Merge tty-next into 3.6-rc1

This handles the merge issue in:
	arch/um/drivers/line.c
	arch/um/drivers/line.h
And resolves the duplicate patches that were in both trees do to the
tty-next branch not getting merged into 3.6-rc1.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

6 files changed, 56 insertions, 25 deletions

diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 944eaeb8e0cf..1e456dca4f60 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -209,11 +209,10 @@ static int xen_hvm_console_init(void)
                 info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO);
                 if (!info)
                         return -ENOMEM;
-        }
-
-        /* already configured */
-        if (info->intf != NULL)
+        } else if (info->intf != NULL) {
+                /* already configured */
                 return 0;
+        }
         /*
          * If the toolstack (or the hypervisor) hasn't set these values, the
          * default value is 0. Even though mfn = 0 and evtchn = 0 are
@@ -259,12 +258,10 @@ static int xen_pv_console_init(void)
                 info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO);
                 if (!info)
                         return -ENOMEM;
-        }
-
-        /* already configured */
-        if (info->intf != NULL)
+        } else if (info->intf != NULL) {
+                /* already configured */
                 return 0;
-
+        }
         info->evtchn = xen_start_info->console.domU.evtchn;
         info->intf = mfn_to_virt(xen_start_info->console.domU.mfn);
         info->vtermno = HVC_COOKIE;
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index b81cc31f2657..92b1ac8db63d 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -53,9 +53,9 @@
 #include <linux/delay.h>
 #include <linux/types.h>
 #include <linux/pinctrl/consumer.h>
+#include <linux/sizes.h>
 
 #include <asm/io.h>
-#include <asm/sizes.h>
 
 #define UART_NR                 14
 
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 0af4eec8c7b1..20e911724027 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -169,7 +169,6 @@
 #define SERIAL_IMX_MAJOR        207
 #define MINOR_START             16
 #define DEV_NAME                "ttymxc"
-#define MAX_INTERNAL_IRQ        MXC_INTERNAL_IRQS
 
 /*
  * This determines how often we check the modem status signals
@@ -741,10 +740,7 @@ static int imx_startup(struct uart_port *port)
 
                 /* do not use RTS IRQ on IrDA */
                 if (!USE_IRDA(sport)) {
-                        retval = request_irq(sport->rtsirq, imx_rtsint,
-                                     (sport->rtsirq < MAX_INTERNAL_IRQ) ? 0 :
-                                       IRQF_TRIGGER_FALLING |
-                                       IRQF_TRIGGER_RISING,
+                        retval = request_irq(sport->rtsirq, imx_rtsint, 0,
                                         DRIVER_NAME, sport);
                         if (retval)
                                 goto error_out3;
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index ec56d8397aae..2e341b81ff89 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -33,6 +33,7 @@
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/pinctrl/consumer.h>
+#include <linux/of_device.h>
 
 #include <asm/cacheflush.h>
 
@@ -675,6 +676,30 @@ static struct uart_driver auart_driver = {
 #endif
 };
 
+/*
+ * This function returns 1 if pdev isn't a device instatiated by dt, 0 if it
+ * could successfully get all information from dt or a negative errno.
+ */
+static int serial_mxs_probe_dt(struct mxs_auart_port *s,
+                struct platform_device *pdev)
+{
+        struct device_node *np = pdev->dev.of_node;
+        int ret;
+
+        if (!np)
+                /* no device tree device */
+                return 1;
+
+        ret = of_alias_get_id(np, "serial");
+        if (ret < 0) {
+                dev_err(&pdev->dev, "failed to get alias id: %d\n", ret);
+                return ret;
+        }
+        s->port.line = ret;
+
+        return 0;
+}
+
 static int __devinit mxs_auart_probe(struct platform_device *pdev)
 {
         struct mxs_auart_port *s;
@@ -689,6 +714,12 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
                 goto out;
         }
 
+        ret = serial_mxs_probe_dt(s, pdev);
+        if (ret > 0)
+                s->port.line = pdev->id < 0 ? 0 : pdev->id;
+        else if (ret < 0)
+                goto out_free;
+
         pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
         if (IS_ERR(pinctrl)) {
                 ret = PTR_ERR(pinctrl);
@@ -711,7 +742,6 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
         s->port.membase = ioremap(r->start, resource_size(r));
         s->port.ops = &mxs_auart_ops;
         s->port.iotype = UPIO_MEM;
-        s->port.line = pdev->id < 0 ? 0 : pdev->id;
         s->port.fifosize = 16;
         s->port.uartclk = clk_get_rate(s->clk);
         s->port.type = PORT_IMX;
@@ -728,7 +758,7 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, s);
 
-        auart_port[pdev->id] = s;
+        auart_port[s->port.line] = s;
 
         mxs_auart_reset(&s->port);
 
@@ -769,12 +799,19 @@ static int __devexit mxs_auart_remove(struct platform_device *pdev)
         return 0;
 }
 
+static struct of_device_id mxs_auart_dt_ids[] = {
+        { .compatible = "fsl,imx23-auart", },
+        { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mxs_auart_dt_ids);
+
 static struct platform_driver mxs_auart_driver = {
         .probe = mxs_auart_probe,
         .remove = __devexit_p(mxs_auart_remove),
         .driver = {
                 .name = "mxs-auart",
                 .owner = THIS_MODULE,
+                .of_match_table = mxs_auart_dt_ids,
         },
 };
 
@@ -807,3 +844,4 @@ module_init(mxs_auart_init);
 module_exit(mxs_auart_exit);
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Freescale MXS application uart driver");
+MODULE_ALIAS("platform:mxs-auart");
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 1bd9163bc118..9be296cf7295 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -25,6 +25,7 @@
 
 #include <linux/module.h>
 #include <linux/errno.h>
+#include <linux/sh_dma.h>
 #include <linux/timer.h>
 #include <linux/interrupt.h>
 #include <linux/tty.h>
@@ -1410,8 +1411,8 @@ static void work_fn_rx(struct work_struct *work)
                 /* Handle incomplete DMA receive */
                 struct tty_struct *tty = port->state->port.tty;
                 struct dma_chan *chan = s->chan_rx;
-                struct sh_desc *sh_desc = container_of(desc, struct sh_desc,
-                                                       async_tx);
+                struct shdma_desc *sh_desc = container_of(desc,
+                                        struct shdma_desc, async_tx);
                 unsigned long flags;
                 int count;
 
@@ -1615,9 +1616,9 @@ static bool filter(struct dma_chan *chan, void *slave)
         struct sh_dmae_slave *param = slave;
 
         dev_dbg(chan->device->dev, "%s: slave ID %d\n", __func__,
-                param->slave_id);
+                param->shdma_slave.slave_id);
 
-        chan->private = param;
+        chan->private = &param->shdma_slave;
         return true;
 }
 
@@ -1656,7 +1657,7 @@ static void sci_request_dma(struct uart_port *port)
         param = &s->param_tx;
 
         /* Slave ID, e.g., SHDMA_SLAVE_SCIF0_TX */
-        param->slave_id = s->cfg->dma_slave_tx;
+        param->shdma_slave.slave_id = s->cfg->dma_slave_tx;
 
         s->cookie_tx = -EINVAL;
         chan = dma_request_channel(mask, filter, param);
@@ -1684,7 +1685,7 @@ static void sci_request_dma(struct uart_port *port)
         param = &s->param_rx;
 
         /* Slave ID, e.g., SHDMA_SLAVE_SCIF0_RX */
-        param->slave_id = s->cfg->dma_slave_rx;
+        param->shdma_slave.slave_id = s->cfg->dma_slave_rx;
 
         chan = dma_request_channel(mask, filter, param);
         dev_dbg(port->dev, "%s: RX: got channel %p\n", __func__, chan);
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 6cd414341d5e..6579ffdd8e9b 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -216,8 +216,7 @@ static int ulite_startup(struct uart_port *port)
 {
         int ret;
 
-        ret = request_irq(port->irq, ulite_isr,
-                          IRQF_SHARED | IRQF_SAMPLE_RANDOM, "uartlite", port);
+        ret = request_irq(port->irq, ulite_isr, IRQF_SHARED, "uartlite", port);
         if (ret)
                 return ret;