115 files changed, 3574 insertions, 600 deletions

diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 95650f83ce2e..bc46de3d967f 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -116,9 +116,6 @@ int acpi_pci_bind(struct acpi_device *device)
         struct acpi_pci_data *pdata;
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
         acpi_handle handle;
-        struct pci_dev *dev;
-        struct pci_bus *bus;
-
 
         if (!device || !device->parent)
                 return -EINVAL;
@@ -176,20 +173,9 @@ int acpi_pci_bind(struct acpi_device *device)
          * Locate matching device in PCI namespace.  If it doesn't exist
          * this typically means that the device isn't currently inserted
          * (e.g. docking station, port replicator, etc.).
-         * We cannot simply search the global pci device list, since
-         * PCI devices are added to the global pci list when the root
-         * bridge start ops are run, which may not have happened yet.
          */
-        bus = pci_find_bus(data->id.segment, data->id.bus);
-        if (bus) {
-                list_for_each_entry(dev, &bus->devices, bus_list) {
-                        if (dev->devfn == PCI_DEVFN(data->id.device,
-                                                    data->id.function)) {
-                                data->dev = dev;
-                                break;
-                        }
-                }
-        }
+        data->dev = pci_get_slot(pdata->bus,
+                                PCI_DEVFN(data->id.device, data->id.function));
         if (!data->dev) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                   "Device %04x:%02x:%02x.%d not present in PCI namespace\n",
@@ -259,9 +245,10 @@ int acpi_pci_bind(struct acpi_device *device)
 
       end:
         kfree(buffer.pointer);
-        if (result)
+        if (result) {
+                pci_dev_put(data->dev);
                 kfree(data);
-
+        }
         return result;
 }
 
@@ -303,6 +290,7 @@ static int acpi_pci_unbind(struct acpi_device *device)
         if (data->dev->subordinate) {
                 acpi_pci_irq_del_prt(data->id.segment, data->bus->number);
         }
+        pci_dev_put(data->dev);
         kfree(data);
 
       end:
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 72069ba5f1ed..10a2d913635a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -148,6 +148,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
         if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
                 return;
 
+        if (boot_cpu_has(X86_FEATURE_AMDC1E))
+                type = ACPI_STATE_C1;
+
         /*
          * Check, if one of the previous states already marked the lapic
          * unstable
@@ -611,6 +614,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
                 switch (cx->type) {
                 case ACPI_STATE_C1:
                         cx->valid = 1;
+                        acpi_timer_check_state(i, pr, cx);
                         break;
 
                 case ACPI_STATE_C2:
@@ -830,11 +834,12 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 
         /* Do not access any ACPI IO ports in suspend path */
         if (acpi_idle_suspend) {
-                acpi_safe_halt();
                 local_irq_enable();
+                cpu_relax();
                 return 0;
         }
 
+        acpi_state_timer_broadcast(pr, cx, 1);
         kt1 = ktime_get_real();
         acpi_idle_do_entry(cx);
         kt2 = ktime_get_real();
@@ -842,6 +847,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 
         local_irq_enable();
         cx->usage++;
+        acpi_state_timer_broadcast(pr, cx, 0);
 
         return idle_time;
 }
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index cafb41000f6b..60e543d3234e 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -309,9 +309,15 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
                                   (u32) px->bus_master_latency,
                                   (u32) px->control, (u32) px->status));
 
-                if (!px->core_frequency) {
-                        printk(KERN_ERR PREFIX
-                                    "Invalid _PSS data: freq is zero\n");
+                /*
+                 * Check that ACPI's u64 MHz will be valid as u32 KHz in cpufreq
+                 */
+                if (!px->core_frequency ||
+                    ((u32)(px->core_frequency * 1000) !=
+                     (px->core_frequency * 1000))) {
+                        printk(KERN_ERR FW_BUG PREFIX
+                               "Invalid BIOS _PSS frequency: 0x%llx MHz\n",
+                               px->core_frequency);
                         result = -EFAULT;
                         kfree(pr->performance->states);
                         goto end;
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 7f16f5f8e7d3..227543789ba9 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -840,7 +840,7 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
                 state = acpi_get_throttling_state(pr, value);
                 if (state == -1) {
                         ACPI_WARNING((AE_INFO,
-                                "Invalid throttling state, reset\n"));
+                                "Invalid throttling state, reset"));
                         state = 0;
                         ret = acpi_processor_set_throttling(pr, state);
                         if (ret)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 810cca90ca7f..1bdfb37377e3 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -570,6 +570,22 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
                 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710Z"),
                 },
         },
+        {
+         .callback = video_set_bqc_offset,
+         .ident = "eMachines E510",
+         .matches = {
+                DMI_MATCH(DMI_BOARD_VENDOR, "EMACHINES"),
+                DMI_MATCH(DMI_PRODUCT_NAME, "eMachines E510"),
+                },
+        },
+        {
+         .callback = video_set_bqc_offset,
+         .ident = "Acer Aspire 5315",
+         .matches = {
+                DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
+                },
+        },
         {}
 };
 
@@ -2334,7 +2350,7 @@ static int __init acpi_video_init(void)
         return acpi_video_register();
 }
 
-void __exit acpi_video_exit(void)
+void acpi_video_exit(void)
 {
 
         acpi_bus_unregister_driver(&acpi_video_bus);
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 9120717c0701..2aa1908e5ce0 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -535,6 +535,15 @@ config PATA_OPTIDMA
 
           If unsure, say N.
 
+config PATA_PALMLD
+        tristate "Palm LifeDrive PATA support"
+        depends on MACH_PALMLD
+        help
+          This option enables support for Palm LifeDrive's internal ATA
+          port via the new ATA layer.
+
+          If unsure, say N.
+
 config PATA_PCMCIA
         tristate "PCMCIA PATA support"
         depends on PCMCIA
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 7f1ecf99528c..1558059874f0 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -50,6 +50,7 @@ obj-$(CONFIG_PATA_MPC52xx)	+= pata_mpc52xx.o
 obj-$(CONFIG_PATA_MARVELL)      += pata_marvell.o
 obj-$(CONFIG_PATA_MPIIX)        += pata_mpiix.o
 obj-$(CONFIG_PATA_OLDPIIX)      += pata_oldpiix.o
+obj-$(CONFIG_PATA_PALMLD)       += pata_palmld.o
 obj-$(CONFIG_PATA_PCMCIA)       += pata_pcmcia.o
 obj-$(CONFIG_PATA_PDC2027X)     += pata_pdc2027x.o
 obj-$(CONFIG_PATA_PDC_OLD)      += pata_pdc202xx_old.o
diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c
index bdb236957cb9..9a698097134b 100644
--- a/drivers/ata/pata_netcell.c
+++ b/drivers/ata/pata_netcell.c
@@ -20,13 +20,24 @@
 
 /* No PIO or DMA methods needed for this device */
 
+static unsigned int netcell_read_id(struct ata_device *adev,
+                                        struct ata_taskfile *tf, u16 *id)
+{
+        unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
+        /* Firmware forgets to mark words 85-87 valid */
+        if (err_mask == 0)
+                id[ATA_ID_CSF_DEFAULT] |= 0x0400;
+        return err_mask;
+}
+
 static struct scsi_host_template netcell_sht = {
         ATA_BMDMA_SHT(DRV_NAME),
 };
 
 static struct ata_port_operations netcell_ops = {
         .inherits       = &ata_bmdma_port_ops,
-        .cable_detect           = ata_cable_80wire,
+        .cable_detect   = ata_cable_80wire,
+        .read_id        = netcell_read_id,
 };
 
 
diff --git a/drivers/ata/pata_palmld.c b/drivers/ata/pata_palmld.c
new file mode 100644
index 000000000000..11fb4ccc74b4
--- /dev/null
+++ b/drivers/ata/pata_palmld.c
@@ -0,0 +1,150 @@
+/*
+ * drivers/ata/pata_palmld.c
+ *
+ * Driver for IDE channel in Palm LifeDrive
+ *
+ * Based on research of:
+ *              Alex Osborne <ato@meshy.org>
+ *
+ * Rewrite for mainline:
+ *              Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Rewritten version based on pata_ixp4xx_cf.c:
+ * ixp4xx PATA/Compact Flash driver
+ * Copyright (C) 2006-07 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/libata.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+
+#include <scsi/scsi_host.h>
+#include <mach/palmld.h>
+
+#define DRV_NAME "pata_palmld"
+
+static struct scsi_host_template palmld_sht = {
+        ATA_PIO_SHT(DRV_NAME),
+};
+
+static struct ata_port_operations palmld_port_ops = {
+        .inherits               = &ata_sff_port_ops,
+        .sff_data_xfer          = ata_sff_data_xfer_noirq,
+        .cable_detect           = ata_cable_40wire,
+};
+
+static __devinit int palmld_pata_probe(struct platform_device *pdev)
+{
+        struct ata_host *host;
+        struct ata_port *ap;
+        void __iomem *mem;
+        int ret;
+
+        /* allocate host */
+        host = ata_host_alloc(&pdev->dev, 1);
+        if (!host)
+                return -ENOMEM;
+
+        /* remap drive's physical memory address */
+        mem = devm_ioremap(&pdev->dev, PALMLD_IDE_PHYS, 0x1000);
+        if (!mem)
+                return -ENOMEM;
+
+        /* request and activate power GPIO, IRQ GPIO */
+        ret = gpio_request(GPIO_NR_PALMLD_IDE_PWEN, "HDD PWR");
+        if (ret)
+                goto err1;
+        ret = gpio_direction_output(GPIO_NR_PALMLD_IDE_PWEN, 1);
+        if (ret)
+                goto err2;
+
+        ret = gpio_request(GPIO_NR_PALMLD_IDE_RESET, "HDD RST");
+        if (ret)
+                goto err2;
+        ret = gpio_direction_output(GPIO_NR_PALMLD_IDE_RESET, 0);
+        if (ret)
+                goto err3;
+
+        /* reset the drive */
+        gpio_set_value(GPIO_NR_PALMLD_IDE_RESET, 0);
+        msleep(30);
+        gpio_set_value(GPIO_NR_PALMLD_IDE_RESET, 1);
+        msleep(30);
+
+        /* setup the ata port */
+        ap = host->ports[0];
+        ap->ops = &palmld_port_ops;
+        ap->pio_mask = ATA_PIO4;
+        ap->flags |= ATA_FLAG_MMIO | ATA_FLAG_NO_LEGACY | ATA_FLAG_PIO_POLLING;
+
+        /* memory mapping voodoo */
+        ap->ioaddr.cmd_addr = mem + 0x10;
+        ap->ioaddr.altstatus_addr = mem + 0xe;
+        ap->ioaddr.ctl_addr = mem + 0xe;
+
+        /* start the port */
+        ata_sff_std_ports(&ap->ioaddr);
+
+        /* activate host */
+        return ata_host_activate(host, 0, NULL, IRQF_TRIGGER_RISING,
+                                        &palmld_sht);
+
+err3:
+        gpio_free(GPIO_NR_PALMLD_IDE_RESET);
+err2:
+        gpio_free(GPIO_NR_PALMLD_IDE_PWEN);
+err1:
+        return ret;
+}
+
+static __devexit int palmld_pata_remove(struct platform_device *dev)
+{
+        struct ata_host *host = platform_get_drvdata(dev);
+
+        ata_host_detach(host);
+
+        /* power down the HDD */
+        gpio_set_value(GPIO_NR_PALMLD_IDE_PWEN, 0);
+
+        gpio_free(GPIO_NR_PALMLD_IDE_RESET);
+        gpio_free(GPIO_NR_PALMLD_IDE_PWEN);
+
+        return 0;
+}
+
+static struct platform_driver palmld_pata_platform_driver = {
+        .driver  = {
+                .name   = DRV_NAME,
+                .owner  = THIS_MODULE,
+        },
+        .probe          = palmld_pata_probe,
+        .remove         = __devexit_p(palmld_pata_remove),
+};
+
+static int __init palmld_pata_init(void)
+{
+        return platform_driver_register(&palmld_pata_platform_driver);
+}
+
+static void __exit palmld_pata_exit(void)
+{
+        platform_driver_unregister(&palmld_pata_platform_driver);
+}
+
+MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION("PalmLD PATA driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
+
+module_init(palmld_pata_init);
+module_exit(palmld_pata_exit);
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index dc030f1f00f1..c6599618523e 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -700,8 +700,10 @@ int bus_add_driver(struct device_driver *drv)
         }
 
         kobject_uevent(&priv->kobj, KOBJ_ADD);
-        return error;
+        return 0;
 out_unregister:
+        kfree(drv->p);
+        drv->p = NULL;
         kobject_put(&priv->kobj);
 out_put_bus:
         bus_put(bus);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4aa527b8a913..1977d4beb89e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -879,7 +879,7 @@ int device_add(struct device *dev)
         }
 
         if (!dev_name(dev))
-                goto done;
+                goto name_error;
 
         pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
 
@@ -978,6 +978,9 @@ done:
         cleanup_device_parent(dev);
         if (parent)
                 put_device(parent);
+name_error:
+        kfree(dev->p);
+        dev->p = NULL;
         goto done;
 }
 
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index c51f11bb29ae..8ae0f63602e0 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -257,6 +257,10 @@ EXPORT_SYMBOL_GPL(driver_register);
  */
 void driver_unregister(struct device_driver *drv)
 {
+        if (!drv || !drv->p) {
+                WARN(1, "Unexpected driver unregister!\n");
+                return;
+        }
         driver_remove_groups(drv, drv->groups);
         bus_remove_driver(drv);
 }
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 69b4ddb7de3b..3e4bc699bc0f 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -357,6 +357,7 @@ static void dpm_power_up(pm_message_t state)
 {
         struct device *dev;
 
+        mutex_lock(&dpm_list_mtx);
         list_for_each_entry(dev, &dpm_list, power.entry)
                 if (dev->power.status > DPM_OFF) {
                         int error;
@@ -366,6 +367,7 @@ static void dpm_power_up(pm_message_t state)
                         if (error)
                                 pm_dev_err(dev, state, " early", error);
                 }
+        mutex_unlock(&dpm_list_mtx);
 }
 
 /**
@@ -614,6 +616,7 @@ int device_power_down(pm_message_t state)
         int error = 0;
 
         suspend_device_irqs();
+        mutex_lock(&dpm_list_mtx);
         list_for_each_entry_reverse(dev, &dpm_list, power.entry) {
                 error = suspend_device_noirq(dev, state);
                 if (error) {
@@ -622,6 +625,7 @@ int device_power_down(pm_message_t state)
                 }
                 dev->power.status = DPM_OFF_IRQ;
         }
+        mutex_unlock(&dpm_list_mtx);
         if (error)
                 device_power_up(resume_event(state));
         return error;
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 5fab6470f4b2..26c93c75e62d 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -148,3 +148,15 @@ config HW_RANDOM_VIRTIO
 
           To compile this driver as a module, choose M here: the
           module will be called virtio-rng.  If unsure, say N.
+
+config HW_RANDOM_MXC_RNGA
+        tristate "Freescale i.MX RNGA Random Number Generator"
+        depends on HW_RANDOM && ARCH_HAS_RNGA
+        ---help---
+          This driver provides kernel-side support for the Random Number
+          Generator hardware found on Freescale i.MX processors.
+
+          To compile this driver as a module, choose M here: the
+          module will be called mxc-rnga.
+
+          If unsure, say Y.
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile
index e81d21a5f28f..fd1ecd2f6731 100644
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_HW_RANDOM_IXP4XX) += ixp4xx-rng.o
 obj-$(CONFIG_HW_RANDOM_OMAP) += omap-rng.o
 obj-$(CONFIG_HW_RANDOM_PASEMI) += pasemi-rng.o
 obj-$(CONFIG_HW_RANDOM_VIRTIO) += virtio-rng.o
+obj-$(CONFIG_HW_RANDOM_MXC_RNGA) += mxc-rnga.o
diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c
new file mode 100644
index 000000000000..187c6be80f43
--- /dev/null
+++ b/drivers/char/hw_random/mxc-rnga.c
@@ -0,0 +1,247 @@
+/*
+ * RNG driver for Freescale RNGA
+ *
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Author: Alan Carvalho de Assis <acassis@gmail.com>
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * This driver is based on other RNG drivers.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/hw_random.h>
+#include <linux/io.h>
+
+/* RNGA Registers */
+#define RNGA_CONTROL                    0x00
+#define RNGA_STATUS                     0x04
+#define RNGA_ENTROPY                    0x08
+#define RNGA_OUTPUT_FIFO                0x0c
+#define RNGA_MODE                       0x10
+#define RNGA_VERIFICATION_CONTROL       0x14
+#define RNGA_OSC_CONTROL_COUNTER        0x18
+#define RNGA_OSC1_COUNTER               0x1c
+#define RNGA_OSC2_COUNTER               0x20
+#define RNGA_OSC_COUNTER_STATUS         0x24
+
+/* RNGA Registers Range */
+#define RNG_ADDR_RANGE                  0x28
+
+/* RNGA Control Register */
+#define RNGA_CONTROL_SLEEP              0x00000010
+#define RNGA_CONTROL_CLEAR_INT          0x00000008
+#define RNGA_CONTROL_MASK_INTS          0x00000004
+#define RNGA_CONTROL_HIGH_ASSURANCE     0x00000002
+#define RNGA_CONTROL_GO                 0x00000001
+
+#define RNGA_STATUS_LEVEL_MASK          0x0000ff00
+
+/* RNGA Status Register */
+#define RNGA_STATUS_OSC_DEAD            0x80000000
+#define RNGA_STATUS_SLEEP               0x00000010
+#define RNGA_STATUS_ERROR_INT           0x00000008
+#define RNGA_STATUS_FIFO_UNDERFLOW      0x00000004
+#define RNGA_STATUS_LAST_READ_STATUS    0x00000002
+#define RNGA_STATUS_SECURITY_VIOLATION  0x00000001
+
+static struct platform_device *rng_dev;
+
+static int mxc_rnga_data_present(struct hwrng *rng)
+{
+        int level;
+        void __iomem *rng_base = (void __iomem *)rng->priv;
+
+        /* how many random numbers is in FIFO? [0-16] */
+        level = ((__raw_readl(rng_base + RNGA_STATUS) &
+                        RNGA_STATUS_LEVEL_MASK) >> 8);
+
+        return level > 0 ? 1 : 0;
+}
+
+static int mxc_rnga_data_read(struct hwrng *rng, u32 * data)
+{
+        int err;
+        u32 ctrl;
+        void __iomem *rng_base = (void __iomem *)rng->priv;
+
+        /* retrieve a random number from FIFO */
+        *data = __raw_readl(rng_base + RNGA_OUTPUT_FIFO);
+
+        /* some error while reading this random number? */
+        err = __raw_readl(rng_base + RNGA_STATUS) & RNGA_STATUS_ERROR_INT;
+
+        /* if error: clear error interrupt, but doesn't return random number */
+        if (err) {
+                dev_dbg(&rng_dev->dev, "Error while reading random number!\n");
+                ctrl = __raw_readl(rng_base + RNGA_CONTROL);
+                __raw_writel(ctrl | RNGA_CONTROL_CLEAR_INT,
+                                        rng_base + RNGA_CONTROL);
+                return 0;
+        } else
+                return 4;
+}
+
+static int mxc_rnga_init(struct hwrng *rng)
+{
+        u32 ctrl, osc;
+        void __iomem *rng_base = (void __iomem *)rng->priv;
+
+        /* wake up */
+        ctrl = __raw_readl(rng_base + RNGA_CONTROL);
+        __raw_writel(ctrl & ~RNGA_CONTROL_SLEEP, rng_base + RNGA_CONTROL);
+
+        /* verify if oscillator is working */
+        osc = __raw_readl(rng_base + RNGA_STATUS);
+        if (osc & RNGA_STATUS_OSC_DEAD) {
+                dev_err(&rng_dev->dev, "RNGA Oscillator is dead!\n");
+                return -ENODEV;
+        }
+
+        /* go running */
+        ctrl = __raw_readl(rng_base + RNGA_CONTROL);
+        __raw_writel(ctrl | RNGA_CONTROL_GO, rng_base + RNGA_CONTROL);
+
+        return 0;
+}
+
+static void mxc_rnga_cleanup(struct hwrng *rng)
+{
+        u32 ctrl;
+        void __iomem *rng_base = (void __iomem *)rng->priv;
+
+        ctrl = __raw_readl(rng_base + RNGA_CONTROL);
+
+        /* stop rnga */
+        __raw_writel(ctrl & ~RNGA_CONTROL_GO, rng_base + RNGA_CONTROL);
+}
+
+static struct hwrng mxc_rnga = {
+        .name = "mxc-rnga",
+        .init = mxc_rnga_init,
+        .cleanup = mxc_rnga_cleanup,
+        .data_present = mxc_rnga_data_present,
+        .data_read = mxc_rnga_data_read
+};
+
+static int __init mxc_rnga_probe(struct platform_device *pdev)
+{
+        int err = -ENODEV;
+        struct clk *clk;
+        struct resource *res, *mem;
+        void __iomem *rng_base = NULL;
+
+        if (rng_dev)
+                return -EBUSY;
+
+        clk = clk_get(&pdev->dev, "rng");
+        if (IS_ERR(clk)) {
+                dev_err(&pdev->dev, "Could not get rng_clk!\n");
+                err = PTR_ERR(clk);
+                goto out;
+        }
+
+        clk_enable(clk);
+
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!res) {
+                err = -ENOENT;
+                goto err_region;
+        }
+
+        mem = request_mem_region(res->start, resource_size(res), pdev->name);
+        if (mem == NULL) {
+                err = -EBUSY;
+                goto err_region;
+        }
+
+        rng_base = ioremap(res->start, resource_size(res));
+        if (!rng_base) {
+                err = -ENOMEM;
+                goto err_ioremap;
+        }
+
+        mxc_rnga.priv = (unsigned long)rng_base;
+
+        err = hwrng_register(&mxc_rnga);
+        if (err) {
+                dev_err(&pdev->dev, "MXC RNGA registering failed (%d)\n", err);
+                goto err_register;
+        }
+
+        rng_dev = pdev;
+
+        dev_info(&pdev->dev, "MXC RNGA Registered.\n");
+
+        return 0;
+
+err_register:
+        iounmap(rng_base);
+        rng_base = NULL;
+
+err_ioremap:
+        release_mem_region(res->start, resource_size(res));
+
+err_region:
+        clk_disable(clk);
+        clk_put(clk);
+
+out:
+        return err;
+}
+
+static int __exit mxc_rnga_remove(struct platform_device *pdev)
+{
+        struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        void __iomem *rng_base = (void __iomem *)mxc_rnga.priv;
+        struct clk *clk = clk_get(&pdev->dev, "rng");
+
+        hwrng_unregister(&mxc_rnga);
+
+        iounmap(rng_base);
+
+        release_mem_region(res->start, resource_size(res));
+
+        clk_disable(clk);
+        clk_put(clk);
+
+        return 0;
+}
+
+static struct platform_driver mxc_rnga_driver = {
+        .driver = {
+                   .name = "mxc_rnga",
+                   .owner = THIS_MODULE,
+                   },
+        .remove = __exit_p(mxc_rnga_remove),
+};
+
+static int __init mod_init(void)
+{
+        return platform_driver_probe(&mxc_rnga_driver, mxc_rnga_probe);
+}
+
+static void __exit mod_exit(void)
+{
+        platform_driver_unregister(&mxc_rnga_driver);
+}
+
+module_init(mod_init);
+module_exit(mod_exit);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("H/W RNGA driver for i.MX");
+MODULE_LICENSE("GPL");
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index d270e8eb3e67..47d2ad0ae079 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1070,11 +1070,11 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
         spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
 #endif
 
+        unlock_policy_rwsem_write(cpu);
+
         if (cpufreq_driver->target)
                 __cpufreq_governor(data, CPUFREQ_GOV_STOP);
 
-        unlock_policy_rwsem_write(cpu);
-
         kobject_put(&data->kobj);
 
         /* we need to make sure that the underlying kobj is actually
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 2ecd95e4ab1a..7a74d175287b 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -91,6 +91,9 @@ static unsigned int dbs_enable;	/* number of CPUs using this policy */
  * (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then
  * cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
  * is recursive for the same process. -Venki
+ * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it
+ * would deadlock with cancel_delayed_work_sync(), which is needed for proper
+ * raceless workqueue teardown.
  */
 static DEFINE_MUTEX(dbs_mutex);
 
@@ -542,7 +545,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
 {
         dbs_info->enable = 0;
-        cancel_delayed_work(&dbs_info->work);
+        cancel_delayed_work_sync(&dbs_info->work);
 }
 
 static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 338f428a15b7..e741c339df76 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -98,6 +98,9 @@ static unsigned int dbs_enable;	/* number of CPUs using this policy */
  * (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then
  * cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
  * is recursive for the same process. -Venki
+ * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it
+ * would deadlock with cancel_delayed_work_sync(), which is needed for proper
+ * raceless workqueue teardown.
  */
 static DEFINE_MUTEX(dbs_mutex);
 
@@ -562,7 +565,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
 {
         dbs_info->enable = 0;
-        cancel_delayed_work(&dbs_info->work);
+        cancel_delayed_work_sync(&dbs_info->work);
 }
 
 static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index da8a8ed9e411..f18d1bde0439 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -179,9 +179,14 @@ static void dma_halt(struct fsl_dma_chan *fsl_chan)
 static void set_ld_eol(struct fsl_dma_chan *fsl_chan,
                         struct fsl_desc_sw *desc)
 {
+        u64 snoop_bits;
+
+        snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX)
+                ? FSL_DMA_SNEN : 0;
+
         desc->hw.next_ln_addr = CPU_TO_DMA(fsl_chan,
-                DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL,
-                64);
+                DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL
+                        | snoop_bits, 64);
 }
 
 static void append_ld_queue(struct fsl_dma_chan *fsl_chan,
@@ -313,8 +318,8 @@ static void fsl_chan_toggle_ext_start(struct fsl_dma_chan *fsl_chan, int enable)
 
 static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
 {
-        struct fsl_desc_sw *desc = tx_to_fsl_desc(tx);
         struct fsl_dma_chan *fsl_chan = to_fsl_chan(tx->chan);
+        struct fsl_desc_sw *desc;
         unsigned long flags;
         dma_cookie_t cookie;
 
@@ -322,14 +327,17 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
         spin_lock_irqsave(&fsl_chan->desc_lock, flags);
 
         cookie = fsl_chan->common.cookie;
-        cookie++;
-        if (cookie < 0)
-                cookie = 1;
-        desc->async_tx.cookie = cookie;
-        fsl_chan->common.cookie = desc->async_tx.cookie;
+        list_for_each_entry(desc, &tx->tx_list, node) {
+                cookie++;
+                if (cookie < 0)
+                        cookie = 1;
 
-        append_ld_queue(fsl_chan, desc);
-        list_splice_init(&desc->async_tx.tx_list, fsl_chan->ld_queue.prev);
+                desc->async_tx.cookie = cookie;
+        }
+
+        fsl_chan->common.cookie = cookie;
+        append_ld_queue(fsl_chan, tx_to_fsl_desc(tx));
+        list_splice_init(&tx->tx_list, fsl_chan->ld_queue.prev);
 
         spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
 
@@ -454,8 +462,8 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
 {
         struct fsl_dma_chan *fsl_chan;
         struct fsl_desc_sw *first = NULL, *prev = NULL, *new;
+        struct list_head *list;
         size_t copy;
-        LIST_HEAD(link_chain);
 
         if (!chan)
                 return NULL;
@@ -472,7 +480,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
                 if (!new) {
                         dev_err(fsl_chan->dev,
                                         "No free memory for link descriptor\n");
-                        return NULL;
+                        goto fail;
                 }
 #ifdef FSL_DMA_LD_DEBUG
                 dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new);
@@ -507,7 +515,19 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
         /* Set End-of-link to the last link descriptor of new list*/
         set_ld_eol(fsl_chan, new);
 
-        return first ? &first->async_tx : NULL;
+        return &first->async_tx;
+
+fail:
+        if (!first)
+                return NULL;
+
+        list = &first->async_tx.tx_list;
+        list_for_each_entry_safe_reverse(new, prev, list, node) {
+                list_del(&new->node);
+                dma_pool_free(fsl_chan->desc_pool, new, new->async_tx.phys);
+        }
+
+        return NULL;
 }
 
 /**
@@ -598,15 +618,16 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
         dma_addr_t next_dest_addr;
         unsigned long flags;
 
+        spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+
         if (!dma_is_idle(fsl_chan))
-                return;
+                goto out_unlock;
 
         dma_halt(fsl_chan);
 
         /* If there are some link descriptors
          * not transfered in queue. We need to start it.
          */
-        spin_lock_irqsave(&fsl_chan->desc_lock, flags);
 
         /* Find the first un-transfer desciptor */
         for (ld_node = fsl_chan->ld_queue.next;
@@ -617,19 +638,20 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
                                 fsl_chan->common.cookie) == DMA_SUCCESS);
                 ld_node = ld_node->next);
 
-        spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
-
         if (ld_node != &fsl_chan->ld_queue) {
                 /* Get the ld start address from ld_queue */
                 next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys;
-                dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n",
-                                (void *)next_dest_addr);
+                dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%llx\n",
+                                (unsigned long long)next_dest_addr);
                 set_cdar(fsl_chan, next_dest_addr);
                 dma_start(fsl_chan);
         } else {
                 set_cdar(fsl_chan, 0);
                 set_ndar(fsl_chan, 0);
         }
+
+out_unlock:
+        spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
 }
 
 /**
@@ -734,8 +756,9 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
          */
         if (stat & FSL_DMA_SR_EOSI) {
                 dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n");
-                dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n",
-                        (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan));
+                dev_dbg(fsl_chan->dev, "event: clndar 0x%llx, nlndar 0x%llx\n",
+                        (unsigned long long)get_cdar(fsl_chan),
+                        (unsigned long long)get_ndar(fsl_chan));
                 stat &= ~FSL_DMA_SR_EOSI;
                 update_cookie = 1;
         }
@@ -830,7 +853,7 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev,
                         new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1);
 
         new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7;
-        if (new_fsl_chan->id > FSL_DMA_MAX_CHANS_PER_DEVICE) {
+        if (new_fsl_chan->id >= FSL_DMA_MAX_CHANS_PER_DEVICE) {
                 dev_err(fdev->dev, "There is no %d channel!\n",
                                 new_fsl_chan->id);
                 err = -EINVAL;
@@ -925,8 +948,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
         }
 
         dev_info(&dev->dev, "Probe the Freescale DMA driver for %s "
-                        "controller at %p...\n",
-                        match->compatible, (void *)fdev->reg.start);
+                        "controller at 0x%llx...\n",
+                        match->compatible, (unsigned long long)fdev->reg.start);
         fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end
                                                 - fdev->reg.start + 1);
 
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index 1955ee8d6d20..a600fc0f7962 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -173,7 +173,7 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device)
         xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale));
 
 #ifdef  CONFIG_I7300_IDLE_IOAT_CHANNEL
-        if (i7300_idle_platform_probe(NULL, NULL) == 0) {
+        if (i7300_idle_platform_probe(NULL, NULL, 1) == 0) {
                 device->common.chancnt--;
         }
 #endif
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index e5f5c5a8ba6c..956982f8739b 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -192,16 +192,20 @@ config EDAC_PPC4XX
 
 config EDAC_AMD8131
         tristate "AMD8131 HyperTransport PCI-X Tunnel"
-        depends on EDAC_MM_EDAC && PCI
+        depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
         help
           Support for error detection and correction on the
           AMD8131 HyperTransport PCI-X Tunnel chip.
+          Note, add more Kconfig dependency if it's adopted
+          on some machine other than Maple.
 
 config EDAC_AMD8111
         tristate "AMD8111 HyperTransport I/O Hub"
-        depends on EDAC_MM_EDAC && PCI
+        depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
         help
           Support for error detection and correction on the
           AMD8111 HyperTransport I/O Hub chip.
+          Note, add more Kconfig dependency if it's adopted
+          on some machine other than Maple.
 
 endif # EDAC
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index a5fdcf02f591..59076819135d 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -35,3 +35,5 @@ obj-$(CONFIG_EDAC_MPC85XX)		+= mpc85xx_edac.o
 obj-$(CONFIG_EDAC_MV64X60)              += mv64x60_edac.o
 obj-$(CONFIG_EDAC_CELL)                 += cell_edac.o
 obj-$(CONFIG_EDAC_PPC4XX)               += ppc4xx_edac.o
+obj-$(CONFIG_EDAC_AMD8111)              += amd8111_edac.o
+obj-$(CONFIG_EDAC_AMD8131)              += amd8131_edac.o
diff --git a/drivers/edac/amd8111_edac.c b/drivers/edac/amd8111_edac.c
index 614692181120..2cb58ef743e0 100644
--- a/drivers/edac/amd8111_edac.c
+++ b/drivers/edac/amd8111_edac.c
@@ -389,7 +389,7 @@ static int amd8111_dev_probe(struct pci_dev *dev,
         dev_info->edac_dev->dev = &dev_info->dev->dev;
         dev_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR;
         dev_info->edac_dev->ctl_name = dev_info->ctl_name;
-        dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id;
+        dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev);
 
         if (edac_op_state == EDAC_OPSTATE_POLL)
                 dev_info->edac_dev->edac_check = dev_info->check;
@@ -473,7 +473,7 @@ static int amd8111_pci_probe(struct pci_dev *dev,
         pci_info->edac_dev->dev = &pci_info->dev->dev;
         pci_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR;
         pci_info->edac_dev->ctl_name = pci_info->ctl_name;
-        pci_info->edac_dev->dev_name = pci_info->dev->dev.bus_id;
+        pci_info->edac_dev->dev_name = dev_name(&pci_info->dev->dev);
 
         if (edac_op_state == EDAC_OPSTATE_POLL)
                 pci_info->edac_dev->edac_check = pci_info->check;
diff --git a/drivers/edac/amd8131_edac.c b/drivers/edac/amd8131_edac.c
index c083b31cac5a..b432d60c622a 100644
--- a/drivers/edac/amd8131_edac.c
+++ b/drivers/edac/amd8131_edac.c
@@ -287,7 +287,7 @@ static int amd8131_probe(struct pci_dev *dev, const struct pci_device_id *id)
         dev_info->edac_dev->dev = &dev_info->dev->dev;
         dev_info->edac_dev->mod_name = AMD8131_EDAC_MOD_STR;
         dev_info->edac_dev->ctl_name = dev_info->ctl_name;
-        dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id;
+        dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev);
 
         if (edac_op_state == EDAC_OPSTATE_POLL)
                 dev_info->edac_dev->edac_check = amd8131_chipset.check;
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 4cd35d8fd799..f5d46e7199d4 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -67,12 +67,18 @@ config DRM_I830
           will load the correct one.
 
 config DRM_I915
+        tristate "i915 driver"
         select FB_CFB_FILLRECT
         select FB_CFB_COPYAREA
         select FB_CFB_IMAGEBLIT
         select FB
         select FRAMEBUFFER_CONSOLE if !EMBEDDED
-        tristate "i915 driver"
+        # i915 depends on ACPI_VIDEO when ACPI is enabled
+        # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+        select VIDEO_OUTPUT_CONTROL if ACPI
+        select BACKLIGHT_CLASS_DEVICE if ACPI
+        select INPUT if ACPI
+        select ACPI_VIDEO if ACPI
         help
           Choose this option if you have a system that has Intel 830M, 845G,
           852GM, 855GM 865G or 915G integrated graphics.  If M is selected, the
@@ -84,12 +90,6 @@ config DRM_I915
 config DRM_I915_KMS
         bool "Enable modesetting on intel by default"
         depends on DRM_I915
-        # i915 KMS depends on ACPI_VIDEO when ACPI is enabled
-        # but for select to work, need to select ACPI_VIDEO's dependencies, ick
-        select VIDEO_OUTPUT_CONTROL if ACPI
-        select BACKLIGHT_CLASS_DEVICE if ACPI
-        select INPUT if ACPI
-        select ACPI_VIDEO if ACPI
         help
           Choose this option if you want kernel modesetting enabled by default,
           and you have a new enough userspace to support this. Running old
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9b149fe824c3..c431fa54bbb5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -180,7 +180,8 @@ typedef struct drm_i915_private {
         int backlight_duty_cycle;  /* restore backlight to this value */
         bool panel_wants_dither;
         struct drm_display_mode *panel_fixed_mode;
-        struct drm_display_mode *vbt_mode; /* if any */
+        struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
+        struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
 
         /* Feature bits from the VBIOS */
         unsigned int int_tv_support:1;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b189b49c7602..670d12881468 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -349,7 +349,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
         last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
         num_pages = last_data_page - first_data_page + 1;
 
-        user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+        user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
         if (user_pages == NULL)
                 return -ENOMEM;
 
@@ -429,7 +429,7 @@ fail_put_user_pages:
                 SetPageDirty(user_pages[i]);
                 page_cache_release(user_pages[i]);
         }
-        kfree(user_pages);
+        drm_free_large(user_pages);
 
         return ret;
 }
@@ -649,7 +649,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
         last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
         num_pages = last_data_page - first_data_page + 1;
 
-        user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+        user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
         if (user_pages == NULL)
                 return -ENOMEM;
 
@@ -719,7 +719,7 @@ out_unlock:
 out_unpin_pages:
         for (i = 0; i < pinned_pages; i++)
                 page_cache_release(user_pages[i]);
-        kfree(user_pages);
+        drm_free_large(user_pages);
 
         return ret;
 }
@@ -824,7 +824,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
         last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
         num_pages = last_data_page - first_data_page + 1;
 
-        user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+        user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
         if (user_pages == NULL)
                 return -ENOMEM;
 
@@ -902,7 +902,7 @@ fail_unlock:
 fail_put_user_pages:
         for (i = 0; i < pinned_pages; i++)
                 page_cache_release(user_pages[i]);
-        kfree(user_pages);
+        drm_free_large(user_pages);
 
         return ret;
 }
@@ -1145,7 +1145,14 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
                         mutex_unlock(&dev->struct_mutex);
                         return VM_FAULT_SIGBUS;
                 }
-                list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+
+                ret = i915_gem_object_set_to_gtt_domain(obj, write);
+                if (ret) {
+                        mutex_unlock(&dev->struct_mutex);
+                        return VM_FAULT_SIGBUS;
+                }
+
+                list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
         }
 
         /* Need a new fence register? */
@@ -1375,7 +1382,7 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
                         mutex_unlock(&dev->struct_mutex);
                         return ret;
                 }
-                list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+                list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
         }
 
         drm_gem_object_unreference(obj);
@@ -1408,9 +1415,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
                 }
         obj_priv->dirty = 0;
 
-        drm_free(obj_priv->pages,
-                 page_count * sizeof(struct page *),
-                 DRM_MEM_DRIVER);
+        drm_free_large(obj_priv->pages);
         obj_priv->pages = NULL;
 }
 
@@ -2024,8 +2029,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj)
          */
         page_count = obj->size / PAGE_SIZE;
         BUG_ON(obj_priv->pages != NULL);
-        obj_priv->pages = drm_calloc(page_count, sizeof(struct page *),
-                                     DRM_MEM_DRIVER);
+        obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *));
         if (obj_priv->pages == NULL) {
                 DRM_ERROR("Faled to allocate page list\n");
                 obj_priv->pages_refcount--;
@@ -2131,8 +2135,10 @@ static void i830_write_fence_reg(struct drm_i915_fence_reg *reg)
                 return;
         }
 
-        pitch_val = (obj_priv->stride / 128) - 1;
-        WARN_ON(pitch_val & ~0x0000000f);
+        pitch_val = obj_priv->stride / 128;
+        pitch_val = ffs(pitch_val) - 1;
+        WARN_ON(pitch_val > I830_FENCE_MAX_PITCH_VAL);
+
         val = obj_priv->gtt_offset;
         if (obj_priv->tiling_mode == I915_TILING_Y)
                 val |= 1 << I830_FENCE_TILING_Y_SHIFT;
@@ -2424,6 +2430,16 @@ i915_gem_clflush_object(struct drm_gem_object *obj)
         if (obj_priv->pages == NULL)
                 return;
 
+        /* XXX: The 865 in particular appears to be weird in how it handles
+         * cache flushing.  We haven't figured it out, but the
+         * clflush+agp_chipset_flush doesn't appear to successfully get the
+         * data visible to the PGU, while wbinvd + agp_chipset_flush does.
+         */
+        if (IS_I865G(obj->dev)) {
+                wbinvd();
+                return;
+        }
+
         drm_clflush_pages(obj_priv->pages, obj->size / PAGE_SIZE);
 }
 
@@ -3111,7 +3127,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
                 reloc_count += exec_list[i].relocation_count;
         }
 
-        *relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER);
+        *relocs = drm_calloc_large(reloc_count, sizeof(**relocs));
         if (*relocs == NULL)
                 return -ENOMEM;
 
@@ -3125,8 +3141,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
                                      exec_list[i].relocation_count *
                                      sizeof(**relocs));
                 if (ret != 0) {
-                        drm_free(*relocs, reloc_count * sizeof(**relocs),
-                                 DRM_MEM_DRIVER);
+                        drm_free_large(*relocs);
                         *relocs = NULL;
                         return -EFAULT;
                 }
@@ -3165,7 +3180,7 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
         }
 
 err:
-        drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER);
+        drm_free_large(relocs);
 
         return ret;
 }
@@ -3198,10 +3213,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
                 return -EINVAL;
         }
         /* Copy in the exec list from userland */
-        exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
-                               DRM_MEM_DRIVER);
-        object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
-                                 DRM_MEM_DRIVER);
+        exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count);
+        object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count);
         if (exec_list == NULL || object_list == NULL) {
                 DRM_ERROR("Failed to allocate exec or object list "
                           "for %d buffers\n",
@@ -3462,10 +3475,8 @@ err:
         }
 
 pre_mutex_err:
-        drm_free(object_list, sizeof(*object_list) * args->buffer_count,
-                 DRM_MEM_DRIVER);
-        drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
-                 DRM_MEM_DRIVER);
+        drm_free_large(object_list);
+        drm_free_large(exec_list);
         drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects,
                  DRM_MEM_DRIVER);
 
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 52a059354e83..540dd336e6ec 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -213,7 +213,8 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
         if (tiling_mode == I915_TILING_NONE)
                 return true;
 
-        if (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
+        if (!IS_I9XX(dev) ||
+            (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)))
                 tile_width = 128;
         else
                 tile_width = 512;
@@ -225,11 +226,18 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
                 if (stride / 128 > I965_FENCE_MAX_PITCH_VAL)
                         return false;
         } else if (IS_I9XX(dev)) {
-                if (stride / tile_width > I830_FENCE_MAX_PITCH_VAL ||
+                uint32_t pitch_val = ffs(stride / tile_width) - 1;
+
+                /* XXX: For Y tiling, FENCE_MAX_PITCH_VAL is actually 6 (8KB)
+                 * instead of 4 (2KB) on 945s.
+                 */
+                if (pitch_val > I915_FENCE_MAX_PITCH_VAL ||
                     size > (I830_FENCE_MAX_SIZE_VAL << 20))
                         return false;
         } else {
-                if (stride / 128 > I830_FENCE_MAX_PITCH_VAL ||
+                uint32_t pitch_val = ffs(stride / tile_width) - 1;
+
+                if (pitch_val > I830_FENCE_MAX_PITCH_VAL ||
                     size > (I830_FENCE_MAX_SIZE_VAL << 19))
                         return false;
         }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 15da44cf21b1..375569d01d01 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -190,7 +190,8 @@
 #define   I830_FENCE_SIZE_BITS(size)    ((ffs((size) >> 19) - 1) << 8)
 #define   I830_FENCE_PITCH_SHIFT        4
 #define   I830_FENCE_REG_VALID          (1<<0)
-#define   I830_FENCE_MAX_PITCH_VAL      0x10
+#define   I915_FENCE_MAX_PITCH_VAL      0x10
+#define   I830_FENCE_MAX_PITCH_VAL      6
 #define   I830_FENCE_MAX_SIZE_VAL       (1<<8)
 
 #define   I915_FENCE_START_MASK         0x0ff00000
@@ -1410,9 +1411,25 @@
 
 /* Cursor A & B regs */
 #define CURACNTR                0x70080
+/* Old style CUR*CNTR flags (desktop 8xx) */
+#define   CURSOR_ENABLE         0x80000000
+#define   CURSOR_GAMMA_ENABLE   0x40000000
+#define   CURSOR_STRIDE_MASK    0x30000000
+#define   CURSOR_FORMAT_SHIFT   24
+#define   CURSOR_FORMAT_MASK    (0x07 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_2C      (0x00 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_3C      (0x01 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_4C      (0x02 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_ARGB    (0x04 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_XRGB    (0x05 << CURSOR_FORMAT_SHIFT)
+/* New style CUR*CNTR flags */
+#define   CURSOR_MODE           0x27
 #define   CURSOR_MODE_DISABLE   0x00
 #define   CURSOR_MODE_64_32B_AX 0x07
 #define   CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
+#define   MCURSOR_PIPE_SELECT   (1 << 28)
+#define   MCURSOR_PIPE_A        0x00
+#define   MCURSOR_PIPE_B        (1 << 28)
 #define   MCURSOR_GAMMA_ENABLE  (1 << 26)
 #define CURABASE                0x70084
 #define CURAPOS                 0x70088
@@ -1420,6 +1437,7 @@
 #define   CURSOR_POS_SIGN       0x8000
 #define   CURSOR_X_SHIFT        0
 #define   CURSOR_Y_SHIFT        16
+#define CURSIZE                 0x700a0
 #define CURBCNTR                0x700c0
 #define CURBBASE                0x700c4
 #define CURBPOS                 0x700c8
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index fc28e2bbd542..9d78cff33b24 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -57,9 +57,43 @@ find_section(struct bdb_header *bdb, int section_id)
         return NULL;
 }
 
-/* Try to find panel data */
 static void
-parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
+fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
+                        struct lvds_dvo_timing *dvo_timing)
+{
+        panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
+                dvo_timing->hactive_lo;
+        panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
+                ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
+        panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
+                dvo_timing->hsync_pulse_width;
+        panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
+                ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+
+        panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
+                dvo_timing->vactive_lo;
+        panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
+                dvo_timing->vsync_off;
+        panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
+                dvo_timing->vsync_pulse_width;
+        panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
+                ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
+        panel_fixed_mode->clock = dvo_timing->clock * 10;
+        panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+
+        /* Some VBTs have bogus h/vtotal values */
+        if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
+                panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
+        if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
+                panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+
+        drm_mode_set_name(panel_fixed_mode);
+}
+
+/* Try to find integrated panel data */
+static void
+parse_lfp_panel_data(struct drm_i915_private *dev_priv,
+                            struct bdb_header *bdb)
 {
         struct bdb_lvds_options *lvds_options;
         struct bdb_lvds_lfp_data *lvds_lfp_data;
@@ -91,38 +125,45 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
         panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
                                       DRM_MEM_DRIVER);
 
-        panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
-                dvo_timing->hactive_lo;
-        panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
-                ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
-        panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
-                dvo_timing->hsync_pulse_width;
-        panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
-                ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+        fill_detail_timing_data(panel_fixed_mode, dvo_timing);
 
-        panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
-                dvo_timing->vactive_lo;
-        panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
-                dvo_timing->vsync_off;
-        panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
-                dvo_timing->vsync_pulse_width;
-        panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
-                ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
-        panel_fixed_mode->clock = dvo_timing->clock * 10;
-        panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+        dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
 
-        /* Some VBTs have bogus h/vtotal values */
-        if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
-                panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
-        if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
-                panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+        DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
+        drm_mode_debug_printmodeline(panel_fixed_mode);
 
-        drm_mode_set_name(panel_fixed_mode);
+        return;
+}
+
+/* Try to find sdvo panel data */
+static void
+parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
+                      struct bdb_header *bdb)
+{
+        struct bdb_sdvo_lvds_options *sdvo_lvds_options;
+        struct lvds_dvo_timing *dvo_timing;
+        struct drm_display_mode *panel_fixed_mode;
 
-        dev_priv->vbt_mode = panel_fixed_mode;
+        dev_priv->sdvo_lvds_vbt_mode = NULL;
 
-        DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
-        drm_mode_debug_printmodeline(panel_fixed_mode);
+        sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
+        if (!sdvo_lvds_options)
+                return;
+
+        dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
+        if (!dvo_timing)
+                return;
+
+        panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
+                                      DRM_MEM_DRIVER);
+
+        if (!panel_fixed_mode)
+                return;
+
+        fill_detail_timing_data(panel_fixed_mode,
+                        dvo_timing + sdvo_lvds_options->panel_type);
+
+        dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
 
         return;
 }
@@ -199,7 +240,8 @@ intel_init_bios(struct drm_device *dev)
 
         /* Grab useful general definitions */
         parse_general_features(dev_priv, bdb);
-        parse_panel_data(dev_priv, bdb);
+        parse_lfp_panel_data(dev_priv, bdb);
+        parse_sdvo_panel_data(dev_priv, bdb);
 
         pci_unmap_rom(pdev, bios);
 
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index de621aad85b5..8ca2cde15804 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -279,6 +279,23 @@ struct vch_bdb_22 {
         struct vch_panel_data panels[16];
 } __attribute__((packed));
 
+struct bdb_sdvo_lvds_options {
+        u8 panel_backlight;
+        u8 h40_set_panel_type;
+        u8 panel_type;
+        u8 ssc_clk_freq;
+        u16 als_low_trip;
+        u16 als_high_trip;
+        u8 sclalarcoeff_tab_row_num;
+        u8 sclalarcoeff_tab_row_size;
+        u8 coefficient[8];
+        u8 panel_misc_bits_1;
+        u8 panel_misc_bits_2;
+        u8 panel_misc_bits_3;
+        u8 panel_misc_bits_4;
+} __attribute__((packed));
+
+
 bool intel_init_bios(struct drm_device *dev);
 
 /*
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 19148c3df637..640f5158effc 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -198,9 +198,142 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
         return intel_ddc_probe(intel_output);
 }
 
+static enum drm_connector_status
+intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output)
+{
+        struct drm_encoder *encoder = &intel_output->enc;
+        struct drm_device *dev = encoder->dev;
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+        uint32_t pipe = intel_crtc->pipe;
+        uint32_t save_bclrpat;
+        uint32_t save_vtotal;
+        uint32_t vtotal, vactive;
+        uint32_t vsample;
+        uint32_t vblank, vblank_start, vblank_end;
+        uint32_t dsl;
+        uint32_t bclrpat_reg;
+        uint32_t vtotal_reg;
+        uint32_t vblank_reg;
+        uint32_t vsync_reg;
+        uint32_t pipeconf_reg;
+        uint32_t pipe_dsl_reg;
+        uint8_t st00;
+        enum drm_connector_status status;
+
+        if (pipe == 0) {
+                bclrpat_reg = BCLRPAT_A;
+                vtotal_reg = VTOTAL_A;
+                vblank_reg = VBLANK_A;
+                vsync_reg = VSYNC_A;
+                pipeconf_reg = PIPEACONF;
+                pipe_dsl_reg = PIPEADSL;
+        } else {
+                bclrpat_reg = BCLRPAT_B;
+                vtotal_reg = VTOTAL_B;
+                vblank_reg = VBLANK_B;
+                vsync_reg = VSYNC_B;
+                pipeconf_reg = PIPEBCONF;
+                pipe_dsl_reg = PIPEBDSL;
+        }
+
+        save_bclrpat = I915_READ(bclrpat_reg);
+        save_vtotal = I915_READ(vtotal_reg);
+        vblank = I915_READ(vblank_reg);
+
+        vtotal = ((save_vtotal >> 16) & 0xfff) + 1;
+        vactive = (save_vtotal & 0x7ff) + 1;
+
+        vblank_start = (vblank & 0xfff) + 1;
+        vblank_end = ((vblank >> 16) & 0xfff) + 1;
+
+        /* Set the border color to purple. */
+        I915_WRITE(bclrpat_reg, 0x500050);
+
+        if (IS_I9XX(dev)) {
+                uint32_t pipeconf = I915_READ(pipeconf_reg);
+                I915_WRITE(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER);
+                /* Wait for next Vblank to substitue
+                 * border color for Color info */
+                intel_wait_for_vblank(dev);
+                st00 = I915_READ8(VGA_MSR_WRITE);
+                status = ((st00 & (1 << 4)) != 0) ?
+                        connector_status_connected :
+                        connector_status_disconnected;
+
+                I915_WRITE(pipeconf_reg, pipeconf);
+        } else {
+                bool restore_vblank = false;
+                int count, detect;
+
+                /*
+                * If there isn't any border, add some.
+                * Yes, this will flicker
+                */
+                if (vblank_start <= vactive && vblank_end >= vtotal) {
+                        uint32_t vsync = I915_READ(vsync_reg);
+                        uint32_t vsync_start = (vsync & 0xffff) + 1;
+
+                        vblank_start = vsync_start;
+                        I915_WRITE(vblank_reg,
+                                   (vblank_start - 1) |
+                                   ((vblank_end - 1) << 16));
+                        restore_vblank = true;
+                }
+                /* sample in the vertical border, selecting the larger one */
+                if (vblank_start - vactive >= vtotal - vblank_end)
+                        vsample = (vblank_start + vactive) >> 1;
+                else
+                        vsample = (vtotal + vblank_end) >> 1;
+
+                /*
+                 * Wait for the border to be displayed
+                 */
+                while (I915_READ(pipe_dsl_reg) >= vactive)
+                        ;
+                while ((dsl = I915_READ(pipe_dsl_reg)) <= vsample)
+                        ;
+                /*
+                 * Watch ST00 for an entire scanline
+                 */
+                detect = 0;
+                count = 0;
+                do {
+                        count++;
+                        /* Read the ST00 VGA status register */
+                        st00 = I915_READ8(VGA_MSR_WRITE);
+                        if (st00 & (1 << 4))
+                                detect++;
+                } while ((I915_READ(pipe_dsl_reg) == dsl));
+
+                /* restore vblank if necessary */
+                if (restore_vblank)
+                        I915_WRITE(vblank_reg, vblank);
+                /*
+                 * If more than 3/4 of the scanline detected a monitor,
+                 * then it is assumed to be present. This works even on i830,
+                 * where there isn't any way to force the border color across
+                 * the screen
+                 */
+                status = detect * 4 > count * 3 ?
+                         connector_status_connected :
+                         connector_status_disconnected;
+        }
+
+        /* Restore previous settings */
+        I915_WRITE(bclrpat_reg, save_bclrpat);
+
+        return status;
+}
+
 static enum drm_connector_status intel_crt_detect(struct drm_connector *connector)
 {
         struct drm_device *dev = connector->dev;
+        struct intel_output *intel_output = to_intel_output(connector);
+        struct drm_encoder *encoder = &intel_output->enc;
+        struct drm_crtc *crtc;
+        int dpms_mode;
+        enum drm_connector_status status;
 
         if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
                 if (intel_crt_detect_hotplug(connector))
@@ -212,8 +345,20 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
         if (intel_crt_detect_ddc(connector))
                 return connector_status_connected;
 
-        /* TODO use load detect */
-        return connector_status_unknown;
+        /* for pre-945g platforms use load detect */
+        if (encoder->crtc && encoder->crtc->enabled) {
+                status = intel_crt_load_detect(encoder->crtc, intel_output);
+        } else {
+                crtc = intel_get_load_detect_pipe(intel_output,
+                                                  NULL, &dpms_mode);
+                if (crtc) {
+                        status = intel_crt_load_detect(crtc, intel_output);
+                        intel_release_load_detect_pipe(intel_output, dpms_mode);
+                } else
+                        status = connector_status_unknown;
+        }
+
+        return status;
 }
 
 static void intel_crt_destroy(struct drm_connector *connector)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3387cf32f385..c9d6f10ba92e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1357,7 +1357,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
         int pipe = intel_crtc->pipe;
         uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
         uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
-        uint32_t temp;
+        uint32_t temp = I915_READ(control);
         size_t addr;
         int ret;
 
@@ -1366,7 +1366,12 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
         /* if we want to turn off the cursor ignore width and height */
         if (!handle) {
                 DRM_DEBUG("cursor off\n");
-                temp = CURSOR_MODE_DISABLE;
+                if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+                        temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
+                        temp |= CURSOR_MODE_DISABLE;
+                } else {
+                        temp &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE);
+                }
                 addr = 0;
                 bo = NULL;
                 mutex_lock(&dev->struct_mutex);
@@ -1409,10 +1414,19 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
                 addr = obj_priv->phys_obj->handle->busaddr;
         }
 
-        temp = 0;
-        /* set the pipe for the cursor */
-        temp |= (pipe << 28);
-        temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+        if (!IS_I9XX(dev))
+                I915_WRITE(CURSIZE, (height << 12) | width);
+
+        /* Hooray for CUR*CNTR differences */
+        if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+                temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
+                temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+                temp |= (pipe << 28); /* Connect to correct pipe */
+        } else {
+                temp &= ~(CURSOR_FORMAT_MASK);
+                temp |= CURSOR_ENABLE;
+                temp |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE;
+        }
 
  finish:
         I915_WRITE(control, temp);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 439a86514993..53731f0ffcb5 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -511,10 +511,10 @@ void intel_lvds_init(struct drm_device *dev)
         }
 
         /* Failed to get EDID, what about VBT? */
-        if (dev_priv->vbt_mode) {
+        if (dev_priv->lfp_lvds_vbt_mode) {
                 mutex_lock(&dev->mode_config.mutex);
                 dev_priv->panel_fixed_mode =
-                        drm_mode_duplicate(dev, dev_priv->vbt_mode);
+                        drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
                 mutex_unlock(&dev->mode_config.mutex);
                 if (dev_priv->panel_fixed_mode) {
                         dev_priv->panel_fixed_mode->type |=
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 9913651c1e17..f3ef6bfd8ffc 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -69,6 +69,10 @@ struct intel_sdvo_priv {
          * This is set if we treat the device as HDMI, instead of DVI.
          */
         bool is_hdmi;
+        /**
+         * This is set if we detect output of sdvo device as LVDS.
+         */
+        bool is_lvds;
 
         /**
          * Returned SDTV resolutions allowed for the current format, if the
@@ -1398,10 +1402,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
 {
         struct intel_output *intel_output = to_intel_output(connector);
-        struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 
         /* set the bus switch and get the modes */
-        intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
         intel_ddc_get_modes(intel_output);
 
 #if 0
@@ -1543,6 +1545,37 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
                 }
 }
 
+static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
+{
+        struct intel_output *intel_output = to_intel_output(connector);
+        struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+        struct drm_i915_private *dev_priv = connector->dev->dev_private;
+
+        /*
+         * Attempt to get the mode list from DDC.
+         * Assume that the preferred modes are
+         * arranged in priority order.
+         */
+        /* set the bus switch and get the modes */
+        intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
+        intel_ddc_get_modes(intel_output);
+        if (list_empty(&connector->probed_modes) == false)
+                return;
+
+        /* Fetch modes from VBT */
+        if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
+                struct drm_display_mode *newmode;
+                newmode = drm_mode_duplicate(connector->dev,
+                                             dev_priv->sdvo_lvds_vbt_mode);
+                if (newmode != NULL) {
+                        /* Guarantee the mode is preferred */
+                        newmode->type = (DRM_MODE_TYPE_PREFERRED |
+                                         DRM_MODE_TYPE_DRIVER);
+                        drm_mode_probed_add(connector, newmode);
+                }
+        }
+}
+
 static int intel_sdvo_get_modes(struct drm_connector *connector)
 {
         struct intel_output *output = to_intel_output(connector);
@@ -1550,6 +1583,8 @@ static int intel_sdvo_get_modes(struct drm_connector *connector)
 
         if (sdvo_priv->is_tv)
                 intel_sdvo_get_tv_modes(connector);
+        else if (sdvo_priv->is_lvds == true)
+                intel_sdvo_get_lvds_modes(connector);
         else
                 intel_sdvo_get_ddc_modes(connector);
 
@@ -1564,6 +1599,9 @@ static void intel_sdvo_destroy(struct drm_connector *connector)
 
         if (intel_output->i2c_bus)
                 intel_i2c_destroy(intel_output->i2c_bus);
+        if (intel_output->ddc_bus)
+                intel_i2c_destroy(intel_output->ddc_bus);
+
         drm_sysfs_connector_remove(connector);
         drm_connector_cleanup(connector);
         kfree(intel_output);
@@ -1660,12 +1698,56 @@ intel_sdvo_get_digital_encoding_mode(struct intel_output *output)
         return true;
 }
 
+static struct intel_output *
+intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan)
+{
+        struct drm_device *dev = chan->drm_dev;
+        struct drm_connector *connector;
+        struct intel_output *intel_output = NULL;
+
+        list_for_each_entry(connector,
+                        &dev->mode_config.connector_list, head) {
+                if (to_intel_output(connector)->ddc_bus == chan) {
+                        intel_output = to_intel_output(connector);
+                        break;
+                }
+        }
+        return intel_output;
+}
+
+static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
+                                  struct i2c_msg msgs[], int num)
+{
+        struct intel_output *intel_output;
+        struct intel_sdvo_priv *sdvo_priv;
+        struct i2c_algo_bit_data *algo_data;
+        struct i2c_algorithm *algo;
+
+        algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
+        intel_output =
+                intel_sdvo_chan_to_intel_output(
+                                (struct intel_i2c_chan *)(algo_data->data));
+        if (intel_output == NULL)
+                return -EINVAL;
+
+        sdvo_priv = intel_output->dev_priv;
+        algo = (struct i2c_algorithm *)intel_output->i2c_bus->adapter.algo;
+
+        intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
+        return algo->master_xfer(i2c_adap, msgs, num);
+}
+
+static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
+        .master_xfer    = intel_sdvo_master_xfer,
+};
+
 bool intel_sdvo_init(struct drm_device *dev, int output_device)
 {
         struct drm_connector *connector;
         struct intel_output *intel_output;
         struct intel_sdvo_priv *sdvo_priv;
         struct intel_i2c_chan *i2cbus = NULL;
+        struct intel_i2c_chan *ddcbus = NULL;
         int connector_type;
         u8 ch[0x40];
         int i;
@@ -1676,17 +1758,9 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 return false;
         }
 
-        connector = &intel_output->base;
-
-        drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
-                           DRM_MODE_CONNECTOR_Unknown);
-        drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
         sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
         intel_output->type = INTEL_OUTPUT_SDVO;
 
-        connector->interlace_allowed = 0;
-        connector->doublescan_allowed = 0;
-
         /* setup the DDC bus. */
         if (output_device == SDVOB)
                 i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
@@ -1694,7 +1768,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
 
         if (!i2cbus)
-                goto err_connector;
+                goto err_inteloutput;
 
         sdvo_priv->i2c_bus = i2cbus;
 
@@ -1710,7 +1784,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
         intel_output->i2c_bus = i2cbus;
         intel_output->dev_priv = sdvo_priv;
 
-
         /* Read the regs to test if we can talk to the device */
         for (i = 0; i < 0x40; i++) {
                 if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
@@ -1720,6 +1793,22 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 }
         }
 
+        /* setup the DDC bus. */
+        if (output_device == SDVOB)
+                ddcbus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
+        else
+                ddcbus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
+
+        if (ddcbus == NULL)
+                goto err_i2c;
+
+        intel_sdvo_i2c_bit_algo.functionality =
+                intel_output->i2c_bus->adapter.algo->functionality;
+        ddcbus->adapter.algo = &intel_sdvo_i2c_bit_algo;
+        intel_output->ddc_bus = ddcbus;
+
+        /* In defaut case sdvo lvds is false */
+        sdvo_priv->is_lvds = false;
         intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
 
         if (sdvo_priv->caps.output_flags &
@@ -1729,7 +1818,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 else
                         sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
 
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_TMDS;
                 connector_type = DRM_MODE_CONNECTOR_DVID;
 
@@ -1747,7 +1835,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_SVID0)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_TVDAC;
                 connector_type = DRM_MODE_CONNECTOR_SVIDEO;
                 sdvo_priv->is_tv = true;
@@ -1756,30 +1843,28 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_DAC;
                 connector_type = DRM_MODE_CONNECTOR_VGA;
         }
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_DAC;
                 connector_type = DRM_MODE_CONNECTOR_VGA;
         }
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS0)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_LVDS;
                 connector_type = DRM_MODE_CONNECTOR_LVDS;
+                sdvo_priv->is_lvds = true;
         }
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS1)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_LVDS;
                 connector_type = DRM_MODE_CONNECTOR_LVDS;
+                sdvo_priv->is_lvds = true;
         }
         else
         {
@@ -1795,9 +1880,16 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 goto err_i2c;
         }
 
+        connector = &intel_output->base;
+        drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
+                           connector_type);
+        drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
+        connector->interlace_allowed = 0;
+        connector->doublescan_allowed = 0;
+        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+
         drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type);
         drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
-        connector->connector_type = connector_type;
 
         drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
         drm_sysfs_connector_add(connector);
@@ -1829,14 +1921,13 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                   sdvo_priv->caps.output_flags &
                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
 
-        intel_output->ddc_bus = i2cbus;
-
         return true;
 
 err_i2c:
+        if (ddcbus != NULL)
+                intel_i2c_destroy(intel_output->ddc_bus);
         intel_i2c_destroy(intel_output->i2c_bus);
-err_connector:
-        drm_connector_cleanup(connector);
+err_inteloutput:
         kfree(intel_output);
 
         return false;
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index b5e3b2851698..a1787fdf5b9f 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -182,7 +182,7 @@ static struct platform_driver lm78_isa_driver = {
                 .name   = "lm78",
         },
         .probe          = lm78_isa_probe,
-        .remove         = lm78_isa_remove,
+        .remove         = __devexit_p(lm78_isa_remove),
 };
 
 
diff --git a/drivers/ide/ide-pci-generic.c b/drivers/ide/ide-pci-generic.c
index 61111fd27130..39d4e01f5c9c 100644
--- a/drivers/ide/ide-pci-generic.c
+++ b/drivers/ide/ide-pci-generic.c
@@ -33,6 +33,16 @@ static int ide_generic_all;		/* Set to claim all devices */
 module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
 MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
 
+static void netcell_quirkproc(ide_drive_t *drive)
+{
+        /* mark words 85-87 as valid */
+        drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;
+}
+
+static const struct ide_port_ops netcell_port_ops = {
+        .quirkproc              = netcell_quirkproc,
+};
+
 #define DECLARE_GENERIC_PCI_DEV(extra_flags) \
         { \
                 .name           = DRV_NAME, \
@@ -74,6 +84,7 @@ static const struct ide_port_info generic_chipsets[] __devinitdata = {
 
         {       /* 6: Revolution */
                 .name           = DRV_NAME,
+                .port_ops       = &netcell_port_ops,
                 .host_flags     = IDE_HFLAG_CLEAR_SIMPLEX |
                                   IDE_HFLAG_TRUST_BIOS_FOR_DMA |
                                   IDE_HFLAG_OFF_BOARD,
diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c
index bf740394d704..949c97ff57e3 100644
--- a/drivers/idle/i7300_idle.c
+++ b/drivers/idle/i7300_idle.c
@@ -41,6 +41,10 @@ static int debug;
 module_param_named(debug, debug, uint, 0644);
 MODULE_PARM_DESC(debug, "Enable debug printks in this driver");
 
+static int forceload;
+module_param_named(forceload, forceload, uint, 0644);
+MODULE_PARM_DESC(debug, "Enable driver testing on unvalidated i5000");
+
 #define dprintk(fmt, arg...) \
         do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0)
 
@@ -552,7 +556,7 @@ static int __init i7300_idle_init(void)
         cpus_clear(idle_cpumask);
         total_us = 0;
 
-        if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev))
+        if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev, forceload))
                 return -ENODEV;
 
         if (i7300_idle_thrt_save())
diff --git a/drivers/input/input.c b/drivers/input/input.c
index e54e002665b0..5d445f48789b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -42,6 +42,7 @@ static unsigned int input_abs_bypass_init_data[] __initdata = {
         ABS_MT_POSITION_Y,
         ABS_MT_TOOL_TYPE,
         ABS_MT_BLOB_ID,
+        ABS_MT_TRACKING_ID,
         0
 };
 static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 67248c31e19a..be5bbbb8ae4e 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -210,7 +210,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
         timeout = wait_event_timeout(ps2dev->wait,
                                      !(ps2dev->flags & PS2_FLAG_CMD1), timeout);
 
-        if (ps2dev->cmdcnt && timeout > 0) {
+        if (ps2dev->cmdcnt && !(ps2dev->flags & PS2_FLAG_CMD1)) {
 
                 timeout = ps2_adjust_timeout(ps2dev, command, timeout);
                 wait_event_timeout(ps2dev->wait,
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index f100c7f4c1db..6954f5500108 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -419,7 +419,7 @@ static int ucb1400_ts_remove(struct platform_device *dev)
 #ifdef CONFIG_PM
 static int ucb1400_ts_resume(struct platform_device *dev)
 {
-        struct ucb1400_ts *ucb = platform_get_drvdata(dev);
+        struct ucb1400_ts *ucb = dev->dev.platform_data;
 
         if (ucb->ts_task) {
                 /*
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index b171e75cb52e..29808c4fb1cb 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -175,7 +175,7 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
                 return -EINVAL;
         }
         src = iwb->read;
-        if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
+        if (unlikely(limit >= BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
                      (read < src && limit >= src))) {
                 pr_err("isoc write buffer frame reservation violated\n");
                 return -EFAULT;
diff --git a/drivers/leds/leds-h1940.c b/drivers/leds/leds-h1940.c
index 1aa46a390a0d..173d104d9ff2 100644
--- a/drivers/leds/leds-h1940.c
+++ b/drivers/leds/leds-h1940.c
@@ -16,6 +16,8 @@
 #include <linux/string.h>
 #include <linux/ctype.h>
 #include <linux/leds.h>
+#include <linux/gpio.h>
+
 #include <mach/regs-gpio.h>
 #include <mach/hardware.h>
 #include <mach/h1940-latch.h>
diff --git a/drivers/leds/leds-s3c24xx.c b/drivers/leds/leds-s3c24xx.c
index aa2e7ae0cdae..aa7acf3b9224 100644
--- a/drivers/leds/leds-s3c24xx.c
+++ b/drivers/leds/leds-s3c24xx.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
+#include <linux/gpio.h>
 
 #include <mach/hardware.h>
 #include <mach/regs-gpio.h>
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index 1a83910f674f..eaf722fe309a 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -358,6 +358,16 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu)
                         if (emulate_insn(cpu))
                                 return;
                 }
+                /* If KVM is active, the vmcall instruction triggers a
+                 * General Protection Fault.  Normally it triggers an
+                 * invalid opcode fault (6): */
+        case 6:
+                /* We need to check if ring == GUEST_PL and
+                 * faulting instruction == vmcall. */
+                if (is_hypercall(cpu)) {
+                        rewrite_hypercall(cpu);
+                        return;
+                }
                 break;
         case 14: /* We've intercepted a Page Fault. */
                 /* The Guest accessed a virtual address that wasn't mapped.
@@ -403,15 +413,6 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu)
                  * up the pointer now to indicate a hypercall is pending. */
                 cpu->hcall = (struct hcall_args *)cpu->regs;
                 return;
-        case 6:
-                /* kvm hypercalls trigger an invalid opcode fault (6).
-                 * We need to check if ring == GUEST_PL and
-                 * faulting instruction == vmcall. */
-                if (is_hypercall(cpu)) {
-                        rewrite_hypercall(cpu);
-                        return;
-                }
-                break;
         }
 
         /* We didn't handle the trap, so it needs to go to the Guest. */
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 47c68bc75a17..56df1cee8fb3 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1097,14 +1097,12 @@ void bitmap_daemon_work(struct bitmap *bitmap)
         }
         bitmap->allclean = 1;
 
+        spin_lock_irqsave(&bitmap->lock, flags);
         for (j = 0; j < bitmap->chunks; j++) {
                 bitmap_counter_t *bmc;
-                spin_lock_irqsave(&bitmap->lock, flags);
-                if (!bitmap->filemap) {
+                if (!bitmap->filemap)
                         /* error or shutdown */
-                        spin_unlock_irqrestore(&bitmap->lock, flags);
                         break;
-                }
 
                 page = filemap_get_page(bitmap, j);
 
@@ -1121,6 +1119,8 @@ void bitmap_daemon_work(struct bitmap *bitmap)
                                         write_page(bitmap, page, 0);
                                         bitmap->allclean = 0;
                                 }
+                                spin_lock_irqsave(&bitmap->lock, flags);
+                                j |= (PAGE_BITS - 1);
                                 continue;
                         }
 
@@ -1181,9 +1181,10 @@ void bitmap_daemon_work(struct bitmap *bitmap)
                                         ext2_clear_bit(file_page_offset(j), paddr);
                                 kunmap_atomic(paddr, KM_USER0);
                         }
-                }
-                spin_unlock_irqrestore(&bitmap->lock, flags);
+                } else
+                        j |= PAGE_COUNTER_MASK;
         }
+        spin_unlock_irqrestore(&bitmap->lock, flags);
 
         /* now sync the final page */
         if (lastpage != NULL) {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index fccc8343a250..641b211fe3fe 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1375,6 +1375,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
 
         sb->raid_disks = cpu_to_le32(mddev->raid_disks);
         sb->size = cpu_to_le64(mddev->dev_sectors);
+        sb->chunksize = cpu_to_le32(mddev->chunk_size >> 9);
+        sb->level = cpu_to_le32(mddev->level);
+        sb->layout = cpu_to_le32(mddev->layout);
 
         if (mddev->bitmap && mddev->bitmap_file == NULL) {
                 sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_offset);
@@ -3303,7 +3306,9 @@ static ssize_t
 action_show(mddev_t *mddev, char *page)
 {
         char *type = "idle";
-        if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
+        if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
+                type = "frozen";
+        else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
             (!mddev->ro && test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))) {
                 if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
                         type = "reshape";
@@ -3326,7 +3331,12 @@ action_store(mddev_t *mddev, const char *page, size_t len)
         if (!mddev->pers || !mddev->pers->sync_request)
                 return -EINVAL;
 
-        if (cmd_match(page, "idle")) {
+        if (cmd_match(page, "frozen"))
+                set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+        else
+                clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+
+        if (cmd_match(page, "idle") || cmd_match(page, "frozen")) {
                 if (mddev->sync_thread) {
                         set_bit(MD_RECOVERY_INTR, &mddev->recovery);
                         md_unregister_thread(mddev->sync_thread);
@@ -3680,7 +3690,7 @@ array_size_store(mddev_t *mddev, const char *buf, size_t len)
                 if (strict_blocks_to_sectors(buf, &sectors) < 0)
                         return -EINVAL;
                 if (mddev->pers && mddev->pers->size(mddev, 0, 0) < sectors)
-                        return -EINVAL;
+                        return -E2BIG;
 
                 mddev->external_size = 1;
         }
@@ -5557,7 +5567,7 @@ static struct block_device_operations md_fops =
         .owner          = THIS_MODULE,
         .open           = md_open,
         .release        = md_release,
-        .locked_ioctl   = md_ioctl,
+        .ioctl          = md_ioctl,
         .getgeo         = md_getgeo,
         .media_changed  = md_media_changed,
         .revalidate_disk= md_revalidate,
@@ -6352,12 +6362,13 @@ void md_do_sync(mddev_t *mddev)
 
                 skipped = 0;
 
-                if ((mddev->curr_resync > mddev->curr_resync_completed &&
-                     (mddev->curr_resync - mddev->curr_resync_completed)
-                    > (max_sectors >> 4)) ||
-                    (j - mddev->curr_resync_completed)*2
-                    >= mddev->resync_max - mddev->curr_resync_completed
-                        ) {
+                if (!test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
+                    ((mddev->curr_resync > mddev->curr_resync_completed &&
+                      (mddev->curr_resync - mddev->curr_resync_completed)
+                      > (max_sectors >> 4)) ||
+                     (j - mddev->curr_resync_completed)*2
+                     >= mddev->resync_max - mddev->curr_resync_completed
+                            )) {
                         /* time to update curr_resync_completed */
                         blk_unplug(mddev->queue);
                         wait_event(mddev->recovery_wait,
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 4616bc3a6e71..5d400aef8d9b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3811,13 +3811,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
         safepos = conf->reshape_safe;
         sector_div(safepos, data_disks);
         if (mddev->delta_disks < 0) {
-                writepos -= reshape_sectors;
+                writepos -= min_t(sector_t, reshape_sectors, writepos);
                 readpos += reshape_sectors;
                 safepos += reshape_sectors;
         } else {
                 writepos += reshape_sectors;
-                readpos -= reshape_sectors;
-                safepos -= reshape_sectors;
+                readpos -= min_t(sector_t, reshape_sectors, readpos);
+                safepos -= min_t(sector_t, reshape_sectors, safepos);
         }
 
         /* 'writepos' is the most advanced device address we might write.
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 9d48da2fb013..57835f5715fc 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -758,10 +758,14 @@ config VIDEO_MX1
         ---help---
           This is a v4l2 driver for the i.MX1/i.MXL CMOS Sensor Interface
 
+config MX3_VIDEO
+        bool
+
 config VIDEO_MX3
         tristate "i.MX3x Camera Sensor Interface driver"
         depends on VIDEO_DEV && MX3_IPU && SOC_CAMERA
         select VIDEOBUF_DMA_CONTIG
+        select MX3_VIDEO
         ---help---
           This is a v4l2 driver for the i.MX3x Camera Sensor Interface
 
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index b4cf691f3f64..3eb87bda14f3 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -155,7 +155,7 @@ config MMC_ATMELMCI_DMA
 
 config MMC_IMX
         tristate "Motorola i.MX Multimedia Card Interface support"
-        depends on ARCH_IMX
+        depends on ARCH_MX1
         help
           This selects the Motorola i.MX Multimedia card Interface.
           If you have a i.MX platform with a Multimedia Card slot,
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index e62a22a7f00c..2f19c635bc6e 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1073,7 +1073,6 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
         mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
         mmc->max_seg_size = mmc->max_req_size;
 
-        mmc->ocr_avail = mmc_slot(host).ocr_mask;
         mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED;
 
         if (pdata->slots[host->slot_id].wires >= 8)
@@ -1110,13 +1109,14 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
                 goto err_irq;
         }
 
+        /* initialize power supplies, gpios, etc */
         if (pdata->init != NULL) {
                 if (pdata->init(&pdev->dev) != 0) {
-                        dev_dbg(mmc_dev(host->mmc),
-                                "Unable to configure MMC IRQs\n");
+                        dev_dbg(mmc_dev(host->mmc), "late init error\n");
                         goto err_irq_cd_init;
                 }
         }
+        mmc->ocr_avail = mmc_slot(host).ocr_mask;
 
         /* Request IRQ for card detect */
         if ((mmc_slot(host).card_detect_irq)) {
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 2db166b7096f..4eb4f37544ab 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -17,6 +17,7 @@
 #include <linux/mmc/host.h>
 #include <linux/platform_device.h>
 #include <linux/cpufreq.h>
+#include <linux/gpio.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 
@@ -789,7 +790,7 @@ static void s3cmci_dma_setup(struct s3cmci_host *host,
 
         last_source = source;
 
-        s3c2410_dma_devconfig(host->dma, source, 3,
+        s3c2410_dma_devconfig(host->dma, source,
                               host->mem->start + host->sdidata);
 
         if (!setup_ok) {
@@ -1121,7 +1122,7 @@ static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         case MMC_POWER_OFF:
         default:
                 s3c2410_gpio_setpin(S3C2410_GPE5, 0);
-                s3c2410_gpio_cfgpin(S3C2410_GPE5, S3C2410_GPE5_OUTP);
+                s3c2410_gpio_cfgpin(S3C2410_GPE5, S3C2410_GPIO_OUTPUT);
 
                 if (host->is2440)
                         mci_con |= S3C2440_SDICON_SDRESET;
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index f3548d048014..40c26080ecda 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -831,6 +831,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
                 break;
 
         case NAND_CMD_READID:
+                host->col_addr = 0;
                 send_read_id(host);
                 break;
 
@@ -867,6 +868,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
         mtd->priv = this;
         mtd->owner = THIS_MODULE;
         mtd->dev.parent = &pdev->dev;
+        mtd->name = "mxc_nand";
 
         /* 50 us command delay time */
         this->chip_delay = 5;
@@ -882,8 +884,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
         this->verify_buf = mxc_nand_verify_buf;
 
         host->clk = clk_get(&pdev->dev, "nfc");
-        if (IS_ERR(host->clk))
+        if (IS_ERR(host->clk)) {
+                err = PTR_ERR(host->clk);
                 goto eclk;
+        }
 
         clk_enable(host->clk);
         host->clk_act = 1;
@@ -896,7 +900,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 
         host->regs = ioremap(res->start, res->end - res->start + 1);
         if (!host->regs) {
-                err = -EIO;
+                err = -ENOMEM;
                 goto eres;
         }
 
@@ -1011,30 +1015,35 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM
 static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
 {
-        struct mtd_info *info = platform_get_drvdata(pdev);
+        struct mtd_info *mtd = platform_get_drvdata(pdev);
+        struct nand_chip *nand_chip = mtd->priv;
+        struct mxc_nand_host *host = nand_chip->priv;
         int ret = 0;
 
         DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
-        if (info)
-                ret = info->suspend(info);
-
-        /* Disable the NFC clock */
-        clk_disable(nfc_clk);   /* FIXME */
+        if (mtd) {
+                ret = mtd->suspend(mtd);
+                /* Disable the NFC clock */
+                clk_disable(host->clk);
+        }
 
         return ret;
 }
 
 static int mxcnd_resume(struct platform_device *pdev)
 {
-        struct mtd_info *info = platform_get_drvdata(pdev);
+        struct mtd_info *mtd = platform_get_drvdata(pdev);
+        struct nand_chip *nand_chip = mtd->priv;
+        struct mxc_nand_host *host = nand_chip->priv;
         int ret = 0;
 
         DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
-        /* Enable the NFC clock */
-        clk_enable(nfc_clk);    /* FIXME */
 
-        if (info)
-                info->resume(info);
+        if (mtd) {
+                /* Enable the NFC clock */
+                clk_enable(host->clk);
+                mtd->resume(mtd);
+        }
 
         return ret;
 }
@@ -1055,13 +1064,7 @@ static struct platform_driver mxcnd_driver = {
 
 static int __init mxc_nd_init(void)
 {
-        /* Register the device driver structure. */
-        pr_info("MXC MTD nand Driver\n");
-        if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
-                printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
-                return -ENODEV;
-        }
-        return 0;
+        return platform_driver_probe(&mxcnd_driver, mxcnd_probe);
 }
 
 static void __exit mxc_nd_cleanup(void)
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index f2e9de1414df..6391e3dc8002 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -39,7 +39,6 @@
 #include <mach/gpmc.h>
 #include <mach/onenand.h>
 #include <mach/gpio.h>
-#include <mach/pm.h>
 
 #include <mach/dma.h>
 
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index fbb371921991..682aad897081 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -480,9 +480,13 @@ static int pnp_registered;
 
 #ifdef CONFIG_EISA
 static struct eisa_device_id el3_eisa_ids[] = {
+                { "TCM5090" },
+                { "TCM5091" },
                 { "TCM5092" },
                 { "TCM5093" },
+                { "TCM5094" },
                 { "TCM5095" },
+                { "TCM5098" },
                 { "" }
 };
 MODULE_DEVICE_TABLE(eisa, el3_eisa_ids);
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 1fc4602a6ff2..a1c25cb4669f 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -102,7 +102,7 @@ obj-$(CONFIG_HAMACHI) += hamachi.o
 obj-$(CONFIG_NET) += Space.o loopback.o
 obj-$(CONFIG_SEEQ8005) += seeq8005.o
 obj-$(CONFIG_NET_SB1000) += sb1000.o
-obj-$(CONFIG_MAC8390) += mac8390.o 8390.o
+obj-$(CONFIG_MAC8390) += mac8390.o
 obj-$(CONFIG_APNE) += apne.o 8390.o
 obj-$(CONFIG_PCMCIA_PCNET) += 8390.o
 obj-$(CONFIG_HP100) += hp100.o
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index a740053d3af3..b6d188115caf 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -456,7 +456,8 @@ static inline void queue_put_desc(unsigned int queue, u32 phys,
         debug_desc(phys, desc);
         BUG_ON(phys & 0x1F);
         qmgr_put_entry(queue, phys);
-        BUG_ON(qmgr_stat_overflow(queue));
+        /* Don't check for queue overflow here, we've allocated sufficient
+           length and queues >= 32 don't support this check anyway. */
 }
 
 
@@ -512,8 +513,8 @@ static int eth_poll(struct napi_struct *napi, int budget)
 #endif
                         napi_complete(napi);
                         qmgr_enable_irq(rxq);
-                        if (!qmgr_stat_empty(rxq) &&
-                            napi_reschedule(napi)) {
+                        if (!qmgr_stat_below_low_watermark(rxq) &&
+                            napi_reschedule(napi)) { /* not empty again */
 #if DEBUG_RX
                                 printk(KERN_DEBUG "%s: eth_poll"
                                        " napi_reschedule successed\n",
@@ -630,9 +631,9 @@ static void eth_txdone_irq(void *unused)
                         port->tx_buff_tab[n_desc] = NULL;
                 }
 
-                start = qmgr_stat_empty(port->plat->txreadyq);
+                start = qmgr_stat_below_low_watermark(port->plat->txreadyq);
                 queue_put_desc(port->plat->txreadyq, phys, desc);
-                if (start) {
+                if (start) { /* TX-ready queue was empty */
 #if DEBUG_TX
                         printk(KERN_DEBUG "%s: eth_txdone_irq xmit ready\n",
                                port->netdev->name);
@@ -708,13 +709,14 @@ static int eth_xmit(struct sk_buff *skb, struct net_device *dev)
         queue_put_desc(TX_QUEUE(port->id), tx_desc_phys(port, n), desc);
         dev->trans_start = jiffies;
 
-        if (qmgr_stat_empty(txreadyq)) {
+        if (qmgr_stat_below_low_watermark(txreadyq)) { /* empty */
 #if DEBUG_TX
                 printk(KERN_DEBUG "%s: eth_xmit queue full\n", dev->name);
 #endif
                 netif_stop_queue(dev);
                 /* we could miss TX ready interrupt */
-                if (!qmgr_stat_empty(txreadyq)) {
+                /* really empty in fact */
+                if (!qmgr_stat_below_low_watermark(txreadyq)) {
 #if DEBUG_TX
                         printk(KERN_DEBUG "%s: eth_xmit ready again\n",
                                dev->name);
@@ -814,29 +816,29 @@ static int request_queues(struct port *port)
         int err;
 
         err = qmgr_request_queue(RXFREE_QUEUE(port->id), RX_DESCS, 0, 0,
-                            "%s:RX-free", port->netdev->name);
+                                 "%s:RX-free", port->netdev->name);
         if (err)
                 return err;
 
         err = qmgr_request_queue(port->plat->rxq, RX_DESCS, 0, 0,
-                            "%s:RX", port->netdev->name);
+                                 "%s:RX", port->netdev->name);
         if (err)
                 goto rel_rxfree;
 
         err = qmgr_request_queue(TX_QUEUE(port->id), TX_DESCS, 0, 0,
-                            "%s:TX", port->netdev->name);
+                                 "%s:TX", port->netdev->name);
         if (err)
                 goto rel_rx;
 
         err = qmgr_request_queue(port->plat->txreadyq, TX_DESCS, 0, 0,
-                            "%s:TX-ready", port->netdev->name);
+                                 "%s:TX-ready", port->netdev->name);
         if (err)
                 goto rel_tx;
 
         /* TX-done queue handles skbs sent out by the NPEs */
         if (!ports_open) {
                 err = qmgr_request_queue(TXDONE_QUEUE, TXDONE_QUEUE_LEN, 0, 0,
-                                    "%s:TX-done", DRV_NAME);
+                                         "%s:TX-done", DRV_NAME);
                 if (err)
                         goto rel_txready;
         }
diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
index fb57b750866b..1342418fb209 100644
--- a/drivers/net/atl1e/atl1e_main.c
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -37,6 +37,7 @@ char atl1e_driver_version[] = DRV_VERSION;
  */
 static struct pci_device_id atl1e_pci_tbl[] = {
         {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)},
+        {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)},
         /* required last entry */
         { 0 }
 };
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 0ab22540bf59..4e817126e280 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -82,6 +82,12 @@
 
 #include "atl1.h"
 
+#define ATLX_DRIVER_VERSION "2.1.3"
+MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
+        Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(ATLX_DRIVER_VERSION);
+
 /* Temporary hack for merging atl1 and atl2 */
 #include "atlx.c"
 
diff --git a/drivers/net/atlx/atlx.h b/drivers/net/atlx/atlx.h
index 297a03da6b7f..14054b75aa62 100644
--- a/drivers/net/atlx/atlx.h
+++ b/drivers/net/atlx/atlx.h
@@ -29,12 +29,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 
-#define ATLX_DRIVER_VERSION "2.1.3"
-MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
-        Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(ATLX_DRIVER_VERSION);
-
 #define ATLX_ERR_PHY                    2
 #define ATLX_ERR_PHY_SPEED              7
 #define ATLX_ERR_PHY_RES                8
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 9f971ed6b58d..b4da18213324 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -979,22 +979,7 @@ static int bfin_mac_open(struct net_device *dev)
         return 0;
 }
 
-static const struct net_device_ops bfin_mac_netdev_ops = {
-        .ndo_open               = bfin_mac_open,
-        .ndo_stop               = bfin_mac_close,
-        .ndo_start_xmit         = bfin_mac_hard_start_xmit,
-        .ndo_set_mac_address    = bfin_mac_set_mac_address,
-        .ndo_tx_timeout         = bfin_mac_timeout,
-        .ndo_set_multicast_list = bfin_mac_set_multicast_list,
-        .ndo_validate_addr      = eth_validate_addr,
-        .ndo_change_mtu         = eth_change_mtu,
-#ifdef CONFIG_NET_POLL_CONTROLLER
-        .ndo_poll_controller    = bfin_mac_poll,
-#endif
-};
-
 /*
- *
  * this makes the board clean up everything that it can
  * and not talk to the outside world.   Caused by
  * an 'ifconfig ethX down'
@@ -1019,6 +1004,20 @@ static int bfin_mac_close(struct net_device *dev)
         return 0;
 }
 
+static const struct net_device_ops bfin_mac_netdev_ops = {
+        .ndo_open               = bfin_mac_open,
+        .ndo_stop               = bfin_mac_close,
+        .ndo_start_xmit         = bfin_mac_hard_start_xmit,
+        .ndo_set_mac_address    = bfin_mac_set_mac_address,
+        .ndo_tx_timeout         = bfin_mac_timeout,
+        .ndo_set_multicast_list = bfin_mac_set_multicast_list,
+        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_change_mtu         = eth_change_mtu,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+        .ndo_poll_controller    = bfin_mac_poll,
+#endif
+};
+
 static int __devinit bfin_mac_probe(struct platform_device *pdev)
 {
         struct net_device *ndev;
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 714df2b675e6..c888e97c9671 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -85,8 +85,8 @@ struct fl_pg_chunk {
         struct page *page;
         void *va;
         unsigned int offset;
-        u64 *p_cnt;
-        DECLARE_PCI_UNMAP_ADDR(mapping);
+        unsigned long *p_cnt;
+        dma_addr_t mapping;
 };
 
 struct rx_desc;
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 7ea48414c6cb..17858b9a5830 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2496,14 +2496,16 @@ static void check_link_status(struct adapter *adapter)
         for_each_port(adapter, i) {
                 struct net_device *dev = adapter->port[i];
                 struct port_info *p = netdev_priv(dev);
+                int link_fault;
 
                 spin_lock_irq(&adapter->work_lock);
-                if (p->link_fault) {
+                link_fault = p->link_fault;
+                spin_unlock_irq(&adapter->work_lock);
+
+                if (link_fault) {
                         t3_link_fault(adapter, i);
-                        spin_unlock_irq(&adapter->work_lock);
                         continue;
                 }
-                spin_unlock_irq(&adapter->work_lock);
 
                 if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) {
                         t3_xgm_intr_disable(adapter, i);
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 26d3587f3399..b3ee2bc1a005 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -355,7 +355,7 @@ static void clear_rx_desc(struct pci_dev *pdev, const struct sge_fl *q,
                 (*d->pg_chunk.p_cnt)--;
                 if (!*d->pg_chunk.p_cnt)
                         pci_unmap_page(pdev,
-                                       pci_unmap_addr(&d->pg_chunk, mapping),
+                                       d->pg_chunk.mapping,
                                        q->alloc_size, PCI_DMA_FROMDEVICE);
 
                 put_page(d->pg_chunk.page);
@@ -454,7 +454,7 @@ static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q,
                 q->pg_chunk.offset = 0;
                 mapping = pci_map_page(adapter->pdev, q->pg_chunk.page,
                                        0, q->alloc_size, PCI_DMA_FROMDEVICE);
-                pci_unmap_addr_set(&q->pg_chunk, mapping, mapping);
+                q->pg_chunk.mapping = mapping;
         }
         sd->pg_chunk = q->pg_chunk;
 
@@ -511,8 +511,7 @@ static int refill_fl(struct adapter *adap, struct sge_fl *q, int n, gfp_t gfp)
 nomem:                          q->alloc_failed++;
                                 break;
                         }
-                        mapping = pci_unmap_addr(&sd->pg_chunk, mapping) +
-                                                 sd->pg_chunk.offset;
+                        mapping = sd->pg_chunk.mapping + sd->pg_chunk.offset;
                         pci_unmap_addr_set(sd, dma_addr, mapping);
 
                         add_one_rx_chunk(mapping, d, q->gen);
@@ -881,7 +880,7 @@ recycle:
         (*sd->pg_chunk.p_cnt)--;
         if (!*sd->pg_chunk.p_cnt)
                 pci_unmap_page(adap->pdev,
-                               pci_unmap_addr(&sd->pg_chunk, mapping),
+                               sd->pg_chunk.mapping,
                                fl->alloc_size,
                                PCI_DMA_FROMDEVICE);
         if (!skb) {
@@ -2096,7 +2095,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
         (*sd->pg_chunk.p_cnt)--;
         if (!*sd->pg_chunk.p_cnt)
                 pci_unmap_page(adap->pdev,
-                               pci_unmap_addr(&sd->pg_chunk, mapping),
+                               sd->pg_chunk.mapping,
                                fl->alloc_size,
                                PCI_DMA_FROMDEVICE);
 
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 4f68aeb2679a..4950d5d789ae 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1274,6 +1274,11 @@ void t3_link_fault(struct adapter *adapter, int port_id)
                                  A_XGM_INT_STATUS + mac->offset);
         link_fault &= F_LINKFAULTCHANGE;
 
+        link_ok = lc->link_ok;
+        speed = lc->speed;
+        duplex = lc->duplex;
+        fc = lc->fc;
+
         phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
 
         if (link_fault) {
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index b1419e21b46b..fffb006b7d95 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -4027,8 +4027,9 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
                                  PCI_DMA_FROMDEVICE);
 
                 length = le16_to_cpu(rx_desc->length);
-
-                if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
+                /* !EOP means multiple descriptors were used to store a single
+                 * packet, also make sure the frame isn't just CRC only */
+                if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
                         /* All receives must fit into a single buffer */
                         E1000_DBG("%s: Receive packet consumed multiple"
                                   " buffers\n", netdev->name);
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index f9a846b1b92f..9f6a68fb7b45 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -897,6 +897,12 @@ enum {
 };
 static int phy_cross = NV_CROSSOVER_DETECTION_DISABLED;
 
+/*
+ * Power down phy when interface is down (persists through reboot;
+ * older Linux and other OSes may not power it up again)
+ */
+static int phy_power_down = 0;
+
 static inline struct fe_priv *get_nvpriv(struct net_device *dev)
 {
         return netdev_priv(dev);
@@ -1485,7 +1491,10 @@ static int phy_init(struct net_device *dev)
 
         /* restart auto negotiation, power down phy */
         mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
-        mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE | BMCR_PDOWN);
+        mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE);
+        if (phy_power_down) {
+                mii_control |= BMCR_PDOWN;
+        }
         if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) {
                 return PHY_ERROR;
         }
@@ -5513,7 +5522,7 @@ static int nv_close(struct net_device *dev)
 
         nv_drain_rxtx(dev);
 
-        if (np->wolenabled) {
+        if (np->wolenabled || !phy_power_down) {
                 writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags);
                 nv_start_rx(dev);
         } else {
@@ -6367,6 +6376,8 @@ module_param(dma_64bit, int, 0);
 MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0.");
 module_param(phy_cross, int, 0);
 MODULE_PARM_DESC(phy_cross, "Phy crossover detection for Realtek 8201 phy is enabled by setting to 1 and disabled by setting to 0.");
+module_param(phy_power_down, int, 0);
+MODULE_PARM_DESC(phy_power_down, "Power down phy and disable link when interface is down (1), or leave phy powered up (0).");
 
 MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>");
 MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver");
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index b2c49679bba7..a0519184e54e 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1885,8 +1885,17 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
 
                         if (unlikely(!newskb))
                                 newskb = skb;
-                        else if (skb)
+                        else if (skb) {
+                                /*
+                                 * We need to reset ->data to what it
+                                 * was before gfar_new_skb() re-aligned
+                                 * it to an RXBUF_ALIGNMENT boundary
+                                 * before we put the skb back on the
+                                 * recycle list.
+                                 */
+                                skb->data = skb->head + NET_SKB_PAD;
                                 __skb_queue_head(&priv->rx_recycle, skb);
+                        }
                 } else {
                         /* Increment the number of packets */
                         dev->stats.rx_packets++;
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 0642d52aef5c..cf352961ae9b 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -259,7 +259,7 @@ extern const char gfar_driver_version[];
 (IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \
  IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \
  | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR \
- | IEVENT_MAG)
+ | IEVENT_MAG | IEVENT_BABR)
 
 #define IMASK_INIT_CLEAR        0x00000000
 #define IMASK_BABR              0x80000000
diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c
index 8e884869a05b..22e74a0e0361 100644
--- a/drivers/net/mac8390.c
+++ b/drivers/net/mac8390.c
@@ -304,7 +304,7 @@ struct net_device * __init mac8390_probe(int unit)
         if (!MACH_IS_MAC)
                 return ERR_PTR(-ENODEV);
 
-        dev = alloc_ei_netdev();
+        dev = ____alloc_ei_netdev(0);
         if (!dev)
                 return ERR_PTR(-ENOMEM);
 
@@ -481,15 +481,15 @@ void cleanup_module(void)
 static const struct net_device_ops mac8390_netdev_ops = {
         .ndo_open               = mac8390_open,
         .ndo_stop               = mac8390_close,
-        .ndo_start_xmit         = ei_start_xmit,
-        .ndo_tx_timeout         = ei_tx_timeout,
-        .ndo_get_stats          = ei_get_stats,
-        .ndo_set_multicast_list = ei_set_multicast_list,
+        .ndo_start_xmit         = __ei_start_xmit,
+        .ndo_tx_timeout         = __ei_tx_timeout,
+        .ndo_get_stats          = __ei_get_stats,
+        .ndo_set_multicast_list = __ei_set_multicast_list,
         .ndo_validate_addr      = eth_validate_addr,
         .ndo_set_mac_address    = eth_mac_addr,
         .ndo_change_mtu         = eth_change_mtu,
 #ifdef CONFIG_NET_POLL_CONTROLLER
-        .ndo_poll_controller    = ei_poll,
+        .ndo_poll_controller    = __ei_poll,
 #endif
 };
 
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index ac6fc499b280..e5c98a98ad37 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -426,7 +426,7 @@ void mlx4_en_poll_tx_cq(unsigned long data)
 
         INC_PERF_COUNTER(priv->pstats.tx_poll);
 
-        if (!spin_trylock(&ring->comp_lock)) {
+        if (!spin_trylock_irq(&ring->comp_lock)) {
                 mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
                 return;
         }
@@ -439,7 +439,7 @@ void mlx4_en_poll_tx_cq(unsigned long data)
         if (inflight && priv->port_up)
                 mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
 
-        spin_unlock(&ring->comp_lock);
+        spin_unlock_irq(&ring->comp_lock);
 }
 
 static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv,
@@ -482,9 +482,9 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
 
         /* Poll the CQ every mlx4_en_TX_MODER_POLL packets */
         if ((++ring->poll_cnt & (MLX4_EN_TX_POLL_MODER - 1)) == 0)
-                if (spin_trylock(&ring->comp_lock)) {
+                if (spin_trylock_irq(&ring->comp_lock)) {
                         mlx4_en_process_tx_cq(priv->dev, cq);
-                        spin_unlock(&ring->comp_lock);
+                        spin_unlock_irq(&ring->comp_lock);
                 }
 }
 
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 0b6e8c896835..8247a945a1d9 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -3554,54 +3554,64 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
         int handled = 0;
         int status;
 
+        /* loop handling interrupts until we have no new ones or
+         * we hit a invalid/hotplug case.
+         */
         status = RTL_R16(IntrStatus);
+        while (status && status != 0xffff) {
+                handled = 1;
 
-        /* hotplug/major error/no more work/shared irq */
-        if ((status == 0xffff) || !status)
-                goto out;
-
-        handled = 1;
+                /* Handle all of the error cases first. These will reset
+                 * the chip, so just exit the loop.
+                 */
+                if (unlikely(!netif_running(dev))) {
+                        rtl8169_asic_down(ioaddr);
+                        break;
+                }
 
-        if (unlikely(!netif_running(dev))) {
-                rtl8169_asic_down(ioaddr);
-                goto out;
-        }
+                /* Work around for rx fifo overflow */
+                if (unlikely(status & RxFIFOOver) &&
+                (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
+                        netif_stop_queue(dev);
+                        rtl8169_tx_timeout(dev);
+                        break;
+                }
 
-        status &= tp->intr_mask;
-        RTL_W16(IntrStatus,
-                (status & RxFIFOOver) ? (status | RxOverflow) : status);
+                if (unlikely(status & SYSErr)) {
+                        rtl8169_pcierr_interrupt(dev);
+                        break;
+                }
 
-        if (!(status & tp->intr_event))
-                goto out;
+                if (status & LinkChg)
+                        rtl8169_check_link_status(dev, tp, ioaddr);
 
-        /* Work around for rx fifo overflow */
-        if (unlikely(status & RxFIFOOver) &&
-            (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
-                netif_stop_queue(dev);
-                rtl8169_tx_timeout(dev);
-                goto out;
-        }
+                /* We need to see the lastest version of tp->intr_mask to
+                 * avoid ignoring an MSI interrupt and having to wait for
+                 * another event which may never come.
+                 */
+                smp_rmb();
+                if (status & tp->intr_mask & tp->napi_event) {
+                        RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
+                        tp->intr_mask = ~tp->napi_event;
+
+                        if (likely(napi_schedule_prep(&tp->napi)))
+                                __napi_schedule(&tp->napi);
+                        else if (netif_msg_intr(tp)) {
+                                printk(KERN_INFO "%s: interrupt %04x in poll\n",
+                                dev->name, status);
+                        }
+                }
 
-        if (unlikely(status & SYSErr)) {
-                rtl8169_pcierr_interrupt(dev);
-                goto out;
+                /* We only get a new MSI interrupt when all active irq
+                 * sources on the chip have been acknowledged. So, ack
+                 * everything we've seen and check if new sources have become
+                 * active to avoid blocking all interrupts from the chip.
+                 */
+                RTL_W16(IntrStatus,
+                        (status & RxFIFOOver) ? (status | RxOverflow) : status);
+                status = RTL_R16(IntrStatus);
         }
 
-        if (status & LinkChg)
-                rtl8169_check_link_status(dev, tp, ioaddr);
-
-        if (status & tp->napi_event) {
-                RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
-                tp->intr_mask = ~tp->napi_event;
-
-                if (likely(napi_schedule_prep(&tp->napi)))
-                        __napi_schedule(&tp->napi);
-                else if (netif_msg_intr(tp)) {
-                        printk(KERN_INFO "%s: interrupt %04x in poll\n",
-                               dev->name, status);
-                }
-        }
-out:
         return IRQ_RETVAL(handled);
 }
 
@@ -3617,13 +3627,15 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
 
         if (work_done < budget) {
                 napi_complete(napi);
-                tp->intr_mask = 0xffff;
-                /*
-                 * 20040426: the barrier is not strictly required but the
-                 * behavior of the irq handler could be less predictable
-                 * without it. Btw, the lack of flush for the posted pci
-                 * write is safe - FR
+
+                /* We need for force the visibility of tp->intr_mask
+                 * for other CPUs, as we can loose an MSI interrupt
+                 * and potentially wait for a retransmit timeout if we don't.
+                 * The posted write to IntrMask is safe, as it will
+                 * eventually make it to the chip and we won't loose anything
+                 * until it does.
                  */
+                tp->intr_mask = 0xffff;
                 smp_wmb();
                 RTL_W16(IntrMask, tp->intr_event);
         }
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 765a7f5d6aa4..a6dc317083d3 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -579,7 +579,8 @@ static inline void queue_put_desc(unsigned int queue, u32 phys,
         debug_desc(phys, desc);
         BUG_ON(phys & 0x1F);
         qmgr_put_entry(queue, phys);
-        BUG_ON(qmgr_stat_overflow(queue));
+        /* Don't check for queue overflow here, we've allocated sufficient
+           length and queues >= 32 don't support this check anyway. */
 }
 
 
@@ -789,10 +790,10 @@ static void hss_hdlc_txdone_irq(void *pdev)
                 free_buffer_irq(port->tx_buff_tab[n_desc]);
                 port->tx_buff_tab[n_desc] = NULL;
 
-                start = qmgr_stat_empty(port->plat->txreadyq);
+                start = qmgr_stat_below_low_watermark(port->plat->txreadyq);
                 queue_put_desc(port->plat->txreadyq,
                                tx_desc_phys(port, n_desc), desc);
-                if (start) {
+                if (start) { /* TX-ready queue was empty */
 #if DEBUG_TX
                         printk(KERN_DEBUG "%s: hss_hdlc_txdone_irq xmit"
                                " ready\n", dev->name);
@@ -867,13 +868,13 @@ static int hss_hdlc_xmit(struct sk_buff *skb, struct net_device *dev)
         queue_put_desc(queue_ids[port->id].tx, tx_desc_phys(port, n), desc);
         dev->trans_start = jiffies;
 
-        if (qmgr_stat_empty(txreadyq)) {
+        if (qmgr_stat_below_low_watermark(txreadyq)) { /* empty */
 #if DEBUG_TX
                 printk(KERN_DEBUG "%s: hss_hdlc_xmit queue full\n", dev->name);
 #endif
                 netif_stop_queue(dev);
                 /* we could miss TX ready interrupt */
-                if (!qmgr_stat_empty(txreadyq)) {
+                if (!qmgr_stat_below_low_watermark(txreadyq)) {
 #if DEBUG_TX
                         printk(KERN_DEBUG "%s: hss_hdlc_xmit ready again\n",
                                dev->name);
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index ca4151a9e222..17851321b7fd 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -505,27 +505,52 @@ int i2400mu_suspend(struct usb_interface *iface, pm_message_t pm_msg)
 #ifdef CONFIG_PM
         struct usb_device *usb_dev = i2400mu->usb_dev;
 #endif
+        unsigned is_autosuspend = 0;
         struct i2400m *i2400m = &i2400mu->i2400m;
 
+#ifdef CONFIG_PM
+        if (usb_dev->auto_pm > 0)
+                is_autosuspend = 1;
+#endif
+
         d_fnstart(3, dev, "(iface %p pm_msg %u)\n", iface, pm_msg.event);
         if (i2400m->updown == 0)
                 goto no_firmware;
-        d_printf(1, dev, "fw up, requesting standby\n");
+        if (i2400m->state == I2400M_SS_DATA_PATH_CONNECTED && is_autosuspend) {
+                /* ugh -- the device is connected and this suspend
+                 * request is an autosuspend one (not a system standby
+                 * / hibernate).
+                 *
+                 * The only way the device can go to standby is if the
+                 * link with the base station is in IDLE mode; that
+                 * were the case, we'd be in status
+                 * I2400M_SS_CONNECTED_IDLE. But we are not.
+                 *
+                 * If we *tell* him to go power save now, it'll reset
+                 * as a precautionary measure, so if this is an
+                 * autosuspend thing, say no and it'll come back
+                 * later, when the link is IDLE
+                 */
+                result = -EBADF;
+                d_printf(1, dev, "fw up, link up, not-idle, autosuspend: "
+                         "not entering powersave\n");
+                goto error_not_now;
+        }
+        d_printf(1, dev, "fw up: entering powersave\n");
         atomic_dec(&i2400mu->do_autopm);
         result = i2400m_cmd_enter_powersave(i2400m);
         atomic_inc(&i2400mu->do_autopm);
-#ifdef CONFIG_PM
-        if (result < 0 && usb_dev->auto_pm == 0) {
+        if (result < 0 && !is_autosuspend) {
                 /* System suspend, can't fail */
                 dev_err(dev, "failed to suspend, will reset on resume\n");
                 result = 0;
         }
-#endif
         if (result < 0)
                 goto error_enter_powersave;
         i2400mu_notification_release(i2400mu);
-        d_printf(1, dev, "fw up, got standby\n");
+        d_printf(1, dev, "powersave requested\n");
 error_enter_powersave:
+error_not_now:
 no_firmware:
         d_fnend(3, dev, "(iface %p pm_msg %u) = %d\n",
                 iface, pm_msg.event, result);
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 8a0823588c51..3d94e7dfea69 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -430,6 +430,7 @@ config RTL8187
           ASUS P5B Deluxe
           Toshiba Satellite Pro series of laptops
           Asus Wireless Link
+          Linksys WUSB54GC-EU
 
           Thanks to Realtek for their support!
 
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index d73475739127..9eabf4d1f2e7 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -6467,6 +6467,7 @@ static int airo_get_encode(struct net_device *dev,
 {
         struct airo_info *local = dev->ml_priv;
         int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
+        int wep_key_len;
         u8 buf[16];
 
         if (!local->wep_capable)
@@ -6500,11 +6501,13 @@ static int airo_get_encode(struct net_device *dev,
         dwrq->flags |= index + 1;
 
         /* Copy the key to the user buffer */
-        dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
-        if (dwrq->length != -1)
-                memcpy(extra, buf, dwrq->length);
-        else
+        wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
+        if (wep_key_len < 0) {
                 dwrq->length = 0;
+        } else {
+                dwrq->length = wep_key_len;
+                memcpy(extra, buf, dwrq->length);
+        }
 
         return 0;
 }
@@ -6617,7 +6620,7 @@ static int airo_get_encodeext(struct net_device *dev,
         struct airo_info *local = dev->ml_priv;
         struct iw_point *encoding = &wrqu->encoding;
         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
-        int idx, max_key_len;
+        int idx, max_key_len, wep_key_len;
         u8 buf[16];
 
         if (!local->wep_capable)
@@ -6661,11 +6664,13 @@ static int airo_get_encodeext(struct net_device *dev,
         memset(extra, 0, 16);
         
         /* Copy the key to the user buffer */
-        ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
-        if (ext->key_len != -1)
-                memcpy(extra, buf, ext->key_len);
-        else
+        wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
+        if (wep_key_len < 0) {
                 ext->key_len = 0;
+        } else {
+                ext->key_len = wep_key_len;
+                memcpy(extra, buf, ext->key_len);
+        }
 
         return 0;
 }
diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index 744f4f4dd3d1..8d93ca4651b9 100644
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -1873,18 +1873,18 @@ static void at76_dwork_hw_scan(struct work_struct *work)
         if (ret != CMD_STATUS_COMPLETE) {
                 queue_delayed_work(priv->hw->workqueue, &priv->dwork_hw_scan,
                                    SCAN_POLL_INTERVAL);
-                goto exit;
+                mutex_unlock(&priv->mtx);
+                return;
         }
 
-        ieee80211_scan_completed(priv->hw, false);
-
         if (is_valid_ether_addr(priv->bssid))
                 at76_join(priv);
 
-        ieee80211_wake_queues(priv->hw);
-
-exit:
         mutex_unlock(&priv->mtx);
+
+        ieee80211_scan_completed(priv->hw, false);
+
+        ieee80211_wake_queues(priv->hw);
 }
 
 static int at76_hw_scan(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index 9e2faae5ae94..b48b29dca3d2 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/drivers/net/wireless/ath5k/phy.c
@@ -1487,28 +1487,35 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR,
 {
         s8 tmp;
         s16 min_pwrL, min_pwrR;
-        s16 pwr_i = pwrL[0];
-
-        do {
-                pwr_i--;
-                tmp = (s8) ath5k_get_interpolated_value(pwr_i,
-                                                pwrL[0], pwrL[1],
-                                                stepL[0], stepL[1]);
-
-        } while (tmp > 1);
-
-        min_pwrL = pwr_i;
-
-        pwr_i = pwrR[0];
-        do {
-                pwr_i--;
-                tmp = (s8) ath5k_get_interpolated_value(pwr_i,
-                                                pwrR[0], pwrR[1],
-                                                stepR[0], stepR[1]);
-
-        } while (tmp > 1);
+        s16 pwr_i;
+
+        if (pwrL[0] == pwrL[1])
+                min_pwrL = pwrL[0];
+        else {
+                pwr_i = pwrL[0];
+                do {
+                        pwr_i--;
+                        tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+                                                        pwrL[0], pwrL[1],
+                                                        stepL[0], stepL[1]);
+                } while (tmp > 1);
+
+                min_pwrL = pwr_i;
+        }
 
-        min_pwrR = pwr_i;
+        if (pwrR[0] == pwrR[1])
+                min_pwrR = pwrR[0];
+        else {
+                pwr_i = pwrR[0];
+                do {
+                        pwr_i--;
+                        tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+                                                        pwrR[0], pwrR[1],
+                                                        stepR[0], stepR[1]);
+                } while (tmp > 1);
+
+                min_pwrR = pwr_i;
+        }
 
         /* Keep the right boundary so that it works for both curves */
         return max(min_pwrL, min_pwrR);
diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c
index 7a17d31b2fd9..5f72c111c2e8 100644
--- a/drivers/net/wireless/ath5k/reset.c
+++ b/drivers/net/wireless/ath5k/reset.c
@@ -26,7 +26,7 @@
 \*****************************/
 
 #include <linux/pci.h>          /* To determine if a card is pci-e */
-#include <linux/bitops.h>       /* For get_bitmask_order */
+#include <linux/log2.h>
 #include "ath5k.h"
 #include "reg.h"
 #include "base.h"
@@ -69,10 +69,10 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah,
 
         /* Get exponent
          * ALGO: coef_exp = 14 - highest set bit position */
-        coef_exp = get_bitmask_order(coef_scaled);
+        coef_exp = ilog2(coef_scaled);
 
         /* Doesn't make sense if it's zero*/
-        if (!coef_exp)
+        if (!coef_scaled || !coef_exp)
                 return -EINVAL;
 
         /* Note: we've shifted coef_scaled by 24 */
@@ -359,7 +359,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
                         mode |= AR5K_PHY_MODE_FREQ_5GHZ;
 
                         if (ah->ah_radio == AR5K_RF5413)
-                                clock |= AR5K_PHY_PLL_40MHZ_5413;
+                                clock = AR5K_PHY_PLL_40MHZ_5413;
                         else
                                 clock |= AR5K_PHY_PLL_40MHZ;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index e5ca2511a81a..9452461ce864 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -46,7 +46,7 @@
 #include "iwl-6000-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL5000_UCODE_API_MAX 1
+#define IWL5000_UCODE_API_MAX 2
 #define IWL5150_UCODE_API_MAX 2
 
 /* Lowest firmware API version supported */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 3bb28db4a40f..f46ba2475776 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -669,13 +669,6 @@ static int iwl_set_mode(struct iwl_priv *priv, int mode)
         if (!iwl_is_ready_rf(priv))
                 return -EAGAIN;
 
-        cancel_delayed_work(&priv->scan_check);
-        if (iwl_scan_cancel_timeout(priv, 100)) {
-                IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
-                IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
-                return -EAGAIN;
-        }
-
         iwl_commit_rxon(priv);
 
         return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index e7c65c4f741b..6330b91e37ce 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -227,9 +227,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
         /* The HW is no longer scanning */
         clear_bit(STATUS_SCAN_HW, &priv->status);
 
-        /* The scan completion notification came in, so kill that timer... */
-        cancel_delayed_work(&priv->scan_check);
-
         IWL_DEBUG_INFO(priv, "Scan pass on %sGHz took %dms\n",
                        (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ?
                                                 "2.4" : "5.2",
@@ -712,6 +709,8 @@ static void iwl_bg_request_scan(struct work_struct *data)
 
         mutex_lock(&priv->mutex);
 
+        cancel_delayed_work(&priv->scan_check);
+
         if (!iwl_is_ready(priv)) {
                 IWL_WARN(priv, "request scan called when driver not ready.\n");
                 goto done;
@@ -925,6 +924,8 @@ void iwl_bg_scan_completed(struct work_struct *work)
 
         IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
 
+        cancel_delayed_work(&priv->scan_check);
+
         ieee80211_scan_completed(priv->hw, false);
 
         if (test_bit(STATUS_EXIT_PENDING, &priv->status))
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4cce66133500..ff4d0e41d7c4 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -782,13 +782,6 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode)
         if (!iwl_is_ready_rf(priv))
                 return -EAGAIN;
 
-        cancel_delayed_work(&priv->scan_check);
-        if (iwl_scan_cancel_timeout(priv, 100)) {
-                IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
-                IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
-                return -EAGAIN;
-        }
-
         iwl3945_commit_rxon(priv);
 
         return 0;
@@ -3298,6 +3291,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
 
         mutex_lock(&priv->mutex);
 
+        cancel_delayed_work(&priv->scan_check);
+
         if (!iwl_is_ready(priv)) {
                 IWL_WARN(priv, "request scan called when driver not ready.\n");
                 goto done;
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 07d378ef0b46..7b3ee8c2eaef 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -138,7 +138,7 @@ void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
 
         if (cipher == CIPHER_TKIP_NO_MIC)
                 cipher = CIPHER_TKIP;
-        if (cipher == CIPHER_NONE || cipher > CIPHER_MAX)
+        if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX)
                 return;
 
         /* Remove CIPHER_NONE index */
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index bac6cfba6abd..d51ba0a88c23 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -71,6 +71,8 @@ static struct usb_device_id rtl8187_table[] __devinitdata = {
         {USB_DEVICE(0x18E8, 0x6232), .driver_info = DEVICE_RTL8187},
         /* AirLive */
         {USB_DEVICE(0x1b75, 0x8187), .driver_info = DEVICE_RTL8187},
+        /* Linksys */
+        {USB_DEVICE(0x1737, 0x0073), .driver_info = DEVICE_RTL8187B},
         {}
 };
 
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index f0e99d4c066b..242257b19441 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -78,16 +78,20 @@ void free_cpu_buffers(void)
         op_ring_buffer_write = NULL;
 }
 
+#define RB_EVENT_HDR_SIZE 4
+
 int alloc_cpu_buffers(void)
 {
         int i;
 
         unsigned long buffer_size = oprofile_cpu_buffer_size;
+        unsigned long byte_size = buffer_size * (sizeof(struct op_sample) +
+                                                 RB_EVENT_HDR_SIZE);
 
-        op_ring_buffer_read = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS);
+        op_ring_buffer_read = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
         if (!op_ring_buffer_read)
                 goto fail;
-        op_ring_buffer_write = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS);
+        op_ring_buffer_write = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
         if (!op_ring_buffer_write)
                 goto fail;
 
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index e6a7e847ee80..ea31a452b153 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -352,8 +352,8 @@ static int __devinit parport_init_chip(struct parisc_device *dev)
         unsigned long port;
 
         if (!dev->irq) {
-                printk(KERN_WARNING "IRQ not found for parallel device at 0x%lx\n",
-                        dev->hpa.start);
+                printk(KERN_WARNING "IRQ not found for parallel device at 0x%llx\n",
+                        (unsigned long long)dev->hpa.start);
                 return -ENODEV;
         }
 
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 0ebca450ed29..dffa5d4fb298 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -614,7 +614,10 @@ parport_register_device(struct parport *port, const char *name,
          * pardevice fields. -arca
          */
         port->ops->init_state(tmp, tmp->state);
-        parport_device_proc_register(tmp);
+        if (!test_and_set_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags)) {
+                port->proc_device = tmp;
+                parport_device_proc_register(tmp);
+        }
         return tmp;
 
  out_free_all:
@@ -646,10 +649,14 @@ void parport_unregister_device(struct pardevice *dev)
         }
 #endif
 
-        parport_device_proc_unregister(dev);
-
         port = dev->port->physport;
 
+        if (port->proc_device == dev) {
+                port->proc_device = NULL;
+                clear_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags);
+                parport_device_proc_unregister(dev);
+        }
+
         if (port->cad == dev) {
                 printk(KERN_DEBUG "%s: %s forgot to release port\n",
                        port->name, dev->name);
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 4fc168b70095..e68d5f20ffb3 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -129,7 +129,6 @@ struct acpiphp_func {
         struct acpiphp_bridge *bridge;  /* Ejectable PCI-to-PCI bridge */
 
         struct list_head sibling;
-        struct pci_dev *pci_dev;
         struct notifier_block nb;
         acpi_handle     handle;
 
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index a33794d9e0dc..3a6064bce561 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -32,9 +32,6 @@
 
 /*
  * Lifetime rules for pci_dev:
- *  - The one in acpiphp_func has its refcount elevated by pci_get_slot()
- *    when the driver is loaded or when an insertion event occurs.  It loses
- *    a refcount when its ejected or the driver unloads.
  *  - The one in acpiphp_bridge has its refcount elevated by pci_get_slot()
  *    when the bridge is scanned and it loses a refcount when the bridge
  *    is removed.
@@ -130,6 +127,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
         unsigned long long adr, sun;
         int device, function, retval;
         struct pci_bus *pbus = bridge->pci_bus;
+        struct pci_dev *pdev;
 
         if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
                 return AE_OK;
@@ -213,10 +211,10 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
         newfunc->slot = slot;
         list_add_tail(&newfunc->sibling, &slot->funcs);
 
-        /* associate corresponding pci_dev */
-        newfunc->pci_dev = pci_get_slot(pbus, PCI_DEVFN(device, function));
-        if (newfunc->pci_dev) {
+        pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
+        if (pdev) {
                 slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
+                pci_dev_put(pdev);
         }
 
         if (is_dock_device(handle)) {
@@ -617,7 +615,6 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
                                 if (ACPI_FAILURE(status))
                                         err("failed to remove notify handler\n");
                         }
-                        pci_dev_put(func->pci_dev);
                         list_del(list);
                         kfree(func);
                 }
@@ -1101,22 +1098,24 @@ static int __ref enable_device(struct acpiphp_slot *slot)
         pci_enable_bridges(bus);
         pci_bus_add_devices(bus);
 
-        /* associate pci_dev to our representation */
         list_for_each (l, &slot->funcs) {
                 func = list_entry(l, struct acpiphp_func, sibling);
-                func->pci_dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
-                                                        func->function));
-                if (!func->pci_dev)
+                dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
+                                                  func->function));
+                if (!dev)
                         continue;
 
-                if (func->pci_dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
-                    func->pci_dev->hdr_type != PCI_HEADER_TYPE_CARDBUS)
+                if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
+                    dev->hdr_type != PCI_HEADER_TYPE_CARDBUS) {
+                        pci_dev_put(dev);
                         continue;
+                }
 
                 status = find_p2p_bridge(func->handle, (u32)1, bus, NULL);
                 if (ACPI_FAILURE(status))
                         warn("find_p2p_bridge failed (error code = 0x%x)\n",
                                 status);
+                pci_dev_put(dev);
         }
 
         slot->flags |= SLOT_ENABLED;
@@ -1142,17 +1141,14 @@ static void disable_bridges(struct pci_bus *bus)
  */
 static int disable_device(struct acpiphp_slot *slot)
 {
-        int retval = 0;
         struct acpiphp_func *func;
-        struct list_head *l;
+        struct pci_dev *pdev;
 
         /* is this slot already disabled? */
         if (!(slot->flags & SLOT_ENABLED))
                 goto err_exit;
 
-        list_for_each (l, &slot->funcs) {
-                func = list_entry(l, struct acpiphp_func, sibling);
-
+        list_for_each_entry(func, &slot->funcs, sibling) {
                 if (func->bridge) {
                         /* cleanup p2p bridges under this P2P bridge */
                         cleanup_p2p_bridge(func->bridge->handle,
@@ -1160,35 +1156,28 @@ static int disable_device(struct acpiphp_slot *slot)
                         func->bridge = NULL;
                 }
 
-                if (func->pci_dev) {
-                        pci_stop_bus_device(func->pci_dev);
-                        if (func->pci_dev->subordinate) {
-                                disable_bridges(func->pci_dev->subordinate);
-                                pci_disable_device(func->pci_dev);
+                pdev = pci_get_slot(slot->bridge->pci_bus,
+                                    PCI_DEVFN(slot->device, func->function));
+                if (pdev) {
+                        pci_stop_bus_device(pdev);
+                        if (pdev->subordinate) {
+                                disable_bridges(pdev->subordinate);
+                                pci_disable_device(pdev);
                         }
+                        pci_remove_bus_device(pdev);
+                        pci_dev_put(pdev);
                 }
         }
 
-        list_for_each (l, &slot->funcs) {
-                func = list_entry(l, struct acpiphp_func, sibling);
-
+        list_for_each_entry(func, &slot->funcs, sibling) {
                 acpiphp_unconfigure_ioapics(func->handle);
                 acpiphp_bus_trim(func->handle);
-                /* try to remove anyway.
-                 * acpiphp_bus_add might have been failed */
-
-                if (!func->pci_dev)
-                        continue;
-
-                pci_remove_bus_device(func->pci_dev);
-                pci_dev_put(func->pci_dev);
-                func->pci_dev = NULL;
         }
 
         slot->flags &= (~SLOT_ENABLED);
 
- err_exit:
-        return retval;
+err_exit:
+        return 0;
 }
 
 
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index f7a3283dd029..551332e4ed02 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -12,32 +12,56 @@
 #include <linux/module.h>
 #include <linux/rtc.h>
 #include <linux/platform_device.h>
-#include <mach/hardware.h>
+#include <linux/io.h>
+
+#define EP93XX_RTC_DATA                 0x000
+#define EP93XX_RTC_MATCH                0x004
+#define EP93XX_RTC_STATUS               0x008
+#define  EP93XX_RTC_STATUS_INTR          (1<<0)
+#define EP93XX_RTC_LOAD                 0x00C
+#define EP93XX_RTC_CONTROL              0x010
+#define  EP93XX_RTC_CONTROL_MIE          (1<<0)
+#define EP93XX_RTC_SWCOMP               0x108
+#define  EP93XX_RTC_SWCOMP_DEL_MASK      0x001f0000
+#define  EP93XX_RTC_SWCOMP_DEL_SHIFT     16
+#define  EP93XX_RTC_SWCOMP_INT_MASK      0x0000ffff
+#define  EP93XX_RTC_SWCOMP_INT_SHIFT     0
+
+#define DRV_VERSION "0.3"
 
-#define EP93XX_RTC_REG(x)       (EP93XX_RTC_BASE + (x))
-#define EP93XX_RTC_DATA         EP93XX_RTC_REG(0x0000)
-#define EP93XX_RTC_LOAD         EP93XX_RTC_REG(0x000C)
-#define EP93XX_RTC_SWCOMP       EP93XX_RTC_REG(0x0108)
-
-#define DRV_VERSION "0.2"
+/*
+ * struct device dev.platform_data is used to store our private data
+ * because struct rtc_device does not have a variable to hold it.
+ */
+struct ep93xx_rtc {
+        void __iomem    *mmio_base;
+};
 
-static int ep93xx_get_swcomp(struct device *dev, unsigned short *preload,
+static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload,
                                 unsigned short *delete)
 {
-        unsigned short comp = __raw_readl(EP93XX_RTC_SWCOMP);
+        struct ep93xx_rtc *ep93xx_rtc = dev->platform_data;
+        unsigned long comp;
+
+        comp = __raw_readl(ep93xx_rtc->mmio_base + EP93XX_RTC_SWCOMP);
 
         if (preload)
-                *preload = comp & 0xffff;
+                *preload = (comp & EP93XX_RTC_SWCOMP_INT_MASK)
+                                >> EP93XX_RTC_SWCOMP_INT_SHIFT;
 
         if (delete)
-                *delete = (comp >> 16) & 0x1f;
+                *delete = (comp & EP93XX_RTC_SWCOMP_DEL_MASK)
+                                >> EP93XX_RTC_SWCOMP_DEL_SHIFT;
 
         return 0;
 }
 
 static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
-        unsigned long time = __raw_readl(EP93XX_RTC_DATA);
+        struct ep93xx_rtc *ep93xx_rtc = dev->platform_data;
+        unsigned long time;
+
+         time = __raw_readl(ep93xx_rtc->mmio_base + EP93XX_RTC_DATA);
 
         rtc_time_to_tm(time, tm);
         return 0;
@@ -45,7 +69,9 @@ static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm)
 
 static int ep93xx_rtc_set_mmss(struct device *dev, unsigned long secs)
 {
-        __raw_writel(secs + 1, EP93XX_RTC_LOAD);
+        struct ep93xx_rtc *ep93xx_rtc = dev->platform_data;
+
+        __raw_writel(secs + 1, ep93xx_rtc->mmio_base + EP93XX_RTC_LOAD);
         return 0;
 }
 
@@ -53,7 +79,7 @@ static int ep93xx_rtc_proc(struct device *dev, struct seq_file *seq)
 {
         unsigned short preload, delete;
 
-        ep93xx_get_swcomp(dev, &preload, &delete);
+        ep93xx_rtc_get_swcomp(dev, &preload, &delete);
 
         seq_printf(seq, "preload\t\t: %d\n", preload);
         seq_printf(seq, "delete\t\t: %d\n", delete);
@@ -67,54 +93,104 @@ static const struct rtc_class_ops ep93xx_rtc_ops = {
         .proc           = ep93xx_rtc_proc,
 };
 
-static ssize_t ep93xx_sysfs_show_comp_preload(struct device *dev,
+static ssize_t ep93xx_rtc_show_comp_preload(struct device *dev,
                         struct device_attribute *attr, char *buf)
 {
         unsigned short preload;
 
-        ep93xx_get_swcomp(dev, &preload, NULL);
+        ep93xx_rtc_get_swcomp(dev, &preload, NULL);
 
         return sprintf(buf, "%d\n", preload);
 }
-static DEVICE_ATTR(comp_preload, S_IRUGO, ep93xx_sysfs_show_comp_preload, NULL);
+static DEVICE_ATTR(comp_preload, S_IRUGO, ep93xx_rtc_show_comp_preload, NULL);
 
-static ssize_t ep93xx_sysfs_show_comp_delete(struct device *dev,
+static ssize_t ep93xx_rtc_show_comp_delete(struct device *dev,
                         struct device_attribute *attr, char *buf)
 {
         unsigned short delete;
 
-        ep93xx_get_swcomp(dev, NULL, &delete);
+        ep93xx_rtc_get_swcomp(dev, NULL, &delete);
 
         return sprintf(buf, "%d\n", delete);
 }
-static DEVICE_ATTR(comp_delete, S_IRUGO, ep93xx_sysfs_show_comp_delete, NULL);
+static DEVICE_ATTR(comp_delete, S_IRUGO, ep93xx_rtc_show_comp_delete, NULL);
 
 
-static int __devinit ep93xx_rtc_probe(struct platform_device *dev)
+static int __init ep93xx_rtc_probe(struct platform_device *pdev)
 {
-        struct rtc_device *rtc = rtc_device_register("ep93xx",
-                                &dev->dev, &ep93xx_rtc_ops, THIS_MODULE);
+        struct ep93xx_rtc *ep93xx_rtc;
+        struct resource *res;
+        struct rtc_device *rtc;
+        int err;
+
+        ep93xx_rtc = kzalloc(sizeof(struct ep93xx_rtc), GFP_KERNEL);
+        if (ep93xx_rtc == NULL)
+                return -ENOMEM;
+
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (res == NULL)
+                return -ENXIO;
+
+        res = request_mem_region(res->start, resource_size(res), pdev->name);
+        if (res == NULL)
+                return -EBUSY;
+
+        ep93xx_rtc->mmio_base = ioremap(res->start, resource_size(res));
+        if (ep93xx_rtc->mmio_base == NULL) {
+                err = -ENXIO;
+                goto fail;
+        }
 
+        pdev->dev.platform_data = ep93xx_rtc;
+
+        rtc = rtc_device_register(pdev->name,
+                                &pdev->dev, &ep93xx_rtc_ops, THIS_MODULE);
         if (IS_ERR(rtc)) {
-                return PTR_ERR(rtc);
+                err = PTR_ERR(rtc);
+                goto fail;
         }
 
-        platform_set_drvdata(dev, rtc);
+        platform_set_drvdata(pdev, rtc);
 
-        device_create_file(&dev->dev, &dev_attr_comp_preload);
-        device_create_file(&dev->dev, &dev_attr_comp_delete);
+        err = device_create_file(&pdev->dev, &dev_attr_comp_preload);
+        if (err)
+                goto fail;
+        err = device_create_file(&pdev->dev, &dev_attr_comp_delete);
+        if (err) {
+                device_remove_file(&pdev->dev, &dev_attr_comp_preload);
+                goto fail;
+        }
 
         return 0;
+
+fail:
+        if (ep93xx_rtc->mmio_base) {
+                iounmap(ep93xx_rtc->mmio_base);
+                pdev->dev.platform_data = NULL;
+        }
+        release_mem_region(res->start, resource_size(res));
+        return err;
 }
 
-static int __devexit ep93xx_rtc_remove(struct platform_device *dev)
+static int __exit ep93xx_rtc_remove(struct platform_device *pdev)
 {
-        struct rtc_device *rtc = platform_get_drvdata(dev);
+        struct rtc_device *rtc = platform_get_drvdata(pdev);
+        struct ep93xx_rtc *ep93xx_rtc = pdev->dev.platform_data;
+        struct resource *res;
+
+        /* cleanup sysfs */
+        device_remove_file(&pdev->dev, &dev_attr_comp_delete);
+        device_remove_file(&pdev->dev, &dev_attr_comp_preload);
+
+        rtc_device_unregister(rtc);
+
+        iounmap(ep93xx_rtc->mmio_base);
+        pdev->dev.platform_data = NULL;
 
-        if (rtc)
-                rtc_device_unregister(rtc);
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        release_mem_region(res->start, resource_size(res));
 
-        platform_set_drvdata(dev, NULL);
+        platform_set_drvdata(pdev, NULL);
 
         return 0;
 }
@@ -122,23 +198,22 @@ static int __devexit ep93xx_rtc_remove(struct platform_device *dev)
 /* work with hotplug and coldplug */
 MODULE_ALIAS("platform:ep93xx-rtc");
 
-static struct platform_driver ep93xx_rtc_platform_driver = {
+static struct platform_driver ep93xx_rtc_driver = {
         .driver         = {
                 .name   = "ep93xx-rtc",
                 .owner  = THIS_MODULE,
         },
-        .probe          = ep93xx_rtc_probe,
-        .remove         = __devexit_p(ep93xx_rtc_remove),
+        .remove         = __exit_p(ep93xx_rtc_remove),
 };
 
 static int __init ep93xx_rtc_init(void)
 {
-        return platform_driver_register(&ep93xx_rtc_platform_driver);
+        return platform_driver_probe(&ep93xx_rtc_driver, ep93xx_rtc_probe);
 }
 
 static void __exit ep93xx_rtc_exit(void)
 {
-        platform_driver_unregister(&ep93xx_rtc_platform_driver);
+        platform_driver_unregister(&ep93xx_rtc_driver);
 }
 
 MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index b4b39811b445..a0127e93ade0 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -137,6 +137,7 @@ struct uart_8250_port {
         unsigned char           mcr;
         unsigned char           mcr_mask;       /* mask of user bits */
         unsigned char           mcr_force;      /* mask of forced bits */
+        unsigned char           cur_iotype;     /* Running I/O type */
 
         /*
          * Some bits in registers are cleared on a read, so they must
@@ -471,6 +472,7 @@ static void io_serial_out(struct uart_port *p, int offset, int value)
 
 static void set_io_from_upio(struct uart_port *p)
 {
+        struct uart_8250_port *up = (struct uart_8250_port *)p;
         switch (p->iotype) {
         case UPIO_HUB6:
                 p->serial_in = hub6_serial_in;
@@ -509,6 +511,8 @@ static void set_io_from_upio(struct uart_port *p)
                 p->serial_out = io_serial_out;
                 break;
         }
+        /* Remember loaded iotype */
+        up->cur_iotype = p->iotype;
 }
 
 static void
@@ -1937,6 +1941,9 @@ static int serial8250_startup(struct uart_port *port)
         up->capabilities = uart_config[up->port.type].flags;
         up->mcr = 0;
 
+        if (up->port.iotype != up->cur_iotype)
+                set_io_from_upio(port);
+
         if (up->port.type == PORT_16C950) {
                 /* Wake up and initialize UART */
                 up->acr = 0;
@@ -2563,6 +2570,9 @@ static void serial8250_config_port(struct uart_port *port, int flags)
         if (ret < 0)
                 probeflags &= ~PROBE_RSA;
 
+        if (up->port.iotype != up->cur_iotype)
+                set_io_from_upio(port);
+
         if (flags & UART_CONFIG_TYPE)
                 autoconfig(up, probeflags);
         if (up->port.type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ)
@@ -2671,6 +2681,11 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev)
 {
         int i;
 
+        for (i = 0; i < nr_uarts; i++) {
+                struct uart_8250_port *up = &serial8250_ports[i];
+                up->cur_iotype = 0xFF;
+        }
+
         serial8250_isa_init_ports();
 
         for (i = 0; i < nr_uarts; i++) {
diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 418b4fe9a0a1..33149d982e82 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -39,9 +39,9 @@ static int __init serial_init_chip(struct parisc_device *dev)
                  */
                 if (parisc_parent(dev)->id.hw_type != HPHW_IOA)
                         printk(KERN_INFO
-                                "Serial: device 0x%lx not configured.\n"
+                                "Serial: device 0x%llx not configured.\n"
                                 "Enable support for Wax, Lasi, Asp or Dino.\n",
-                                dev->hpa.start);
+                                (unsigned long long)dev->hpa.start);
                 return -ENODEV;
         }
 
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 88fdac51b6c5..8c5bda27736c 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -70,6 +70,23 @@ struct uart_amba_port {
         struct clk              *clk;
         unsigned int            im;     /* interrupt mask */
         unsigned int            old_status;
+        unsigned int            ifls;   /* vendor-specific */
+};
+
+/* There is by now at least one vendor with differing details, so handle it */
+struct vendor_data {
+        unsigned int            ifls;
+        unsigned int            fifosize;
+};
+
+static struct vendor_data vendor_arm = {
+        .ifls                   = UART011_IFLS_RX4_8|UART011_IFLS_TX4_8,
+        .fifosize               = 16,
+};
+
+static struct vendor_data vendor_st = {
+        .ifls                   = UART011_IFLS_RX_HALF|UART011_IFLS_TX_HALF,
+        .fifosize               = 64,
 };
 
 static void pl011_stop_tx(struct uart_port *port)
@@ -360,8 +377,7 @@ static int pl011_startup(struct uart_port *port)
         if (retval)
                 goto clk_dis;
 
-        writew(UART011_IFLS_RX4_8|UART011_IFLS_TX4_8,
-               uap->port.membase + UART011_IFLS);
+        writew(uap->ifls, uap->port.membase + UART011_IFLS);
 
         /*
          * Provoke TX FIFO interrupt into asserting.
@@ -732,6 +748,7 @@ static struct uart_driver amba_reg = {
 static int pl011_probe(struct amba_device *dev, struct amba_id *id)
 {
         struct uart_amba_port *uap;
+        struct vendor_data *vendor = id->data;
         void __iomem *base;
         int i, ret;
 
@@ -762,12 +779,13 @@ static int pl011_probe(struct amba_device *dev, struct amba_id *id)
                 goto unmap;
         }
 
+        uap->ifls = vendor->ifls;
         uap->port.dev = &dev->dev;
         uap->port.mapbase = dev->res.start;
         uap->port.membase = base;
         uap->port.iotype = UPIO_MEM;
         uap->port.irq = dev->irq[0];
-        uap->port.fifosize = 16;
+        uap->port.fifosize = vendor->fifosize;
         uap->port.ops = &amba_pl011_pops;
         uap->port.flags = UPF_BOOT_AUTOCONF;
         uap->port.line = i;
@@ -812,6 +830,12 @@ static struct amba_id pl011_ids[] __initdata = {
         {
                 .id     = 0x00041011,
                 .mask   = 0x000fffff,
+                .data   = &vendor_arm,
+        },
+        {
+                .id     = 0x00380802,
+                .mask   = 0x00ffffff,
+                .data   = &vendor_st,
         },
         { 0, 0 },
 };
@@ -845,7 +869,11 @@ static void __exit pl011_exit(void)
         uart_unregister_driver(&amba_reg);
 }
 
-module_init(pl011_init);
+/*
+ * While this can be a module, if builtin it's most likely the console
+ * So let's leave module_exit but move module_init to an earlier place
+ */
+arch_initcall(pl011_init);
 module_exit(pl011_exit);
 
 MODULE_AUTHOR("ARM Ltd/Deep Blue Solutions Ltd");
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 9f460b175c50..738c8a5f64f2 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -66,7 +66,7 @@
 #define ONEMS 0xb0 /* One Millisecond register */
 #define UTS   0xb4 /* UART Test Register */
 #endif
-#if defined(CONFIG_ARCH_IMX) || defined(CONFIG_ARCH_MX1)
+#ifdef CONFIG_ARCH_MX1
 #define BIPR1 0xb0 /* Incremental Preset Register 1 */
 #define BIPR2 0xb4 /* Incremental Preset Register 2 */
 #define BIPR3 0xb8 /* Incremental Preset Register 3 */
@@ -96,7 +96,7 @@
 #define  UCR1_RTSDEN     (1<<5)  /* RTS delta interrupt enable */
 #define  UCR1_SNDBRK     (1<<4)  /* Send break */
 #define  UCR1_TDMAEN     (1<<3)  /* Transmitter ready DMA enable */
-#if defined(CONFIG_ARCH_IMX) || defined(CONFIG_ARCH_MX1)
+#ifdef CONFIG_ARCH_MX1
 #define  UCR1_UARTCLKEN  (1<<2)  /* UART clock enabled */
 #endif
 #if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
@@ -127,7 +127,7 @@
 #define  UCR3_RXDSEN     (1<<6)  /* Receive status interrupt enable */
 #define  UCR3_AIRINTEN   (1<<5)  /* Async IR wake interrupt enable */
 #define  UCR3_AWAKEN     (1<<4)  /* Async wake interrupt enable */
-#ifdef CONFIG_ARCH_IMX
+#ifdef CONFIG_ARCH_MX1
 #define  UCR3_REF25      (1<<3)  /* Ref freq 25 MHz, only on mx1 */
 #define  UCR3_REF30      (1<<2)  /* Ref Freq 30 MHz, only on mx1 */
 #endif
@@ -180,13 +180,6 @@
 #define  UTS_SOFTRST     (1<<0)  /* Software reset */
 
 /* We've been assigned a range on the "Low-density serial ports" major */
-#ifdef CONFIG_ARCH_IMX
-#define SERIAL_IMX_MAJOR        204
-#define MINOR_START             41
-#define DEV_NAME                "ttySMX"
-#define MAX_INTERNAL_IRQ        IMX_IRQS
-#endif
-
 #ifdef CONFIG_ARCH_MXC
 #define SERIAL_IMX_MAJOR        207
 #define MINOR_START             16
@@ -1031,6 +1024,8 @@ imx_console_setup(struct console *co, char *options)
         if (co->index == -1 || co->index >= ARRAY_SIZE(imx_ports))
                 co->index = 0;
         sport = imx_ports[co->index];
+        if(sport == NULL)
+                return -ENODEV;
 
         if (options)
                 uart_parse_options(options, &baud, &parity, &bits, &flow);
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 7f72f8ceaa6f..b3feb6198d57 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -988,7 +988,7 @@ mpc52xx_console_setup(struct console *co, char *options)
         pr_debug("mpc52xx_console_setup co=%p, co->index=%i, options=%s\n",
                  co, co->index, options);
 
-        if ((co->index < 0) || (co->index > MPC52xx_PSC_MAXNUM)) {
+        if ((co->index < 0) || (co->index >= MPC52xx_PSC_MAXNUM)) {
                 pr_debug("PSC%x out of range\n", co->index);
                 return -EINVAL;
         }
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 83a185d52961..8e7c17e4461f 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -118,7 +118,7 @@ config SPI_GPIO
 
 config SPI_IMX
         tristate "Freescale iMX SPI controller"
-        depends on ARCH_IMX && EXPERIMENTAL
+        depends on ARCH_MX1 && EXPERIMENTAL
         help
           This enables using the Freescale iMX SPI controller in master
           mode.
@@ -171,6 +171,15 @@ config SPI_ORION
         help
           This enables using the SPI master controller on the Orion chips.
 
+config SPI_PL022
+        tristate "ARM AMBA PL022 SSP controller (EXPERIMENTAL)"
+        depends on ARM_AMBA && EXPERIMENTAL
+        default y if MACH_U300
+        help
+          This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP
+          controller. If you have an embedded system with an AMBA(R)
+          bus and a PL022 controller, say Y or M here.
+
 config SPI_PXA2XX
         tristate "PXA2xx SSP SPI master"
         depends on ARCH_PXA && EXPERIMENTAL
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 5d0451936d86..ecfadb180482 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_SPI_PXA2XX)		+= pxa2xx_spi.o
 obj-$(CONFIG_SPI_OMAP_UWIRE)            += omap_uwire.o
 obj-$(CONFIG_SPI_OMAP24XX)              += omap2_mcspi.o
 obj-$(CONFIG_SPI_ORION)                 += orion_spi.o
+obj-$(CONFIG_SPI_PL022)                 += amba-pl022.o
 obj-$(CONFIG_SPI_MPC52xx_PSC)           += mpc52xx_psc_spi.o
 obj-$(CONFIG_SPI_MPC83xx)               += spi_mpc83xx.o
 obj-$(CONFIG_SPI_S3C24XX_GPIO)          += spi_s3c24xx_gpio.o
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
new file mode 100644
index 000000000000..da76797ce8b9
--- /dev/null
+++ b/drivers/spi/amba-pl022.c
@@ -0,0 +1,1866 @@
+/*
+ * drivers/spi/amba-pl022.c
+ *
+ * A driver for the ARM PL022 PrimeCell SSP/SPI bus master.
+ *
+ * Copyright (C) 2008-2009 ST-Ericsson AB
+ * Copyright (C) 2006 STMicroelectronics Pvt. Ltd.
+ *
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ *
+ * Initial version inspired by:
+ *      linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c
+ * Initial adoption to PL022 by:
+ *      Sachin Verma <sachin.verma@st.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * TODO:
+ * - add timeout on polled transfers
+ * - add generic DMA framework support
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/ioport.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/spi/spi.h>
+#include <linux/workqueue.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/pl022.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+
+/*
+ * This macro is used to define some register default values.
+ * reg is masked with mask, the OR:ed with an (again masked)
+ * val shifted sb steps to the left.
+ */
+#define SSP_WRITE_BITS(reg, val, mask, sb) \
+ ((reg) = (((reg) & ~(mask)) | (((val)<<(sb)) & (mask))))
+
+/*
+ * This macro is also used to define some default values.
+ * It will just shift val by sb steps to the left and mask
+ * the result with mask.
+ */
+#define GEN_MASK_BITS(val, mask, sb) \
+ (((val)<<(sb)) & (mask))
+
+#define DRIVE_TX                0
+#define DO_NOT_DRIVE_TX         1
+
+#define DO_NOT_QUEUE_DMA        0
+#define QUEUE_DMA               1
+
+#define RX_TRANSFER             1
+#define TX_TRANSFER             2
+
+/*
+ * Macros to access SSP Registers with their offsets
+ */
+#define SSP_CR0(r)      (r + 0x000)
+#define SSP_CR1(r)      (r + 0x004)
+#define SSP_DR(r)       (r + 0x008)
+#define SSP_SR(r)       (r + 0x00C)
+#define SSP_CPSR(r)     (r + 0x010)
+#define SSP_IMSC(r)     (r + 0x014)
+#define SSP_RIS(r)      (r + 0x018)
+#define SSP_MIS(r)      (r + 0x01C)
+#define SSP_ICR(r)      (r + 0x020)
+#define SSP_DMACR(r)    (r + 0x024)
+#define SSP_ITCR(r)     (r + 0x080)
+#define SSP_ITIP(r)     (r + 0x084)
+#define SSP_ITOP(r)     (r + 0x088)
+#define SSP_TDR(r)      (r + 0x08C)
+
+#define SSP_PID0(r)     (r + 0xFE0)
+#define SSP_PID1(r)     (r + 0xFE4)
+#define SSP_PID2(r)     (r + 0xFE8)
+#define SSP_PID3(r)     (r + 0xFEC)
+
+#define SSP_CID0(r)     (r + 0xFF0)
+#define SSP_CID1(r)     (r + 0xFF4)
+#define SSP_CID2(r)     (r + 0xFF8)
+#define SSP_CID3(r)     (r + 0xFFC)
+
+/*
+ * SSP Control Register 0  - SSP_CR0
+ */
+#define SSP_CR0_MASK_DSS        (0x1FUL << 0)
+#define SSP_CR0_MASK_HALFDUP    (0x1UL << 5)
+#define SSP_CR0_MASK_SPO        (0x1UL << 6)
+#define SSP_CR0_MASK_SPH        (0x1UL << 7)
+#define SSP_CR0_MASK_SCR        (0xFFUL << 8)
+#define SSP_CR0_MASK_CSS        (0x1FUL << 16)
+#define SSP_CR0_MASK_FRF        (0x3UL << 21)
+
+/*
+ * SSP Control Register 0  - SSP_CR1
+ */
+#define SSP_CR1_MASK_LBM        (0x1UL << 0)
+#define SSP_CR1_MASK_SSE        (0x1UL << 1)
+#define SSP_CR1_MASK_MS         (0x1UL << 2)
+#define SSP_CR1_MASK_SOD        (0x1UL << 3)
+#define SSP_CR1_MASK_RENDN      (0x1UL << 4)
+#define SSP_CR1_MASK_TENDN      (0x1UL << 5)
+#define SSP_CR1_MASK_MWAIT      (0x1UL << 6)
+#define SSP_CR1_MASK_RXIFLSEL   (0x7UL << 7)
+#define SSP_CR1_MASK_TXIFLSEL   (0x7UL << 10)
+
+/*
+ * SSP Data Register - SSP_DR
+ */
+#define SSP_DR_MASK_DATA        0xFFFFFFFF
+
+/*
+ * SSP Status Register - SSP_SR
+ */
+#define SSP_SR_MASK_TFE         (0x1UL << 0) /* Transmit FIFO empty */
+#define SSP_SR_MASK_TNF         (0x1UL << 1) /* Transmit FIFO not full */
+#define SSP_SR_MASK_RNE         (0x1UL << 2) /* Receive FIFO not empty */
+#define SSP_SR_MASK_RFF         (0x1UL << 3) /* Receive FIFO full */
+#define SSP_SR_MASK_BSY         (0x1UL << 4) /* Busy Flag */
+
+/*
+ * SSP Clock Prescale Register  - SSP_CPSR
+ */
+#define SSP_CPSR_MASK_CPSDVSR   (0xFFUL << 0)
+
+/*
+ * SSP Interrupt Mask Set/Clear Register - SSP_IMSC
+ */
+#define SSP_IMSC_MASK_RORIM (0x1UL << 0) /* Receive Overrun Interrupt mask */
+#define SSP_IMSC_MASK_RTIM  (0x1UL << 1) /* Receive timeout Interrupt mask */
+#define SSP_IMSC_MASK_RXIM  (0x1UL << 2) /* Receive FIFO Interrupt mask */
+#define SSP_IMSC_MASK_TXIM  (0x1UL << 3) /* Transmit FIFO Interrupt mask */
+
+/*
+ * SSP Raw Interrupt Status Register - SSP_RIS
+ */
+/* Receive Overrun Raw Interrupt status */
+#define SSP_RIS_MASK_RORRIS             (0x1UL << 0)
+/* Receive Timeout Raw Interrupt status */
+#define SSP_RIS_MASK_RTRIS              (0x1UL << 1)
+/* Receive FIFO Raw Interrupt status */
+#define SSP_RIS_MASK_RXRIS              (0x1UL << 2)
+/* Transmit FIFO Raw Interrupt status */
+#define SSP_RIS_MASK_TXRIS              (0x1UL << 3)
+
+/*
+ * SSP Masked Interrupt Status Register - SSP_MIS
+ */
+/* Receive Overrun Masked Interrupt status */
+#define SSP_MIS_MASK_RORMIS             (0x1UL << 0)
+/* Receive Timeout Masked Interrupt status */
+#define SSP_MIS_MASK_RTMIS              (0x1UL << 1)
+/* Receive FIFO Masked Interrupt status */
+#define SSP_MIS_MASK_RXMIS              (0x1UL << 2)
+/* Transmit FIFO Masked Interrupt status */
+#define SSP_MIS_MASK_TXMIS              (0x1UL << 3)
+
+/*
+ * SSP Interrupt Clear Register - SSP_ICR
+ */
+/* Receive Overrun Raw Clear Interrupt bit */
+#define SSP_ICR_MASK_RORIC              (0x1UL << 0)
+/* Receive Timeout Clear Interrupt bit */
+#define SSP_ICR_MASK_RTIC               (0x1UL << 1)
+
+/*
+ * SSP DMA Control Register - SSP_DMACR
+ */
+/* Receive DMA Enable bit */
+#define SSP_DMACR_MASK_RXDMAE           (0x1UL << 0)
+/* Transmit DMA Enable bit */
+#define SSP_DMACR_MASK_TXDMAE           (0x1UL << 1)
+
+/*
+ * SSP Integration Test control Register - SSP_ITCR
+ */
+#define SSP_ITCR_MASK_ITEN              (0x1UL << 0)
+#define SSP_ITCR_MASK_TESTFIFO          (0x1UL << 1)
+
+/*
+ * SSP Integration Test Input Register - SSP_ITIP
+ */
+#define ITIP_MASK_SSPRXD                 (0x1UL << 0)
+#define ITIP_MASK_SSPFSSIN               (0x1UL << 1)
+#define ITIP_MASK_SSPCLKIN               (0x1UL << 2)
+#define ITIP_MASK_RXDMAC                 (0x1UL << 3)
+#define ITIP_MASK_TXDMAC                 (0x1UL << 4)
+#define ITIP_MASK_SSPTXDIN               (0x1UL << 5)
+
+/*
+ * SSP Integration Test output Register - SSP_ITOP
+ */
+#define ITOP_MASK_SSPTXD                 (0x1UL << 0)
+#define ITOP_MASK_SSPFSSOUT              (0x1UL << 1)
+#define ITOP_MASK_SSPCLKOUT              (0x1UL << 2)
+#define ITOP_MASK_SSPOEn                 (0x1UL << 3)
+#define ITOP_MASK_SSPCTLOEn              (0x1UL << 4)
+#define ITOP_MASK_RORINTR                (0x1UL << 5)
+#define ITOP_MASK_RTINTR                 (0x1UL << 6)
+#define ITOP_MASK_RXINTR                 (0x1UL << 7)
+#define ITOP_MASK_TXINTR                 (0x1UL << 8)
+#define ITOP_MASK_INTR                   (0x1UL << 9)
+#define ITOP_MASK_RXDMABREQ              (0x1UL << 10)
+#define ITOP_MASK_RXDMASREQ              (0x1UL << 11)
+#define ITOP_MASK_TXDMABREQ              (0x1UL << 12)
+#define ITOP_MASK_TXDMASREQ              (0x1UL << 13)
+
+/*
+ * SSP Test Data Register - SSP_TDR
+ */
+#define TDR_MASK_TESTDATA               (0xFFFFFFFF)
+
+/*
+ * Message State
+ * we use the spi_message.state (void *) pointer to
+ * hold a single state value, that's why all this
+ * (void *) casting is done here.
+ */
+#define STATE_START                     ((void *) 0)
+#define STATE_RUNNING                   ((void *) 1)
+#define STATE_DONE                      ((void *) 2)
+#define STATE_ERROR                     ((void *) -1)
+
+/*
+ * Queue State
+ */
+#define QUEUE_RUNNING                   (0)
+#define QUEUE_STOPPED                   (1)
+/*
+ * SSP State - Whether Enabled or Disabled
+ */
+#define SSP_DISABLED                    (0)
+#define SSP_ENABLED                     (1)
+
+/*
+ * SSP DMA State - Whether DMA Enabled or Disabled
+ */
+#define SSP_DMA_DISABLED                (0)
+#define SSP_DMA_ENABLED                 (1)
+
+/*
+ * SSP Clock Defaults
+ */
+#define NMDK_SSP_DEFAULT_CLKRATE 0x2
+#define NMDK_SSP_DEFAULT_PRESCALE 0x40
+
+/*
+ * SSP Clock Parameter ranges
+ */
+#define CPSDVR_MIN 0x02
+#define CPSDVR_MAX 0xFE
+#define SCR_MIN 0x00
+#define SCR_MAX 0xFF
+
+/*
+ * SSP Interrupt related Macros
+ */
+#define DEFAULT_SSP_REG_IMSC  0x0UL
+#define DISABLE_ALL_INTERRUPTS DEFAULT_SSP_REG_IMSC
+#define ENABLE_ALL_INTERRUPTS (~DEFAULT_SSP_REG_IMSC)
+
+#define CLEAR_ALL_INTERRUPTS  0x3
+
+
+/*
+ * The type of reading going on on this chip
+ */
+enum ssp_reading {
+        READING_NULL,
+        READING_U8,
+        READING_U16,
+        READING_U32
+};
+
+/**
+ * The type of writing going on on this chip
+ */
+enum ssp_writing {
+        WRITING_NULL,
+        WRITING_U8,
+        WRITING_U16,
+        WRITING_U32
+};
+
+/**
+ * struct vendor_data - vendor-specific config parameters
+ * for PL022 derivates
+ * @fifodepth: depth of FIFOs (both)
+ * @max_bpw: maximum number of bits per word
+ * @unidir: supports unidirection transfers
+ */
+struct vendor_data {
+        int fifodepth;
+        int max_bpw;
+        bool unidir;
+};
+
+/**
+ * struct pl022 - This is the private SSP driver data structure
+ * @adev: AMBA device model hookup
+ * @phybase: The physical memory where the SSP device resides
+ * @virtbase: The virtual memory where the SSP is mapped
+ * @master: SPI framework hookup
+ * @master_info: controller-specific data from machine setup
+ * @regs: SSP controller register's virtual address
+ * @pump_messages: Work struct for scheduling work to the workqueue
+ * @lock: spinlock to syncronise access to driver data
+ * @workqueue: a workqueue on which any spi_message request is queued
+ * @busy: workqueue is busy
+ * @run: workqueue is running
+ * @pump_transfers: Tasklet used in Interrupt Transfer mode
+ * @cur_msg: Pointer to current spi_message being processed
+ * @cur_transfer: Pointer to current spi_transfer
+ * @cur_chip: pointer to current clients chip(assigned from controller_state)
+ * @tx: current position in TX buffer to be read
+ * @tx_end: end position in TX buffer to be read
+ * @rx: current position in RX buffer to be written
+ * @rx_end: end position in RX buffer to be written
+ * @readingtype: the type of read currently going on
+ * @writingtype: the type or write currently going on
+ */
+struct pl022 {
+        struct amba_device              *adev;
+        struct vendor_data              *vendor;
+        resource_size_t                 phybase;
+        void __iomem                    *virtbase;
+        struct clk                      *clk;
+        struct spi_master               *master;
+        struct pl022_ssp_controller     *master_info;
+        /* Driver message queue */
+        struct workqueue_struct         *workqueue;
+        struct work_struct              pump_messages;
+        spinlock_t                      queue_lock;
+        struct list_head                queue;
+        int                             busy;
+        int                             run;
+        /* Message transfer pump */
+        struct tasklet_struct           pump_transfers;
+        struct spi_message              *cur_msg;
+        struct spi_transfer             *cur_transfer;
+        struct chip_data                *cur_chip;
+        void                            *tx;
+        void                            *tx_end;
+        void                            *rx;
+        void                            *rx_end;
+        enum ssp_reading                read;
+        enum ssp_writing                write;
+};
+
+/**
+ * struct chip_data - To maintain runtime state of SSP for each client chip
+ * @cr0: Value of control register CR0 of SSP
+ * @cr1: Value of control register CR1 of SSP
+ * @dmacr: Value of DMA control Register of SSP
+ * @cpsr: Value of Clock prescale register
+ * @n_bytes: how many bytes(power of 2) reqd for a given data width of client
+ * @enable_dma: Whether to enable DMA or not
+ * @write: function ptr to be used to write when doing xfer for this chip
+ * @read: function ptr to be used to read when doing xfer for this chip
+ * @cs_control: chip select callback provided by chip
+ * @xfer_type: polling/interrupt/DMA
+ *
+ * Runtime state of the SSP controller, maintained per chip,
+ * This would be set according to the current message that would be served
+ */
+struct chip_data {
+        u16 cr0;
+        u16 cr1;
+        u16 dmacr;
+        u16 cpsr;
+        u8 n_bytes;
+        u8 enable_dma:1;
+        enum ssp_reading read;
+        enum ssp_writing write;
+        void (*cs_control) (u32 command);
+        int xfer_type;
+};
+
+/**
+ * null_cs_control - Dummy chip select function
+ * @command: select/delect the chip
+ *
+ * If no chip select function is provided by client this is used as dummy
+ * chip select
+ */
+static void null_cs_control(u32 command)
+{
+        pr_debug("pl022: dummy chip select control, CS=0x%x\n", command);
+}
+
+/**
+ * giveback - current spi_message is over, schedule next message and call
+ * callback of this message. Assumes that caller already
+ * set message->status; dma and pio irqs are blocked
+ * @pl022: SSP driver private data structure
+ */
+static void giveback(struct pl022 *pl022)
+{
+        struct spi_transfer *last_transfer;
+        unsigned long flags;
+        struct spi_message *msg;
+        void (*curr_cs_control) (u32 command);
+
+        /*
+         * This local reference to the chip select function
+         * is needed because we set curr_chip to NULL
+         * as a step toward termininating the message.
+         */
+        curr_cs_control = pl022->cur_chip->cs_control;
+        spin_lock_irqsave(&pl022->queue_lock, flags);
+        msg = pl022->cur_msg;
+        pl022->cur_msg = NULL;
+        pl022->cur_transfer = NULL;
+        pl022->cur_chip = NULL;
+        queue_work(pl022->workqueue, &pl022->pump_messages);
+        spin_unlock_irqrestore(&pl022->queue_lock, flags);
+
+        last_transfer = list_entry(msg->transfers.prev,
+                                        struct spi_transfer,
+                                        transfer_list);
+
+        /* Delay if requested before any change in chip select */
+        if (last_transfer->delay_usecs)
+                /*
+                 * FIXME: This runs in interrupt context.
+                 * Is this really smart?
+                 */
+                udelay(last_transfer->delay_usecs);
+
+        /*
+         * Drop chip select UNLESS cs_change is true or we are returning
+         * a message with an error, or next message is for another chip
+         */
+        if (!last_transfer->cs_change)
+                curr_cs_control(SSP_CHIP_DESELECT);
+        else {
+                struct spi_message *next_msg;
+
+                /* Holding of cs was hinted, but we need to make sure
+                 * the next message is for the same chip.  Don't waste
+                 * time with the following tests unless this was hinted.
+                 *
+                 * We cannot postpone this until pump_messages, because
+                 * after calling msg->complete (below) the driver that
+                 * sent the current message could be unloaded, which
+                 * could invalidate the cs_control() callback...
+                 */
+
+                /* get a pointer to the next message, if any */
+                spin_lock_irqsave(&pl022->queue_lock, flags);
+                if (list_empty(&pl022->queue))
+                        next_msg = NULL;
+                else
+                        next_msg = list_entry(pl022->queue.next,
+                                        struct spi_message, queue);
+                spin_unlock_irqrestore(&pl022->queue_lock, flags);
+
+                /* see if the next and current messages point
+                 * to the same chip
+                 */
+                if (next_msg && next_msg->spi != msg->spi)
+                        next_msg = NULL;
+                if (!next_msg || msg->state == STATE_ERROR)
+                        curr_cs_control(SSP_CHIP_DESELECT);
+        }
+        msg->state = NULL;
+        if (msg->complete)
+                msg->complete(msg->context);
+        /* This message is completed, so let's turn off the clock! */
+        clk_disable(pl022->clk);
+}
+
+/**
+ * flush - flush the FIFO to reach a clean state
+ * @pl022: SSP driver private data structure
+ */
+static int flush(struct pl022 *pl022)
+{
+        unsigned long limit = loops_per_jiffy << 1;
+
+        dev_dbg(&pl022->adev->dev, "flush\n");
+        do {
+                while (readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE)
+                        readw(SSP_DR(pl022->virtbase));
+        } while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_BSY) && limit--);
+        return limit;
+}
+
+/**
+ * restore_state - Load configuration of current chip
+ * @pl022: SSP driver private data structure
+ */
+static void restore_state(struct pl022 *pl022)
+{
+        struct chip_data *chip = pl022->cur_chip;
+
+        writew(chip->cr0, SSP_CR0(pl022->virtbase));
+        writew(chip->cr1, SSP_CR1(pl022->virtbase));
+        writew(chip->dmacr, SSP_DMACR(pl022->virtbase));
+        writew(chip->cpsr, SSP_CPSR(pl022->virtbase));
+        writew(DISABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase));
+        writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase));
+}
+
+/**
+ * load_ssp_default_config - Load default configuration for SSP
+ * @pl022: SSP driver private data structure
+ */
+
+/*
+ * Default SSP Register Values
+ */
+#define DEFAULT_SSP_REG_CR0 ( \
+        GEN_MASK_BITS(SSP_DATA_BITS_12, SSP_CR0_MASK_DSS, 0)    | \
+        GEN_MASK_BITS(SSP_MICROWIRE_CHANNEL_FULL_DUPLEX, SSP_CR0_MASK_HALFDUP, 5) | \
+        GEN_MASK_BITS(SSP_CLK_POL_IDLE_LOW, SSP_CR0_MASK_SPO, 6) | \
+        GEN_MASK_BITS(SSP_CLK_FALLING_EDGE, SSP_CR0_MASK_SPH, 7) | \
+        GEN_MASK_BITS(NMDK_SSP_DEFAULT_CLKRATE, SSP_CR0_MASK_SCR, 8) | \
+        GEN_MASK_BITS(SSP_BITS_8, SSP_CR0_MASK_CSS, 16) | \
+        GEN_MASK_BITS(SSP_INTERFACE_MOTOROLA_SPI, SSP_CR0_MASK_FRF, 21) \
+)
+
+#define DEFAULT_SSP_REG_CR1 ( \
+        GEN_MASK_BITS(LOOPBACK_DISABLED, SSP_CR1_MASK_LBM, 0) | \
+        GEN_MASK_BITS(SSP_DISABLED, SSP_CR1_MASK_SSE, 1) | \
+        GEN_MASK_BITS(SSP_MASTER, SSP_CR1_MASK_MS, 2) | \
+        GEN_MASK_BITS(DO_NOT_DRIVE_TX, SSP_CR1_MASK_SOD, 3) | \
+        GEN_MASK_BITS(SSP_RX_MSB, SSP_CR1_MASK_RENDN, 4) | \
+        GEN_MASK_BITS(SSP_TX_MSB, SSP_CR1_MASK_TENDN, 5) | \
+        GEN_MASK_BITS(SSP_MWIRE_WAIT_ZERO, SSP_CR1_MASK_MWAIT, 6) |\
+        GEN_MASK_BITS(SSP_RX_1_OR_MORE_ELEM, SSP_CR1_MASK_RXIFLSEL, 7) | \
+        GEN_MASK_BITS(SSP_TX_1_OR_MORE_EMPTY_LOC, SSP_CR1_MASK_TXIFLSEL, 10) \
+)
+
+#define DEFAULT_SSP_REG_CPSR ( \
+        GEN_MASK_BITS(NMDK_SSP_DEFAULT_PRESCALE, SSP_CPSR_MASK_CPSDVSR, 0) \
+)
+
+#define DEFAULT_SSP_REG_DMACR (\
+        GEN_MASK_BITS(SSP_DMA_DISABLED, SSP_DMACR_MASK_RXDMAE, 0) | \
+        GEN_MASK_BITS(SSP_DMA_DISABLED, SSP_DMACR_MASK_TXDMAE, 1) \
+)
+
+
+static void load_ssp_default_config(struct pl022 *pl022)
+{
+        writew(DEFAULT_SSP_REG_CR0, SSP_CR0(pl022->virtbase));
+        writew(DEFAULT_SSP_REG_CR1, SSP_CR1(pl022->virtbase));
+        writew(DEFAULT_SSP_REG_DMACR, SSP_DMACR(pl022->virtbase));
+        writew(DEFAULT_SSP_REG_CPSR, SSP_CPSR(pl022->virtbase));
+        writew(DISABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase));
+        writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase));
+}
+
+/**
+ * This will write to TX and read from RX according to the parameters
+ * set in pl022.
+ */
+static void readwriter(struct pl022 *pl022)
+{
+
+        /*
+         * The FIFO depth is different inbetween primecell variants.
+         * I believe filling in too much in the FIFO might cause
+         * errons in 8bit wide transfers on ARM variants (just 8 words
+         * FIFO, means only 8x8 = 64 bits in FIFO) at least.
+         *
+         * FIXME: currently we have no logic to account for this.
+         * perhaps there is even something broken in HW regarding
+         * 8bit transfers (it doesn't fail on 16bit) so this needs
+         * more investigation...
+         */
+        dev_dbg(&pl022->adev->dev,
+                "%s, rx: %p, rxend: %p, tx: %p, txend: %p\n",
+                __func__, pl022->rx, pl022->rx_end, pl022->tx, pl022->tx_end);
+
+        /* Read as much as you can */
+        while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE)
+               && (pl022->rx < pl022->rx_end)) {
+                switch (pl022->read) {
+                case READING_NULL:
+                        readw(SSP_DR(pl022->virtbase));
+                        break;
+                case READING_U8:
+                        *(u8 *) (pl022->rx) =
+                                readw(SSP_DR(pl022->virtbase)) & 0xFFU;
+                        break;
+                case READING_U16:
+                        *(u16 *) (pl022->rx) =
+                                (u16) readw(SSP_DR(pl022->virtbase));
+                        break;
+                case READING_U32:
+                        *(u32 *) (pl022->rx) =
+                                readl(SSP_DR(pl022->virtbase));
+                        break;
+                }
+                pl022->rx += (pl022->cur_chip->n_bytes);
+        }
+        /*
+         * Write as much as you can, while keeping an eye on the RX FIFO!
+         */
+        while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_TNF)
+               && (pl022->tx < pl022->tx_end)) {
+                switch (pl022->write) {
+                case WRITING_NULL:
+                        writew(0x0, SSP_DR(pl022->virtbase));
+                        break;
+                case WRITING_U8:
+                        writew(*(u8 *) (pl022->tx), SSP_DR(pl022->virtbase));
+                        break;
+                case WRITING_U16:
+                        writew((*(u16 *) (pl022->tx)), SSP_DR(pl022->virtbase));
+                        break;
+                case WRITING_U32:
+                        writel(*(u32 *) (pl022->tx), SSP_DR(pl022->virtbase));
+                        break;
+                }
+                pl022->tx += (pl022->cur_chip->n_bytes);
+                /*
+                 * This inner reader takes care of things appearing in the RX
+                 * FIFO as we're transmitting. This will happen a lot since the
+                 * clock starts running when you put things into the TX FIFO,
+                 * and then things are continously clocked into the RX FIFO.
+                 */
+                while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE)
+                       && (pl022->rx < pl022->rx_end)) {
+                        switch (pl022->read) {
+                        case READING_NULL:
+                                readw(SSP_DR(pl022->virtbase));
+                                break;
+                        case READING_U8:
+                                *(u8 *) (pl022->rx) =
+                                        readw(SSP_DR(pl022->virtbase)) & 0xFFU;
+                                break;
+                        case READING_U16:
+                                *(u16 *) (pl022->rx) =
+                                        (u16) readw(SSP_DR(pl022->virtbase));
+                                break;
+                        case READING_U32:
+                                *(u32 *) (pl022->rx) =
+                                        readl(SSP_DR(pl022->virtbase));
+                                break;
+                        }
+                        pl022->rx += (pl022->cur_chip->n_bytes);
+                }
+        }
+        /*
+         * When we exit here the TX FIFO should be full and the RX FIFO
+         * should be empty
+         */
+}
+
+
+/**
+ * next_transfer - Move to the Next transfer in the current spi message
+ * @pl022: SSP driver private data structure
+ *
+ * This function moves though the linked list of spi transfers in the
+ * current spi message and returns with the state of current spi
+ * message i.e whether its last transfer is done(STATE_DONE) or
+ * Next transfer is ready(STATE_RUNNING)
+ */
+static void *next_transfer(struct pl022 *pl022)
+{
+        struct spi_message *msg = pl022->cur_msg;
+        struct spi_transfer *trans = pl022->cur_transfer;
+
+        /* Move to next transfer */
+        if (trans->transfer_list.next != &msg->transfers) {
+                pl022->cur_transfer =
+                    list_entry(trans->transfer_list.next,
+                               struct spi_transfer, transfer_list);
+                return STATE_RUNNING;
+        }
+        return STATE_DONE;
+}
+/**
+ * pl022_interrupt_handler - Interrupt handler for SSP controller
+ *
+ * This function handles interrupts generated for an interrupt based transfer.
+ * If a receive overrun (ROR) interrupt is there then we disable SSP, flag the
+ * current message's state as STATE_ERROR and schedule the tasklet
+ * pump_transfers which will do the postprocessing of the current message by
+ * calling giveback(). Otherwise it reads data from RX FIFO till there is no
+ * more data, and writes data in TX FIFO till it is not full. If we complete
+ * the transfer we move to the next transfer and schedule the tasklet.
+ */
+static irqreturn_t pl022_interrupt_handler(int irq, void *dev_id)
+{
+        struct pl022 *pl022 = dev_id;
+        struct spi_message *msg = pl022->cur_msg;
+        u16 irq_status = 0;
+        u16 flag = 0;
+
+        if (unlikely(!msg)) {
+                dev_err(&pl022->adev->dev,
+                        "bad message state in interrupt handler");
+                /* Never fail */
+                return IRQ_HANDLED;
+        }
+
+        /* Read the Interrupt Status Register */
+        irq_status = readw(SSP_MIS(pl022->virtbase));
+
+        if (unlikely(!irq_status))
+                return IRQ_NONE;
+
+        /* This handles the error code interrupts */
+        if (unlikely(irq_status & SSP_MIS_MASK_RORMIS)) {
+                /*
+                 * Overrun interrupt - bail out since our Data has been
+                 * corrupted
+                 */
+                dev_err(&pl022->adev->dev,
+                        "FIFO overrun\n");
+                if (readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RFF)
+                        dev_err(&pl022->adev->dev,
+                                "RXFIFO is full\n");
+                if (readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_TNF)
+                        dev_err(&pl022->adev->dev,
+                                "TXFIFO is full\n");
+
+                /*
+                 * Disable and clear interrupts, disable SSP,
+                 * mark message with bad status so it can be
+                 * retried.
+                 */
+                writew(DISABLE_ALL_INTERRUPTS,
+                       SSP_IMSC(pl022->virtbase));
+                writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase));
+                writew((readw(SSP_CR1(pl022->virtbase)) &
+                        (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));
+                msg->state = STATE_ERROR;
+
+                /* Schedule message queue handler */
+                tasklet_schedule(&pl022->pump_transfers);
+                return IRQ_HANDLED;
+        }
+
+        readwriter(pl022);
+
+        if ((pl022->tx == pl022->tx_end) && (flag == 0)) {
+                flag = 1;
+                /* Disable Transmit interrupt */
+                writew(readw(SSP_IMSC(pl022->virtbase)) &
+                       (~SSP_IMSC_MASK_TXIM),
+                       SSP_IMSC(pl022->virtbase));
+        }
+
+        /*
+         * Since all transactions must write as much as shall be read,
+         * we can conclude the entire transaction once RX is complete.
+         * At this point, all TX will always be finished.
+         */
+        if (pl022->rx >= pl022->rx_end) {
+                writew(DISABLE_ALL_INTERRUPTS,
+                       SSP_IMSC(pl022->virtbase));
+                writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase));
+                if (unlikely(pl022->rx > pl022->rx_end)) {
+                        dev_warn(&pl022->adev->dev, "read %u surplus "
+                                 "bytes (did you request an odd "
+                                 "number of bytes on a 16bit bus?)\n",
+                                 (u32) (pl022->rx - pl022->rx_end));
+                }
+                /* Update total bytes transfered */
+                msg->actual_length += pl022->cur_transfer->len;
+                if (pl022->cur_transfer->cs_change)
+                        pl022->cur_chip->
+                                cs_control(SSP_CHIP_DESELECT);
+                /* Move to next transfer */
+                msg->state = next_transfer(pl022);
+                tasklet_schedule(&pl022->pump_transfers);
+                return IRQ_HANDLED;
+        }
+
+        return IRQ_HANDLED;
+}
+
+/**
+ * This sets up the pointers to memory for the next message to
+ * send out on the SPI bus.
+ */
+static int set_up_next_transfer(struct pl022 *pl022,
+                                struct spi_transfer *transfer)
+{
+        int residue;
+
+        /* Sanity check the message for this bus width */
+        residue = pl022->cur_transfer->len % pl022->cur_chip->n_bytes;
+        if (unlikely(residue != 0)) {
+                dev_err(&pl022->adev->dev,
+                        "message of %u bytes to transmit but the current "
+                        "chip bus has a data width of %u bytes!\n",
+                        pl022->cur_transfer->len,
+                        pl022->cur_chip->n_bytes);
+                dev_err(&pl022->adev->dev, "skipping this message\n");
+                return -EIO;
+        }
+        pl022->tx = (void *)transfer->tx_buf;
+        pl022->tx_end = pl022->tx + pl022->cur_transfer->len;
+        pl022->rx = (void *)transfer->rx_buf;
+        pl022->rx_end = pl022->rx + pl022->cur_transfer->len;
+        pl022->write =
+            pl022->tx ? pl022->cur_chip->write : WRITING_NULL;
+        pl022->read = pl022->rx ? pl022->cur_chip->read : READING_NULL;
+        return 0;
+}
+
+/**
+ * pump_transfers - Tasklet function which schedules next interrupt transfer
+ * when running in interrupt transfer mode.
+ * @data: SSP driver private data structure
+ *
+ */
+static void pump_transfers(unsigned long data)
+{
+        struct pl022 *pl022 = (struct pl022 *) data;
+        struct spi_message *message = NULL;
+        struct spi_transfer *transfer = NULL;
+        struct spi_transfer *previous = NULL;
+
+        /* Get current state information */
+        message = pl022->cur_msg;
+        transfer = pl022->cur_transfer;
+
+        /* Handle for abort */
+        if (message->state == STATE_ERROR) {
+                message->status = -EIO;
+                giveback(pl022);
+                return;
+        }
+
+        /* Handle end of message */
+        if (message->state == STATE_DONE) {
+                message->status = 0;
+                giveback(pl022);
+                return;
+        }
+
+        /* Delay if requested at end of transfer before CS change */
+        if (message->state == STATE_RUNNING) {
+                previous = list_entry(transfer->transfer_list.prev,
+                                        struct spi_transfer,
+                                        transfer_list);
+                if (previous->delay_usecs)
+                        /*
+                         * FIXME: This runs in interrupt context.
+                         * Is this really smart?
+                         */
+                        udelay(previous->delay_usecs);
+
+                /* Drop chip select only if cs_change is requested */
+                if (previous->cs_change)
+                        pl022->cur_chip->cs_control(SSP_CHIP_SELECT);
+        } else {
+                /* STATE_START */
+                message->state = STATE_RUNNING;
+        }
+
+        if (set_up_next_transfer(pl022, transfer)) {
+                message->state = STATE_ERROR;
+                message->status = -EIO;
+                giveback(pl022);
+                return;
+        }
+        /* Flush the FIFOs and let's go! */
+        flush(pl022);
+        writew(ENABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase));
+}
+
+/**
+ * NOT IMPLEMENTED
+ * configure_dma - It configures the DMA pipes for DMA transfers
+ * @data: SSP driver's private data structure
+ *
+ */
+static int configure_dma(void *data)
+{
+        struct pl022 *pl022 = data;
+        dev_dbg(&pl022->adev->dev, "configure DMA\n");
+        return -ENOTSUPP;
+}
+
+/**
+ * do_dma_transfer - It handles transfers of the current message
+ * if it is DMA xfer.
+ * NOT FULLY IMPLEMENTED
+ * @data: SSP driver's private data structure
+ */
+static void do_dma_transfer(void *data)
+{
+        struct pl022 *pl022 = data;
+
+        if (configure_dma(data)) {
+                dev_dbg(&pl022->adev->dev, "configuration of DMA Failed!\n");
+                goto err_config_dma;
+        }
+
+        /* TODO: Implememt DMA setup of pipes here */
+
+        /* Enable target chip, set up transfer */
+        pl022->cur_chip->cs_control(SSP_CHIP_SELECT);
+        if (set_up_next_transfer(pl022, pl022->cur_transfer)) {
+                /* Error path */
+                pl022->cur_msg->state = STATE_ERROR;
+                pl022->cur_msg->status = -EIO;
+                giveback(pl022);
+                return;
+        }
+        /* Enable SSP */
+        writew((readw(SSP_CR1(pl022->virtbase)) | SSP_CR1_MASK_SSE),
+               SSP_CR1(pl022->virtbase));
+
+        /* TODO: Enable the DMA transfer here */
+        return;
+
+ err_config_dma:
+        pl022->cur_msg->state = STATE_ERROR;
+        pl022->cur_msg->status = -EIO;
+        giveback(pl022);
+        return;
+}
+
+static void do_interrupt_transfer(void *data)
+{
+        struct pl022 *pl022 = data;
+
+        /* Enable target chip */
+        pl022->cur_chip->cs_control(SSP_CHIP_SELECT);
+        if (set_up_next_transfer(pl022, pl022->cur_transfer)) {
+                /* Error path */
+                pl022->cur_msg->state = STATE_ERROR;
+                pl022->cur_msg->status = -EIO;
+                giveback(pl022);
+                return;
+        }
+        /* Enable SSP, turn on interrupts */
+        writew((readw(SSP_CR1(pl022->virtbase)) | SSP_CR1_MASK_SSE),
+               SSP_CR1(pl022->virtbase));
+        writew(ENABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase));
+}
+
+static void do_polling_transfer(void *data)
+{
+        struct pl022 *pl022 = data;
+        struct spi_message *message = NULL;
+        struct spi_transfer *transfer = NULL;
+        struct spi_transfer *previous = NULL;
+        struct chip_data *chip;
+
+        chip = pl022->cur_chip;
+        message = pl022->cur_msg;
+
+        while (message->state != STATE_DONE) {
+                /* Handle for abort */
+                if (message->state == STATE_ERROR)
+                        break;
+                transfer = pl022->cur_transfer;
+
+                /* Delay if requested at end of transfer */
+                if (message->state == STATE_RUNNING) {
+                        previous =
+                            list_entry(transfer->transfer_list.prev,
+                                       struct spi_transfer, transfer_list);
+                        if (previous->delay_usecs)
+                                udelay(previous->delay_usecs);
+                        if (previous->cs_change)
+                                pl022->cur_chip->cs_control(SSP_CHIP_SELECT);
+                } else {
+                        /* STATE_START */
+                        message->state = STATE_RUNNING;
+                        pl022->cur_chip->cs_control(SSP_CHIP_SELECT);
+                }
+
+                /* Configuration Changing Per Transfer */
+                if (set_up_next_transfer(pl022, transfer)) {
+                        /* Error path */
+                        message->state = STATE_ERROR;
+                        break;
+                }
+                /* Flush FIFOs and enable SSP */
+                flush(pl022);
+                writew((readw(SSP_CR1(pl022->virtbase)) | SSP_CR1_MASK_SSE),
+                       SSP_CR1(pl022->virtbase));
+
+                dev_dbg(&pl022->adev->dev, "POLLING TRANSFER ONGOING ... \n");
+                /* FIXME: insert a timeout so we don't hang here indefinately */
+                while (pl022->tx < pl022->tx_end || pl022->rx < pl022->rx_end)
+                        readwriter(pl022);
+
+                /* Update total byte transfered */
+                message->actual_length += pl022->cur_transfer->len;
+                if (pl022->cur_transfer->cs_change)
+                        pl022->cur_chip->cs_control(SSP_CHIP_DESELECT);
+                /* Move to next transfer */
+                message->state = next_transfer(pl022);
+        }
+
+        /* Handle end of message */
+        if (message->state == STATE_DONE)
+                message->status = 0;
+        else
+                message->status = -EIO;
+
+        giveback(pl022);
+        return;
+}
+
+/**
+ * pump_messages - Workqueue function which processes spi message queue
+ * @data: pointer to private data of SSP driver
+ *
+ * This function checks if there is any spi message in the queue that
+ * needs processing and delegate control to appropriate function
+ * do_polling_transfer()/do_interrupt_transfer()/do_dma_transfer()
+ * based on the kind of the transfer
+ *
+ */
+static void pump_messages(struct work_struct *work)
+{
+        struct pl022 *pl022 =
+                container_of(work, struct pl022, pump_messages);
+        unsigned long flags;
+
+        /* Lock queue and check for queue work */
+        spin_lock_irqsave(&pl022->queue_lock, flags);
+        if (list_empty(&pl022->queue) || pl022->run == QUEUE_STOPPED) {
+                pl022->busy = 0;
+                spin_unlock_irqrestore(&pl022->queue_lock, flags);
+                return;
+        }
+        /* Make sure we are not already running a message */
+        if (pl022->cur_msg) {
+                spin_unlock_irqrestore(&pl022->queue_lock, flags);
+                return;
+        }
+        /* Extract head of queue */
+        pl022->cur_msg =
+            list_entry(pl022->queue.next, struct spi_message, queue);
+
+        list_del_init(&pl022->cur_msg->queue);
+        pl022->busy = 1;
+        spin_unlock_irqrestore(&pl022->queue_lock, flags);
+
+        /* Initial message state */
+        pl022->cur_msg->state = STATE_START;
+        pl022->cur_transfer = list_entry(pl022->cur_msg->transfers.next,
+                                            struct spi_transfer,
+                                            transfer_list);
+
+        /* Setup the SPI using the per chip configuration */
+        pl022->cur_chip = spi_get_ctldata(pl022->cur_msg->spi);
+        /*
+         * We enable the clock here, then the clock will be disabled when
+         * giveback() is called in each method (poll/interrupt/DMA)
+         */
+        clk_enable(pl022->clk);
+        restore_state(pl022);
+        flush(pl022);
+
+        if (pl022->cur_chip->xfer_type == POLLING_TRANSFER)
+                do_polling_transfer(pl022);
+        else if (pl022->cur_chip->xfer_type == INTERRUPT_TRANSFER)
+                do_interrupt_transfer(pl022);
+        else
+                do_dma_transfer(pl022);
+}
+
+
+static int __init init_queue(struct pl022 *pl022)
+{
+        INIT_LIST_HEAD(&pl022->queue);
+        spin_lock_init(&pl022->queue_lock);
+
+        pl022->run = QUEUE_STOPPED;
+        pl022->busy = 0;
+
+        tasklet_init(&pl022->pump_transfers,
+                        pump_transfers, (unsigned long)pl022);
+
+        INIT_WORK(&pl022->pump_messages, pump_messages);
+        pl022->workqueue = create_singlethread_workqueue(
+                                        dev_name(pl022->master->dev.parent));
+        if (pl022->workqueue == NULL)
+                return -EBUSY;
+
+        return 0;
+}
+
+
+static int start_queue(struct pl022 *pl022)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&pl022->queue_lock, flags);
+
+        if (pl022->run == QUEUE_RUNNING || pl022->busy) {
+                spin_unlock_irqrestore(&pl022->queue_lock, flags);
+                return -EBUSY;
+        }
+
+        pl022->run = QUEUE_RUNNING;
+        pl022->cur_msg = NULL;
+        pl022->cur_transfer = NULL;
+        pl022->cur_chip = NULL;
+        spin_unlock_irqrestore(&pl022->queue_lock, flags);
+
+        queue_work(pl022->workqueue, &pl022->pump_messages);
+
+        return 0;
+}
+
+
+static int stop_queue(struct pl022 *pl022)
+{
+        unsigned long flags;
+        unsigned limit = 500;
+        int status = 0;
+
+        spin_lock_irqsave(&pl022->queue_lock, flags);
+
+        /* This is a bit lame, but is optimized for the common execution path.
+         * A wait_queue on the pl022->busy could be used, but then the common
+         * execution path (pump_messages) would be required to call wake_up or
+         * friends on every SPI message. Do this instead */
+        pl022->run = QUEUE_STOPPED;
+        while (!list_empty(&pl022->queue) && pl022->busy && limit--) {
+                spin_unlock_irqrestore(&pl022->queue_lock, flags);
+                msleep(10);
+                spin_lock_irqsave(&pl022->queue_lock, flags);
+        }
+
+        if (!list_empty(&pl022->queue) || pl022->busy)
+                status = -EBUSY;
+
+        spin_unlock_irqrestore(&pl022->queue_lock, flags);
+
+        return status;
+}
+
+static int destroy_queue(struct pl022 *pl022)
+{
+        int status;
+
+        status = stop_queue(pl022);
+        /* we are unloading the module or failing to load (only two calls
+         * to this routine), and neither call can handle a return value.
+         * However, destroy_workqueue calls flush_workqueue, and that will
+         * block until all work is done.  If the reason that stop_queue
+         * timed out is that the work will never finish, then it does no
+         * good to call destroy_workqueue, so return anyway. */
+        if (status != 0)
+                return status;
+
+        destroy_workqueue(pl022->workqueue);
+
+        return 0;
+}
+
+static int verify_controller_parameters(struct pl022 *pl022,
+                                        struct pl022_config_chip *chip_info)
+{
+        if ((chip_info->lbm != LOOPBACK_ENABLED)
+            && (chip_info->lbm != LOOPBACK_DISABLED)) {
+                dev_err(chip_info->dev,
+                        "loopback Mode is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if ((chip_info->iface < SSP_INTERFACE_MOTOROLA_SPI)
+            || (chip_info->iface > SSP_INTERFACE_UNIDIRECTIONAL)) {
+                dev_err(chip_info->dev,
+                        "interface is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if ((chip_info->iface == SSP_INTERFACE_UNIDIRECTIONAL) &&
+            (!pl022->vendor->unidir)) {
+                dev_err(chip_info->dev,
+                        "unidirectional mode not supported in this "
+                        "hardware version\n");
+                return -EINVAL;
+        }
+        if ((chip_info->hierarchy != SSP_MASTER)
+            && (chip_info->hierarchy != SSP_SLAVE)) {
+                dev_err(chip_info->dev,
+                        "hierarchy is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if (((chip_info->clk_freq).cpsdvsr < CPSDVR_MIN)
+            || ((chip_info->clk_freq).cpsdvsr > CPSDVR_MAX)) {
+                dev_err(chip_info->dev,
+                        "cpsdvsr is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if ((chip_info->endian_rx != SSP_RX_MSB)
+            && (chip_info->endian_rx != SSP_RX_LSB)) {
+                dev_err(chip_info->dev,
+                        "RX FIFO endianess is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if ((chip_info->endian_tx != SSP_TX_MSB)
+            && (chip_info->endian_tx != SSP_TX_LSB)) {
+                dev_err(chip_info->dev,
+                        "TX FIFO endianess is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if ((chip_info->data_size < SSP_DATA_BITS_4)
+            || (chip_info->data_size > SSP_DATA_BITS_32)) {
+                dev_err(chip_info->dev,
+                        "DATA Size is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if ((chip_info->com_mode != INTERRUPT_TRANSFER)
+            && (chip_info->com_mode != DMA_TRANSFER)
+            && (chip_info->com_mode != POLLING_TRANSFER)) {
+                dev_err(chip_info->dev,
+                        "Communication mode is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if ((chip_info->rx_lev_trig < SSP_RX_1_OR_MORE_ELEM)
+            || (chip_info->rx_lev_trig > SSP_RX_32_OR_MORE_ELEM)) {
+                dev_err(chip_info->dev,
+                        "RX FIFO Trigger Level is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if ((chip_info->tx_lev_trig < SSP_TX_1_OR_MORE_EMPTY_LOC)
+            || (chip_info->tx_lev_trig > SSP_TX_32_OR_MORE_EMPTY_LOC)) {
+                dev_err(chip_info->dev,
+                        "TX FIFO Trigger Level is configured incorrectly\n");
+                return -EINVAL;
+        }
+        if (chip_info->iface == SSP_INTERFACE_MOTOROLA_SPI) {
+                if ((chip_info->clk_phase != SSP_CLK_RISING_EDGE)
+                    && (chip_info->clk_phase != SSP_CLK_FALLING_EDGE)) {
+                        dev_err(chip_info->dev,
+                                "Clock Phase is configured incorrectly\n");
+                        return -EINVAL;
+                }
+                if ((chip_info->clk_pol != SSP_CLK_POL_IDLE_LOW)
+                    && (chip_info->clk_pol != SSP_CLK_POL_IDLE_HIGH)) {
+                        dev_err(chip_info->dev,
+                                "Clock Polarity is configured incorrectly\n");
+                        return -EINVAL;
+                }
+        }
+        if (chip_info->iface == SSP_INTERFACE_NATIONAL_MICROWIRE) {
+                if ((chip_info->ctrl_len < SSP_BITS_4)
+                    || (chip_info->ctrl_len > SSP_BITS_32)) {
+                        dev_err(chip_info->dev,
+                                "CTRL LEN is configured incorrectly\n");
+                        return -EINVAL;
+                }
+                if ((chip_info->wait_state != SSP_MWIRE_WAIT_ZERO)
+                    && (chip_info->wait_state != SSP_MWIRE_WAIT_ONE)) {
+                        dev_err(chip_info->dev,
+                                "Wait State is configured incorrectly\n");
+                        return -EINVAL;
+                }
+                if ((chip_info->duplex != SSP_MICROWIRE_CHANNEL_FULL_DUPLEX)
+                    && (chip_info->duplex !=
+                        SSP_MICROWIRE_CHANNEL_HALF_DUPLEX)) {
+                        dev_err(chip_info->dev,
+                                "DUPLEX is configured incorrectly\n");
+                        return -EINVAL;
+                }
+        }
+        if (chip_info->cs_control == NULL) {
+                dev_warn(chip_info->dev,
+                        "Chip Select Function is NULL for this chip\n");
+                chip_info->cs_control = null_cs_control;
+        }
+        return 0;
+}
+
+/**
+ * pl022_transfer - transfer function registered to SPI master framework
+ * @spi: spi device which is requesting transfer
+ * @msg: spi message which is to handled is queued to driver queue
+ *
+ * This function is registered to the SPI framework for this SPI master
+ * controller. It will queue the spi_message in the queue of driver if
+ * the queue is not stopped and return.
+ */
+static int pl022_transfer(struct spi_device *spi, struct spi_message *msg)
+{
+        struct pl022 *pl022 = spi_master_get_devdata(spi->master);
+        unsigned long flags;
+
+        spin_lock_irqsave(&pl022->queue_lock, flags);
+
+        if (pl022->run == QUEUE_STOPPED) {
+                spin_unlock_irqrestore(&pl022->queue_lock, flags);
+                return -ESHUTDOWN;
+        }
+        msg->actual_length = 0;
+        msg->status = -EINPROGRESS;
+        msg->state = STATE_START;
+
+        list_add_tail(&msg->queue, &pl022->queue);
+        if (pl022->run == QUEUE_RUNNING && !pl022->busy)
+                queue_work(pl022->workqueue, &pl022->pump_messages);
+
+        spin_unlock_irqrestore(&pl022->queue_lock, flags);
+        return 0;
+}
+
+static int calculate_effective_freq(struct pl022 *pl022,
+                                    int freq,
+                                    struct ssp_clock_params *clk_freq)
+{
+        /* Lets calculate the frequency parameters */
+        u16 cpsdvsr = 2;
+        u16 scr = 0;
+        bool freq_found = false;
+        u32 rate;
+        u32 max_tclk;
+        u32 min_tclk;
+
+        rate = clk_get_rate(pl022->clk);
+        /* cpsdvscr = 2 & scr 0 */
+        max_tclk = (rate / (CPSDVR_MIN * (1 + SCR_MIN)));
+        /* cpsdvsr = 254 & scr = 255 */
+        min_tclk = (rate / (CPSDVR_MAX * (1 + SCR_MAX)));
+
+        if ((freq <= max_tclk) && (freq >= min_tclk)) {
+                while (cpsdvsr <= CPSDVR_MAX && !freq_found) {
+                        while (scr <= SCR_MAX && !freq_found) {
+                                if ((rate /
+                                     (cpsdvsr * (1 + scr))) > freq)
+                                        scr += 1;
+                                else {
+                                        /*
+                                         * This bool is made true when
+                                         * effective frequency >=
+                                         * target frequency is found
+                                         */
+                                        freq_found = true;
+                                        if ((rate /
+                                             (cpsdvsr * (1 + scr))) != freq) {
+                                                if (scr == SCR_MIN) {
+                                                        cpsdvsr -= 2;
+                                                        scr = SCR_MAX;
+                                                } else
+                                                        scr -= 1;
+                                        }
+                                }
+                        }
+                        if (!freq_found) {
+                                cpsdvsr += 2;
+                                scr = SCR_MIN;
+                        }
+                }
+                if (cpsdvsr != 0) {
+                        dev_dbg(&pl022->adev->dev,
+                                "SSP Effective Frequency is %u\n",
+                                (rate / (cpsdvsr * (1 + scr))));
+                        clk_freq->cpsdvsr = (u8) (cpsdvsr & 0xFF);
+                        clk_freq->scr = (u8) (scr & 0xFF);
+                        dev_dbg(&pl022->adev->dev,
+                                "SSP cpsdvsr = %d, scr = %d\n",
+                                clk_freq->cpsdvsr, clk_freq->scr);
+                }
+        } else {
+                dev_err(&pl022->adev->dev,
+                        "controller data is incorrect: out of range frequency");
+                return -EINVAL;
+        }
+        return 0;
+}
+
+/**
+ * NOT IMPLEMENTED
+ * process_dma_info - Processes the DMA info provided by client drivers
+ * @chip_info: chip info provided by client device
+ * @chip: Runtime state maintained by the SSP controller for each spi device
+ *
+ * This function processes and stores DMA config provided by client driver
+ * into the runtime state maintained by the SSP controller driver
+ */
+static int process_dma_info(struct pl022_config_chip *chip_info,
+                            struct chip_data *chip)
+{
+        dev_err(chip_info->dev,
+                "cannot process DMA info, DMA not implemented!\n");
+        return -ENOTSUPP;
+}
+
+/**
+ * pl022_setup - setup function registered to SPI master framework
+ * @spi: spi device which is requesting setup
+ *
+ * This function is registered to the SPI framework for this SPI master
+ * controller. If it is the first time when setup is called by this device,
+ * this function will initialize the runtime state for this chip and save
+ * the same in the device structure. Else it will update the runtime info
+ * with the updated chip info. Nothing is really being written to the
+ * controller hardware here, that is not done until the actual transfer
+ * commence.
+ */
+
+/* FIXME: JUST GUESSING the spi->mode bits understood by this driver */
+#define MODEBITS        (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH \
+                        | SPI_LSB_FIRST | SPI_LOOP)
+
+static int pl022_setup(struct spi_device *spi)
+{
+        struct pl022_config_chip *chip_info;
+        struct chip_data *chip;
+        int status = 0;
+        struct pl022 *pl022 = spi_master_get_devdata(spi->master);
+
+        if (spi->mode & ~MODEBITS) {
+                dev_dbg(&spi->dev, "unsupported mode bits %x\n",
+                        spi->mode & ~MODEBITS);
+                return -EINVAL;
+        }
+
+        if (!spi->max_speed_hz)
+                return -EINVAL;
+
+        /* Get controller_state if one is supplied */
+        chip = spi_get_ctldata(spi);
+
+        if (chip == NULL) {
+                chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
+                if (!chip) {
+                        dev_err(&spi->dev,
+                                "cannot allocate controller state\n");
+                        return -ENOMEM;
+                }
+                dev_dbg(&spi->dev,
+                        "allocated memory for controller's runtime state\n");
+        }
+
+        /* Get controller data if one is supplied */
+        chip_info = spi->controller_data;
+
+        if (chip_info == NULL) {
+                /* spi_board_info.controller_data not is supplied */
+                dev_dbg(&spi->dev,
+                        "using default controller_data settings\n");
+
+                chip_info =
+                        kzalloc(sizeof(struct pl022_config_chip), GFP_KERNEL);
+
+                if (!chip_info) {
+                        dev_err(&spi->dev,
+                                "cannot allocate controller data\n");
+                        status = -ENOMEM;
+                        goto err_first_setup;
+                }
+
+                dev_dbg(&spi->dev, "allocated memory for controller data\n");
+
+                /* Pointer back to the SPI device */
+                chip_info->dev = &spi->dev;
+                /*
+                 * Set controller data default values:
+                 * Polling is supported by default
+                 */
+                chip_info->lbm = LOOPBACK_DISABLED;
+                chip_info->com_mode = POLLING_TRANSFER;
+                chip_info->iface = SSP_INTERFACE_MOTOROLA_SPI;
+                chip_info->hierarchy = SSP_SLAVE;
+                chip_info->slave_tx_disable = DO_NOT_DRIVE_TX;
+                chip_info->endian_tx = SSP_TX_LSB;
+                chip_info->endian_rx = SSP_RX_LSB;
+                chip_info->data_size = SSP_DATA_BITS_12;
+                chip_info->rx_lev_trig = SSP_RX_1_OR_MORE_ELEM;
+                chip_info->tx_lev_trig = SSP_TX_1_OR_MORE_EMPTY_LOC;
+                chip_info->clk_phase = SSP_CLK_FALLING_EDGE;
+                chip_info->clk_pol = SSP_CLK_POL_IDLE_LOW;
+                chip_info->ctrl_len = SSP_BITS_8;
+                chip_info->wait_state = SSP_MWIRE_WAIT_ZERO;
+                chip_info->duplex = SSP_MICROWIRE_CHANNEL_FULL_DUPLEX;
+                chip_info->cs_control = null_cs_control;
+        } else {
+                dev_dbg(&spi->dev,
+                        "using user supplied controller_data settings\n");
+        }
+
+        /*
+         * We can override with custom divisors, else we use the board
+         * frequency setting
+         */
+        if ((0 == chip_info->clk_freq.cpsdvsr)
+            && (0 == chip_info->clk_freq.scr)) {
+                status = calculate_effective_freq(pl022,
+                                                  spi->max_speed_hz,
+                                                  &chip_info->clk_freq);
+                if (status < 0)
+                        goto err_config_params;
+        } else {
+                if ((chip_info->clk_freq.cpsdvsr % 2) != 0)
+                        chip_info->clk_freq.cpsdvsr =
+                                chip_info->clk_freq.cpsdvsr - 1;
+        }
+        status = verify_controller_parameters(pl022, chip_info);
+        if (status) {
+                dev_err(&spi->dev, "controller data is incorrect");
+                goto err_config_params;
+        }
+        /* Now set controller state based on controller data */
+        chip->xfer_type = chip_info->com_mode;
+        chip->cs_control = chip_info->cs_control;
+
+        if (chip_info->data_size <= 8) {
+                dev_dbg(&spi->dev, "1 <= n <=8 bits per word\n");
+                chip->n_bytes = 1;
+                chip->read = READING_U8;
+                chip->write = WRITING_U8;
+        } else if (chip_info->data_size <= 16) {
+                dev_dbg(&spi->dev, "9 <= n <= 16 bits per word\n");
+                chip->n_bytes = 2;
+                chip->read = READING_U16;
+                chip->write = WRITING_U16;
+        } else {
+                if (pl022->vendor->max_bpw >= 32) {
+                        dev_dbg(&spi->dev, "17 <= n <= 32 bits per word\n");
+                        chip->n_bytes = 4;
+                        chip->read = READING_U32;
+                        chip->write = WRITING_U32;
+                } else {
+                        dev_err(&spi->dev,
+                                "illegal data size for this controller!\n");
+                        dev_err(&spi->dev,
+                                "a standard pl022 can only handle "
+                                "1 <= n <= 16 bit words\n");
+                        goto err_config_params;
+                }
+        }
+
+        /* Now Initialize all register settings required for this chip */
+        chip->cr0 = 0;
+        chip->cr1 = 0;
+        chip->dmacr = 0;
+        chip->cpsr = 0;
+        if ((chip_info->com_mode == DMA_TRANSFER)
+            && ((pl022->master_info)->enable_dma)) {
+                chip->enable_dma = 1;
+                dev_dbg(&spi->dev, "DMA mode set in controller state\n");
+                status = process_dma_info(chip_info, chip);
+                if (status < 0)
+                        goto err_config_params;
+                SSP_WRITE_BITS(chip->dmacr, SSP_DMA_ENABLED,
+                               SSP_DMACR_MASK_RXDMAE, 0);
+                SSP_WRITE_BITS(chip->dmacr, SSP_DMA_ENABLED,
+                               SSP_DMACR_MASK_TXDMAE, 1);
+        } else {
+                chip->enable_dma = 0;
+                dev_dbg(&spi->dev, "DMA mode NOT set in controller state\n");
+                SSP_WRITE_BITS(chip->dmacr, SSP_DMA_DISABLED,
+                               SSP_DMACR_MASK_RXDMAE, 0);
+                SSP_WRITE_BITS(chip->dmacr, SSP_DMA_DISABLED,
+                               SSP_DMACR_MASK_TXDMAE, 1);
+        }
+
+        chip->cpsr = chip_info->clk_freq.cpsdvsr;
+
+        SSP_WRITE_BITS(chip->cr0, chip_info->data_size, SSP_CR0_MASK_DSS, 0);
+        SSP_WRITE_BITS(chip->cr0, chip_info->duplex, SSP_CR0_MASK_HALFDUP, 5);
+        SSP_WRITE_BITS(chip->cr0, chip_info->clk_pol, SSP_CR0_MASK_SPO, 6);
+        SSP_WRITE_BITS(chip->cr0, chip_info->clk_phase, SSP_CR0_MASK_SPH, 7);
+        SSP_WRITE_BITS(chip->cr0, chip_info->clk_freq.scr, SSP_CR0_MASK_SCR, 8);
+        SSP_WRITE_BITS(chip->cr0, chip_info->ctrl_len, SSP_CR0_MASK_CSS, 16);
+        SSP_WRITE_BITS(chip->cr0, chip_info->iface, SSP_CR0_MASK_FRF, 21);
+        SSP_WRITE_BITS(chip->cr1, chip_info->lbm, SSP_CR1_MASK_LBM, 0);
+        SSP_WRITE_BITS(chip->cr1, SSP_DISABLED, SSP_CR1_MASK_SSE, 1);
+        SSP_WRITE_BITS(chip->cr1, chip_info->hierarchy, SSP_CR1_MASK_MS, 2);
+        SSP_WRITE_BITS(chip->cr1, chip_info->slave_tx_disable, SSP_CR1_MASK_SOD, 3);
+        SSP_WRITE_BITS(chip->cr1, chip_info->endian_rx, SSP_CR1_MASK_RENDN, 4);
+        SSP_WRITE_BITS(chip->cr1, chip_info->endian_tx, SSP_CR1_MASK_TENDN, 5);
+        SSP_WRITE_BITS(chip->cr1, chip_info->wait_state, SSP_CR1_MASK_MWAIT, 6);
+        SSP_WRITE_BITS(chip->cr1, chip_info->rx_lev_trig, SSP_CR1_MASK_RXIFLSEL, 7);
+        SSP_WRITE_BITS(chip->cr1, chip_info->tx_lev_trig, SSP_CR1_MASK_TXIFLSEL, 10);
+
+        /* Save controller_state */
+        spi_set_ctldata(spi, chip);
+        return status;
+ err_config_params:
+ err_first_setup:
+        kfree(chip);
+        return status;
+}
+
+/**
+ * pl022_cleanup - cleanup function registered to SPI master framework
+ * @spi: spi device which is requesting cleanup
+ *
+ * This function is registered to the SPI framework for this SPI master
+ * controller. It will free the runtime state of chip.
+ */
+static void pl022_cleanup(struct spi_device *spi)
+{
+        struct chip_data *chip = spi_get_ctldata(spi);
+
+        spi_set_ctldata(spi, NULL);
+        kfree(chip);
+}
+
+
+static int __init
+pl022_probe(struct amba_device *adev, struct amba_id *id)
+{
+        struct device *dev = &adev->dev;
+        struct pl022_ssp_controller *platform_info = adev->dev.platform_data;
+        struct spi_master *master;
+        struct pl022 *pl022 = NULL;     /*Data for this driver */
+        int status = 0;
+
+        dev_info(&adev->dev,
+                 "ARM PL022 driver, device ID: 0x%08x\n", adev->periphid);
+        if (platform_info == NULL) {
+                dev_err(&adev->dev, "probe - no platform data supplied\n");
+                status = -ENODEV;
+                goto err_no_pdata;
+        }
+
+        /* Allocate master with space for data */
+        master = spi_alloc_master(dev, sizeof(struct pl022));
+        if (master == NULL) {
+                dev_err(&adev->dev, "probe - cannot alloc SPI master\n");
+                status = -ENOMEM;
+                goto err_no_master;
+        }
+
+        pl022 = spi_master_get_devdata(master);
+        pl022->master = master;
+        pl022->master_info = platform_info;
+        pl022->adev = adev;
+        pl022->vendor = id->data;
+
+        /*
+         * Bus Number Which has been Assigned to this SSP controller
+         * on this board
+         */
+        master->bus_num = platform_info->bus_id;
+        master->num_chipselect = platform_info->num_chipselect;
+        master->cleanup = pl022_cleanup;
+        master->setup = pl022_setup;
+        master->transfer = pl022_transfer;
+
+        dev_dbg(&adev->dev, "BUSNO: %d\n", master->bus_num);
+
+        status = amba_request_regions(adev, NULL);
+        if (status)
+                goto err_no_ioregion;
+
+        pl022->virtbase = ioremap(adev->res.start, resource_size(&adev->res));
+        if (pl022->virtbase == NULL) {
+                status = -ENOMEM;
+                goto err_no_ioremap;
+        }
+        printk(KERN_INFO "pl022: mapped registers from 0x%08x to %p\n",
+               adev->res.start, pl022->virtbase);
+
+        pl022->clk = clk_get(&adev->dev, NULL);
+        if (IS_ERR(pl022->clk)) {
+                status = PTR_ERR(pl022->clk);
+                dev_err(&adev->dev, "could not retrieve SSP/SPI bus clock\n");
+                goto err_no_clk;
+        }
+
+        /* Disable SSP */
+        clk_enable(pl022->clk);
+        writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
+               SSP_CR1(pl022->virtbase));
+        load_ssp_default_config(pl022);
+        clk_disable(pl022->clk);
+
+        status = request_irq(adev->irq[0], pl022_interrupt_handler, 0, "pl022",
+                             pl022);
+        if (status < 0) {
+                dev_err(&adev->dev, "probe - cannot get IRQ (%d)\n", status);
+                goto err_no_irq;
+        }
+        /* Initialize and start queue */
+        status = init_queue(pl022);
+        if (status != 0) {
+                dev_err(&adev->dev, "probe - problem initializing queue\n");
+                goto err_init_queue;
+        }
+        status = start_queue(pl022);
+        if (status != 0) {
+                dev_err(&adev->dev, "probe - problem starting queue\n");
+                goto err_start_queue;
+        }
+        /* Register with the SPI framework */
+        amba_set_drvdata(adev, pl022);
+        status = spi_register_master(master);
+        if (status != 0) {
+                dev_err(&adev->dev,
+                        "probe - problem registering spi master\n");
+                goto err_spi_register;
+        }
+        dev_dbg(dev, "probe succeded\n");
+        return 0;
+
+ err_spi_register:
+ err_start_queue:
+ err_init_queue:
+        destroy_queue(pl022);
+        free_irq(adev->irq[0], pl022);
+ err_no_irq:
+        clk_put(pl022->clk);
+ err_no_clk:
+        iounmap(pl022->virtbase);
+ err_no_ioremap:
+        amba_release_regions(adev);
+ err_no_ioregion:
+        spi_master_put(master);
+ err_no_master:
+ err_no_pdata:
+        return status;
+}
+
+static int __exit
+pl022_remove(struct amba_device *adev)
+{
+        struct pl022 *pl022 = amba_get_drvdata(adev);
+        int status = 0;
+        if (!pl022)
+                return 0;
+
+        /* Remove the queue */
+        status = destroy_queue(pl022);
+        if (status != 0) {
+                dev_err(&adev->dev,
+                        "queue remove failed (%d)\n", status);
+                return status;
+        }
+        load_ssp_default_config(pl022);
+        free_irq(adev->irq[0], pl022);
+        clk_disable(pl022->clk);
+        clk_put(pl022->clk);
+        iounmap(pl022->virtbase);
+        amba_release_regions(adev);
+        tasklet_disable(&pl022->pump_transfers);
+        spi_unregister_master(pl022->master);
+        spi_master_put(pl022->master);
+        amba_set_drvdata(adev, NULL);
+        dev_dbg(&adev->dev, "remove succeded\n");
+        return 0;
+}
+
+#ifdef CONFIG_PM
+static int pl022_suspend(struct amba_device *adev, pm_message_t state)
+{
+        struct pl022 *pl022 = amba_get_drvdata(adev);
+        int status = 0;
+
+        status = stop_queue(pl022);
+        if (status) {
+                dev_warn(&adev->dev, "suspend cannot stop queue\n");
+                return status;
+        }
+
+        clk_enable(pl022->clk);
+        load_ssp_default_config(pl022);
+        clk_disable(pl022->clk);
+        dev_dbg(&adev->dev, "suspended\n");
+        return 0;
+}
+
+static int pl022_resume(struct amba_device *adev)
+{
+        struct pl022 *pl022 = amba_get_drvdata(adev);
+        int status = 0;
+
+        /* Start the queue running */
+        status = start_queue(pl022);
+        if (status)
+                dev_err(&adev->dev, "problem starting queue (%d)\n", status);
+        else
+                dev_dbg(&adev->dev, "resumed\n");
+
+        return status;
+}
+#else
+#define pl022_suspend NULL
+#define pl022_resume NULL
+#endif  /* CONFIG_PM */
+
+static struct vendor_data vendor_arm = {
+        .fifodepth = 8,
+        .max_bpw = 16,
+        .unidir = false,
+};
+
+
+static struct vendor_data vendor_st = {
+        .fifodepth = 32,
+        .max_bpw = 32,
+        .unidir = false,
+};
+
+static struct amba_id pl022_ids[] = {
+        {
+                /*
+                 * ARM PL022 variant, this has a 16bit wide
+                 * and 8 locations deep TX/RX FIFO
+                 */
+                .id     = 0x00041022,
+                .mask   = 0x000fffff,
+                .data   = &vendor_arm,
+        },
+        {
+                /*
+                 * ST Micro derivative, this has 32bit wide
+                 * and 32 locations deep TX/RX FIFO
+                 */
+                .id     = 0x00108022,
+                .mask   = 0xffffffff,
+                .data   = &vendor_st,
+        },
+        { 0, 0 },
+};
+
+static struct amba_driver pl022_driver = {
+        .drv = {
+                .name   = "ssp-pl022",
+        },
+        .id_table       = pl022_ids,
+        .probe          = pl022_probe,
+        .remove         = __exit_p(pl022_remove),
+        .suspend        = pl022_suspend,
+        .resume         = pl022_resume,
+};
+
+
+static int __init pl022_init(void)
+{
+        return amba_driver_register(&pl022_driver);
+}
+
+module_init(pl022_init);
+
+static void __exit pl022_exit(void)
+{
+        amba_driver_unregister(&pl022_driver);
+}
+
+module_exit(pl022_exit);
+
+MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>");
+MODULE_DESCRIPTION("PL022 SSP Controller Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c
index f2447a5476bb..bbf9371cd284 100644
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -17,6 +17,7 @@
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 0716cdb44cd8..0a3dc5ece634 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_USB_MON)		+= mon/
 obj-$(CONFIG_PCI)               += host/
 obj-$(CONFIG_USB_EHCI_HCD)      += host/
 obj-$(CONFIG_USB_ISP116X_HCD)   += host/
-obj-$(CONFIG_USB_ISP1760_HCD)   += host/
 obj-$(CONFIG_USB_OHCI_HCD)      += host/
 obj-$(CONFIG_USB_UHCI_HCD)      += host/
 obj-$(CONFIG_USB_FHCI_HCD)      += host/
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 0a69c0977e3f..7a1164dd1d37 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1375,6 +1375,9 @@ static struct usb_device_id acm_ids[] = {
         { USB_DEVICE(0x0572, 0x1324), /* Conexant USB MODEM RD02-D400 */
         .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
         },
+        { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */
+        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+        },
         { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
         },
         { USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 563d57275448..05c913cc3658 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -794,7 +794,8 @@ usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
         if (ep->desc) {
                 list_add_tail(&req->queue, &ep->queue);
 
-                if (ep->is_in || (ep_is_control(ep)
+                if ((!ep_is_control(ep) && ep->is_in) ||
+                        (ep_is_control(ep)
                                 && (ep->state == DATA_STAGE_IN
                                         || ep->state == STATUS_STAGE_IN)))
                         usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY);
@@ -1940,7 +1941,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
         usba_writel(udc, CTRL, USBA_DISABLE_MASK);
         clk_disable(pclk);
 
-        usba_ep = kmalloc(sizeof(struct usba_ep) * pdata->num_ep,
+        usba_ep = kzalloc(sizeof(struct usba_ep) * pdata->num_ep,
                           GFP_KERNEL);
         if (!usba_ep)
                 goto err_alloc_ep;
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index cd07ea3f0c63..15438469f21a 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -1658,6 +1658,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
         u32 reg_base, or_reg, skip_reg;
         unsigned long flags;
         struct ptd ptd;
+        packet_enqueue *pe;
 
         switch (usb_pipetype(urb->pipe)) {
         case PIPE_ISOCHRONOUS:
@@ -1669,6 +1670,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                 reg_base = INT_REGS_OFFSET;
                 or_reg = HC_INT_IRQ_MASK_OR_REG;
                 skip_reg = HC_INT_PTD_SKIPMAP_REG;
+                pe = enqueue_an_INT_packet;
                 break;
 
         default:
@@ -1676,6 +1678,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                 reg_base = ATL_REGS_OFFSET;
                 or_reg = HC_ATL_IRQ_MASK_OR_REG;
                 skip_reg = HC_ATL_PTD_SKIPMAP_REG;
+                pe =  enqueue_an_ATL_packet;
                 break;
         }
 
@@ -1687,6 +1690,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                         u32 skip_map;
                         u32 or_map;
                         struct isp1760_qtd *qtd;
+                        struct isp1760_qh *qh = ints->qh;
 
                         skip_map = isp1760_readl(hcd->regs + skip_reg);
                         skip_map |= 1 << i;
@@ -1699,8 +1703,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                         priv_write_copy(priv, (u32 *)&ptd, hcd->regs + reg_base
                                         + i * sizeof(ptd), sizeof(ptd));
                         qtd = ints->qtd;
-
-                        clean_up_qtdlist(qtd);
+                        qtd = clean_up_qtdlist(qtd);
 
                         free_mem(priv, ints->payload);
 
@@ -1711,7 +1714,24 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                         ints->payload = 0;
 
                         isp1760_urb_done(priv, urb, status);
+                        if (qtd)
+                                pe(hcd, qh, qtd);
                         break;
+
+                } else if (ints->qtd) {
+                        struct isp1760_qtd *qtd, *prev_qtd = ints->qtd;
+
+                        for (qtd = ints->qtd->hw_next; qtd; qtd = qtd->hw_next) {
+                                if (qtd->urb == urb) {
+                                        prev_qtd->hw_next = clean_up_qtdlist(qtd);
+                                        isp1760_urb_done(priv, urb, status);
+                                        break;
+                                }
+                                prev_qtd = qtd;
+                        }
+                        /* we found the urb before the end of the list */
+                        if (qtd)
+                                break;
                 }
                 ints++;
         }
diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c
index 7cf74f8c2db1..b0dbf4157d29 100644
--- a/drivers/usb/host/ohci-ep93xx.c
+++ b/drivers/usb/host/ohci-ep93xx.c
@@ -47,7 +47,7 @@ static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
         struct usb_hcd *hcd;
 
         if (pdev->resource[1].flags != IORESOURCE_IRQ) {
-                pr_debug("resource[1] is not IORESOURCE_IRQ");
+                dbg("resource[1] is not IORESOURCE_IRQ");
                 return -ENOMEM;
         }
 
@@ -65,12 +65,18 @@ static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
 
         hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
         if (hcd->regs == NULL) {
-                pr_debug("ioremap failed");
+                dbg("ioremap failed");
                 retval = -ENOMEM;
                 goto err2;
         }
 
-        usb_host_clock = clk_get(&pdev->dev, "usb_host");
+        usb_host_clock = clk_get(&pdev->dev, NULL);
+        if (IS_ERR(usb_host_clock)) {
+                dbg("clk_get failed");
+                retval = PTR_ERR(usb_host_clock);
+                goto err3;
+        }
+
         ep93xx_start_hc(&pdev->dev);
 
         ohci_hcd_init(hcd_to_ohci(hcd));
@@ -80,6 +86,7 @@ static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
                 return retval;
 
         ep93xx_stop_hc(&pdev->dev);
+err3:
         iounmap(hcd->regs);
 err2:
         release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 0a566eea49c0..f331e2bde88a 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -974,6 +974,7 @@ int usb_serial_probe(struct usb_interface *interface,
                 if (retval > 0) {
                         /* quietly accept this device, but don't bind to a
                            serial port as it's about to disappear */
+                        serial->num_ports = 0;
                         goto exit;
                 }
         }
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 0048f1185a60..8083d862ebc5 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -397,7 +397,7 @@ config FB_SA1100
 
 config FB_IMX
         tristate "Motorola i.MX LCD support"
-        depends on FB && (ARCH_IMX || ARCH_MX2)
+        depends on FB && (ARCH_MX1 || ARCH_MX2)
         select FB_CFB_FILLRECT
         select FB_CFB_COPYAREA
         select FB_CFB_IMAGEBLIT
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 9a577a800db5..2fb63f6ea2f1 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -29,14 +29,8 @@
 
 /* configurable parameters */
 #define ATMEL_LCDC_CVAL_DEFAULT         0xc8
-#define ATMEL_LCDC_DMA_BURST_LEN        8
-
-#if defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91CAP9) || \
-        defined(CONFIG_ARCH_AT91SAM9RL)
-#define ATMEL_LCDC_FIFO_SIZE            2048
-#else
-#define ATMEL_LCDC_FIFO_SIZE            512
-#endif
+#define ATMEL_LCDC_DMA_BURST_LEN        8       /* words */
+#define ATMEL_LCDC_FIFO_SIZE            512     /* words */
 
 #if defined(CONFIG_ARCH_AT91)
 #define ATMEL_LCDFB_FBINFO_DEFAULT      (FBINFO_DEFAULT \
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index 9894de1c9b9f..b7af5256e887 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -706,7 +706,7 @@ static void mx3fb_dma_done(void *arg)
         dev_dbg(mx3fb->dev, "irq %d callback\n", ichannel->eof_irq);
 
         /* We only need one interrupt, it will be re-enabled as needed */
-        disable_irq(ichannel->eof_irq);
+        disable_irq_nosync(ichannel->eof_irq);
 
         complete(&mx3_fbi->flip_cmpl);
 }
@@ -1366,7 +1366,7 @@ static int init_fb_chan(struct mx3fb_data *mx3fb, struct idmac_channel *ichan)
 
         mx3fb_blank(FB_BLANK_UNBLANK, fbi);
 
-        dev_info(dev, "mx3fb: fb registered, using mode %s\n", fb_mode);
+        dev_info(dev, "registered, using mode %s\n", fb_mode);
 
         ret = register_framebuffer(fbi);
         if (ret < 0)
diff --git a/drivers/video/omap/hwa742.c b/drivers/video/omap/hwa742.c
index 8aa6e47202b9..5d4f34887a22 100644
--- a/drivers/video/omap/hwa742.c
+++ b/drivers/video/omap/hwa742.c
@@ -133,8 +133,7 @@ struct {
         struct lcd_ctrl_extif   *extif;
         struct lcd_ctrl         *int_ctrl;
 
-        void                    (*power_up)(struct device *dev);
-        void                    (*power_down)(struct device *dev);
+        struct clk              *sys_ck;
 } hwa742;
 
 struct lcd_ctrl hwa742_ctrl;
@@ -915,14 +914,13 @@ static void hwa742_suspend(void)
         hwa742_set_update_mode(OMAPFB_UPDATE_DISABLED);
         /* Enable sleep mode */
         hwa742_write_reg(HWA742_POWER_SAVE, 1 << 1);
-        if (hwa742.power_down != NULL)
-                hwa742.power_down(hwa742.fbdev->dev);
+        clk_disable(hwa742.sys_ck);
 }
 
 static void hwa742_resume(void)
 {
-        if (hwa742.power_up != NULL)
-                hwa742.power_up(hwa742.fbdev->dev);
+        clk_enable(hwa742.sys_ck);
+
         /* Disable sleep mode */
         hwa742_write_reg(HWA742_POWER_SAVE, 0);
         while (1) {
@@ -955,14 +953,13 @@ static int hwa742_init(struct omapfb_device *fbdev, int ext_mode,
         omapfb_conf = fbdev->dev->platform_data;
         ctrl_conf = omapfb_conf->ctrl_platform_data;
 
-        if (ctrl_conf == NULL || ctrl_conf->get_clock_rate == NULL) {
+        if (ctrl_conf == NULL) {
                 dev_err(fbdev->dev, "HWA742: missing platform data\n");
                 r = -ENOENT;
                 goto err1;
         }
 
-        hwa742.power_down = ctrl_conf->power_down;
-        hwa742.power_up = ctrl_conf->power_up;
+        hwa742.sys_ck = clk_get(NULL, "hwa_sys_ck");
 
         spin_lock_init(&hwa742.req_lock);
 
@@ -972,12 +969,11 @@ static int hwa742_init(struct omapfb_device *fbdev, int ext_mode,
         if ((r = hwa742.extif->init(fbdev)) < 0)
                 goto err2;
 
-        ext_clk = ctrl_conf->get_clock_rate(fbdev->dev);
+        ext_clk = clk_get_rate(hwa742.sys_ck);
         if ((r = calc_extif_timings(ext_clk, &extif_mem_div)) < 0)
                 goto err3;
         hwa742.extif->set_timings(&hwa742.reg_timings);
-        if (hwa742.power_up != NULL)
-                hwa742.power_up(fbdev->dev);
+        clk_enable(hwa742.sys_ck);
 
         calc_hwa742_clk_rates(ext_clk, &sys_clk, &pix_clk);
         if ((r = calc_extif_timings(sys_clk, &extif_mem_div)) < 0)
@@ -1040,8 +1036,7 @@ static int hwa742_init(struct omapfb_device *fbdev, int ext_mode,
 
         return 0;
 err4:
-        if (hwa742.power_down != NULL)
-                hwa742.power_down(fbdev->dev);
+        clk_disable(hwa742.sys_ck);
 err3:
         hwa742.extif->cleanup();
 err2:
@@ -1055,8 +1050,7 @@ static void hwa742_cleanup(void)
         hwa742_set_update_mode(OMAPFB_UPDATE_DISABLED);
         hwa742.extif->cleanup();
         hwa742.int_ctrl->cleanup();
-        if (hwa742.power_down != NULL)
-                hwa742.power_down(hwa742.fbdev->dev);
+        clk_disable(hwa742.sys_ck);
 }
 
 struct lcd_ctrl hwa742_ctrl = {
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 5e9c6302433b..d3a568e6b169 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -947,7 +947,8 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
         int win;
 
         for (win = 0; win <= S3C_FB_MAX_WIN; win++)
-                s3c_fb_release_win(sfb, sfb->windows[win]);
+                if (sfb->windows[win])
+                        s3c_fb_release_win(sfb, sfb->windows[win]);
 
         iounmap(sfb->regs);
 
@@ -985,11 +986,20 @@ static int s3c_fb_suspend(struct platform_device *pdev, pm_message_t state)
 static int s3c_fb_resume(struct platform_device *pdev)
 {
         struct s3c_fb *sfb = platform_get_drvdata(pdev);
+        struct s3c_fb_platdata *pd = sfb->pdata;
         struct s3c_fb_win *win;
         int win_no;
 
         clk_enable(sfb->bus_clk);
 
+        /* setup registers */
+        writel(pd->vidcon1, sfb->regs + VIDCON1);
+
+        /* zero all windows before we do anything */
+        for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++)
+                s3c_fb_clear_win(sfb, win_no);
+
+        /* restore framebuffers */
         for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) {
                 win = sfb->windows[win_no];
                 if (!win)
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 5eb8f21da82e..5744cac4864b 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -231,14 +231,14 @@ config DAVINCI_WATCHDOG
           NOTE: once enabled, this timer cannot be disabled.
           Say N if you are unsure.
 
-config ORION5X_WATCHDOG
-        tristate "Orion5x watchdog"
-        depends on ARCH_ORION5X
+config ORION_WATCHDOG
+        tristate "Orion watchdog"
+        depends on ARCH_ORION5X || ARCH_KIRKWOOD
         help
           Say Y here if to include support for the watchdog timer
-          in the Orion5x ARM SoCs.
+          in the Marvell Orion5x and Kirkwood ARM SoCs.
           To compile this driver as a module, choose M here: the
-          module will be called orion5x_wdt.
+          module will be called orion_wdt.
 
 # AVR32 Architecture
 
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 7f8c56b14f58..c3afa14d5be1 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -40,7 +40,7 @@ obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
 obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o
 obj-$(CONFIG_IOP_WATCHDOG) += iop_wdt.o
 obj-$(CONFIG_DAVINCI_WATCHDOG) += davinci_wdt.o
-obj-$(CONFIG_ORION5X_WATCHDOG) += orion5x_wdt.o
+obj-$(CONFIG_ORION_WATCHDOG) += orion_wdt.o
 
 # AVR32 Architecture
 obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
diff --git a/drivers/watchdog/orion5x_wdt.c b/drivers/watchdog/orion_wdt.c
index 2cde568e4fb0..2d9fb96a9ee9 100644
--- a/drivers/watchdog/orion5x_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -1,7 +1,7 @@
 /*
- * drivers/watchdog/orion5x_wdt.c
+ * drivers/watchdog/orion_wdt.c
  *
- * Watchdog driver for Orion5x processors
+ * Watchdog driver for Orion/Kirkwood processors
  *
  * Author: Sylver Bruneau <sylver.bruneau@googlemail.com>
  *
@@ -23,7 +23,7 @@
 #include <linux/io.h>
 #include <linux/spinlock.h>
 #include <mach/bridge-regs.h>
-#include <plat/orion5x_wdt.h>
+#include <plat/orion_wdt.h>
 
 /*
  * Watchdog timer block registers.
@@ -43,7 +43,7 @@ static unsigned int wdt_tclk;
 static unsigned long wdt_status;
 static spinlock_t wdt_lock;
 
-static void orion5x_wdt_ping(void)
+static void orion_wdt_ping(void)
 {
         spin_lock(&wdt_lock);
 
@@ -53,7 +53,7 @@ static void orion5x_wdt_ping(void)
         spin_unlock(&wdt_lock);
 }
 
-static void orion5x_wdt_enable(void)
+static void orion_wdt_enable(void)
 {
         u32 reg;
 
@@ -73,23 +73,23 @@ static void orion5x_wdt_enable(void)
         writel(reg, TIMER_CTRL);
 
         /* Enable reset on watchdog */
-        reg = readl(CPU_RESET_MASK);
-        reg |= WDT_RESET;
-        writel(reg, CPU_RESET_MASK);
+        reg = readl(RSTOUTn_MASK);
+        reg |= WDT_RESET_OUT_EN;
+        writel(reg, RSTOUTn_MASK);
 
         spin_unlock(&wdt_lock);
 }
 
-static void orion5x_wdt_disable(void)
+static void orion_wdt_disable(void)
 {
         u32 reg;
 
         spin_lock(&wdt_lock);
 
         /* Disable reset on watchdog */
-        reg = readl(CPU_RESET_MASK);
-        reg &= ~WDT_RESET;
-        writel(reg, CPU_RESET_MASK);
+        reg = readl(RSTOUTn_MASK);
+        reg &= ~WDT_RESET_OUT_EN;
+        writel(reg, RSTOUTn_MASK);
 
         /* Disable watchdog timer */
         reg = readl(TIMER_CTRL);
@@ -99,7 +99,7 @@ static void orion5x_wdt_disable(void)
         spin_unlock(&wdt_lock);
 }
 
-static int orion5x_wdt_get_timeleft(int *time_left)
+static int orion_wdt_get_timeleft(int *time_left)
 {
         spin_lock(&wdt_lock);
         *time_left = readl(WDT_VAL) / wdt_tclk;
@@ -107,16 +107,16 @@ static int orion5x_wdt_get_timeleft(int *time_left)
         return 0;
 }
 
-static int orion5x_wdt_open(struct inode *inode, struct file *file)
+static int orion_wdt_open(struct inode *inode, struct file *file)
 {
         if (test_and_set_bit(WDT_IN_USE, &wdt_status))
                 return -EBUSY;
         clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
-        orion5x_wdt_enable();
+        orion_wdt_enable();
         return nonseekable_open(inode, file);
 }
 
-static ssize_t orion5x_wdt_write(struct file *file, const char *data,
+static ssize_t orion_wdt_write(struct file *file, const char *data,
                                         size_t len, loff_t *ppos)
 {
         if (len) {
@@ -133,18 +133,18 @@ static ssize_t orion5x_wdt_write(struct file *file, const char *data,
                                         set_bit(WDT_OK_TO_CLOSE, &wdt_status);
                         }
                 }
-                orion5x_wdt_ping();
+                orion_wdt_ping();
         }
         return len;
 }
 
-static int orion5x_wdt_settimeout(int new_time)
+static int orion_wdt_settimeout(int new_time)
 {
         if ((new_time <= 0) || (new_time > wdt_max_duration))
                 return -EINVAL;
 
         /* Set new watchdog time to be used when
-         * orion5x_wdt_enable() or orion5x_wdt_ping() is called. */
+         * orion_wdt_enable() or orion_wdt_ping() is called. */
         heartbeat = new_time;
         return 0;
 }
@@ -152,10 +152,10 @@ static int orion5x_wdt_settimeout(int new_time)
 static const struct watchdog_info ident = {
         .options        = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT |
                           WDIOF_KEEPALIVEPING,
-        .identity       = "Orion5x Watchdog",
+        .identity       = "Orion Watchdog",
 };
 
-static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd,
+static long orion_wdt_ioctl(struct file *file, unsigned int cmd,
                                 unsigned long arg)
 {
         int ret = -ENOTTY;
@@ -173,7 +173,7 @@ static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd,
                 break;
 
         case WDIOC_KEEPALIVE:
-                orion5x_wdt_ping();
+                orion_wdt_ping();
                 ret = 0;
                 break;
 
@@ -182,11 +182,11 @@ static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd,
                 if (ret)
                         break;
 
-                if (orion5x_wdt_settimeout(time)) {
+                if (orion_wdt_settimeout(time)) {
                         ret = -EINVAL;
                         break;
                 }
-                orion5x_wdt_ping();
+                orion_wdt_ping();
                 /* Fall through */
 
         case WDIOC_GETTIMEOUT:
@@ -194,7 +194,7 @@ static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd,
                 break;
 
         case WDIOC_GETTIMELEFT:
-                if (orion5x_wdt_get_timeleft(&time)) {
+                if (orion_wdt_get_timeleft(&time)) {
                         ret = -EINVAL;
                         break;
                 }
@@ -204,10 +204,10 @@ static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd,
         return ret;
 }
 
-static int orion5x_wdt_release(struct inode *inode, struct file *file)
+static int orion_wdt_release(struct inode *inode, struct file *file)
 {
         if (test_bit(WDT_OK_TO_CLOSE, &wdt_status))
-                orion5x_wdt_disable();
+                orion_wdt_disable();
         else
                 printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - "
                                         "timer will not stop\n");
@@ -218,98 +218,98 @@ static int orion5x_wdt_release(struct inode *inode, struct file *file)
 }
 
 
-static const struct file_operations orion5x_wdt_fops = {
+static const struct file_operations orion_wdt_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
-        .write          = orion5x_wdt_write,
-        .unlocked_ioctl = orion5x_wdt_ioctl,
-        .open           = orion5x_wdt_open,
-        .release        = orion5x_wdt_release,
+        .write          = orion_wdt_write,
+        .unlocked_ioctl = orion_wdt_ioctl,
+        .open           = orion_wdt_open,
+        .release        = orion_wdt_release,
 };
 
-static struct miscdevice orion5x_wdt_miscdev = {
+static struct miscdevice orion_wdt_miscdev = {
         .minor          = WATCHDOG_MINOR,
         .name           = "watchdog",
-        .fops           = &orion5x_wdt_fops,
+        .fops           = &orion_wdt_fops,
 };
 
-static int __devinit orion5x_wdt_probe(struct platform_device *pdev)
+static int __devinit orion_wdt_probe(struct platform_device *pdev)
 {
-        struct orion5x_wdt_platform_data *pdata = pdev->dev.platform_data;
+        struct orion_wdt_platform_data *pdata = pdev->dev.platform_data;
         int ret;
 
         if (pdata) {
                 wdt_tclk = pdata->tclk;
         } else {
-                printk(KERN_ERR "Orion5x Watchdog misses platform data\n");
+                printk(KERN_ERR "Orion Watchdog misses platform data\n");
                 return -ENODEV;
         }
 
-        if (orion5x_wdt_miscdev.parent)
+        if (orion_wdt_miscdev.parent)
                 return -EBUSY;
-        orion5x_wdt_miscdev.parent = &pdev->dev;
+        orion_wdt_miscdev.parent = &pdev->dev;
 
         wdt_max_duration = WDT_MAX_CYCLE_COUNT / wdt_tclk;
-        if (orion5x_wdt_settimeout(heartbeat))
+        if (orion_wdt_settimeout(heartbeat))
                 heartbeat = wdt_max_duration;
 
-        ret = misc_register(&orion5x_wdt_miscdev);
+        ret = misc_register(&orion_wdt_miscdev);
         if (ret)
                 return ret;
 
-        printk(KERN_INFO "Orion5x Watchdog Timer: Initial timeout %d sec%s\n",
+        printk(KERN_INFO "Orion Watchdog Timer: Initial timeout %d sec%s\n",
                                 heartbeat, nowayout ? ", nowayout" : "");
         return 0;
 }
 
-static int __devexit orion5x_wdt_remove(struct platform_device *pdev)
+static int __devexit orion_wdt_remove(struct platform_device *pdev)
 {
         int ret;
 
         if (test_bit(WDT_IN_USE, &wdt_status)) {
-                orion5x_wdt_disable();
+                orion_wdt_disable();
                 clear_bit(WDT_IN_USE, &wdt_status);
         }
 
-        ret = misc_deregister(&orion5x_wdt_miscdev);
+        ret = misc_deregister(&orion_wdt_miscdev);
         if (!ret)
-                orion5x_wdt_miscdev.parent = NULL;
+                orion_wdt_miscdev.parent = NULL;
 
         return ret;
 }
 
-static void orion5x_wdt_shutdown(struct platform_device *pdev)
+static void orion_wdt_shutdown(struct platform_device *pdev)
 {
         if (test_bit(WDT_IN_USE, &wdt_status))
-                orion5x_wdt_disable();
+                orion_wdt_disable();
 }
 
-static struct platform_driver orion5x_wdt_driver = {
-        .probe          = orion5x_wdt_probe,
-        .remove         = __devexit_p(orion5x_wdt_remove),
-        .shutdown       = orion5x_wdt_shutdown,
+static struct platform_driver orion_wdt_driver = {
+        .probe          = orion_wdt_probe,
+        .remove         = __devexit_p(orion_wdt_remove),
+        .shutdown       = orion_wdt_shutdown,
         .driver         = {
                 .owner  = THIS_MODULE,
-                .name   = "orion5x_wdt",
+                .name   = "orion_wdt",
         },
 };
 
-static int __init orion5x_wdt_init(void)
+static int __init orion_wdt_init(void)
 {
         spin_lock_init(&wdt_lock);
-        return platform_driver_register(&orion5x_wdt_driver);
+        return platform_driver_register(&orion_wdt_driver);
 }
 
-static void __exit orion5x_wdt_exit(void)
+static void __exit orion_wdt_exit(void)
 {
-        platform_driver_unregister(&orion5x_wdt_driver);
+        platform_driver_unregister(&orion_wdt_driver);
 }
 
-module_init(orion5x_wdt_init);
-module_exit(orion5x_wdt_exit);
+module_init(orion_wdt_init);
+module_exit(orion_wdt_exit);
 
 MODULE_AUTHOR("Sylver Bruneau <sylver.bruneau@googlemail.com>");
-MODULE_DESCRIPTION("Orion5x Processor Watchdog");
+MODULE_DESCRIPTION("Orion Processor Watchdog");
 
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Initial watchdog heartbeat in seconds");