12 files changed, 114 insertions, 19 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 1889a63ebc22..b4b39811b445 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2083,6 +2083,20 @@ static int serial8250_startup(struct uart_port *port)
        serial8250_set_mctrl(&up->port, up->port.mctrl);
+        /* Serial over Lan (SoL) hack:
+           Intel 8257x Gigabit ethernet chips have a
+           16550 emulation, to be used for Serial Over Lan.
+           Those chips take a longer time than a normal
+           serial device to signalize that a transmission
+           data was queued. Due to that, the above test generally
+           fails. One solution would be to delay the reading of
+           iir. However, this is not reliable, since the timeout
+           is variable. So, let's just don't test if we receive
+           TX irq. This way, we'll never enable UART_BUG_TXEN.
+         */
+        if (up->port.flags & UPF_NO_TXEN_TEST)
+                goto dont_test_tx_en;
        /*
         * Do a quick test to see if we receive an
         * interrupt when we enable the TX irq.
@@ -2102,6 +2116,7 @@ static int serial8250_startup(struct uart_port *port)
                up->bugs &= ~UART_BUG_TXEN;
        }
+dont_test_tx_en:
        spin_unlock_irqrestore(&up->port.lock, flags);
        /*
@@ -2839,6 +2854,8 @@ int __init early_serial_setup(struct uart_port *port)
        p->flags        = port->flags;
        p->mapbase      = port->mapbase;
        p->private_data = port->private_data;
+        p->type         = port->type;
+        p->line         = port->line;
        set_io_from_upio(p);
        if (port->serial_in)
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index c088146b7513..533f82025adf 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -602,6 +602,10 @@ static int pci_netmos_init(struct pci_dev *dev)
        /* subdevice 0x00PS means <P> parallel, <S> serial */
        unsigned int num_serial = dev->subsystem_device & 0xf;
+        if (dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
+                        dev->subsystem_device == 0x0299)
+                return 0;
        if (num_serial == 0)
                return -ENODEV;
        return num_serial;
@@ -794,6 +798,21 @@ pci_default_setup(struct serial_private *priv,
        return setup_port(priv, port, bar, offset, board->reg_shift);
 }
+static int skip_tx_en_setup(struct serial_private *priv,
+                        const struct pciserial_board *board,
+                        struct uart_port *port, int idx)
+{
+        port->flags |= UPF_NO_TXEN_TEST;
+        printk(KERN_DEBUG "serial8250: skipping TxEn test for device "
+                          "[%04x:%04x] subsystem [%04x:%04x]\n",
+                          priv->dev->vendor,
+                          priv->dev->device,
+                          priv->dev->subsystem_vendor,
+                          priv->dev->subsystem_device);
+        return pci_default_setup(priv, board, port, idx);
+}
 /* This should be in linux/pci_ids.h */
 #define PCI_VENDOR_ID_SBSMODULARIO      0x124B
 #define PCI_SUBVENDOR_ID_SBSMODULARIO   0x124B
@@ -802,6 +821,8 @@ pci_default_setup(struct serial_private *priv,
 #define PCI_SUBDEVICE_ID_OCTPRO422      0x0208
 #define PCI_SUBDEVICE_ID_POCTAL232      0x0308
 #define PCI_SUBDEVICE_ID_POCTAL422      0x0408
+#define PCI_VENDOR_ID_ADVANTECH         0x13fe
+#define PCI_DEVICE_ID_ADVANTECH_PCI3620 0x3620
 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */
 #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584
@@ -858,6 +879,27 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
                .init           = pci_inteli960ni_init,
                .setup          = pci_default_setup,
        },
+        {
+                .vendor         = PCI_VENDOR_ID_INTEL,
+                .device         = PCI_DEVICE_ID_INTEL_8257X_SOL,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .setup          = skip_tx_en_setup,
+        },
+        {
+                .vendor         = PCI_VENDOR_ID_INTEL,
+                .device         = PCI_DEVICE_ID_INTEL_82573L_SOL,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .setup          = skip_tx_en_setup,
+        },
+        {
+                .vendor         = PCI_VENDOR_ID_INTEL,
+                .device         = PCI_DEVICE_ID_INTEL_82573E_SOL,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .setup          = skip_tx_en_setup,
+        },
        /*
         * ITE
         */
@@ -2148,6 +2190,10 @@ static int pciserial_resume_one(struct pci_dev *dev)
 #endif
 static struct pci_device_id serial_pci_tbl[] = {
+        /* Advantech use PCI_DEVICE_ID_ADVANTECH_PCI3620 (0x3620) as 'PCI_SUBVENDOR_ID' */
+        {       PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI3620,
+                PCI_DEVICE_ID_ADVANTECH_PCI3620, 0x0001, 0, 0,
+                pbn_b2_8_921600 },
        {       PCI_VENDOR_ID_V3, PCI_DEVICE_ID_V3_V960,
                PCI_SUBVENDOR_ID_CONNECT_TECH,
                PCI_SUBDEVICE_ID_CONNECT_TECH_BH8_232, 0, 0,
@@ -3096,6 +3142,10 @@ static struct pci_device_id serial_pci_tbl[] = {
                0,
                pbn_b0_8_115200 },
+        {       PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
+                PCI_VENDOR_ID_IBM, 0x0299,
+                0, 0, pbn_b0_bt_2_115200 },
        /*
         * These entries match devices with class COMMUNICATION_SERIAL,
         * COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL
diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index fde7f9ccf57e..bbcfc26a3b6d 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -270,6 +270,8 @@ static const struct pnp_device_id pnp_dev_table[] = {
        {       "RSS0250",              0       },
        /* SupraExpress 28.8 Data/Fax PnP modem */
        {       "SUP1310",              0       },
+        /* SupraExpress 336i PnP Voice Modem */
+        {       "SUP1381",              0       },
        /* SupraExpress 33.6 Data/Fax PnP modem */
        {       "SUP1421",              0       },
        /* SupraExpress 33.6 Data/Fax PnP modem */
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 3e525e38a5d9..7d7f576da202 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -982,7 +982,7 @@ config SERIAL_SH_SCI_CONSOLE
 config SERIAL_PNX8XXX
        bool "Enable PNX8XXX SoCs' UART Support"
-        depends on MIPS && SOC_PNX8550
+        depends on MIPS && (SOC_PNX8550 || SOC_PNX833X)
        select SERIAL_CORE
        help
          If you have a MIPS-based Philips SoC such as PNX8550 or PNX8330
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index d5efd6c77904..8f58f7ff0dd7 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -579,7 +579,7 @@ static void atmel_tx_dma(struct uart_port *port)
        /* disable PDC transmit */
        UART_PUT_PTCR(port, ATMEL_PDC_TXTDIS);
-        if (!uart_circ_empty(xmit)) {
+        if (!uart_circ_empty(xmit) && !uart_tx_stopped(port)) {
                dma_sync_single_for_device(port->dev,
                                           pdc->dma_addr,
                                           pdc->dma_size,
@@ -877,6 +877,10 @@ static int atmel_startup(struct uart_port *port)
                }
        }
+        /* Save current CSR for comparison in atmel_tasklet_func() */
+        atmel_port->irq_status_prev = UART_GET_CSR(port);
+        atmel_port->irq_status = atmel_port->irq_status_prev;
        /*
         * Finally, enable the serial port
         */
diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index 338cf8a08b43..ac79cbe4c2cf 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -84,6 +84,8 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
        brd->pci_dev = pdev;
        if (pdev->device == PCIE_DEVICE_ID_NEO_4_IBM)
                brd->maxports = 4;
+        else if (pdev->device == PCI_DEVICE_ID_DIGI_NEO_8)
+                brd->maxports = 8;
        else
                brd->maxports = 2;
@@ -180,7 +182,7 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
        return rc;
 }
-static void jsm_remove_one(struct pci_dev *pdev)
+static void __devexit jsm_remove_one(struct pci_dev *pdev)
 {
        struct jsm_board *brd = pci_get_drvdata(pdev);
        int i = 0;
@@ -212,6 +214,7 @@ static struct pci_device_id jsm_pci_tbl[] = {
        { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45), 0, 0, 2 },
        { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45PRI), 0, 0, 3 },
        { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCIE_DEVICE_ID_NEO_4_IBM), 0, 0, 4 },
+        { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_DIGI_NEO_8), 0, 0, 5 },
        { 0, }
 };
 MODULE_DEVICE_TABLE(pci, jsm_pci_tbl);
diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c
index b7584ca55ade..e6390d023634 100644
--- a/drivers/serial/jsm/jsm_neo.c
+++ b/drivers/serial/jsm/jsm_neo.c
@@ -577,9 +577,6 @@ static void neo_parse_modem(struct jsm_channel *ch, u8 signals)
        jsm_printk(MSIGS, INFO, &ch->ch_bd->pci_dev,
                        "neo_parse_modem: port: %d msignals: %x\n", ch->ch_portnum, msignals);
-        if (!ch)
-                return;
        /* Scrub off lower bits. They signify delta's, which I don't care about */
        /* Keep DDCD and DDSR though */
        msignals &= 0xf8;
diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c
index 3547558d2caf..324c74d2f666 100644
--- a/drivers/serial/jsm/jsm_tty.c
+++ b/drivers/serial/jsm/jsm_tty.c
@@ -161,6 +161,11 @@ static void jsm_tty_stop_rx(struct uart_port *port)
        channel->ch_bd->bd_ops->disable_receiver(channel);
 }
+static void jsm_tty_enable_ms(struct uart_port *port)
+{
+        /* Nothing needed */
+}
 static void jsm_tty_break(struct uart_port *port, int break_state)
 {
        unsigned long lock_flags;
@@ -345,6 +350,7 @@ static struct uart_ops jsm_ops = {
        .start_tx       = jsm_tty_start_tx,
        .send_xchar     = jsm_tty_send_xchar,
        .stop_rx        = jsm_tty_stop_rx,
+        .enable_ms      = jsm_tty_enable_ms,
        .break_ctl      = jsm_tty_break,
        .startup        = jsm_tty_open,
        .shutdown       = jsm_tty_close,
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index b2001c5b145c..56841fe5f483 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -212,10 +212,18 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios,
 {
        unsigned long flags;
        unsigned int baud, baudclk;
+#if defined(CONFIG_M5272)
+        unsigned int baudfr;
+#endif
        unsigned char mr1, mr2;
        baud = uart_get_baud_rate(port, termios, old, 0, 230400);
+#if defined(CONFIG_M5272)
+        baudclk = (MCF_BUSCLK / baud) / 32;
+        baudfr = (((MCF_BUSCLK / baud) + 1) / 2) % 16;
+#else
        baudclk = ((MCF_BUSCLK / baud) + 16) / 32;
+#endif
        mr1 = MCFUART_MR1_RXIRQRDY | MCFUART_MR1_RXERRCHAR;
        mr2 = 0;
@@ -262,6 +270,9 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios,
        writeb(mr2, port->membase + MCFUART_UMR);
        writeb((baudclk & 0xff00) >> 8, port->membase + MCFUART_UBG1);
        writeb((baudclk & 0xff), port->membase + MCFUART_UBG2);
+#if defined(CONFIG_M5272)
+        writeb((baudfr & 0x0f), port->membase + MCFUART_UFPD);
+#endif
        writeb(MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER,
                port->membase + MCFUART_UCSR);
        writeb(MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE,
diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index a821e3a3d664..14f8fa9135be 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -163,6 +163,7 @@ static struct of_device_id __devinitdata of_platform_serial_table[] = {
        { .type = "serial", .compatible = "ns16450",  .data = (void *)PORT_16450, },
        { .type = "serial", .compatible = "ns16550",  .data = (void *)PORT_16550, },
        { .type = "serial", .compatible = "ns16750",  .data = (void *)PORT_16750, },
+        { .type = "serial", .compatible = "ns16850",  .data = (void *)PORT_16850, },
 #ifdef CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL
        { .type = "serial", .compatible = "ibm,qpace-nwp-serial",
                                        .data = (void *)PORT_NWPSERIAL, },
diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c
index 22e30d21225e..1bb8f1b45767 100644
--- a/drivers/serial/pnx8xxx_uart.c
+++ b/drivers/serial/pnx8xxx_uart.c
@@ -187,7 +187,7 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport)
        status = FIFO_TO_SM(serial_in(sport, PNX8XXX_FIFO)) |
                 ISTAT_TO_SM(serial_in(sport, PNX8XXX_ISTAT));
        while (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFIFO)) {
-                ch = serial_in(sport, PNX8XXX_FIFO);
+                ch = serial_in(sport, PNX8XXX_FIFO) & 0xff;
                sport->port.icount.rx++;
@@ -198,9 +198,16 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport)
                 * out of the main execution path
                 */
                if (status & (FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE |
-                                        PNX8XXX_UART_FIFO_RXPAR) |
+                                        PNX8XXX_UART_FIFO_RXPAR |
+                                        PNX8XXX_UART_FIFO_RXBRK) |
                              ISTAT_TO_SM(PNX8XXX_UART_INT_RXOVRN))) {
-                        if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR))
+                        if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXBRK)) {
+                                status &= ~(FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE) |
+                                        FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR));
+                                sport->port.icount.brk++;
+                                if (uart_handle_break(&sport->port))
+                                        goto ignore_char;
+                        } else if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR))
                                sport->port.icount.parity++;
                        else if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE))
                                sport->port.icount.frame++;
@@ -284,14 +291,8 @@ static irqreturn_t pnx8xxx_int(int irq, void *dev_id)
        /* Get the interrupts */
        status  = serial_in(sport, PNX8XXX_ISTAT) & serial_in(sport, PNX8XXX_IEN);
-        /* Break signal received */
+        /* Byte or break signal received */
-        if (status & PNX8XXX_UART_INT_BREAK) {
+        if (status & (PNX8XXX_UART_INT_RX | PNX8XXX_UART_INT_BREAK))
-                sport->port.icount.brk++;
-                uart_handle_break(&sport->port);
-        }
-        /* Byte received */
-        if (status & PNX8XXX_UART_INT_RX)
                pnx8xxx_rx_chars(sport);
        /* TX holding register empty - transmit a byte */
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 38c600c0dbbf..022e89ffec1d 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -32,7 +32,9 @@
 #elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \
      defined(CONFIG_CPU_SUBTYPE_SH7721)
 # define SCSCR_INIT(port)  0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */
-#define SCIF_ORER    0x0200   /* overrun error bit */
+# define PORT_PTCR         0xA405011EUL
+# define PORT_PVCR         0xA4050122UL
+# define SCIF_ORER         0x0200   /* overrun error bit */
 #elif defined(CONFIG_SH_RTS7751R2D)
 # define SCSPTR1 0xFFE0001C /* 8 bit SCIF */
 # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
@@ -131,7 +133,7 @@
 # define SCSPTR3        0xffed0024      /* 16 bit SCIF */
 # define SCSPTR4        0xffee0024      /* 16 bit SCIF */
 # define SCSPTR5        0xffef0024      /* 16 bit SCIF */
-# define SCIF_OPER      0x0001          /* Overrun error bit */
+# define SCIF_ORER      0x0001          /* Overrun error bit */
 # define SCSCR_INIT(port)       0x3a    /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
 #elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \
      defined(CONFIG_CPU_SUBTYPE_SH7203) || \
@@ -393,6 +395,7 @@ SCIx_FNS(SCSCR,  0x08, 16, 0x08, 16)
 SCIx_FNS(SCxTDR, 0x20,  8, 0x0c,  8)
 SCIx_FNS(SCxSR,  0x14, 16, 0x10, 16)
 SCIx_FNS(SCxRDR, 0x24,  8, 0x14,  8)
+SCIx_FNS(SCSPTR, 0,     0,    0,  0)
 SCIF_FNS(SCTDSR, 0x0c,  8)
 SCIF_FNS(SCFER,  0x10, 16)
 SCIF_FNS(SCFCR,  0x18, 16)