Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (212 commits)
  [ARM] pxa: Phycore pcm-990-specific code for the PXA270 Quick Capture driver
  [ARM] pxa: V4L2 soc_camera driver for PXA270
  [ARM] pxa: restrict availability of pxa2xx PCMCIA drivers
  [ARM] 5005/1: BAST: Fix kset_name initialiser
  [ARM] 4967/1: Adds functions to set clkout rate for Samsung S3C2410
  [ARM] 4988/1: Add GPIO lib support to the EP93xx
  [ARM] Add initial sparsemem support
  [ARM] pxa: initialise PXA devices before platform init code
  [ARM] 5002/1: tosa: add two more leds
  [ARM] 5004/1: Tosa: make several unreferenced structures static.
  [ARM] 5003/1: Shut up sparse warnings
  [ARM] 4977/2: soc - pxa2xx-ac97 - Add missing clk_enable()
  [ARM] 4976/1: zylonite: Configure GPIO for WM9713 IRQ line
  [ARM] 4974/1: Drop unused leds-tosa.
  [ARM] 4973/1: Tosa: use leds-gpio driver.
  [ARM] 4972/1: Tosa: convert scoop GPIOs usage to generic gpio code
  [ARM] 4971/1: pxaficp_ir: provide startup and shutdown hooks
  [ARM] pxa: lubbock: move mis-placed SPI info
  [ARM] 4970/1: tosa: correct gpio used for wake up.
  [ARM] 4966/1: magician: add MFP pin configuration
  ...

1 files changed, 53 insertions, 58 deletions

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 16ba9ac7a566..5a375bf0ebf4 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -166,15 +166,6 @@
 #define SERIAL_IMX_MAJOR        204
 #define MINOR_START             41
 
-#define NR_PORTS                2
-
-#define IMX_ISR_PASS_LIMIT      256
-
-/*
- * This is the size of our serial port register set.
- */
-#define UART_PORT_SIZE  0x100
-
 /*
  * This determines how often we check the modem status signals
  * for any change.  They generally aren't connected to an IRQ
@@ -358,66 +349,60 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
         struct tty_struct *tty = sport->port.info->tty;
         unsigned long flags, temp;
 
-        rx = readl(sport->port.membase + URXD0);
         spin_lock_irqsave(&sport->port.lock,flags);
 
-        do {
+        while (readl(sport->port.membase + USR2) & USR2_RDR) {
                 flg = TTY_NORMAL;
                 sport->port.icount.rx++;
 
+                rx = readl(sport->port.membase + URXD0);
+
                 temp = readl(sport->port.membase + USR2);
-                if( temp & USR2_BRCD ) {
+                if (temp & USR2_BRCD) {
                         writel(temp | USR2_BRCD, sport->port.membase + USR2);
-                        if(uart_handle_break(&sport->port))
-                                goto ignore_char;
+                        if (uart_handle_break(&sport->port))
+                                continue;
                 }
 
                 if (uart_handle_sysrq_char
                             (&sport->port, (unsigned char)rx))
-                        goto ignore_char;
+                        continue;
+
+                if (rx & (URXD_PRERR | URXD_OVRRUN | URXD_FRMERR) ) {
+                        if (rx & URXD_PRERR)
+                                sport->port.icount.parity++;
+                        else if (rx & URXD_FRMERR)
+                                sport->port.icount.frame++;
+                        if (rx & URXD_OVRRUN)
+                                sport->port.icount.overrun++;
+
+                        if (rx & sport->port.ignore_status_mask) {
+                                if (++ignored > 100)
+                                        goto out;
+                                continue;
+                        }
+
+                        rx &= sport->port.read_status_mask;
+
+                        if (rx & URXD_PRERR)
+                                flg = TTY_PARITY;
+                        else if (rx & URXD_FRMERR)
+                                flg = TTY_FRAME;
+                        if (rx & URXD_OVRRUN)
+                                flg = TTY_OVERRUN;
 
-                if( rx & (URXD_PRERR | URXD_OVRRUN | URXD_FRMERR) )
-                        goto handle_error;
+#ifdef SUPPORT_SYSRQ
+                        sport->port.sysrq = 0;
+#endif
+                }
 
-        error_return:
                 tty_insert_flip_char(tty, rx, flg);
-
-        ignore_char:
-                rx = readl(sport->port.membase + URXD0);
-        } while(rx & URXD_CHARRDY);
+        }
 
 out:
         spin_unlock_irqrestore(&sport->port.lock,flags);
         tty_flip_buffer_push(tty);
         return IRQ_HANDLED;
-
-handle_error:
-        if (rx & URXD_PRERR)
-                sport->port.icount.parity++;
-        else if (rx & URXD_FRMERR)
-                sport->port.icount.frame++;
-        if (rx & URXD_OVRRUN)
-                sport->port.icount.overrun++;
-
-        if (rx & sport->port.ignore_status_mask) {
-                if (++ignored > 100)
-                        goto out;
-                goto ignore_char;
-        }
-
-        rx &= sport->port.read_status_mask;
-
-        if (rx & URXD_PRERR)
-                flg = TTY_PARITY;
-        else if (rx & URXD_FRMERR)
-                flg = TTY_FRAME;
-        if (rx & URXD_OVRRUN)
-                flg = TTY_OVERRUN;
-
-#ifdef SUPPORT_SYSRQ
-        sport->port.sysrq = 0;
-#endif
-        goto error_return;
 }
 
 /*
@@ -546,7 +531,7 @@ static int imx_startup(struct uart_port *port)
         writel(USR1_RTSD, sport->port.membase + USR1);
 
         temp = readl(sport->port.membase + UCR1);
-        temp |= (UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+        temp |= UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN;
         writel(temp, sport->port.membase + UCR1);
 
         temp = readl(sport->port.membase + UCR2);
@@ -731,9 +716,11 @@ static const char *imx_type(struct uart_port *port)
  */
 static void imx_release_port(struct uart_port *port)
 {
-        struct imx_port *sport = (struct imx_port *)port;
+        struct platform_device *pdev = to_platform_device(port->dev);
+        struct resource *mmres;
 
-        release_mem_region(sport->port.mapbase, UART_PORT_SIZE);
+        mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        release_mem_region(mmres->start, mmres->end - mmres->start + 1);
 }
 
 /*
@@ -741,10 +728,18 @@ static void imx_release_port(struct uart_port *port)
  */
 static int imx_request_port(struct uart_port *port)
 {
-        struct imx_port *sport = (struct imx_port *)port;
+        struct platform_device *pdev = to_platform_device(port->dev);
+        struct resource *mmres;
+        void *ret;
+
+        mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!mmres)
+                return -ENODEV;
+
+        ret = request_mem_region(mmres->start, mmres->end - mmres->start + 1,
+                        "imx-uart");
 
-        return request_mem_region(sport->port.mapbase, UART_PORT_SIZE,
-                        "imx-uart") != NULL ? 0 : -EBUSY;
+        return  ret ? 0 : -EBUSY;
 }
 
 /*
@@ -815,7 +810,7 @@ static struct imx_port imx_ports[] = {
                 .type           = PORT_IMX,
                 .iotype         = UPIO_MEM,
                 .membase        = (void *)IMX_UART1_BASE,
-                .mapbase        = IMX_UART1_BASE, /* FIXME */
+                .mapbase        = 0x00206000,
                 .irq            = UART1_MINT_RX,
                 .uartclk        = 16000000,
                 .fifosize       = 32,
@@ -831,7 +826,7 @@ static struct imx_port imx_ports[] = {
                 .type           = PORT_IMX,
                 .iotype         = UPIO_MEM,
                 .membase        = (void *)IMX_UART2_BASE,
-                .mapbase        = IMX_UART2_BASE, /* FIXME */
+                .mapbase        = 0x00207000,
                 .irq            = UART2_MINT_RX,
                 .uartclk        = 16000000,
                 .fifosize       = 32,