Merge branch 'master'; commit 'v2.6.39-rc3' into next

20 files changed, 48 insertions, 61 deletions

diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index b3b881bc4712..6611535f4440 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -1629,7 +1629,7 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id)
                             up->port.iotype == UPIO_DWAPB32) &&
                           (iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
                         /* The DesignWare APB UART has an Busy Detect (0x07)
-                         * interrupt meaning an LCR write attempt occured while the
+                         * interrupt meaning an LCR write attempt occurred while the
                          * UART was busy. The interrupt must be cleared by reading
                          * the UART status register (USR) and the LCR re-written. */
                         unsigned int status;
diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c
index 8b8930f700b5..738cec9807d3 100644
--- a/drivers/tty/serial/8250_pci.c
+++ b/drivers/tty/serial/8250_pci.c
@@ -433,7 +433,7 @@ static void __devexit sbs_exit(struct pci_dev *dev)
 /*
  * SIIG serial cards have an PCI interface chip which also controls
  * the UART clocking frequency. Each UART can be clocked independently
- * (except cards equiped with 4 UARTs) and initial clocking settings
+ * (except cards equipped with 4 UARTs) and initial clocking settings
  * are stored in the EEPROM chip. It can cause problems because this
  * version of serial driver doesn't support differently clocked UART's
  * on single PCI card. To prevent this, initialization functions set
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index e1aee37270f5..80484af781e1 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1506,7 +1506,7 @@ config SERIAL_BCM63XX_CONSOLE
 
 config SERIAL_GRLIB_GAISLER_APBUART
         tristate "GRLIB APBUART serial support"
-        depends on OF
+        depends on OF && SPARC
         select SERIAL_CORE
         ---help---
         Add support for the GRLIB APBUART serial port.
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 57731e870085..6deee4e546be 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -520,7 +520,7 @@ static bool pl011_dma_tx_irq(struct uart_amba_port *uap)
 
         /*
          * We don't have a TX buffer queued, so try to queue one.
-         * If we succesfully queued a buffer, mask the TX IRQ.
+         * If we successfully queued a buffer, mask the TX IRQ.
          */
         if (pl011_dma_tx_refill(uap) > 0) {
                 uap->im &= ~UART011_TXIM;
diff --git a/drivers/tty/serial/apbuart.c b/drivers/tty/serial/apbuart.c
index 1ab999b04ef3..19a943693e4c 100644
--- a/drivers/tty/serial/apbuart.c
+++ b/drivers/tty/serial/apbuart.c
@@ -555,10 +555,9 @@ static struct uart_driver grlib_apbuart_driver = {
 
 static int __devinit apbuart_probe(struct platform_device *op)
 {
-        int i = -1;
+        int i;
         struct uart_port *port = NULL;
 
-        i = 0;
         for (i = 0; i < grlib_apbuart_port_nr; i++) {
                 if (op->dev.of_node == grlib_apbuart_nodes[i])
                         break;
@@ -566,6 +565,7 @@ static int __devinit apbuart_probe(struct platform_device *op)
 
         port = &grlib_apbuart_ports[i];
         port->dev = &op->dev;
+        port->irq = op->archdata.irqs[0];
 
         uart_add_one_port(&grlib_apbuart_driver, (struct uart_port *) port);
 
@@ -598,24 +598,12 @@ static struct platform_driver grlib_apbuart_of_driver = {
 
 static int grlib_apbuart_configure(void)
 {
-        struct device_node *np, *rp;
-        const u32 *prop;
-        int freq_khz, line = 0;
-
-        /* Get bus frequency */
-        rp = of_find_node_by_path("/");
-        if (!rp)
-                return -ENODEV;
-        rp = of_get_next_child(rp, NULL);
-        if (!rp)
-                return -ENODEV;
-        prop = of_get_property(rp, "clock-frequency", NULL);
-        if (!prop)
-                return -ENODEV;
-        freq_khz = *prop;
+        struct device_node *np;
+        int line = 0;
 
         for_each_matching_node(np, apbuart_match) {
-                const int *irqs, *ampopts;
+                const int *ampopts;
+                const u32 *freq_hz;
                 const struct amba_prom_registers *regs;
                 struct uart_port *port;
                 unsigned long addr;
@@ -623,11 +611,11 @@ static int grlib_apbuart_configure(void)
                 ampopts = of_get_property(np, "ampopts", NULL);
                 if (ampopts && (*ampopts == 0))
                         continue; /* Ignore if used by another OS instance */
-
-                irqs = of_get_property(np, "interrupts", NULL);
                 regs = of_get_property(np, "reg", NULL);
+                /* Frequency of APB Bus is frequency of UART */
+                freq_hz = of_get_property(np, "freq", NULL);
 
-                if (!irqs || !regs)
+                if (!regs || !freq_hz || (*freq_hz == 0))
                         continue;
 
                 grlib_apbuart_nodes[line] = np;
@@ -638,12 +626,12 @@ static int grlib_apbuart_configure(void)
 
                 port->mapbase = addr;
                 port->membase = ioremap(addr, sizeof(struct grlib_apbuart_regs_map));
-                port->irq = *irqs;
+                port->irq = 0;
                 port->iotype = UPIO_MEM;
                 port->ops = &grlib_apbuart_ops;
                 port->flags = UPF_BOOT_AUTOCONF;
                 port->line = line;
-                port->uartclk = freq_khz * 1000;
+                port->uartclk = *freq_hz;
                 port->fifosize = apbuart_scan_fifo_size((struct uart_port *) port, line);
                 line++;
 
diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c
index 53a468227056..8a869e58f6d7 100644
--- a/drivers/tty/serial/icom.c
+++ b/drivers/tty/serial/icom.c
@@ -1248,7 +1248,7 @@ static void icom_set_termios(struct uart_port *port,
                 }
         }
 
-        /* Enable Transmitter and Reciever */
+        /* Enable Transmitter and Receiver */
         offset =
             (unsigned long) &ICOM_PORT->statStg->rcv[0] -
             (unsigned long) ICOM_PORT->statStg;
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index dfcf4b1878aa..cb36b0d4ef3c 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -78,7 +78,7 @@
 #define  URXD_FRMERR     (1<<12)
 #define  URXD_BRK        (1<<11)
 #define  URXD_PRERR      (1<<10)
-#define  UCR1_ADEN       (1<<15) /* Auto dectect interrupt */
+#define  UCR1_ADEN       (1<<15) /* Auto detect interrupt */
 #define  UCR1_ADBR       (1<<14) /* Auto detect baud rate */
 #define  UCR1_TRDYEN     (1<<13) /* Transmitter ready interrupt enable */
 #define  UCR1_IDEN       (1<<12) /* Idle condition interrupt */
diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c
index ebff4a1d4bcc..7b1cda59ebb5 100644
--- a/drivers/tty/serial/ip22zilog.c
+++ b/drivers/tty/serial/ip22zilog.c
@@ -375,7 +375,7 @@ static void ip22zilog_transmit_chars(struct uart_ip22zilog_port *up,
                  * be nice to transmit console writes just like we normally would for
                  * a TTY line. (ie. buffered and TX interrupt driven).  That is not
                  * easy because console writes cannot sleep.  One solution might be
-                 * to poll on enough port->xmit space becomming free.  -DaveM
+                 * to poll on enough port->xmit space becoming free.  -DaveM
                  */
                 if (!(status & Tx_BUF_EMP))
                         return;
diff --git a/drivers/tty/serial/jsm/jsm.h b/drivers/tty/serial/jsm/jsm.h
index 38a509c684cd..b704c8ce0d71 100644
--- a/drivers/tty/serial/jsm/jsm.h
+++ b/drivers/tty/serial/jsm/jsm.h
@@ -273,7 +273,7 @@ struct neo_uart_struct {
          u8 fctr;               /* WR   FCTR - Feature Control Reg */
          u8 efr;                /* WR   EFR - Enhanced Function Reg */
          u8 tfifo;              /* WR   TXCNT/TXTRG - Transmit FIFO Reg */
-         u8 rfifo;              /* WR   RXCNT/RXTRG - Recieve FIFO Reg */
+         u8 rfifo;              /* WR   RXCNT/RXTRG - Receive FIFO Reg */
          u8 xoffchar1;  /* WR   XOFF 1 - XOff Character 1 Reg */
          u8 xoffchar2;  /* WR   XOFF 2 - XOff Character 2 Reg */
          u8 xonchar1;   /* WR   XON 1 - Xon Character 1 Reg */
diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c
index 7960d9633c15..4538c3e3646e 100644
--- a/drivers/tty/serial/jsm/jsm_neo.c
+++ b/drivers/tty/serial/jsm/jsm_neo.c
@@ -381,7 +381,7 @@ static void neo_copy_data_from_uart_to_queue(struct jsm_channel *ch)
                 /* Copy data from uart to the queue */
                 memcpy_fromio(ch->ch_rqueue + head, &ch->ch_neo_uart->txrxburst, n);
                 /*
-                 * Since RX_FIFO_DATA_ERROR was 0, we are guarenteed
+                 * Since RX_FIFO_DATA_ERROR was 0, we are guaranteed
                  * that all the data currently in the FIFO is free of
                  * breaks and parity/frame/orun errors.
                  */
@@ -1210,7 +1210,7 @@ static irqreturn_t neo_intr(int irq, void *voidbrd)
                          * Why would I check EVERY possibility of type of
                          * interrupt, when we know its TXRDY???
                          * Becuz for some reason, even tho we got triggered for TXRDY,
-                         * it seems to be occassionally wrong. Instead of TX, which
+                         * it seems to be occasionally wrong. Instead of TX, which
                          * it should be, I was getting things like RXDY too. Weird.
                          */
                         neo_parse_isr(brd, port);
diff --git a/drivers/tty/serial/max3107.h b/drivers/tty/serial/max3107.h
index 7ab632392502..8415fc723b96 100644
--- a/drivers/tty/serial/max3107.h
+++ b/drivers/tty/serial/max3107.h
@@ -369,7 +369,7 @@ struct max3107_port {
         struct spi_device *spi;
 
 #if defined(CONFIG_GPIOLIB)
-        /* GPIO chip stucture */
+        /* GPIO chip structure */
         struct gpio_chip chip;
 #endif
 
diff --git a/drivers/tty/serial/mrst_max3110.c b/drivers/tty/serial/mrst_max3110.c
index 37e13c3d91d9..2f548af4e98a 100644
--- a/drivers/tty/serial/mrst_max3110.c
+++ b/drivers/tty/serial/mrst_max3110.c
@@ -23,7 +23,7 @@
  *    1 word. If SPI master controller doesn't support sclk frequency change,
  *    then the char need be sent out one by one with some delay
  *
- * 2. Currently only RX availabe interrrupt is used, no need for waiting TXE
+ * 2. Currently only RX available interrrupt is used, no need for waiting TXE
  *    interrupt for a low speed UART device
  */
 
diff --git a/drivers/tty/serial/mrst_max3110.h b/drivers/tty/serial/mrst_max3110.h
index d1ef43af397c..c37ea48c825a 100644
--- a/drivers/tty/serial/mrst_max3110.h
+++ b/drivers/tty/serial/mrst_max3110.h
@@ -21,7 +21,7 @@
 
 #define WC_IRQ_MASK             (0xF << 8)
 #define WC_TXE_IRQ_ENABLE       (1 << 11)       /* TX empty irq */
-#define WC_RXA_IRQ_ENABLE       (1 << 10)       /* RX availabe irq */
+#define WC_RXA_IRQ_ENABLE       (1 << 10)       /* RX available irq */
 #define WC_PAR_HIGH_IRQ_ENABLE  (1 << 9)
 #define WC_REC_ACT_IRQ_ENABLE   (1 << 8)
 
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index b906f11f7c1a..624701f8138a 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -495,7 +495,7 @@ static void msm_hs_pm(struct uart_port *uport, unsigned int state,
  *
  * Interrupts should be disabled before we are called, as
  * we modify Set Baud rate
- * Set receive stale interrupt level, dependant on Bit Rate
+ * Set receive stale interrupt level, dependent on Bit Rate
  * Goal is to have around 8 ms before indicate stale.
  * roundup (((Bit Rate * .008) / 10) + 1
  */
@@ -1350,7 +1350,7 @@ static irqreturn_t msm_hs_rx_wakeup_isr(int irq, void *dev)
 
         spin_lock_irqsave(&uport->lock, flags);
         if (msm_uport->clk_state == MSM_HS_CLK_OFF) {
-                /* ignore the first irq - it is a pending irq that occured
+                /* ignore the first irq - it is a pending irq that occurred
                  * before enable_irq() */
                 if (msm_uport->rx_wakeup.ignore)
                         msm_uport->rx_wakeup.ignore = 0;
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 763537943a53..47cadf474149 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -13,7 +13,7 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
- * Note: This driver is made seperate from 8250 driver as we cannot
+ * Note: This driver is made separate from 8250 driver as we cannot
  * over load 8250 driver with omap platform specific configuration for
  * features like DMA, it makes easier to implement features like DMA and
  * hardware flow control and software flow control configuration with
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 5b9cde79e4ea..e1c8d4f1ce58 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -330,7 +330,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
                  * When that happens, I disable the receive side of the driver.
                  * Note that what I've been experiencing is a real irq loop where
                  * I'm getting flooded regardless of the actual port speed.
-                 * Something stange is going on with the HW
+                 * Something strange is going on with the HW
                  */
                 if ((++loops) > 1000)
                         goto flood;
@@ -396,7 +396,7 @@ static void pmz_transmit_chars(struct uart_pmac_port *uap)
                  * be nice to transmit console writes just like we normally would for
                  * a TTY line. (ie. buffered and TX interrupt driven).  That is not
                  * easy because console writes cannot sleep.  One solution might be
-                 * to poll on enough port->xmit space becomming free.  -DaveM
+                 * to poll on enough port->xmit space becoming free.  -DaveM
                  */
                 if (!(status & Tx_BUF_EMP))
                         return;
@@ -809,7 +809,7 @@ static int pmz_set_scc_power(struct uart_pmac_port *uap, int state)
 #endif /* !CONFIG_PPC_PMAC */
 
 /*
- * FixZeroBug....Works around a bug in the SCC receving channel.
+ * FixZeroBug....Works around a bug in the SCC receiving channel.
  * Inspired from Darwin code, 15 Sept. 2000  -DanM
  *
  * The following sequence prevents a problem that is seen with O'Hare ASICs
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 2335edafe903..9e2fa8d784e2 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -64,7 +64,7 @@
 #define tx_enabled(port) ((port)->unused[0])
 #define rx_enabled(port) ((port)->unused[1])
 
-/* flag to ignore all characters comming in */
+/* flag to ignore all characters coming in */
 #define RXSTAT_DUMMY_READ (0x10000000)
 
 static inline struct s3c24xx_uart_port *to_ourport(struct uart_port *port)
@@ -291,7 +291,7 @@ static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id)
                 goto out;
         }
 
-        /* if there isnt anything more to transmit, or the uart is now
+        /* if there isn't anything more to transmit, or the uart is now
          * stopped, disable the uart and exit
         */
 
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index eb7958c675a8..920a6f929c8b 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -812,7 +812,7 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
 }
 
 /*
- * Here we define a transistion notifier so that we can update all of our
+ * Here we define a transition notifier so that we can update all of our
  * ports' baud rate when the peripheral clock changes.
  */
 static int sci_notifier(struct notifier_block *self,
@@ -1836,6 +1836,12 @@ static int __devinit serial_console_setup(struct console *co, char *options)
         sci_port = &sci_ports[co->index];
         port = &sci_port->port;
 
+        /*
+         * Refuse to handle uninitialized ports.
+         */
+        if (!port->ops)
+                return -ENODEV;
+
         ret = sci_remap_port(port);
         if (unlikely(ret != 0))
                 return ret;
@@ -1866,13 +1872,6 @@ static struct console serial_console = {
         .data           = &sci_uart_driver,
 };
 
-static int __init sci_console_init(void)
-{
-        register_console(&serial_console);
-        return 0;
-}
-console_initcall(sci_console_init);
-
 static struct console early_serial_console = {
         .name           = "early_ttySC",
         .write          = serial_console_write,
@@ -1901,18 +1900,18 @@ static int __devinit sci_probe_earlyprintk(struct platform_device *pdev)
         register_console(&early_serial_console);
         return 0;
 }
+
+#define SCI_CONSOLE     (&serial_console)
+
 #else
 static inline int __devinit sci_probe_earlyprintk(struct platform_device *pdev)
 {
         return -EINVAL;
 }
-#endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */
 
-#if defined(CONFIG_SERIAL_SH_SCI_CONSOLE)
-#define SCI_CONSOLE     (&serial_console)
-#else
-#define SCI_CONSOLE     0
-#endif
+#define SCI_CONSOLE     NULL
+
+#endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */
 
 static char banner[] __initdata =
         KERN_INFO "SuperH SCI(F) driver initialized\n";
diff --git a/drivers/tty/serial/sn_console.c b/drivers/tty/serial/sn_console.c
index cff9a306660f..377ae74e7154 100644
--- a/drivers/tty/serial/sn_console.c
+++ b/drivers/tty/serial/sn_console.c
@@ -146,7 +146,7 @@ static struct sn_sal_ops intr_ops = {
 };
 
 /* the console does output in two distinctly different ways:
- * synchronous (raw) and asynchronous (buffered).  initally, early_printk
+ * synchronous (raw) and asynchronous (buffered).  initially, early_printk
  * does synchronous output.  any data written goes directly to the SAL
  * to be output (incidentally, it is internally buffered by the SAL)
  * after interrupts and timers are initialized and available for use,
@@ -481,7 +481,7 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags)
         while (port->sc_ops->sal_input_pending()) {
                 ch = port->sc_ops->sal_getc();
                 if (ch < 0) {
-                        printk(KERN_ERR "sn_console: An error occured while "
+                        printk(KERN_ERR "sn_console: An error occurred while "
                                "obtaining data from the console (0x%0x)\n", ch);
                         break;
                 }
diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c
index 99ff9abf57ce..8e916e76b7b5 100644
--- a/drivers/tty/serial/sunzilog.c
+++ b/drivers/tty/serial/sunzilog.c
@@ -474,7 +474,7 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up,
                  * be nice to transmit console writes just like we normally would for
                  * a TTY line. (ie. buffered and TX interrupt driven).  That is not
                  * easy because console writes cannot sleep.  One solution might be
-                 * to poll on enough port->xmit space becomming free.  -DaveM
+                 * to poll on enough port->xmit space becoming free.  -DaveM
                  */
                 if (!(status & Tx_BUF_EMP))
                         return;