multi_id[i].prodid))
+                info->prodid = parse->manfid.card;
+
+                for (i = 0; i < ARRAY_SIZE(quirks); i++)
+                        if ((quirks[i].manfid == ~0 ||
+                             quirks[i].manfid == info->manfid) &&
+                            (quirks[i].prodid == ~0 ||
+                             quirks[i].prodid == info->prodid)) {
+                                info->quirk = &quirks[i];
                                 break;
-                if (i < MULTI_COUNT)
-                        info->multi = multi_id[i].multi;
+                        }
         }
 
         /* Another check for dual-serial cards: look for either serial or
@@ -648,6 +788,12 @@ static int serial_config(struct pcmcia_device * link)
                 }
         }
 
+        /*
+         * Apply any multi-port quirk.
+         */
+        if (info->quirk && info->quirk->multi != -1)
+                info->multi = info->quirk->multi;
+
         if (info->multi > 1)
                 multi_config(link);
         else
@@ -656,21 +802,13 @@ static int serial_config(struct pcmcia_device * link)
         if (info->ndev == 0)
                 goto failed;
 
-        if (info->manfid == MANFID_IBM) {
-                conf_reg_t reg = { 0, CS_READ, 0x800, 0 };
-                last_ret = pcmcia_access_configuration_register(link, &reg);
-                if (last_ret) {
-                        last_fn = AccessConfigurationRegister;
-                        goto cs_failed;
-                }
-                reg.Action = CS_WRITE;
-                reg.Value = reg.Value | 1;
-                last_ret = pcmcia_access_configuration_register(link, &reg);
-                if (last_ret) {
-                        last_fn = AccessConfigurationRegister;
-                        goto cs_failed;
-                }
-        }
+        /*
+         * Apply any post-init quirk.  FIXME: This should really happen
+         * before we register the port, since it might already be in use.
+         */
+        if (info->quirk && info->quirk->post)
+                if (info->quirk->post(link))
+                        goto failed;
 
         link->dev_node = &info->node[0];
         kfree(cfg_mem);
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index b361669f85a1..ebd8d2bb17fd 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -990,7 +990,6 @@ int __init early_serial_txx9_setup(struct uart_port *port)
 /**
  *      serial_txx9_suspend_port - suspend one serial port
  *      @line:  serial line number
- *      @level: the level of port suspension, as per uart_suspend_port
  *
  *      Suspend one serial port.
  */
@@ -1002,7 +1001,6 @@ static void serial_txx9_suspend_port(int line)
 /**
  *      serial_txx9_resume_port - resume one serial port
  *      @line:  serial line number
- *      @level: the level of port resumption, as per uart_resume_port
  *
  *      Resume one serial port.
  */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 86501a3de2ac..de2e68159d96 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -319,6 +319,7 @@ struct uart_info {
 #define UIF_CTS_FLOW            ((__force uif_t) (1 << 26))
 #define UIF_NORMAL_ACTIVE       ((__force uif_t) (1 << 29))
 #define UIF_INITIALIZED         ((__force uif_t) (1 << 31))
+#define UIF_SUSPENDED           ((__force uif_t) (1 << 30))
 
         int                     blocked_open;
 
@@ -414,7 +415,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch,
 #ifdef SUPPORT_SYSRQ
         if (port->sysrq) {
                 if (ch && time_before(jiffies, port->sysrq)) {
-                        handle_sysrq(ch, regs, NULL);
+                        handle_sysrq(ch, regs, port->info->tty);
                         port->sysrq = 0;
                         return 1;
                 }