Merge branch 'master' into upstream

151 files changed, 4357 insertions, 1817 deletions

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 0e71dff327cd..b1ea4df85c7d 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -456,6 +456,35 @@ static void class_device_remove_attrs(struct class_device * cd)
         }
 }
 
+static int class_device_add_groups(struct class_device * cd)
+{
+        int i;
+        int error = 0;
+
+        if (cd->groups) {
+                for (i = 0; cd->groups[i]; i++) {
+                        error = sysfs_create_group(&cd->kobj, cd->groups[i]);
+                        if (error) {
+                                while (--i >= 0)
+                                        sysfs_remove_group(&cd->kobj, cd->groups[i]);
+                                goto out;
+                        }
+                }
+        }
+out:
+        return error;
+}
+
+static void class_device_remove_groups(struct class_device * cd)
+{
+        int i;
+        if (cd->groups) {
+                for (i = 0; cd->groups[i]; i++) {
+                        sysfs_remove_group(&cd->kobj, cd->groups[i]);
+                }
+        }
+}
+
 static ssize_t show_dev(struct class_device *class_dev, char *buf)
 {
         return print_dev_t(buf, class_dev->devt);
@@ -559,6 +588,8 @@ int class_device_add(struct class_device *class_dev)
                                   class_name);
         }
 
+        class_device_add_groups(class_dev);
+
         kobject_uevent(&class_dev->kobj, KOBJ_ADD);
 
         /* notify any interfaces this device is now here */
@@ -672,6 +703,7 @@ void class_device_del(struct class_device *class_dev)
         if (class_dev->devt_attr)
                 class_device_remove_file(class_dev, class_dev->devt_attr);
         class_device_remove_attrs(class_dev);
+        class_device_remove_groups(class_dev);
 
         kobject_uevent(&class_dev->kobj, KOBJ_REMOVE);
         kobject_del(&class_dev->kobj);
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index f73446f580df..c688c25992e4 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -536,6 +536,9 @@ static void ub_cleanup(struct ub_dev *sc)
                 kfree(lun);
         }
 
+        usb_set_intfdata(sc->intf, NULL);
+        usb_put_intf(sc->intf);
+        usb_put_dev(sc->dev);
         kfree(sc);
 }
 
@@ -2221,7 +2224,12 @@ static int ub_probe(struct usb_interface *intf,
         // sc->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
         usb_set_intfdata(intf, sc);
         usb_get_dev(sc->dev);
-        // usb_get_intf(sc->intf);      /* Do we need this? */
+        /*
+         * Since we give the interface struct to the block level through
+         * disk->driverfs_dev, we have to pin it. Otherwise, block_uevent
+         * oopses on close after a disconnect (kernels 2.6.16 and up).
+         */
+        usb_get_intf(sc->intf);
 
         snprintf(sc->name, 12, DRV_NAME "(%d.%d)",
             sc->dev->bus->busnum, sc->dev->devnum);
@@ -2286,7 +2294,7 @@ static int ub_probe(struct usb_interface *intf,
 
 err_dev_desc:
         usb_set_intfdata(intf, NULL);
-        // usb_put_intf(sc->intf);
+        usb_put_intf(sc->intf);
         usb_put_dev(sc->dev);
         kfree(sc);
 err_core:
@@ -2461,12 +2469,6 @@ static void ub_disconnect(struct usb_interface *intf)
          * and no URBs left in transit.
          */
 
-        usb_set_intfdata(intf, NULL);
-        // usb_put_intf(sc->intf);
-        sc->intf = NULL;
-        usb_put_dev(sc->dev);
-        sc->dev = NULL;
-
         ub_put(sc);
 }
 
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 402296670d3a..78d928f9d9f1 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -291,7 +291,7 @@ config SX
 
 config RIO
         tristate "Specialix RIO system support"
-        depends on SERIAL_NONSTANDARD && !64BIT
+        depends on SERIAL_NONSTANDARD
         help
           This is a driver for the Specialix RIO, a smart serial card which
           drives an outboard box that can support up to 128 ports.  Product
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 02114a0bd0d9..128b2632512d 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1981,10 +1981,6 @@ static int __init cmm_init(void)
         if (!cmm_class)
                 return -1;
 
-        rc = pcmcia_register_driver(&cm4000_driver);
-        if (rc < 0)
-                return rc;
-
         major = register_chrdev(0, DEVICE_NAME, &cm4000_fops);
         if (major < 0) {
                 printk(KERN_WARNING MODULE_NAME
@@ -1992,6 +1988,12 @@ static int __init cmm_init(void)
                 return -1;
         }
 
+        rc = pcmcia_register_driver(&cm4000_driver);
+        if (rc < 0) {
+                unregister_chrdev(major, DEVICE_NAME);
+                return rc;
+        }
+
         return 0;
 }
 
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index 29efa64580a8..47a8465bf95b 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -724,16 +724,19 @@ static int __init cm4040_init(void)
         if (!cmx_class)
                 return -1;
 
-        rc = pcmcia_register_driver(&reader_driver);
-        if (rc < 0)
-                return rc;
-
         major = register_chrdev(0, DEVICE_NAME, &reader_fops);
         if (major < 0) {
                 printk(KERN_WARNING MODULE_NAME
                         ": could not get major number\n");
                 return -1;
         }
+
+        rc = pcmcia_register_driver(&reader_driver);
+        if (rc < 0) {
+                unregister_chrdev(major, DEVICE_NAME);
+                return rc;
+        }
+
         return 0;
 }
 
diff --git a/drivers/char/rio/host.h b/drivers/char/rio/host.h
index 3ec73d1a279a..179cdbea712b 100644
--- a/drivers/char/rio/host.h
+++ b/drivers/char/rio/host.h
@@ -33,12 +33,6 @@
 #ifndef __rio_host_h__
 #define __rio_host_h__
 
-#ifdef SCCS_LABELS
-#ifndef lint
-static char *_host_h_sccs_ = "@(#)host.h        1.2";
-#endif
-#endif
-
 /*
 ** the host structure - one per host card in the system.
 */
@@ -77,9 +71,6 @@ struct Host {
 #define RC_STARTUP            1
 #define RC_RUNNING            2
 #define RC_STUFFED            3
-#define RC_SOMETHING          4
-#define RC_SOMETHING_NEW      5
-#define RC_SOMETHING_ELSE     6
 #define RC_READY              7
 #define RUN_STATE             7
 /*
diff --git a/drivers/char/rio/rioboot.c b/drivers/char/rio/rioboot.c
index acda9326c2ef..290143addd34 100644
--- a/drivers/char/rio/rioboot.c
+++ b/drivers/char/rio/rioboot.c
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 #include <linux/termios.h>
 #include <linux/serial.h>
+#include <linux/vmalloc.h>
 #include <asm/semaphore.h>
 #include <linux/generic_serial.h>
 #include <linux/errno.h>
diff --git a/drivers/char/rio/rioctrl.c b/drivers/char/rio/rioctrl.c
index d31aba62bb7f..75b2557c37ec 100644
--- a/drivers/char/rio/rioctrl.c
+++ b/drivers/char/rio/rioctrl.c
@@ -1394,14 +1394,17 @@ int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd)
                 return RIO_FAIL;
         }
 
-        if (((int) ((char) PortP->InUse) == -1) || !(CmdBlkP = RIOGetCmdBlk())) {
-                rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block for command %d on port %d\n", Cmd, PortP->PortNum);
+        if ((PortP->InUse == (typeof(PortP->InUse))-1) ||
+                        !(CmdBlkP = RIOGetCmdBlk())) {
+                rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block "
+                        "for command %d on port %d\n", Cmd, PortP->PortNum);
                 return RIO_FAIL;
         }
 
-        rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n", CmdBlkP, PortP->InUse);
+        rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n",
+                        CmdBlkP, PortP->InUse);
 
-        PktCmdP = (struct PktCmd_M *) &CmdBlkP->Packet.data[0];
+        PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0];
 
         CmdBlkP->Packet.src_unit = 0;
         if (PortP->SecondBlock)
@@ -1425,38 +1428,46 @@ int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd)
 
         switch (Cmd) {
         case MEMDUMP:
-                rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p (addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr);
+                rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p "
+                                "(addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr);
                 PktCmdP->SubCommand = MEMDUMP;
                 PktCmdP->SubAddr = SubCmd.Addr;
                 break;
         case FCLOSE:
-                rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n", CmdBlkP);
+                rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n",
+                                CmdBlkP);
                 break;
         case READ_REGISTER:
-                rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) command blk %p\n", (int) SubCmd.Addr, CmdBlkP);
+                rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) "
+                                "command blk %p\n", (int) SubCmd.Addr, CmdBlkP);
                 PktCmdP->SubCommand = READ_REGISTER;
                 PktCmdP->SubAddr = SubCmd.Addr;
                 break;
         case RESUME:
-                rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n", CmdBlkP);
+                rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n",
+                                CmdBlkP);
                 break;
         case RFLUSH:
-                rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n", CmdBlkP);
+                rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n",
+                                CmdBlkP);
                 CmdBlkP->PostFuncP = RIORFlushEnable;
                 break;
         case SUSPEND:
-                rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n", CmdBlkP);
+                rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n",
+                                CmdBlkP);
                 break;
 
         case MGET:
-                rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n", CmdBlkP);
+                rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n",
+                                CmdBlkP);
                 break;
 
         case MSET:
         case MBIC:
         case MBIS:
                 CmdBlkP->Packet.data[4] = (char) PortP->ModemLines;
-                rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command blk %p\n", CmdBlkP);
+                rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command "
+                                "blk %p\n", CmdBlkP);
                 break;
 
         case WFLUSH:
@@ -1465,12 +1476,14 @@ int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd)
                  ** allowed then we should not bother sending any more to the
                  ** RTA.
                  */
-                if ((int) ((char) PortP->WflushFlag) == (int) -1) {
-                        rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, WflushFlag about to wrap!");
+                if (PortP->WflushFlag == (typeof(PortP->WflushFlag))-1) {
+                        rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, "
+                                        "WflushFlag about to wrap!");
                         RIOFreeCmdBlk(CmdBlkP);
                         return (RIO_FAIL);
                 } else {
-                        rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command blk %p\n", CmdBlkP);
+                        rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command "
+                                        "blk %p\n", CmdBlkP);
                         CmdBlkP->PostFuncP = RIOWFlushMark;
                 }
                 break;
diff --git a/drivers/char/rio/rioioctl.h b/drivers/char/rio/rioioctl.h
index 14b83fae75c8..e8af5b30519e 100644
--- a/drivers/char/rio/rioioctl.h
+++ b/drivers/char/rio/rioioctl.h
@@ -33,10 +33,6 @@
 #ifndef __rioioctl_h__
 #define __rioioctl_h__
 
-#ifdef SCCS_LABELS
-static char *_rioioctl_h_sccs_ = "@(#)rioioctl.h        1.2";
-#endif
-
 /*
 ** RIO device driver - user ioctls and associated structures.
 */
@@ -44,55 +40,13 @@ static char *_rioioctl_h_sccs_ = "@(#)rioioctl.h	1.2";
 struct portStats {
         int port;
         int gather;
-        ulong txchars;
-        ulong rxchars;
-        ulong opens;
-        ulong closes;
-        ulong ioctls;
+        unsigned long txchars;
+        unsigned long rxchars;
+        unsigned long opens;
+        unsigned long closes;
+        unsigned long ioctls;
 };
 
-
-#define rIOC    ('r'<<8)
-#define TCRIOSTATE      (rIOC | 1)
-#define TCRIOXPON       (rIOC | 2)
-#define TCRIOXPOFF      (rIOC | 3)
-#define TCRIOXPCPS      (rIOC | 4)
-#define TCRIOXPRINT     (rIOC | 5)
-#define TCRIOIXANYON    (rIOC | 6)
-#define TCRIOIXANYOFF   (rIOC | 7)
-#define TCRIOIXONON     (rIOC | 8)
-#define TCRIOIXONOFF    (rIOC | 9)
-#define TCRIOMBIS       (rIOC | 10)
-#define TCRIOMBIC       (rIOC | 11)
-#define TCRIOTRIAD      (rIOC | 12)
-#define TCRIOTSTATE     (rIOC | 13)
-
-/*
-** 15.10.1998 ARG - ESIL 0761 part fix
-** Add RIO ioctls for manipulating RTS and CTS flow control, (as LynxOS
-** appears to not support hardware flow control).
-*/
-#define TCRIOCTSFLOWEN  (rIOC | 14)     /* enable CTS flow control */
-#define TCRIOCTSFLOWDIS (rIOC | 15)     /* disable CTS flow control */
-#define TCRIORTSFLOWEN  (rIOC | 16)     /* enable RTS flow control */
-#define TCRIORTSFLOWDIS (rIOC | 17)     /* disable RTS flow control */
-
-/*
-** 09.12.1998 ARG - ESIL 0776 part fix
-** Definition for 'RIOC' also appears in daemon.h, so we'd better do a
-** #ifndef here first.
-** 'RIO_QUICK_CHECK' also #define'd here as this ioctl is now
-** allowed to be used by customers.
-**
-** 05.02.1999 ARG -
-** This is what I've decied to do with ioctls etc., which are intended to be
-** invoked from users applications :
-** Anything that needs to be defined here will be removed from daemon.h, that
-** way it won't end up having to be defined/maintained in two places. The only
-** consequence of this is that this file should now be #include'd by daemon.h
-**
-** 'stats' ioctls now #define'd here as they are to be used by customers.
-*/
 #define RIOC    ('R'<<8)|('i'<<16)|('o'<<24)
 
 #define RIO_QUICK_CHECK         (RIOC | 105)
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index 1efde3b27619..fe00c7dfb649 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -22,7 +22,7 @@ config TCG_TPM
 
 config TCG_TIS
         tristate "TPM Interface Specification 1.2 Interface"
-        depends on TCG_TPM
+        depends on TCG_TPM && PNPACPI
         ---help---
           If you have a TPM security chip that is compliant with the
           TCG TIS 1.2 TPM specification say Yes and it will be accessible
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 54a4c804e25f..050ced247f68 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -140,7 +140,7 @@ extern int tpm_pm_resume(struct device *);
 extern struct dentry ** tpm_bios_log_setup(char *);
 extern void tpm_bios_log_teardown(struct dentry **);
 #else
-static inline struct dentry* tpm_bios_log_setup(char *name)
+static inline struct dentry ** tpm_bios_log_setup(char *name)
 {
         return NULL;
 }
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index b9cae9a238bb..f621168f38ae 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -55,7 +55,7 @@ enum tis_int_flags {
 };
 
 enum tis_defaults {
-        TIS_MEM_BASE = 0xFED4000,
+        TIS_MEM_BASE = 0xFED40000,
         TIS_MEM_LEN = 0x5000,
         TIS_SHORT_TIMEOUT = 750,        /* ms */
         TIS_LONG_TIMEOUT = 2000,        /* 2 sec */
diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c
index a13395e2c372..fa2ba9ebe42a 100644
--- a/drivers/char/watchdog/i8xx_tco.c
+++ b/drivers/char/watchdog/i8xx_tco.c
@@ -33,11 +33,6 @@
  *      82801E   (C-ICH)  : document number 273599-001, 273645-002,
  *      82801EB  (ICH5)   : document number 252516-001, 252517-003,
  *      82801ER  (ICH5R)  : document number 252516-001, 252517-003,
- *      82801FB  (ICH6)   : document number 301473-002, 301474-007,
- *      82801FR  (ICH6R)  : document number 301473-002, 301474-007,
- *      82801FBM (ICH6-M) : document number 301473-002, 301474-007,
- *      82801FW  (ICH6W)  : document number 301473-001, 301474-007,
- *      82801FRW (ICH6RW) : document number 301473-001, 301474-007
  *
  *  20000710 Nils Faerber
  *      Initial Version 0.01
@@ -66,6 +61,10 @@
  *  20050807 Wim Van Sebroeck <wim@iguana.be>
  *      0.08 Make sure that the watchdog is only "armed" when started.
  *           (Kernel Bug 4251)
+ *  20060416 Wim Van Sebroeck <wim@iguana.be>
+ *      0.09 Remove support for the ICH6, ICH6R, ICH6-M, ICH6W and ICH6RW and
+ *           ICH7 chipsets. (See Kernel Bug 6031 - other code will support these
+ *           chipsets)
  */
 
 /*
@@ -90,7 +89,7 @@
 #include "i8xx_tco.h"
 
 /* Module and version information */
-#define TCO_VERSION "0.08"
+#define TCO_VERSION "0.09"
 #define TCO_MODULE_NAME "i8xx TCO timer"
 #define TCO_DRIVER_NAME   TCO_MODULE_NAME ", v" TCO_VERSION
 #define PFX TCO_MODULE_NAME ": "
@@ -391,11 +390,6 @@ static struct pci_device_id i8xx_tco_pci_tbl[] = {
         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12,  PCI_ANY_ID, PCI_ANY_ID, },
         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0,    PCI_ANY_ID, PCI_ANY_ID, },
         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0,   PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0,      PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1,      PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_2,      PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0,      PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1,      PCI_ANY_ID, PCI_ANY_ID, },
         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1,       PCI_ANY_ID, PCI_ANY_ID, },
         { 0, },                 /* End of list */
 };
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index 9dc54736e4eb..1ea04e9b2b0b 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -423,6 +423,12 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
         if (tmr_atboot && started == 0) {
                 printk(KERN_INFO PFX "Starting Watchdog Timer\n");
                 s3c2410wdt_start();
+        } else if (!tmr_atboot) {
+                /* if we're not enabling the watchdog, then ensure it is
+                 * disabled if it has been left running from the bootloader
+                 * or other source */
+
+                s3c2410wdt_stop();
         }
 
         return 0;
diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c
index 515ce7572049..20b88f9b7be2 100644
--- a/drivers/char/watchdog/sc1200wdt.c
+++ b/drivers/char/watchdog/sc1200wdt.c
@@ -377,7 +377,7 @@ static int __init sc1200wdt_init(void)
 {
         int ret;
 
-        printk(banner);
+        printk("%s\n", banner);
 
         spin_lock_init(&sc1200wdt_lock);
         sema_init(&open_sem, 1);
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 956d121cb161..3e6ffcaa5af4 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -74,6 +74,8 @@ static unsigned int dbs_enable;	/* number of CPUs using this policy */
 static DEFINE_MUTEX (dbs_mutex);
 static DECLARE_WORK     (dbs_work, do_dbs_timer, NULL);
 
+static struct workqueue_struct *dbs_workq;
+
 struct dbs_tuners {
         unsigned int sampling_rate;
         unsigned int sampling_down_factor;
@@ -364,23 +366,29 @@ static void do_dbs_timer(void *data)
         mutex_lock(&dbs_mutex);
         for_each_online_cpu(i)
                 dbs_check_cpu(i);
-        schedule_delayed_work(&dbs_work,
-                        usecs_to_jiffies(dbs_tuners_ins.sampling_rate));
+        queue_delayed_work(dbs_workq, &dbs_work,
+                           usecs_to_jiffies(dbs_tuners_ins.sampling_rate));
         mutex_unlock(&dbs_mutex);
 }
 
 static inline void dbs_timer_init(void)
 {
         INIT_WORK(&dbs_work, do_dbs_timer, NULL);
-        schedule_delayed_work(&dbs_work,
-                        usecs_to_jiffies(dbs_tuners_ins.sampling_rate));
+        if (!dbs_workq)
+                dbs_workq = create_singlethread_workqueue("ondemand");
+        if (!dbs_workq) {
+                printk(KERN_ERR "ondemand: Cannot initialize kernel thread\n");
+                return;
+        }
+        queue_delayed_work(dbs_workq, &dbs_work,
+                           usecs_to_jiffies(dbs_tuners_ins.sampling_rate));
         return;
 }
 
 static inline void dbs_timer_exit(void)
 {
-        cancel_delayed_work(&dbs_work);
-        return;
+        if (dbs_workq)
+                cancel_rearming_delayed_workqueue(dbs_workq, &dbs_work);
 }
 
 static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
@@ -489,8 +497,12 @@ static int __init cpufreq_gov_dbs_init(void)
 
 static void __exit cpufreq_gov_dbs_exit(void)
 {
-        /* Make sure that the scheduled work is indeed not running */
-        flush_scheduled_work();
+        /* Make sure that the scheduled work is indeed not running.
+           Assumes the timer has been cancelled first. */
+        if (dbs_workq) {
+                flush_workqueue(dbs_workq);
+                destroy_workqueue(dbs_workq);
+        }
 
         cpufreq_unregister_governor(&cpufreq_gov_dbs);
 }
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index 66572c5323ad..fce31936e6d7 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -25,6 +25,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
 
+static int force_function_unhide;
+
 #define e752x_printk(level, fmt, arg...) \
         edac_printk(level, "e752x", fmt, ##arg)
 
@@ -782,8 +784,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
         debugf0("%s(): mci\n", __func__);
         debugf0("Starting Probe1\n");
 
-        /* enable device 0 function 1 */
+        /* check to see if device 0 function 1 is enabled; if it isn't, we
+         * assume the BIOS has reserved it for a reason and is expecting
+         * exclusive access, we take care not to violate that assumption and
+         * fail the probe. */
         pci_read_config_byte(pdev, E752X_DEVPRES1, &stat8);
+        if (!force_function_unhide && !(stat8 & (1 << 5))) {
+                printk(KERN_INFO "Contact your BIOS vendor to see if the "
+                        "E752x error registers can be safely un-hidden\n");
+                goto fail;
+        }
         stat8 |= (1 << 5);
         pci_write_config_byte(pdev, E752X_DEVPRES1, stat8);
 
@@ -1063,3 +1073,8 @@ module_exit(e752x_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Linux Networx (http://lnxi.com) Tom Zimmerman\n");
 MODULE_DESCRIPTION("MC support for Intel e752x memory controllers");
+
+module_param(force_function_unhide, int, 0444);
+MODULE_PARM_DESC(force_function_unhide, "if BIOS sets Dev0:Fun1 up as hidden:"
+" 1=force unhide and hope BIOS doesn't fight driver for Dev0:Fun1 access");
+
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index 8bd305e47f0d..a140e4536a4e 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -133,6 +133,9 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status)
 
                 outb(inb(ACBCTL1) | ACBCTL1_STOP, ACBCTL1);
                 outb(ACBST_STASTR | ACBST_NEGACK, ACBST);
+
+                /* Reset the status register */
+                outb(0, ACBST);
                 return;
         }
 
@@ -228,6 +231,10 @@ static void scx200_acb_poll(struct scx200_acb_iface *iface)
         timeout = jiffies + POLL_TIMEOUT;
         while (time_before(jiffies, timeout)) {
                 status = inb(ACBST);
+
+                /* Reset the status register to avoid the hang */
+                outb(0, ACBST);
+
                 if ((status & (ACBST_SDAST|ACBST_BER|ACBST_NEGACK)) != 0) {
                         scx200_acb_machine(iface, status);
                         return;
@@ -415,7 +422,6 @@ static int  __init scx200_acb_create(const char *text, int base, int index)
         struct scx200_acb_iface *iface;
         struct i2c_adapter *adapter;
         int rc;
-        char description[64];
 
         iface = kzalloc(sizeof(*iface), GFP_KERNEL);
         if (!iface) {
@@ -434,10 +440,7 @@ static int  __init scx200_acb_create(const char *text, int base, int index)
 
         mutex_init(&iface->mutex);
 
-        snprintf(description, sizeof(description), "%s ACCESS.bus [%s]",
-                 text, adapter->name);
-
-        if (request_region(base, 8, description) == 0) {
+        if (!request_region(base, 8, adapter->name)) {
                 printk(KERN_ERR NAME ": can't allocate io 0x%x-0x%x\n",
                         base, base + 8-1);
                 rc = -EBUSY;
@@ -524,6 +527,9 @@ static int __init scx200_acb_init(void)
         } else if (pci_dev_present(divil_pci))
                 rc = scx200_add_cs553x();
 
+        /* If at least one bus was created, init must succeed */
+        if (scx200_acb_list)
+                return 0;
         return rc;
 }
 
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index 4961f1e764a7..602797a44208 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -392,6 +392,7 @@ static struct pcmcia_device_id ide_ids[] = {
         PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
         PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
         PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
+        PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
         PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
         PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2      ", 0x547e66dc, 0x8671043b),
         PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index 19222878aae9..11f13778f139 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -553,7 +553,7 @@ static void ohci_initialize(struct ti_ohci *ohci)
          * register content.
          * To actually enable physical responses is the job of our interrupt
          * handler which programs the physical request filter. */
-        reg_write(ohci, OHCI1394_PhyUpperBound, 0xffff0000);
+        reg_write(ohci, OHCI1394_PhyUpperBound, 0x01000000);
 
         DBGMSG("physUpperBoundOffset=%08x",
                reg_read(ohci, OHCI1394_PhyUpperBound));
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index f4206604db03..8a23fb54c693 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -42,6 +42,7 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/string.h>
+#include <linux/stringify.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/fs.h>
@@ -117,7 +118,8 @@ MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default
  */
 static int max_sectors = SBP2_MAX_SECTORS;
 module_param(max_sectors, int, 0444);
-MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = 255)");
+MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = "
+                 __stringify(SBP2_MAX_SECTORS) ")");
 
 /*
  * Exclusive login to sbp2 device? In most cases, the sbp2 driver should
@@ -135,18 +137,45 @@ module_param(exclusive_login, int, 0644);
 MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device (default = 1)");
 
 /*
- * SCSI inquiry hack for really badly behaved sbp2 devices. Turn this on
- * if your sbp2 device is not properly handling the SCSI inquiry command.
- * This hack makes the inquiry look more like a typical MS Windows inquiry
- * by enforcing 36 byte inquiry and avoiding access to mode_sense page 8.
+ * If any of the following workarounds is required for your device to work,
+ * please submit the kernel messages logged by sbp2 to the linux1394-devel
+ * mailing list.
  *
- * If force_inquiry_hack=1 is required for your device to work,
- * please submit the logged sbp2_firmware_revision value of this device to
- * the linux1394-devel mailing list.
+ * - 128kB max transfer
+ *   Limit transfer size. Necessary for some old bridges.
+ *
+ * - 36 byte inquiry
+ *   When scsi_mod probes the device, let the inquiry command look like that
+ *   from MS Windows.
+ *
+ * - skip mode page 8
+ *   Suppress sending of mode_sense for mode page 8 if the device pretends to
+ *   support the SCSI Primary Block commands instead of Reduced Block Commands.
+ *
+ * - fix capacity
+ *   Tell sd_mod to correct the last sector number reported by read_capacity.
+ *   Avoids access beyond actual disk limits on devices with an off-by-one bug.
+ *   Don't use this with devices which don't have this bug.
+ *
+ * - override internal blacklist
+ *   Instead of adding to the built-in blacklist, use only the workarounds
+ *   specified in the module load parameter.
+ *   Useful if a blacklist entry interfered with a non-broken device.
  */
+static int sbp2_default_workarounds;
+module_param_named(workarounds, sbp2_default_workarounds, int, 0644);
+MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0"
+        ", 128kB max transfer = " __stringify(SBP2_WORKAROUND_128K_MAX_TRANS)
+        ", 36 byte inquiry = "    __stringify(SBP2_WORKAROUND_INQUIRY_36)
+        ", skip mode page 8 = "   __stringify(SBP2_WORKAROUND_MODE_SENSE_8)
+        ", fix capacity = "       __stringify(SBP2_WORKAROUND_FIX_CAPACITY)
+        ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE)
+        ", or a combination)");
+
+/* legacy parameter */
 static int force_inquiry_hack;
 module_param(force_inquiry_hack, int, 0644);
-MODULE_PARM_DESC(force_inquiry_hack, "Force SCSI inquiry hack (default = 0)");
+MODULE_PARM_DESC(force_inquiry_hack, "Deprecated, use 'workarounds'");
 
 /*
  * Export information about protocols/devices supported by this driver.
@@ -266,14 +295,55 @@ static struct hpsb_protocol_driver sbp2_driver = {
 };
 
 /*
- * List of device firmwares that require the inquiry hack.
- * Yields a few false positives but did not break other devices so far.
+ * List of devices with known bugs.
+ *
+ * The firmware_revision field, masked with 0xffff00, is the best indicator
+ * for the type of bridge chip of a device.  It yields a few false positives
+ * but this did not break correctly behaving devices so far.
  */
-static u32 sbp2_broken_inquiry_list[] = {
-        0x00002800,     /* Stefan Richter <stefanr@s5r6.in-berlin.de> */
-                        /* DViCO Momobay CX-1 */
-        0x00000200      /* Andreas Plesch <plesch@fas.harvard.edu> */
-                        /* QPS Fire DVDBurner */
+static const struct {
+        u32 firmware_revision;
+        u32 model_id;
+        unsigned workarounds;
+} sbp2_workarounds_table[] = {
+        /* TSB42AA9 */ {
+                .firmware_revision      = 0x002800,
+                .workarounds            = SBP2_WORKAROUND_INQUIRY_36 |
+                                          SBP2_WORKAROUND_MODE_SENSE_8,
+        },
+        /* Initio bridges, actually only needed for some older ones */ {
+                .firmware_revision      = 0x000200,
+                .workarounds            = SBP2_WORKAROUND_INQUIRY_36,
+        },
+        /* Symbios bridge */ {
+                .firmware_revision      = 0xa0b800,
+                .workarounds            = SBP2_WORKAROUND_128K_MAX_TRANS,
+        },
+        /*
+         * Note about the following Apple iPod blacklist entries:
+         *
+         * There are iPods (2nd gen, 3rd gen) with model_id==0.  Since our
+         * matching logic treats 0 as a wildcard, we cannot match this ID
+         * without rewriting the matching routine.  Fortunately these iPods
+         * do not feature the read_capacity bug according to one report.
+         * Read_capacity behaviour as well as model_id could change due to
+         * Apple-supplied firmware updates though.
+         */
+        /* iPod 4th generation */ {
+                .firmware_revision      = 0x0a2700,
+                .model_id               = 0x000021,
+                .workarounds            = SBP2_WORKAROUND_FIX_CAPACITY,
+        },
+        /* iPod mini */ {
+                .firmware_revision      = 0x0a2700,
+                .model_id               = 0x000023,
+                .workarounds            = SBP2_WORKAROUND_FIX_CAPACITY,
+        },
+        /* iPod Photo */ {
+                .firmware_revision      = 0x0a2700,
+                .model_id               = 0x00007e,
+                .workarounds            = SBP2_WORKAROUND_FIX_CAPACITY,
+        }
 };
 
 /**************************************
@@ -765,11 +835,16 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
 
         /* Register the status FIFO address range. We could use the same FIFO
          * for targets at different nodes. However we need different FIFOs per
-         * target in order to support multi-unit devices. */
+         * target in order to support multi-unit devices.
+         * The FIFO is located out of the local host controller's physical range
+         * but, if possible, within the posted write area. Status writes will
+         * then be performed as unified transactions. This slightly reduces
+         * bandwidth usage, and some Prolific based devices seem to require it.
+         */
         scsi_id->status_fifo_addr = hpsb_allocate_and_register_addrspace(
                         &sbp2_highlevel, ud->ne->host, &sbp2_ops,
                         sizeof(struct sbp2_status_block), sizeof(quadlet_t),
-                        ~0ULL, ~0ULL);
+                        0x010000000000ULL, CSR1212_ALL_SPACE_END);
         if (!scsi_id->status_fifo_addr) {
                 SBP2_ERR("failed to allocate status FIFO address range");
                 goto failed_alloc;
@@ -1450,7 +1525,8 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,
         struct csr1212_dentry *dentry;
         u64 management_agent_addr;
         u32 command_set_spec_id, command_set, unit_characteristics,
-            firmware_revision, workarounds;
+            firmware_revision;
+        unsigned workarounds;
         int i;
 
         SBP2_DEBUG_ENTER();
@@ -1506,12 +1582,8 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,
                 case SBP2_FIRMWARE_REVISION_KEY:
                         /* Firmware revision */
                         firmware_revision = kv->value.immediate;
-                        if (force_inquiry_hack)
-                                SBP2_INFO("sbp2_firmware_revision = %x",
-                                          (unsigned int)firmware_revision);
-                        else
-                                SBP2_DEBUG("sbp2_firmware_revision = %x",
-                                           (unsigned int)firmware_revision);
+                        SBP2_DEBUG("sbp2_firmware_revision = %x",
+                                   (unsigned int)firmware_revision);
                         break;
 
                 default:
@@ -1519,41 +1591,44 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,
                 }
         }
 
-        /* This is the start of our broken device checking. We try to hack
-         * around oddities and known defects.  */
-        workarounds = 0x0;
+        workarounds = sbp2_default_workarounds;
+        if (force_inquiry_hack) {
+                SBP2_WARN("force_inquiry_hack is deprecated. "
+                          "Use parameter 'workarounds' instead.");
+                workarounds |= SBP2_WORKAROUND_INQUIRY_36;
+        }
 
-        /* If the vendor id is 0xa0b8 (Symbios vendor id), then we have a
-         * bridge with 128KB max transfer size limitation. For sanity, we
-         * only voice this when the current max_sectors setting
-         * exceeds the 128k limit. By default, that is not the case.
-         *
-         * It would be really nice if we could detect this before the scsi
-         * host gets initialized. That way we can down-force the
-         * max_sectors to account for it. That is not currently
-         * possible.  */
-        if ((firmware_revision & 0xffff00) ==
-                        SBP2_128KB_BROKEN_FIRMWARE &&
-                        (max_sectors * 512) > (128*1024)) {
-                SBP2_WARN("Node " NODE_BUS_FMT ": Bridge only supports 128KB max transfer size.",
-                                NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid));
-                SBP2_WARN("WARNING: Current max_sectors setting is larger than 128KB (%d sectors)!",
-                                max_sectors);
-                workarounds |= SBP2_BREAKAGE_128K_MAX_TRANSFER;
-        }
-
-        /* Check for a blacklisted set of devices that require us to force
-         * a 36 byte host inquiry. This can be overriden as a module param
-         * (to force all hosts).  */
-        for (i = 0; i < ARRAY_SIZE(sbp2_broken_inquiry_list); i++) {
-                if ((firmware_revision & 0xffff00) ==
-                                sbp2_broken_inquiry_list[i]) {
-                        SBP2_WARN("Node " NODE_BUS_FMT ": Using 36byte inquiry workaround",
-                                        NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid));
-                        workarounds |= SBP2_BREAKAGE_INQUIRY_HACK;
-                        break; /* No need to continue. */
+        if (!(workarounds & SBP2_WORKAROUND_OVERRIDE))
+                for (i = 0; i < ARRAY_SIZE(sbp2_workarounds_table); i++) {
+                        if (sbp2_workarounds_table[i].firmware_revision &&
+                            sbp2_workarounds_table[i].firmware_revision !=
+                            (firmware_revision & 0xffff00))
+                                continue;
+                        if (sbp2_workarounds_table[i].model_id &&
+                            sbp2_workarounds_table[i].model_id != ud->model_id)
+                                continue;
+                        workarounds |= sbp2_workarounds_table[i].workarounds;
+                        break;
                 }
-        }
+
+        if (workarounds)
+                SBP2_INFO("Workarounds for node " NODE_BUS_FMT ": 0x%x "
+                          "(firmware_revision 0x%06x, vendor_id 0x%06x,"
+                          " model_id 0x%06x)",
+                          NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid),
+                          workarounds, firmware_revision,
+                          ud->vendor_id ? ud->vendor_id : ud->ne->vendor_id,
+                          ud->model_id);
+
+        /* We would need one SCSI host template for each target to adjust
+         * max_sectors on the fly, therefore warn only. */
+        if (workarounds & SBP2_WORKAROUND_128K_MAX_TRANS &&
+            (max_sectors * 512) > (128 * 1024))
+                SBP2_WARN("Node " NODE_BUS_FMT ": Bridge only supports 128KB "
+                          "max transfer size. WARNING: Current max_sectors "
+                          "setting is larger than 128KB (%d sectors)",
+                          NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid),
+                          max_sectors);
 
         /* If this is a logical unit directory entry, process the parent
          * to get the values. */
@@ -2447,19 +2522,25 @@ static int sbp2scsi_slave_alloc(struct scsi_device *sdev)
 
         scsi_id->sdev = sdev;
 
-        if (force_inquiry_hack ||
-            scsi_id->workarounds & SBP2_BREAKAGE_INQUIRY_HACK) {
+        if (scsi_id->workarounds & SBP2_WORKAROUND_INQUIRY_36)
                 sdev->inquiry_len = 36;
-                sdev->skip_ms_page_8 = 1;
-        }
         return 0;
 }
 
 static int sbp2scsi_slave_configure(struct scsi_device *sdev)
 {
+        struct scsi_id_instance_data *scsi_id =
+                (struct scsi_id_instance_data *)sdev->host->hostdata[0];
+
         blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
         sdev->use_10_for_rw = 1;
         sdev->use_10_for_ms = 1;
+
+        if (sdev->type == TYPE_DISK &&
+            scsi_id->workarounds & SBP2_WORKAROUND_MODE_SENSE_8)
+                sdev->skip_ms_page_8 = 1;
+        if (scsi_id->workarounds & SBP2_WORKAROUND_FIX_CAPACITY)
+                sdev->fix_capacity = 1;
         return 0;
 }
 
@@ -2603,7 +2684,9 @@ static int sbp2_module_init(void)
                 scsi_driver_template.cmd_per_lun = 1;
         }
 
-        /* Set max sectors (module load option). Default is 255 sectors. */
+        if (sbp2_default_workarounds & SBP2_WORKAROUND_128K_MAX_TRANS &&
+            (max_sectors * 512) > (128 * 1024))
+                max_sectors = 128 * 1024 / 512;
         scsi_driver_template.max_sectors = max_sectors;
 
         /* Register our high level driver with 1394 stack */
diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h
index e2d357a9ea3a..f4ccc9d0fba4 100644
--- a/drivers/ieee1394/sbp2.h
+++ b/drivers/ieee1394/sbp2.h
@@ -227,11 +227,6 @@ struct sbp2_status_block {
 #define SBP2_SW_VERSION_ENTRY                                   0x00010483
 
 /*
- * Other misc defines
- */
-#define SBP2_128KB_BROKEN_FIRMWARE                              0xa0b800
-
-/*
  * SCSI specific stuff
  */
 
@@ -239,6 +234,13 @@ struct sbp2_status_block {
 #define SBP2_MAX_SECTORS                255     /* Max sectors supported */
 #define SBP2_MAX_CMDS                   8       /* This should be safe */
 
+/* Flags for detected oddities and brokeness */
+#define SBP2_WORKAROUND_128K_MAX_TRANS  0x1
+#define SBP2_WORKAROUND_INQUIRY_36      0x2
+#define SBP2_WORKAROUND_MODE_SENSE_8    0x4
+#define SBP2_WORKAROUND_FIX_CAPACITY    0x8
+#define SBP2_WORKAROUND_OVERRIDE        0x100
+
 /* This is the two dma types we use for cmd_dma below */
 enum cmd_dma_types {
         CMD_DMA_NONE,
@@ -268,10 +270,6 @@ struct sbp2_command_info {
 
 };
 
-/* A list of flags for detected oddities and brokeness. */
-#define SBP2_BREAKAGE_128K_MAX_TRANSFER         0x1
-#define SBP2_BREAKAGE_INQUIRY_HACK              0x2
-
 struct sbp2scsi_host_info;
 
 /*
@@ -345,7 +343,7 @@ struct scsi_id_instance_data {
         struct Scsi_Host *scsi_host;
 
         /* Device specific workarounds/brokeness */
-        u32 workarounds;
+        unsigned workarounds;
 };
 
 /* Sbp2 host data structure (one per IEEE1394 host) */
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 7cfedb8d9bcd..86fee43502cd 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -34,6 +34,8 @@
  *
  * $Id: cm.c 2821 2005-07-08 17:07:28Z sean.hefty $
  */
+
+#include <linux/completion.h>
 #include <linux/dma-mapping.h>
 #include <linux/err.h>
 #include <linux/idr.h>
@@ -122,7 +124,7 @@ struct cm_id_private {
         struct rb_node service_node;
         struct rb_node sidr_id_node;
         spinlock_t lock;        /* Do not acquire inside cm.lock */
-        wait_queue_head_t wait;
+        struct completion comp;
         atomic_t refcount;
 
         struct ib_mad_send_buf *msg;
@@ -159,7 +161,7 @@ static void cm_work_handler(void *data);
 static inline void cm_deref_id(struct cm_id_private *cm_id_priv)
 {
         if (atomic_dec_and_test(&cm_id_priv->refcount))
-                wake_up(&cm_id_priv->wait);
+                complete(&cm_id_priv->comp);
 }
 
 static int cm_alloc_msg(struct cm_id_private *cm_id_priv,
@@ -559,7 +561,7 @@ struct ib_cm_id *ib_create_cm_id(struct ib_device *device,
                 goto error;
 
         spin_lock_init(&cm_id_priv->lock);
-        init_waitqueue_head(&cm_id_priv->wait);
+        init_completion(&cm_id_priv->comp);
         INIT_LIST_HEAD(&cm_id_priv->work_list);
         atomic_set(&cm_id_priv->work_count, -1);
         atomic_set(&cm_id_priv->refcount, 1);
@@ -724,8 +726,8 @@ retest:
         }
 
         cm_free_id(cm_id->local_id);
-        atomic_dec(&cm_id_priv->refcount);
-        wait_event(cm_id_priv->wait, !atomic_read(&cm_id_priv->refcount));
+        cm_deref_id(cm_id_priv);
+        wait_for_completion(&cm_id_priv->comp);
         while ((work = cm_dequeue_work(cm_id_priv)) != NULL)
                 cm_free_work(work);
         if (cm_id_priv->private_data && cm_id_priv->private_data_len)
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 469b6923a2e2..5ad41a64314c 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -352,7 +352,7 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
         INIT_WORK(&mad_agent_priv->local_work, local_completions,
                    mad_agent_priv);
         atomic_set(&mad_agent_priv->refcount, 1);
-        init_waitqueue_head(&mad_agent_priv->wait);
+        init_completion(&mad_agent_priv->comp);
 
         return &mad_agent_priv->agent;
 
@@ -467,7 +467,7 @@ struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
         mad_snoop_priv->agent.qp = port_priv->qp_info[qpn].qp;
         mad_snoop_priv->agent.port_num = port_num;
         mad_snoop_priv->mad_snoop_flags = mad_snoop_flags;
-        init_waitqueue_head(&mad_snoop_priv->wait);
+        init_completion(&mad_snoop_priv->comp);
         mad_snoop_priv->snoop_index = register_snoop_agent(
                                                 &port_priv->qp_info[qpn],
                                                 mad_snoop_priv);
@@ -486,6 +486,18 @@ error1:
 }
 EXPORT_SYMBOL(ib_register_mad_snoop);
 
+static inline void deref_mad_agent(struct ib_mad_agent_private *mad_agent_priv)
+{
+        if (atomic_dec_and_test(&mad_agent_priv->refcount))
+                complete(&mad_agent_priv->comp);
+}
+
+static inline void deref_snoop_agent(struct ib_mad_snoop_private *mad_snoop_priv)
+{
+        if (atomic_dec_and_test(&mad_snoop_priv->refcount))
+                complete(&mad_snoop_priv->comp);
+}
+
 static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv)
 {
         struct ib_mad_port_private *port_priv;
@@ -509,9 +521,8 @@ static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv)
         flush_workqueue(port_priv->wq);
         ib_cancel_rmpp_recvs(mad_agent_priv);
 
-        atomic_dec(&mad_agent_priv->refcount);
-        wait_event(mad_agent_priv->wait,
-                   !atomic_read(&mad_agent_priv->refcount));
+        deref_mad_agent(mad_agent_priv);
+        wait_for_completion(&mad_agent_priv->comp);
 
         kfree(mad_agent_priv->reg_req);
         ib_dereg_mr(mad_agent_priv->agent.mr);
@@ -529,9 +540,8 @@ static void unregister_mad_snoop(struct ib_mad_snoop_private *mad_snoop_priv)
         atomic_dec(&qp_info->snoop_count);
         spin_unlock_irqrestore(&qp_info->snoop_lock, flags);
 
-        atomic_dec(&mad_snoop_priv->refcount);
-        wait_event(mad_snoop_priv->wait,
-                   !atomic_read(&mad_snoop_priv->refcount));
+        deref_snoop_agent(mad_snoop_priv);
+        wait_for_completion(&mad_snoop_priv->comp);
 
         kfree(mad_snoop_priv);
 }
@@ -600,8 +610,7 @@ static void snoop_send(struct ib_mad_qp_info *qp_info,
                 spin_unlock_irqrestore(&qp_info->snoop_lock, flags);
                 mad_snoop_priv->agent.snoop_handler(&mad_snoop_priv->agent,
                                                     send_buf, mad_send_wc);
-                if (atomic_dec_and_test(&mad_snoop_priv->refcount))
-                        wake_up(&mad_snoop_priv->wait);
+                deref_snoop_agent(mad_snoop_priv);
                 spin_lock_irqsave(&qp_info->snoop_lock, flags);
         }
         spin_unlock_irqrestore(&qp_info->snoop_lock, flags);
@@ -626,8 +635,7 @@ static void snoop_recv(struct ib_mad_qp_info *qp_info,
                 spin_unlock_irqrestore(&qp_info->snoop_lock, flags);
                 mad_snoop_priv->agent.recv_handler(&mad_snoop_priv->agent,
                                                    mad_recv_wc);
-                if (atomic_dec_and_test(&mad_snoop_priv->refcount))
-                        wake_up(&mad_snoop_priv->wait);
+                deref_snoop_agent(mad_snoop_priv);
                 spin_lock_irqsave(&qp_info->snoop_lock, flags);
         }
         spin_unlock_irqrestore(&qp_info->snoop_lock, flags);
@@ -968,8 +976,7 @@ void ib_free_send_mad(struct ib_mad_send_buf *send_buf)
 
         free_send_rmpp_list(mad_send_wr);
         kfree(send_buf->mad);
-        if (atomic_dec_and_test(&mad_agent_priv->refcount))
-                wake_up(&mad_agent_priv->wait);
+        deref_mad_agent(mad_agent_priv);
 }
 EXPORT_SYMBOL(ib_free_send_mad);
 
@@ -1757,8 +1764,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
                 mad_recv_wc = ib_process_rmpp_recv_wc(mad_agent_priv,
                                                       mad_recv_wc);
                 if (!mad_recv_wc) {
-                        if (atomic_dec_and_test(&mad_agent_priv->refcount))
-                                wake_up(&mad_agent_priv->wait);
+                        deref_mad_agent(mad_agent_priv);
                         return;
                 }
         }
@@ -1770,8 +1776,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
                 if (!mad_send_wr) {
                         spin_unlock_irqrestore(&mad_agent_priv->lock, flags);
                         ib_free_recv_mad(mad_recv_wc);
-                        if (atomic_dec_and_test(&mad_agent_priv->refcount))
-                                wake_up(&mad_agent_priv->wait);
+                        deref_mad_agent(mad_agent_priv);
                         return;
                 }
                 ib_mark_mad_done(mad_send_wr);
@@ -1790,8 +1795,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
         } else {
                 mad_agent_priv->agent.recv_handler(&mad_agent_priv->agent,
                                                    mad_recv_wc);
-                if (atomic_dec_and_test(&mad_agent_priv->refcount))
-                        wake_up(&mad_agent_priv->wait);
+                deref_mad_agent(mad_agent_priv);
         }
 }
 
@@ -2021,8 +2025,7 @@ void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr,
                                                    mad_send_wc);
 
         /* Release reference on agent taken when sending */
-        if (atomic_dec_and_test(&mad_agent_priv->refcount))
-                wake_up(&mad_agent_priv->wait);
+        deref_mad_agent(mad_agent_priv);
         return;
 done:
         spin_unlock_irqrestore(&mad_agent_priv->lock, flags);
diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h
index 6c9c133d71ef..b4fa28d3160f 100644
--- a/drivers/infiniband/core/mad_priv.h
+++ b/drivers/infiniband/core/mad_priv.h
@@ -37,6 +37,7 @@
 #ifndef __IB_MAD_PRIV_H__
 #define __IB_MAD_PRIV_H__
 
+#include <linux/completion.h>
 #include <linux/pci.h>
 #include <linux/kthread.h>
 #include <linux/workqueue.h>
@@ -108,7 +109,7 @@ struct ib_mad_agent_private {
         struct list_head rmpp_list;
 
         atomic_t refcount;
-        wait_queue_head_t wait;
+        struct completion comp;
 };
 
 struct ib_mad_snoop_private {
@@ -117,7 +118,7 @@ struct ib_mad_snoop_private {
         int snoop_index;
         int mad_snoop_flags;
         atomic_t refcount;
-        wait_queue_head_t wait;
+        struct completion comp;
 };
 
 struct ib_mad_send_wr_private {
diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c
index dfd4e588ce03..d4704e054e30 100644
--- a/drivers/infiniband/core/mad_rmpp.c
+++ b/drivers/infiniband/core/mad_rmpp.c
@@ -49,7 +49,7 @@ struct mad_rmpp_recv {
         struct list_head list;
         struct work_struct timeout_work;
         struct work_struct cleanup_work;
-        wait_queue_head_t wait;
+        struct completion comp;
         enum rmpp_state state;
         spinlock_t lock;
         atomic_t refcount;
@@ -69,10 +69,16 @@ struct mad_rmpp_recv {
         u8 method;
 };
 
+static inline void deref_rmpp_recv(struct mad_rmpp_recv *rmpp_recv)
+{
+        if (atomic_dec_and_test(&rmpp_recv->refcount))
+                complete(&rmpp_recv->comp);
+}
+
 static void destroy_rmpp_recv(struct mad_rmpp_recv *rmpp_recv)
 {
-        atomic_dec(&rmpp_recv->refcount);
-        wait_event(rmpp_recv->wait, !atomic_read(&rmpp_recv->refcount));
+        deref_rmpp_recv(rmpp_recv);
+        wait_for_completion(&rmpp_recv->comp);
         ib_destroy_ah(rmpp_recv->ah);
         kfree(rmpp_recv);
 }
@@ -253,7 +259,7 @@ create_rmpp_recv(struct ib_mad_agent_private *agent,
                 goto error;
 
         rmpp_recv->agent = agent;
-        init_waitqueue_head(&rmpp_recv->wait);
+        init_completion(&rmpp_recv->comp);
         INIT_WORK(&rmpp_recv->timeout_work, recv_timeout_handler, rmpp_recv);
         INIT_WORK(&rmpp_recv->cleanup_work, recv_cleanup_handler, rmpp_recv);
         spin_lock_init(&rmpp_recv->lock);
@@ -279,12 +285,6 @@ error:	kfree(rmpp_recv);
         return NULL;
 }
 
-static inline void deref_rmpp_recv(struct mad_rmpp_recv *rmpp_recv)
-{
-        if (atomic_dec_and_test(&rmpp_recv->refcount))
-                wake_up(&rmpp_recv->wait);
-}
-
 static struct mad_rmpp_recv *
 find_rmpp_recv(struct ib_mad_agent_private *agent,
                struct ib_mad_recv_wc *mad_recv_wc)
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 15121cb5a1f6..21f9282c1b25 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -336,7 +336,7 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
         switch (width) {
         case 4:
                 ret = sprintf(buf, "%u\n", (out_mad->data[40 + offset / 8] >>
-                                            (offset % 4)) & 0xf);
+                                            (4 - (offset % 8))) & 0xf);
                 break;
         case 8:
                 ret = sprintf(buf, "%u\n", out_mad->data[40 + offset / 8]);
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index f6a05965a4e8..9164a09b6ccd 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -32,6 +32,8 @@
  *
  * $Id: ucm.c 2594 2005-06-13 19:46:02Z libor $
  */
+
+#include <linux/completion.h>
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/module.h>
@@ -72,7 +74,7 @@ struct ib_ucm_file {
 
 struct ib_ucm_context {
         int                 id;
-        wait_queue_head_t   wait;
+        struct completion   comp;
         atomic_t            ref;
         int                 events_reported;
 
@@ -138,7 +140,7 @@ static struct ib_ucm_context *ib_ucm_ctx_get(struct ib_ucm_file *file, int id)
 static void ib_ucm_ctx_put(struct ib_ucm_context *ctx)
 {
         if (atomic_dec_and_test(&ctx->ref))
-                wake_up(&ctx->wait);
+                complete(&ctx->comp);
 }
 
 static inline int ib_ucm_new_cm_id(int event)
@@ -178,7 +180,7 @@ static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file)
                 return NULL;
 
         atomic_set(&ctx->ref, 1);
-        init_waitqueue_head(&ctx->wait);
+        init_completion(&ctx->comp);
         ctx->file = file;
         INIT_LIST_HEAD(&ctx->events);
 
@@ -586,8 +588,8 @@ static ssize_t ib_ucm_destroy_id(struct ib_ucm_file *file,
         if (IS_ERR(ctx))
                 return PTR_ERR(ctx);
 
-        atomic_dec(&ctx->ref);
-        wait_event(ctx->wait, !atomic_read(&ctx->ref));
+        ib_ucm_ctx_put(ctx);
+        wait_for_completion(&ctx->comp);
 
         /* No new events will be generated after destroying the cm_id. */
         ib_destroy_cm_id(ctx->cm_id);
diff --git a/drivers/infiniband/core/uverbs_mem.c b/drivers/infiniband/core/uverbs_mem.c
index 36a32c315668..efe147dbeb42 100644
--- a/drivers/infiniband/core/uverbs_mem.c
+++ b/drivers/infiniband/core/uverbs_mem.c
@@ -211,8 +211,10 @@ void ib_umem_release_on_close(struct ib_device *dev, struct ib_umem *umem)
          */
 
         work = kmalloc(sizeof *work, GFP_KERNEL);
-        if (!work)
+        if (!work) {
+                mmput(mm);
                 return;
+        }
 
         INIT_WORK(&work->work, ib_umem_account, work);
         work->mm   = mm;
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 398add4d4cb1..3697edafd6d2 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -116,10 +116,9 @@ static int __devinit ipath_init_one(struct pci_dev *,
 #define PCI_DEVICE_ID_INFINIPATH_PE800 0x10
 
 static const struct pci_device_id ipath_pci_tbl[] = {
-        {PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE,
-                    PCI_DEVICE_ID_INFINIPATH_HT)},
-        {PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE,
-                    PCI_DEVICE_ID_INFINIPATH_PE800)},
+        { PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_HT) },
+        { PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_PE800) },
+        { 0, }
 };
 
 MODULE_DEVICE_TABLE(pci, ipath_pci_tbl);
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 1985b5dfa481..798e13e14faf 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -182,7 +182,7 @@ struct mthca_cmd_context {
         u8                status;
 };
 
-static int fw_cmd_doorbell = 1;
+static int fw_cmd_doorbell = 0;
 module_param(fw_cmd_doorbell, int, 0644);
 MODULE_PARM_DESC(fw_cmd_doorbell, "post FW commands through doorbell page if nonzero "
                  "(and supported by FW)");
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 312cf90731ea..205854e9c662 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -238,9 +238,9 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
         spin_lock(&dev->cq_table.lock);
 
         cq = mthca_array_get(&dev->cq_table.cq, cqn & (dev->limits.num_cqs - 1));
-
         if (cq)
-                atomic_inc(&cq->refcount);
+                ++cq->refcount;
+
         spin_unlock(&dev->cq_table.lock);
 
         if (!cq) {
@@ -254,8 +254,10 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
         if (cq->ibcq.event_handler)
                 cq->ibcq.event_handler(&event, cq->ibcq.cq_context);
 
-        if (atomic_dec_and_test(&cq->refcount))
+        spin_lock(&dev->cq_table.lock);
+        if (!--cq->refcount)
                 wake_up(&cq->wait);
+        spin_unlock(&dev->cq_table.lock);
 }
 
 static inline int is_recv_cqe(struct mthca_cqe *cqe)
@@ -267,23 +269,13 @@ static inline int is_recv_cqe(struct mthca_cqe *cqe)
                 return !(cqe->is_send & 0x80);
 }
 
-void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
+void mthca_cq_clean(struct mthca_dev *dev, struct mthca_cq *cq, u32 qpn,
                     struct mthca_srq *srq)
 {
-        struct mthca_cq *cq;
         struct mthca_cqe *cqe;
         u32 prod_index;
         int nfreed = 0;
 
-        spin_lock_irq(&dev->cq_table.lock);
-        cq = mthca_array_get(&dev->cq_table.cq, cqn & (dev->limits.num_cqs - 1));
-        if (cq)
-                atomic_inc(&cq->refcount);
-        spin_unlock_irq(&dev->cq_table.lock);
-
-        if (!cq)
-                return;
-
         spin_lock_irq(&cq->lock);
 
         /*
@@ -301,7 +293,7 @@ void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
 
         if (0)
                 mthca_dbg(dev, "Cleaning QPN %06x from CQN %06x; ci %d, pi %d\n",
-                          qpn, cqn, cq->cons_index, prod_index);
+                          qpn, cq->cqn, cq->cons_index, prod_index);
 
         /*
          * Now sweep backwards through the CQ, removing CQ entries
@@ -325,8 +317,6 @@ void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
         }
 
         spin_unlock_irq(&cq->lock);
-        if (atomic_dec_and_test(&cq->refcount))
-                wake_up(&cq->wait);
 }
 
 void mthca_cq_resize_copy_cqes(struct mthca_cq *cq)
@@ -821,7 +811,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
         }
 
         spin_lock_init(&cq->lock);
-        atomic_set(&cq->refcount, 1);
+        cq->refcount = 1;
         init_waitqueue_head(&cq->wait);
 
         memset(cq_context, 0, sizeof *cq_context);
@@ -896,6 +886,17 @@ err_out:
         return err;
 }
 
+static inline int get_cq_refcount(struct mthca_dev *dev, struct mthca_cq *cq)
+{
+        int c;
+
+        spin_lock_irq(&dev->cq_table.lock);
+        c = cq->refcount;
+        spin_unlock_irq(&dev->cq_table.lock);
+
+        return c;
+}
+
 void mthca_free_cq(struct mthca_dev *dev,
                    struct mthca_cq *cq)
 {
@@ -929,6 +930,7 @@ void mthca_free_cq(struct mthca_dev *dev,
         spin_lock_irq(&dev->cq_table.lock);
         mthca_array_clear(&dev->cq_table.cq,
                           cq->cqn & (dev->limits.num_cqs - 1));
+        --cq->refcount;
         spin_unlock_irq(&dev->cq_table.lock);
 
         if (dev->mthca_flags & MTHCA_FLAG_MSI_X)
@@ -936,8 +938,7 @@ void mthca_free_cq(struct mthca_dev *dev,
         else
                 synchronize_irq(dev->pdev->irq);
 
-        atomic_dec(&cq->refcount);
-        wait_event(cq->wait, !atomic_read(&cq->refcount));
+        wait_event(cq->wait, !get_cq_refcount(dev, cq));
 
         if (cq->is_kernel) {
                 mthca_free_cq_buf(dev, &cq->buf, cq->ibcq.cqe);
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 4c1dcb4c1822..f8160b8de090 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -496,7 +496,7 @@ void mthca_free_cq(struct mthca_dev *dev,
 void mthca_cq_completion(struct mthca_dev *dev, u32 cqn);
 void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
                     enum ib_event_type event_type);
-void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
+void mthca_cq_clean(struct mthca_dev *dev, struct mthca_cq *cq, u32 qpn,
                     struct mthca_srq *srq);
 void mthca_cq_resize_copy_cqes(struct mthca_cq *cq);
 int mthca_alloc_cq_buf(struct mthca_dev *dev, struct mthca_cq_buf *buf, int nent);
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index 25e1c1db9a40..a486dec1707e 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -761,6 +761,7 @@ void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr)
 
 int __devinit mthca_init_mr_table(struct mthca_dev *dev)
 {
+        unsigned long addr;
         int err, i;
 
         err = mthca_alloc_init(&dev->mr_table.mpt_alloc,
@@ -796,9 +797,12 @@ int __devinit mthca_init_mr_table(struct mthca_dev *dev)
                         goto err_fmr_mpt;
                 }
 
+                addr = pci_resource_start(dev->pdev, 4) +
+                        ((pci_resource_len(dev->pdev, 4) - 1) &
+                         dev->mr_table.mpt_base);
+
                 dev->mr_table.tavor_fmr.mpt_base =
-                        ioremap(dev->mr_table.mpt_base,
-                                (1 << i) * sizeof (struct mthca_mpt_entry));
+                        ioremap(addr, (1 << i) * sizeof(struct mthca_mpt_entry));
 
                 if (!dev->mr_table.tavor_fmr.mpt_base) {
                         mthca_warn(dev, "MPT ioremap for FMR failed.\n");
@@ -806,9 +810,12 @@ int __devinit mthca_init_mr_table(struct mthca_dev *dev)
                         goto err_fmr_mpt;
                 }
 
+                addr = pci_resource_start(dev->pdev, 4) +
+                        ((pci_resource_len(dev->pdev, 4) - 1) &
+                         dev->mr_table.mtt_base);
+
                 dev->mr_table.tavor_fmr.mtt_base =
-                        ioremap(dev->mr_table.mtt_base,
-                                (1 << i) * MTHCA_MTT_SEG_SIZE);
+                        ioremap(addr, (1 << i) * MTHCA_MTT_SEG_SIZE);
                 if (!dev->mr_table.tavor_fmr.mtt_base) {
                         mthca_warn(dev, "MTT ioremap for FMR failed.\n");
                         err = -ENOMEM;
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h
index 6676a786d690..179a8f610d0f 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.h
+++ b/drivers/infiniband/hw/mthca/mthca_provider.h
@@ -139,11 +139,12 @@ struct mthca_ah {
  * a qp may be locked, with the send cq locked first.  No other
  * nesting should be done.
  *
- * Each struct mthca_cq/qp also has an atomic_t ref count.  The
- * pointer from the cq/qp_table to the struct counts as one reference.
- * This reference also is good for access through the consumer API, so
- * modifying the CQ/QP etc doesn't need to take another reference.
- * Access because of a completion being polled does need a reference.
+ * Each struct mthca_cq/qp also has an ref count, protected by the
+ * corresponding table lock.  The pointer from the cq/qp_table to the
+ * struct counts as one reference.  This reference also is good for
+ * access through the consumer API, so modifying the CQ/QP etc doesn't
+ * need to take another reference.  Access to a QP because of a
+ * completion being polled does not need a reference either.
  *
  * Finally, each struct mthca_cq/qp has a wait_queue_head_t for the
  * destroy function to sleep on.
@@ -159,8 +160,9 @@ struct mthca_ah {
  * - decrement ref count; if zero, wake up waiters
  *
  * To destroy a CQ/QP, we can do the following:
- * - lock cq/qp_table, remove pointer, unlock cq/qp_table lock
- * - decrement ref count
+ * - lock cq/qp_table
+ * - remove pointer and decrement ref count
+ * - unlock cq/qp_table lock
  * - wait_event until ref count is zero
  *
  * It is the consumer's responsibilty to make sure that no QP
@@ -197,7 +199,7 @@ struct mthca_cq_resize {
 struct mthca_cq {
         struct ib_cq            ibcq;
         spinlock_t              lock;
-        atomic_t                refcount;
+        int                     refcount;
         int                     cqn;
         u32                     cons_index;
         struct mthca_cq_buf     buf;
@@ -217,7 +219,7 @@ struct mthca_cq {
 struct mthca_srq {
         struct ib_srq           ibsrq;
         spinlock_t              lock;
-        atomic_t                refcount;
+        int                     refcount;
         int                     srqn;
         int                     max;
         int                     max_gs;
@@ -254,7 +256,7 @@ struct mthca_wq {
 
 struct mthca_qp {
         struct ib_qp           ibqp;
-        atomic_t               refcount;
+        int                    refcount;
         u32                    qpn;
         int                    is_direct;
         u8                     port; /* for SQP and memfree use only */
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index f37b0e367323..07c13be07a4a 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -240,7 +240,7 @@ void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
         spin_lock(&dev->qp_table.lock);
         qp = mthca_array_get(&dev->qp_table.qp, qpn & (dev->limits.num_qps - 1));
         if (qp)
-                atomic_inc(&qp->refcount);
+                ++qp->refcount;
         spin_unlock(&dev->qp_table.lock);
 
         if (!qp) {
@@ -257,8 +257,10 @@ void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
         if (qp->ibqp.event_handler)
                 qp->ibqp.event_handler(&event, qp->ibqp.qp_context);
 
-        if (atomic_dec_and_test(&qp->refcount))
+        spin_lock(&dev->qp_table.lock);
+        if (!--qp->refcount)
                 wake_up(&qp->wait);
+        spin_unlock(&dev->qp_table.lock);
 }
 
 static int to_mthca_state(enum ib_qp_state ib_state)
@@ -833,10 +835,10 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
          * entries and reinitialize the QP.
          */
         if (new_state == IB_QPS_RESET && !qp->ibqp.uobject) {
-                mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq)->cqn, qp->qpn,
+                mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq), qp->qpn,
                                qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL);
                 if (qp->ibqp.send_cq != qp->ibqp.recv_cq)
-                        mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq)->cqn, qp->qpn,
+                        mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq), qp->qpn,
                                        qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL);
 
                 mthca_wq_init(&qp->sq);
@@ -1096,7 +1098,7 @@ static int mthca_alloc_qp_common(struct mthca_dev *dev,
         int ret;
         int i;
 
-        atomic_set(&qp->refcount, 1);
+        qp->refcount = 1;
         init_waitqueue_head(&qp->wait);
         qp->state        = IB_QPS_RESET;
         qp->atomic_rd_en = 0;
@@ -1318,6 +1320,17 @@ int mthca_alloc_sqp(struct mthca_dev *dev,
         return err;
 }
 
+static inline int get_qp_refcount(struct mthca_dev *dev, struct mthca_qp *qp)
+{
+        int c;
+
+        spin_lock_irq(&dev->qp_table.lock);
+        c = qp->refcount;
+        spin_unlock_irq(&dev->qp_table.lock);
+
+        return c;
+}
+
 void mthca_free_qp(struct mthca_dev *dev,
                    struct mthca_qp *qp)
 {
@@ -1339,14 +1352,14 @@ void mthca_free_qp(struct mthca_dev *dev,
         spin_lock(&dev->qp_table.lock);
         mthca_array_clear(&dev->qp_table.qp,
                           qp->qpn & (dev->limits.num_qps - 1));
+        --qp->refcount;
         spin_unlock(&dev->qp_table.lock);
 
         if (send_cq != recv_cq)
                 spin_unlock(&recv_cq->lock);
         spin_unlock_irq(&send_cq->lock);
 
-        atomic_dec(&qp->refcount);
-        wait_event(qp->wait, !atomic_read(&qp->refcount));
+        wait_event(qp->wait, !get_qp_refcount(dev, qp));
 
         if (qp->state != IB_QPS_RESET)
                 mthca_MODIFY_QP(dev, qp->state, IB_QPS_RESET, qp->qpn, 0,
@@ -1358,10 +1371,10 @@ void mthca_free_qp(struct mthca_dev *dev,
          * unref the mem-free tables and free the QPN in our table.
          */
         if (!qp->ibqp.uobject) {
-                mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq)->cqn, qp->qpn,
+                mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq), qp->qpn,
                                qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL);
                 if (qp->ibqp.send_cq != qp->ibqp.recv_cq)
-                        mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq)->cqn, qp->qpn,
+                        mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq), qp->qpn,
                                        qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL);
 
                 mthca_free_memfree(dev, qp);
@@ -1714,23 +1727,7 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 
         ind = qp->rq.next_ind;
 
-        for (nreq = 0; wr; ++nreq, wr = wr->next) {
-                if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) {
-                        nreq = 0;
-
-                        doorbell[0] = cpu_to_be32((qp->rq.next_ind << qp->rq.wqe_shift) | size0);
-                        doorbell[1] = cpu_to_be32(qp->qpn << 8);
-
-                        wmb();
-
-                        mthca_write64(doorbell,
-                                      dev->kar + MTHCA_RECEIVE_DOORBELL,
-                                      MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
-
-                        qp->rq.head += MTHCA_TAVOR_MAX_WQES_PER_RECV_DB;
-                        size0 = 0;
-                }
-
+        for (nreq = 0; wr; wr = wr->next) {
                 if (mthca_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
                         mthca_err(dev, "RQ %06x full (%u head, %u tail,"
                                         " %d max, %d nreq)\n", qp->qpn,
@@ -1784,6 +1781,23 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
                 ++ind;
                 if (unlikely(ind >= qp->rq.max))
                         ind -= qp->rq.max;
+
+                ++nreq;
+                if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) {
+                        nreq = 0;
+
+                        doorbell[0] = cpu_to_be32((qp->rq.next_ind << qp->rq.wqe_shift) | size0);
+                        doorbell[1] = cpu_to_be32(qp->qpn << 8);
+
+                        wmb();
+
+                        mthca_write64(doorbell,
+                                      dev->kar + MTHCA_RECEIVE_DOORBELL,
+                                      MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
+
+                        qp->rq.head += MTHCA_TAVOR_MAX_WQES_PER_RECV_DB;
+                        size0 = 0;
+                }
         }
 
 out:
diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index adcaf85355ae..1ea433291fa7 100644
--- a/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -241,7 +241,7 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
                 goto err_out_mailbox;
 
         spin_lock_init(&srq->lock);
-        atomic_set(&srq->refcount, 1);
+        srq->refcount = 1;
         init_waitqueue_head(&srq->wait);
 
         if (mthca_is_memfree(dev))
@@ -308,6 +308,17 @@ err_out:
         return err;
 }
 
+static inline int get_srq_refcount(struct mthca_dev *dev, struct mthca_srq *srq)
+{
+        int c;
+
+        spin_lock_irq(&dev->srq_table.lock);
+        c = srq->refcount;
+        spin_unlock_irq(&dev->srq_table.lock);
+
+        return c;
+}
+
 void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq)
 {
         struct mthca_mailbox *mailbox;
@@ -329,10 +340,10 @@ void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq)
         spin_lock_irq(&dev->srq_table.lock);
         mthca_array_clear(&dev->srq_table.srq,
                           srq->srqn & (dev->limits.num_srqs - 1));
+        --srq->refcount;
         spin_unlock_irq(&dev->srq_table.lock);
 
-        atomic_dec(&srq->refcount);
-        wait_event(srq->wait, !atomic_read(&srq->refcount));
+        wait_event(srq->wait, !get_srq_refcount(dev, srq));
 
         if (!srq->ibsrq.uobject) {
                 mthca_free_srq_buf(dev, srq);
@@ -414,7 +425,7 @@ void mthca_srq_event(struct mthca_dev *dev, u32 srqn,
         spin_lock(&dev->srq_table.lock);
         srq = mthca_array_get(&dev->srq_table.srq, srqn & (dev->limits.num_srqs - 1));
         if (srq)
-                atomic_inc(&srq->refcount);
+                ++srq->refcount;
         spin_unlock(&dev->srq_table.lock);
 
         if (!srq) {
@@ -431,8 +442,10 @@ void mthca_srq_event(struct mthca_dev *dev, u32 srqn,
         srq->ibsrq.event_handler(&event, srq->ibsrq.srq_context);
 
 out:
-        if (atomic_dec_and_test(&srq->refcount))
+        spin_lock(&dev->srq_table.lock);
+        if (!--srq->refcount)
                 wake_up(&srq->wait);
+        spin_unlock(&dev->srq_table.lock);
 }
 
 /*
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
index 4ca175553f9f..f887780e8093 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
@@ -158,10 +158,8 @@ int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey)
                 if (priv->pkey == pkey) {
                         unregister_netdev(priv->dev);
                         ipoib_dev_cleanup(priv->dev);
-
                         list_del(&priv->list);
-
-                        kfree(priv);
+                        free_netdev(priv->dev);
 
                         ret = 0;
                         break;
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 5bb55742ada6..9cbdffa08dc2 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -340,7 +340,10 @@ static void srp_disconnect_target(struct srp_target_port *target)
         /* XXX should send SRP_I_LOGOUT request */
 
         init_completion(&target->done);
-        ib_send_cm_dreq(target->cm_id, NULL, 0);
+        if (ib_send_cm_dreq(target->cm_id, NULL, 0)) {
+                printk(KERN_DEBUG PFX "Sending CM DREQ failed\n");
+                return;
+        }
         wait_for_completion(&target->done);
 }
 
@@ -351,7 +354,6 @@ static void srp_remove_work(void *target_ptr)
         spin_lock_irq(target->scsi_host->host_lock);
         if (target->state != SRP_TARGET_DEAD) {
                 spin_unlock_irq(target->scsi_host->host_lock);
-                scsi_host_put(target->scsi_host);
                 return;
         }
         target->state = SRP_TARGET_REMOVED;
@@ -365,8 +367,6 @@ static void srp_remove_work(void *target_ptr)
         ib_destroy_cm_id(target->cm_id);
         srp_free_target_ib(target);
         scsi_host_put(target->scsi_host);
-        /* And another put to really free the target port... */
-        scsi_host_put(target->scsi_host);
 }
 
 static int srp_connect_target(struct srp_target_port *target)
@@ -409,6 +409,34 @@ static int srp_connect_target(struct srp_target_port *target)
         }
 }
 
+static void srp_unmap_data(struct scsi_cmnd *scmnd,
+                           struct srp_target_port *target,
+                           struct srp_request *req)
+{
+        struct scatterlist *scat;
+        int nents;
+
+        if (!scmnd->request_buffer ||
+            (scmnd->sc_data_direction != DMA_TO_DEVICE &&
+             scmnd->sc_data_direction != DMA_FROM_DEVICE))
+                return;
+
+        /*
+         * This handling of non-SG commands can be killed when the
+         * SCSI midlayer no longer generates non-SG commands.
+         */
+        if (likely(scmnd->use_sg)) {
+                nents = scmnd->use_sg;
+                scat  = scmnd->request_buffer;
+        } else {
+                nents = 1;
+                scat  = &req->fake_sg;
+        }
+
+        dma_unmap_sg(target->srp_host->dev->dma_device, scat, nents,
+                     scmnd->sc_data_direction);
+}
+
 static int srp_reconnect_target(struct srp_target_port *target)
 {
         struct ib_cm_id *new_cm_id;
@@ -455,16 +483,16 @@ static int srp_reconnect_target(struct srp_target_port *target)
         list_for_each_entry(req, &target->req_queue, list) {
                 req->scmnd->result = DID_RESET << 16;
                 req->scmnd->scsi_done(req->scmnd);
+                srp_unmap_data(req->scmnd, target, req);
         }
 
         target->rx_head  = 0;
         target->tx_head  = 0;
         target->tx_tail  = 0;
-        target->req_head = 0;
-        for (i = 0; i < SRP_SQ_SIZE - 1; ++i)
-                target->req_ring[i].next = i + 1;
-        target->req_ring[SRP_SQ_SIZE - 1].next = -1;
+        INIT_LIST_HEAD(&target->free_reqs);
         INIT_LIST_HEAD(&target->req_queue);
+        for (i = 0; i < SRP_SQ_SIZE; ++i)
+                list_add_tail(&target->req_ring[i].list, &target->free_reqs);
 
         ret = srp_connect_target(target);
         if (ret)
@@ -589,40 +617,10 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target,
         return len;
 }
 
-static void srp_unmap_data(struct scsi_cmnd *scmnd,
-                           struct srp_target_port *target,
-                           struct srp_request *req)
-{
-        struct scatterlist *scat;
-        int nents;
-
-        if (!scmnd->request_buffer ||
-            (scmnd->sc_data_direction != DMA_TO_DEVICE &&
-             scmnd->sc_data_direction != DMA_FROM_DEVICE))
-                return;
-
-        /*
-         * This handling of non-SG commands can be killed when the
-         * SCSI midlayer no longer generates non-SG commands.
-         */
-        if (likely(scmnd->use_sg)) {
-                nents = scmnd->use_sg;
-                scat  = scmnd->request_buffer;
-        } else {
-                nents = 1;
-                scat  = &req->fake_sg;
-        }
-
-        dma_unmap_sg(target->srp_host->dev->dma_device, scat, nents,
-                     scmnd->sc_data_direction);
-}
-
-static void srp_remove_req(struct srp_target_port *target, struct srp_request *req,
-                           int index)
+static void srp_remove_req(struct srp_target_port *target, struct srp_request *req)
 {
-        list_del(&req->list);
-        req->next = target->req_head;
-        target->req_head = index;
+        srp_unmap_data(req->scmnd, target, req);
+        list_move_tail(&req->list, &target->free_reqs);
 }
 
 static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
@@ -647,7 +645,7 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
                         req->tsk_status = rsp->data[3];
                 complete(&req->done);
         } else {
-                scmnd         = req->scmnd;
+                scmnd = req->scmnd;
                 if (!scmnd)
                         printk(KERN_ERR "Null scmnd for RSP w/tag %016llx\n",
                                (unsigned long long) rsp->tag);
@@ -665,14 +663,11 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
                 else if (rsp->flags & (SRP_RSP_FLAG_DIOVER | SRP_RSP_FLAG_DIUNDER))
                         scmnd->resid = be32_to_cpu(rsp->data_in_res_cnt);
 
-                srp_unmap_data(scmnd, target, req);
-
                 if (!req->tsk_mgmt) {
-                        req->scmnd = NULL;
                         scmnd->host_scribble = (void *) -1L;
                         scmnd->scsi_done(scmnd);
 
-                        srp_remove_req(target, req, rsp->tag & ~SRP_TAG_TSK_MGMT);
+                        srp_remove_req(target, req);
                 } else
                         req->cmd_done = 1;
         }
@@ -859,7 +854,6 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd,
         struct srp_request *req;
         struct srp_iu *iu;
         struct srp_cmd *cmd;
-        long req_index;
         int len;
 
         if (target->state == SRP_TARGET_CONNECTING)
@@ -879,22 +873,20 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd,
         dma_sync_single_for_cpu(target->srp_host->dev->dma_device, iu->dma,
                                 SRP_MAX_IU_LEN, DMA_TO_DEVICE);
 
-        req_index = target->req_head;
+        req = list_entry(target->free_reqs.next, struct srp_request, list);
 
         scmnd->scsi_done     = done;
         scmnd->result        = 0;
-        scmnd->host_scribble = (void *) req_index;
+        scmnd->host_scribble = (void *) (long) req->index;
 
         cmd = iu->buf;
         memset(cmd, 0, sizeof *cmd);
 
         cmd->opcode = SRP_CMD;
         cmd->lun    = cpu_to_be64((u64) scmnd->device->lun << 48);
-        cmd->tag    = req_index;
+        cmd->tag    = req->index;
         memcpy(cmd->cdb, scmnd->cmnd, scmnd->cmd_len);
 
-        req = &target->req_ring[req_index];
-
         req->scmnd    = scmnd;
         req->cmd      = iu;
         req->cmd_done = 0;
@@ -919,8 +911,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd,
                 goto err_unmap;
         }
 
-        target->req_head = req->next;
-        list_add_tail(&req->list, &target->req_queue);
+        list_move_tail(&req->list, &target->req_queue);
 
         return 0;
 
@@ -1143,30 +1134,20 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
         return 0;
 }
 
-static int srp_send_tsk_mgmt(struct scsi_cmnd *scmnd, u8 func)
+static int srp_send_tsk_mgmt(struct srp_target_port *target,
+                             struct srp_request *req, u8 func)
 {
-        struct srp_target_port *target = host_to_target(scmnd->device->host);
-        struct srp_request *req;
         struct srp_iu *iu;
         struct srp_tsk_mgmt *tsk_mgmt;
-        int req_index;
-        int ret = FAILED;
 
         spin_lock_irq(target->scsi_host->host_lock);
 
         if (target->state == SRP_TARGET_DEAD ||
             target->state == SRP_TARGET_REMOVED) {
-                scmnd->result = DID_BAD_TARGET << 16;
+                req->scmnd->result = DID_BAD_TARGET << 16;
                 goto out;
         }
 
-        if (scmnd->host_scribble == (void *) -1L)
-                goto out;
-
-        req_index = (long) scmnd->host_scribble;
-        printk(KERN_ERR "Abort for req_index %d\n", req_index);
-
-        req = &target->req_ring[req_index];
         init_completion(&req->done);
 
         iu = __srp_get_tx_iu(target);
@@ -1177,10 +1158,10 @@ static int srp_send_tsk_mgmt(struct scsi_cmnd *scmnd, u8 func)
         memset(tsk_mgmt, 0, sizeof *tsk_mgmt);
 
         tsk_mgmt->opcode        = SRP_TSK_MGMT;
-        tsk_mgmt->lun           = cpu_to_be64((u64) scmnd->device->lun << 48);
-        tsk_mgmt->tag           = req_index | SRP_TAG_TSK_MGMT;
+        tsk_mgmt->lun           = cpu_to_be64((u64) req->scmnd->device->lun << 48);
+        tsk_mgmt->tag           = req->index | SRP_TAG_TSK_MGMT;
         tsk_mgmt->tsk_mgmt_func = func;
-        tsk_mgmt->task_tag      = req_index;
+        tsk_mgmt->task_tag      = req->index;
 
         if (__srp_post_send(target, iu, sizeof *tsk_mgmt))
                 goto out;
@@ -1188,37 +1169,85 @@ static int srp_send_tsk_mgmt(struct scsi_cmnd *scmnd, u8 func)
         req->tsk_mgmt = iu;
 
         spin_unlock_irq(target->scsi_host->host_lock);
+
         if (!wait_for_completion_timeout(&req->done,
                                          msecs_to_jiffies(SRP_ABORT_TIMEOUT_MS)))
-                return FAILED;
-        spin_lock_irq(target->scsi_host->host_lock);
+                return -1;
 
-        if (req->cmd_done) {
-                srp_remove_req(target, req, req_index);
-                scmnd->scsi_done(scmnd);
-        } else if (!req->tsk_status) {
-                srp_remove_req(target, req, req_index);
-                scmnd->result = DID_ABORT << 16;
-                ret = SUCCESS;
-        }
+        return 0;
 
 out:
         spin_unlock_irq(target->scsi_host->host_lock);
-        return ret;
+        return -1;
+}
+
+static int srp_find_req(struct srp_target_port *target,
+                        struct scsi_cmnd *scmnd,
+                        struct srp_request **req)
+{
+        if (scmnd->host_scribble == (void *) -1L)
+                return -1;
+
+        *req = &target->req_ring[(long) scmnd->host_scribble];
+
+        return 0;
 }
 
 static int srp_abort(struct scsi_cmnd *scmnd)
 {
+        struct srp_target_port *target = host_to_target(scmnd->device->host);
+        struct srp_request *req;
+        int ret = SUCCESS;
+
         printk(KERN_ERR "SRP abort called\n");
 
-        return srp_send_tsk_mgmt(scmnd, SRP_TSK_ABORT_TASK);
+        if (srp_find_req(target, scmnd, &req))
+                return FAILED;
+        if (srp_send_tsk_mgmt(target, req, SRP_TSK_ABORT_TASK))
+                return FAILED;
+
+        spin_lock_irq(target->scsi_host->host_lock);
+
+        if (req->cmd_done) {
+                srp_remove_req(target, req);
+                scmnd->scsi_done(scmnd);
+        } else if (!req->tsk_status) {
+                srp_remove_req(target, req);
+                scmnd->result = DID_ABORT << 16;
+        } else
+                ret = FAILED;
+
+        spin_unlock_irq(target->scsi_host->host_lock);
+
+        return ret;
 }
 
 static int srp_reset_device(struct scsi_cmnd *scmnd)
 {
+        struct srp_target_port *target = host_to_target(scmnd->device->host);
+        struct srp_request *req, *tmp;
+
         printk(KERN_ERR "SRP reset_device called\n");
 
-        return srp_send_tsk_mgmt(scmnd, SRP_TSK_LUN_RESET);
+        if (srp_find_req(target, scmnd, &req))
+                return FAILED;
+        if (srp_send_tsk_mgmt(target, req, SRP_TSK_LUN_RESET))
+                return FAILED;
+        if (req->tsk_status)
+                return FAILED;
+
+        spin_lock_irq(target->scsi_host->host_lock);
+
+        list_for_each_entry_safe(req, tmp, &target->req_queue, list)
+                if (req->scmnd->device == scmnd->device) {
+                        req->scmnd->result = DID_RESET << 16;
+                        req->scmnd->scsi_done(req->scmnd);
+                        srp_remove_req(target, req);
+                }
+
+        spin_unlock_irq(target->scsi_host->host_lock);
+
+        return SUCCESS;
 }
 
 static int srp_reset_host(struct scsi_cmnd *scmnd)
@@ -1518,10 +1547,12 @@ static ssize_t srp_create_target(struct class_device *class_dev,
 
         INIT_WORK(&target->work, srp_reconnect_work, target);
 
-        for (i = 0; i < SRP_SQ_SIZE - 1; ++i)
-                target->req_ring[i].next = i + 1;
-        target->req_ring[SRP_SQ_SIZE - 1].next = -1;
+        INIT_LIST_HEAD(&target->free_reqs);
         INIT_LIST_HEAD(&target->req_queue);
+        for (i = 0; i < SRP_SQ_SIZE; ++i) {
+                target->req_ring[i].index = i;
+                list_add_tail(&target->req_ring[i].list, &target->free_reqs);
+        }
 
         ret = srp_parse_options(buf, target);
         if (ret)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index bd7f7c3115de..c5cd43aae860 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -101,7 +101,7 @@ struct srp_request {
          */
         struct scatterlist      fake_sg;
         struct completion       done;
-        short                   next;
+        short                   index;
         u8                      cmd_done;
         u8                      tsk_status;
 };
@@ -133,7 +133,7 @@ struct srp_target_port {
         unsigned                tx_tail;
         struct srp_iu          *tx_ring[SRP_SQ_SIZE + 1];
 
-        int                     req_head;
+        struct list_head        free_reqs;
         struct list_head        req_queue;
         struct srp_request      req_ring[SRP_SQ_SIZE];
 
diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
index 1042987856f7..5013703db0e6 100644
--- a/drivers/input/touchscreen/corgi_ts.c
+++ b/drivers/input/touchscreen/corgi_ts.c
@@ -17,7 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <asm/irq.h>
+//#include <asm/irq.h>
 
 #include <asm/arch/sharpsl.h>
 #include <asm/arch/hardware.h>
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 9b493f0becc4..173c899a1fb4 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1499,7 +1499,6 @@ static int __init capi_init(void)
                 printk(KERN_ERR "capi20: unable to get major %d\n", capi_major);
                 return major_ret;
         }
-        capi_major = major_ret;
         capi_class = class_create(THIS_MODULE, "capi");
         if (IS_ERR(capi_class)) {
                 unregister_chrdev(capi_major, "capi20");
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index bfb73fd5077e..d86ab68114b0 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -710,8 +710,8 @@ static int gigaset_probe(struct usb_interface *interface,
         retval = -ENODEV; //FIXME
 
         /* See if the device offered us matches what we can accept */
-        if ((le16_to_cpu(udev->descriptor.idVendor  != USB_M105_VENDOR_ID)) ||
-            (le16_to_cpu(udev->descriptor.idProduct != USB_M105_PRODUCT_ID)))
+        if ((le16_to_cpu(udev->descriptor.idVendor)  != USB_M105_VENDOR_ID) ||
+            (le16_to_cpu(udev->descriptor.idProduct) != USB_M105_PRODUCT_ID))
                 return -ENODEV;
 
         /* this starts to become ascii art... */
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 3f5b64794542..626506234b76 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -4,8 +4,11 @@ menu "LED devices"
 config NEW_LEDS
         bool "LED Support"
         help
-          Say Y to enable Linux LED support.  This is not related to standard
-          keyboard LEDs which are controlled via the input system.
+          Say Y to enable Linux LED support.  This allows control of supported
+          LEDs from both userspace and optionally, by kernel events (triggers).
+
+          This is not related to standard keyboard LEDs which are controlled
+          via the input system.
 
 config LEDS_CLASS
         tristate "LED Class Support"
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index b0b5d05fadd6..c75d0ef1609c 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -19,6 +19,7 @@
 #include <linux/sysdev.h>
 #include <linux/timer.h>
 #include <linux/err.h>
+#include <linux/ctype.h>
 #include <linux/leds.h>
 #include "leds.h"
 
@@ -43,9 +44,13 @@ static ssize_t led_brightness_store(struct class_device *dev,
         ssize_t ret = -EINVAL;
         char *after;
         unsigned long state = simple_strtoul(buf, &after, 10);
+        size_t count = after - buf;
 
-        if (after - buf > 0) {
-                ret = after - buf;
+        if (*after && isspace(*after))
+                count++;
+
+        if (count == size) {
+                ret = count;
                 led_set_brightness(led_cdev, state);
         }
 
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index f484b5d6dbf8..fbf141ef46ec 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -20,6 +20,7 @@
 #include <linux/device.h>
 #include <linux/sysdev.h>
 #include <linux/timer.h>
+#include <linux/ctype.h>
 #include <linux/leds.h>
 #include "leds.h"
 
@@ -69,11 +70,15 @@ static ssize_t led_delay_on_store(struct class_device *dev, const char *buf,
         int ret = -EINVAL;
         char *after;
         unsigned long state = simple_strtoul(buf, &after, 10);
+        size_t count = after - buf;
 
-        if (after - buf > 0) {
+        if (*after && isspace(*after))
+                count++;
+
+        if (count == size) {
                 timer_data->delay_on = state;
                 mod_timer(&timer_data->timer, jiffies + 1);
-                ret = after - buf;
+                ret = count;
         }
 
         return ret;
@@ -97,11 +102,15 @@ static ssize_t led_delay_off_store(struct class_device *dev, const char *buf,
         int ret = -EINVAL;
         char *after;
         unsigned long state = simple_strtoul(buf, &after, 10);
+        size_t count = after - buf;
+
+        if (*after && isspace(*after))
+                count++;
 
-        if (after - buf > 0) {
+        if (count == size) {
                 timer_data->delay_off = state;
                 mod_timer(&timer_data->timer, jiffies + 1);
-                ret = after - buf;
+                ret = count;
         }
 
         return ret;
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 266414ca2814..9080853fe283 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1189,7 +1189,6 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
         ioc->diagPending = 0;
         spin_lock_init(&ioc->diagLock);
         spin_lock_init(&ioc->fc_rescan_work_lock);
-        spin_lock_init(&ioc->fc_rport_lock);
         spin_lock_init(&ioc->initializing_hba_lock);
 
         /* Initialize the event logging.
@@ -5736,11 +5735,13 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
         return rc;
 }
 
+# define EVENT_DESCR_STR_SZ             100
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 static void
 EventDescriptionStr(u8 event, u32 evData0, char *evStr)
 {
-        char *ds;
+        char *ds = NULL;
 
         switch(event) {
         case MPI_EVENT_NONE:
@@ -5777,9 +5778,9 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
                 if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
                         ds = "Loop State(LIP) Change";
                 else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
-                        ds = "Loop State(LPE) Change";                  /* ??? */
+                        ds = "Loop State(LPE) Change";          /* ??? */
                 else
-                        ds = "Loop State(LPB) Change";                  /* ??? */
+                        ds = "Loop State(LPB) Change";          /* ??? */
                 break;
         case MPI_EVENT_LOGOUT:
                 ds = "Logout";
@@ -5841,27 +5842,32 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
                 break;
         case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
         {
-                char buf[50];
                 u8 id = (u8)(evData0);
                 u8 ReasonCode = (u8)(evData0 >> 16);
                 switch (ReasonCode) {
                 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
-                        sprintf(buf,"SAS Device Status Change: Added: id=%d", id);
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                            "SAS Device Status Change: Added: id=%d", id);
                         break;
                 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
-                        sprintf(buf,"SAS Device Status Change: Deleted: id=%d", id);
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                            "SAS Device Status Change: Deleted: id=%d", id);
                         break;
                 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
-                        sprintf(buf,"SAS Device Status Change: SMART Data: id=%d", id);
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                            "SAS Device Status Change: SMART Data: id=%d",
+                            id);
                         break;
                 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
-                        sprintf(buf,"SAS Device Status Change: No Persistancy Added: id=%d", id);
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                            "SAS Device Status Change: No Persistancy "
+                            "Added: id=%d", id);
                         break;
                 default:
-                        sprintf(buf,"SAS Device Status Change: Unknown: id=%d", id);
-                break;
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                            "SAS Device Status Change: Unknown: id=%d", id);
+                        break;
                 }
-                ds = buf;
                 break;
         }
         case MPI_EVENT_ON_BUS_TIMER_EXPIRED:
@@ -5878,41 +5884,46 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
                 break;
         case MPI_EVENT_SAS_PHY_LINK_STATUS:
         {
-                char buf[50];
                 u8 LinkRates = (u8)(evData0 >> 8);
                 u8 PhyNumber = (u8)(evData0);
                 LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >>
                         MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT;
                 switch (LinkRates) {
                 case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN:
-                        sprintf(buf,"SAS PHY Link Status: Phy=%d:"
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                           "SAS PHY Link Status: Phy=%d:"
                            " Rate Unknown",PhyNumber);
                         break;
                 case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED:
-                        sprintf(buf,"SAS PHY Link Status: Phy=%d:"
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                           "SAS PHY Link Status: Phy=%d:"
                            " Phy Disabled",PhyNumber);
                         break;
                 case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION:
-                        sprintf(buf,"SAS PHY Link Status: Phy=%d:"
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                           "SAS PHY Link Status: Phy=%d:"
                            " Failed Speed Nego",PhyNumber);
                         break;
                 case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE:
-                        sprintf(buf,"SAS PHY Link Status: Phy=%d:"
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                           "SAS PHY Link Status: Phy=%d:"
                            " Sata OOB Completed",PhyNumber);
                         break;
                 case MPI_EVENT_SAS_PLS_LR_RATE_1_5:
-                        sprintf(buf,"SAS PHY Link Status: Phy=%d:"
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                           "SAS PHY Link Status: Phy=%d:"
                            " Rate 1.5 Gbps",PhyNumber);
                         break;
                 case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
-                        sprintf(buf,"SAS PHY Link Status: Phy=%d:"
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                           "SAS PHY Link Status: Phy=%d:"
                            " Rate 3.0 Gpbs",PhyNumber);
                         break;
                 default:
-                        sprintf(buf,"SAS PHY Link Status: Phy=%d", PhyNumber);
+                        snprintf(evStr, EVENT_DESCR_STR_SZ,
+                           "SAS PHY Link Status: Phy=%d", PhyNumber);
                         break;
                 }
-                ds = buf;
                 break;
         }
         case MPI_EVENT_SAS_DISCOVERY_ERROR:
@@ -5921,9 +5932,8 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
         case MPI_EVENT_IR_RESYNC_UPDATE:
         {
                 u8 resync_complete = (u8)(evData0 >> 16);
-                char buf[40];
-                sprintf(buf,"IR Resync Update: Complete = %d:",resync_complete);
-                ds = buf;
+                snprintf(evStr, EVENT_DESCR_STR_SZ,
+                    "IR Resync Update: Complete = %d:",resync_complete);
                 break;
         }
         case MPI_EVENT_IR2:
@@ -5976,7 +5986,8 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
                 ds = "Unknown";
                 break;
         }
-        strcpy(evStr,ds);
+        if (ds)
+                strncpy(evStr, ds, EVENT_DESCR_STR_SZ);
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -5998,7 +6009,7 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
         int ii;
         int r = 0;
         int handlers = 0;
-        char evStr[100];
+        char evStr[EVENT_DESCR_STR_SZ];
         u8 event;
 
         /*
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index be7e8501b53c..f673cca507e1 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -76,8 +76,8 @@
 #define COPYRIGHT       "Copyright (c) 1999-2005 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON        "3.03.08"
-#define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.03.08"
+#define MPT_LINUX_VERSION_COMMON        "3.03.09"
+#define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.03.09"
 #define WHAT_MAGIC_STRING               "@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \
@@ -489,7 +489,6 @@ typedef	struct _RaidCfgData {
 
 #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01    /* rport registered */
 #define MPT_RPORT_INFO_FLAGS_MISSING    0x02    /* missing from DevPage0 scan */
-#define MPT_RPORT_INFO_FLAGS_MAPPED_VDEV 0x04   /* target mapped in vdev */
 
 /*
  * data allocated for each fc rport device
@@ -501,7 +500,6 @@ struct mptfc_rport_info
         struct scsi_target *starget;
         FCDevicePage0_t pg0;
         u8              flags;
-        u8              remap_needed;
 };
 
 /*
@@ -628,11 +626,11 @@ typedef struct _MPT_ADAPTER
         struct work_struct       mptscsih_persistTask;
 
         struct list_head         fc_rports;
-        spinlock_t               fc_rport_lock; /* list and ri flags */
         spinlock_t               fc_rescan_work_lock;
         int                      fc_rescan_work_count;
         struct work_struct       fc_rescan_work;
-
+        char                     fc_rescan_work_q_name[KOBJ_NAME_LEN];
+        struct workqueue_struct *fc_rescan_work_q;
 } MPT_ADAPTER;
 
 /*
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index b343f2a68b1c..856487741ef4 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -341,9 +341,6 @@ mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
         rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
         rid->port_id =   pg0->PortIdentifier;
         rid->roles = FC_RPORT_ROLE_UNKNOWN;
-        rid->roles |= FC_RPORT_ROLE_FCP_TARGET;
-        if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
-                rid->roles |= FC_RPORT_ROLE_FCP_INITIATOR;
 
         return 0;
 }
@@ -355,15 +352,18 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
         struct fc_rport         *rport;
         struct mptfc_rport_info *ri;
         int                     new_ri = 1;
-        u64                     pn;
-        unsigned long           flags;
+        u64                     pn, nn;
         VirtTarget              *vtarget;
+        u32                     roles = FC_RPORT_ROLE_UNKNOWN;
 
         if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
                 return;
 
+        roles |= FC_RPORT_ROLE_FCP_TARGET;
+        if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
+                roles |= FC_RPORT_ROLE_FCP_INITIATOR;
+
         /* scan list looking for a match */
-        spin_lock_irqsave(&ioc->fc_rport_lock, flags);
         list_for_each_entry(ri, &ioc->fc_rports, list) {
                 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
                 if (pn == rport_ids.port_name) {        /* match */
@@ -373,11 +373,9 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
                 }
         }
         if (new_ri) {   /* allocate one */
-                spin_unlock_irqrestore(&ioc->fc_rport_lock, flags);
                 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
                 if (!ri)
                         return;
-                spin_lock_irqsave(&ioc->fc_rport_lock, flags);
                 list_add_tail(&ri->list, &ioc->fc_rports);
         }
 
@@ -387,14 +385,11 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
         /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
         if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
                 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
-                spin_unlock_irqrestore(&ioc->fc_rport_lock, flags);
                 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
-                spin_lock_irqsave(&ioc->fc_rport_lock, flags);
                 if (rport) {
                         ri->rport = rport;
                         if (new_ri) /* may have been reset by user */
                                 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
-                        *((struct mptfc_rport_info **)rport->dd_data) = ri;
                         /*
                          * if already mapped, remap here.  If not mapped,
                          * target_alloc will allocate vtarget and map,
@@ -406,16 +401,21 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
                                         vtarget->target_id = pg0->CurrentTargetID;
                                         vtarget->bus_id = pg0->CurrentBus;
                                 }
-                                ri->remap_needed = 0;
                         }
+                        *((struct mptfc_rport_info **)rport->dd_data) = ri;
+                        /* scan will be scheduled once rport becomes a target */
+                        fc_remote_port_rolechg(rport,roles);
+
+                        pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
+                        nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
                         dfcprintk ((MYIOC_s_INFO_FMT
                                 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
                                 "rport tid %d, tmo %d\n",
                                         ioc->name,
                                         ioc->sh->host_no,
                                         pg0->PortIdentifier,
-                                        pg0->WWNN,
-                                        pg0->WWPN,
+                                        (unsigned long long)nn,
+                                        (unsigned long long)pn,
                                         pg0->CurrentTargetID,
                                         ri->rport->scsi_target_id,
                                         ri->rport->dev_loss_tmo));
@@ -425,8 +425,6 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
                         ri = NULL;
                 }
         }
-        spin_unlock_irqrestore(&ioc->fc_rport_lock,flags);
-
 }
 
 /*
@@ -476,7 +474,6 @@ mptfc_target_alloc(struct scsi_target *starget)
                         vtarget->target_id = ri->pg0.CurrentTargetID;
                         vtarget->bus_id = ri->pg0.CurrentBus;
                         ri->starget = starget;
-                        ri->remap_needed = 0;
                         rc = 0;
                 }
         }
@@ -502,10 +499,10 @@ mptfc_slave_alloc(struct scsi_device *sdev)
         VirtDevice              *vdev;
         struct scsi_target      *starget;
         struct fc_rport         *rport;
-        unsigned long           flags;
 
 
-        rport = starget_to_rport(scsi_target(sdev));
+        starget = scsi_target(sdev);
+        rport = starget_to_rport(starget);
 
         if (!rport || fc_remote_port_chkready(rport))
                 return -ENXIO;
@@ -519,10 +516,8 @@ mptfc_slave_alloc(struct scsi_device *sdev)
                 return -ENOMEM;
         }
 
-        spin_lock_irqsave(&hd->ioc->fc_rport_lock,flags);
 
         sdev->hostdata = vdev;
-        starget = scsi_target(sdev);
         vtarget = starget->hostdata;
 
         if (vtarget->num_luns == 0) {
@@ -535,14 +530,16 @@ mptfc_slave_alloc(struct scsi_device *sdev)
         vdev->vtarget = vtarget;
         vdev->lun = sdev->lun;
 
-        spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags);
-
         vtarget->num_luns++;
 
+
 #ifdef DMPT_DEBUG_FC
-         {
+        {
+        u64 nn, pn;
         struct mptfc_rport_info *ri;
         ri = *((struct mptfc_rport_info **)rport->dd_data);
+        pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
+        nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
         dfcprintk ((MYIOC_s_INFO_FMT
                 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
                 "CurrentTargetID %d, %x %llx %llx\n",
@@ -550,7 +547,9 @@ mptfc_slave_alloc(struct scsi_device *sdev)
                 sdev->host->host_no,
                 vtarget->num_luns,
                 sdev->id, ri->pg0.CurrentTargetID,
-                ri->pg0.PortIdentifier, ri->pg0.WWPN, ri->pg0.WWNN));
+                ri->pg0.PortIdentifier,
+                (unsigned long long)pn,
+                (unsigned long long)nn));
         }
 #endif
 
@@ -570,11 +569,31 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
                 done(SCpnt);
                 return 0;
         }
+
+        /* dd_data is null until finished adding target */
         ri = *((struct mptfc_rport_info **)rport->dd_data);
-        if (unlikely(ri->remap_needed))
-                return SCSI_MLQUEUE_HOST_BUSY;
+        if (unlikely(!ri)) {
+                dfcprintk ((MYIOC_s_INFO_FMT
+                        "mptfc_qcmd.%d: %d:%d, dd_data is null.\n",
+                        ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name,
+                        ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no,
+                        SCpnt->device->id,SCpnt->device->lun));
+                SCpnt->result = DID_IMM_RETRY << 16;
+                done(SCpnt);
+                return 0;
+        }
 
-        return mptscsih_qcmd(SCpnt,done);
+        err = mptscsih_qcmd(SCpnt,done);
+#ifdef DMPT_DEBUG_FC
+        if (unlikely(err)) {
+                dfcprintk ((MYIOC_s_INFO_FMT
+                        "mptfc_qcmd.%d: %d:%d, mptscsih_qcmd returns non-zero.\n",
+                        ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name,
+                        ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no,
+                        SCpnt->device->id,SCpnt->device->lun));
+        }
+#endif
+        return err;
 }
 
 static void
@@ -615,18 +634,17 @@ mptfc_rescan_devices(void *arg)
         MPT_ADAPTER             *ioc = (MPT_ADAPTER *)arg;
         int                     ii;
         int                     work_to_do;
+        u64                     pn;
         unsigned long           flags;
         struct mptfc_rport_info *ri;
 
         do {
                 /* start by tagging all ports as missing */
-                spin_lock_irqsave(&ioc->fc_rport_lock,flags);
                 list_for_each_entry(ri, &ioc->fc_rports, list) {
                         if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
                                 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
                         }
                 }
-                spin_unlock_irqrestore(&ioc->fc_rport_lock,flags);
 
                 /*
                  * now rescan devices known to adapter,
@@ -639,33 +657,24 @@ mptfc_rescan_devices(void *arg)
                 }
 
                 /* delete devices still missing */
-                spin_lock_irqsave(&ioc->fc_rport_lock, flags);
                 list_for_each_entry(ri, &ioc->fc_rports, list) {
                         /* if newly missing, delete it */
-                        if ((ri->flags & (MPT_RPORT_INFO_FLAGS_REGISTERED |
-                                          MPT_RPORT_INFO_FLAGS_MISSING))
-                          == (MPT_RPORT_INFO_FLAGS_REGISTERED |
-                              MPT_RPORT_INFO_FLAGS_MISSING)) {
+                        if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
 
                                 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
                                                MPT_RPORT_INFO_FLAGS_MISSING);
-                                ri->remap_needed = 1;
-                                fc_remote_port_delete(ri->rport);
-                                /*
-                                 * remote port not really deleted 'cause
-                                 * binding is by WWPN and driver only
-                                 * registers FCP_TARGETs but cannot trust
-                                 * data structures.
-                                 */
+                                fc_remote_port_delete(ri->rport);       /* won't sleep */
                                 ri->rport = NULL;
+
+                                pn = (u64)ri->pg0.WWPN.High << 32 |
+                                     (u64)ri->pg0.WWPN.Low;
                                 dfcprintk ((MYIOC_s_INFO_FMT
                                         "mptfc_rescan.%d: %llx deleted\n",
                                         ioc->name,
                                         ioc->sh->host_no,
-                                        ri->pg0.WWPN));
+                                        (unsigned long long)pn));
                         }
                 }
-                spin_unlock_irqrestore(&ioc->fc_rport_lock,flags);
 
                 /*
                  * allow multiple passes as target state
@@ -870,10 +879,23 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                 goto out_mptfc_probe;
         }
 
-        for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
-                mptfc_init_host_attr(ioc,ii);
-                mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev);
-        }
+        /* initialize workqueue */
+
+        snprintf(ioc->fc_rescan_work_q_name, KOBJ_NAME_LEN, "mptfc_wq_%d",
+                sh->host_no);
+        ioc->fc_rescan_work_q =
+                create_singlethread_workqueue(ioc->fc_rescan_work_q_name);
+        if (!ioc->fc_rescan_work_q)
+                goto out_mptfc_probe;
+
+        /*
+         * scan for rports -
+         *      by doing it via the workqueue, some locking is eliminated
+         */
+
+        ioc->fc_rescan_work_count = 1;
+        queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
+        flush_workqueue(ioc->fc_rescan_work_q);
 
         return 0;
 
@@ -949,8 +971,18 @@ mptfc_init(void)
 static void __devexit
 mptfc_remove(struct pci_dev *pdev)
 {
-        MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
-        struct mptfc_rport_info *p, *n;
+        MPT_ADAPTER             *ioc = pci_get_drvdata(pdev);
+        struct mptfc_rport_info *p, *n;
+        struct workqueue_struct *work_q;
+        unsigned long           flags;
+
+        /* destroy workqueue */
+        if ((work_q=ioc->fc_rescan_work_q)) {
+                spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+                ioc->fc_rescan_work_q = NULL;
+                spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+                destroy_workqueue(work_q);
+        }
 
         fc_remove_host(ioc->sh);
 
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index e9716b10acea..af6ec553ff7c 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -91,6 +91,7 @@ enum mptsas_hotplug_action {
         MPTSAS_DEL_DEVICE,
         MPTSAS_ADD_RAID,
         MPTSAS_DEL_RAID,
+        MPTSAS_IGNORE_EVENT,
 };
 
 struct mptsas_hotplug_event {
@@ -298,6 +299,26 @@ mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
         return rc;
 }
 
+/*
+ * Returns true if there is a scsi end device
+ */
+static inline int
+mptsas_is_end_device(struct mptsas_devinfo * attached)
+{
+        if ((attached->handle) &&
+            (attached->device_info &
+            MPI_SAS_DEVICE_INFO_END_DEVICE) &&
+            ((attached->device_info &
+            MPI_SAS_DEVICE_INFO_SSP_TARGET) |
+            (attached->device_info &
+            MPI_SAS_DEVICE_INFO_STP_TARGET) |
+            (attached->device_info &
+            MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
+                return 1;
+        else
+                return 0;
+}
+
 static int
 mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
                 u32 form, u32 form_specific)
@@ -872,7 +893,11 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
         SasDevicePage0_t *buffer;
         dma_addr_t dma_handle;
         __le64 sas_address;
-        int error;
+        int error=0;
+
+        if (ioc->sas_discovery_runtime &&
+                mptsas_is_end_device(device_info))
+                        goto out;
 
         hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
         hdr.ExtPageLength = 0;
@@ -1009,7 +1034,11 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
         CONFIGPARMS cfg;
         SasExpanderPage1_t *buffer;
         dma_addr_t dma_handle;
-        int error;
+        int error=0;
+
+        if (ioc->sas_discovery_runtime &&
+                mptsas_is_end_device(&phy_info->attached))
+                        goto out;
 
         hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
         hdr.ExtPageLength = 0;
@@ -1068,26 +1097,6 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
         return error;
 }
 
-/*
- * Returns true if there is a scsi end device
- */
-static inline int
-mptsas_is_end_device(struct mptsas_devinfo * attached)
-{
-        if ((attached->handle) &&
-            (attached->device_info &
-            MPI_SAS_DEVICE_INFO_END_DEVICE) &&
-            ((attached->device_info &
-            MPI_SAS_DEVICE_INFO_SSP_TARGET) |
-            (attached->device_info &
-            MPI_SAS_DEVICE_INFO_STP_TARGET) |
-            (attached->device_info &
-            MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
-                return 1;
-        else
-                return 0;
-}
-
 static void
 mptsas_parse_device_info(struct sas_identify *identify,
                 struct mptsas_devinfo *device_info)
@@ -1737,6 +1746,9 @@ mptsas_hotplug_work(void *arg)
                 break;
         case MPTSAS_ADD_DEVICE:
 
+                if (ev->phys_disk_num_valid)
+                        mpt_findImVolumes(ioc);
+
                 /*
                  * Refresh sas device pg0 data
                  */
@@ -1868,6 +1880,9 @@ mptsas_hotplug_work(void *arg)
                 scsi_device_put(sdev);
                 mpt_findImVolumes(ioc);
                 break;
+        case MPTSAS_IGNORE_EVENT:
+        default:
+                break;
         }
 
         kfree(ev);
@@ -1940,7 +1955,8 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc,
                 EVENT_DATA_RAID *raid_event_data)
 {
         struct mptsas_hotplug_event *ev;
-        RAID_VOL0_STATUS * volumeStatus;
+        int status = le32_to_cpu(raid_event_data->SettingsStatus);
+        int state = (status >> 8) & 0xff;
 
         if (ioc->bus_type != SAS)
                 return;
@@ -1955,6 +1971,7 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc,
         INIT_WORK(&ev->work, mptsas_hotplug_work, ev);
         ev->ioc = ioc;
         ev->id = raid_event_data->VolumeID;
+        ev->event_type = MPTSAS_IGNORE_EVENT;
 
         switch (raid_event_data->ReasonCode) {
         case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
@@ -1966,6 +1983,25 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc,
                 ev->phys_disk_num = raid_event_data->PhysDiskNum;
                 ev->event_type = MPTSAS_DEL_DEVICE;
                 break;
+        case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
+                switch (state) {
+                case MPI_PD_STATE_ONLINE:
+                        ioc->raid_data.isRaid = 1;
+                        ev->phys_disk_num_valid = 1;
+                        ev->phys_disk_num = raid_event_data->PhysDiskNum;
+                        ev->event_type = MPTSAS_ADD_DEVICE;
+                        break;
+                case MPI_PD_STATE_MISSING:
+                case MPI_PD_STATE_NOT_COMPATIBLE:
+                case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
+                case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
+                case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
+                        ev->event_type = MPTSAS_DEL_DEVICE;
+                        break;
+                default:
+                        break;
+                }
+                break;
         case MPI_EVENT_RAID_RC_VOLUME_DELETED:
                 ev->event_type = MPTSAS_DEL_RAID;
                 break;
@@ -1973,11 +2009,18 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc,
                 ev->event_type = MPTSAS_ADD_RAID;
                 break;
         case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
-                volumeStatus = (RAID_VOL0_STATUS *) &
-                    raid_event_data->SettingsStatus;
-                ev->event_type = (volumeStatus->State ==
-                    MPI_RAIDVOL0_STATUS_STATE_FAILED) ?
-                    MPTSAS_DEL_RAID : MPTSAS_ADD_RAID;
+                switch (state) {
+                case MPI_RAIDVOL0_STATUS_STATE_FAILED:
+                case MPI_RAIDVOL0_STATUS_STATE_MISSING:
+                        ev->event_type = MPTSAS_DEL_RAID;
+                        break;
+                case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
+                case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
+                        ev->event_type = MPTSAS_ADD_RAID;
+                        break;
+                default:
+                        break;
+                }
                 break;
         default:
                 break;
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 3729062db317..84fa271eb8f4 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -632,7 +632,11 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 
                 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:       /* 0x0043 */
                         /* Spoof to SCSI Selection Timeout! */
-                        sc->result = DID_NO_CONNECT << 16;
+                        if (ioc->bus_type != FC)
+                                sc->result = DID_NO_CONNECT << 16;
+                        /* else fibre, just stall until rescan event */
+                        else
+                                sc->result = DID_REQUEUE << 16;
 
                         if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
                                 hd->sel_timeout[pScsiReq->TargetID]++;
@@ -877,7 +881,7 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
         struct scsi_cmnd *sc;
 
         dsprintk((KERN_INFO MYNAM ": search_running target %d lun %d max %d\n",
-                        vdevice->target_id, vdevice->lun, max));
+                        vdevice->vtarget->target_id, vdevice->lun, max));
 
         for (ii=0; ii < max; ii++) {
                 if ((sc = hd->ScsiLookup[ii]) != NULL) {
@@ -1645,7 +1649,6 @@ int
 mptscsih_abort(struct scsi_cmnd * SCpnt)
 {
         MPT_SCSI_HOST   *hd;
-        MPT_ADAPTER     *ioc;
         MPT_FRAME_HDR   *mf;
         u32              ctx2abort;
         int              scpnt_idx;
@@ -1663,14 +1666,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
                 return FAILED;
         }
 
-        ioc = hd->ioc;
-        if (hd->resetPending) {
-                return FAILED;
-        }
-
-        if (hd->timeouts < -1)
-                hd->timeouts++;
-
         /* Find this command
          */
         if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(SCpnt)) < 0) {
@@ -1684,6 +1679,13 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
                 return SUCCESS;
         }
 
+        if (hd->resetPending) {
+                return FAILED;
+        }
+
+        if (hd->timeouts < -1)
+                hd->timeouts++;
+
         printk(KERN_WARNING MYNAM ": %s: attempting task abort! (sc=%p)\n",
                hd->ioc->name, SCpnt);
         scsi_print_command(SCpnt);
@@ -1703,7 +1705,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
         vdev = SCpnt->device->hostdata;
         retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
                 vdev->vtarget->bus_id, vdev->vtarget->target_id, vdev->lun,
-                ctx2abort, mptscsih_get_tm_timeout(ioc));
+                ctx2abort, mptscsih_get_tm_timeout(hd->ioc));
 
         printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
                 hd->ioc->name,
@@ -2521,15 +2523,15 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 
                 /* 7. FC: Rescan for blocked rports which might have returned.
                  */
-                else if (ioc->bus_type == FC) {
-                        int work_count;
-                        unsigned long flags;
-
+                if (ioc->bus_type == FC) {
                         spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
-                        work_count = ++ioc->fc_rescan_work_count;
+                        if (ioc->fc_rescan_work_q) {
+                                if (ioc->fc_rescan_work_count++ == 0) {
+                                        queue_work(ioc->fc_rescan_work_q,
+                                                   &ioc->fc_rescan_work);
+                                }
+                        }
                         spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
-                        if (work_count == 1)
-                                schedule_work(&ioc->fc_rescan_work);
                 }
                 dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name));
 
@@ -2544,7 +2546,6 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 {
         MPT_SCSI_HOST *hd;
         u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
-        int work_count;
         unsigned long flags;
 
         devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
@@ -2569,10 +2570,13 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 
         case MPI_EVENT_RESCAN:                          /* 06 */
                 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
-                work_count = ++ioc->fc_rescan_work_count;
+                if (ioc->fc_rescan_work_q) {
+                        if (ioc->fc_rescan_work_count++ == 0) {
+                                queue_work(ioc->fc_rescan_work_q,
+                                           &ioc->fc_rescan_work);
+                        }
+                }
                 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
-                if (work_count == 1)
-                        schedule_work(&ioc->fc_rescan_work);
                 break;
 
                 /*
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 09c745b19cc8..f2a4d382ea19 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -783,6 +783,70 @@ static struct pci_device_id mptspi_pci_table[] = {
 };
 MODULE_DEVICE_TABLE(pci, mptspi_pci_table);
 
+
+/*
+ * renegotiate for a given target
+ */
+static void
+mptspi_dv_renegotiate_work(void *data)
+{
+        struct work_queue_wrapper *wqw = (struct work_queue_wrapper *)data;
+        struct _MPT_SCSI_HOST *hd = wqw->hd;
+        struct scsi_device *sdev;
+
+        kfree(wqw);
+
+        shost_for_each_device(sdev, hd->ioc->sh)
+                mptspi_dv_device(hd, sdev);
+}
+
+static void
+mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd)
+{
+        struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC);
+
+        if (!wqw)
+                return;
+
+        INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work, wqw);
+        wqw->hd = hd;
+
+        schedule_work(&wqw->work);
+}
+
+/*
+ * spi module reset handler
+ */
+static int
+mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
+{
+        struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata;
+        int rc;
+
+        rc = mptscsih_ioc_reset(ioc, reset_phase);
+
+        if (reset_phase == MPT_IOC_POST_RESET)
+                mptspi_dv_renegotiate(hd);
+
+        return rc;
+}
+
+/*
+ * spi module resume handler
+ */
+static int
+mptspi_resume(struct pci_dev *pdev)
+{
+        MPT_ADAPTER     *ioc = pci_get_drvdata(pdev);
+        struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata;
+        int rc;
+
+        rc = mptscsih_resume(pdev);
+        mptspi_dv_renegotiate(hd);
+
+        return rc;
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
@@ -1032,7 +1096,7 @@ static struct pci_driver mptspi_driver = {
         .shutdown       = mptscsih_shutdown,
 #ifdef CONFIG_PM
         .suspend        = mptscsih_suspend,
-        .resume         = mptscsih_resume,
+        .resume         = mptspi_resume,
 #endif
 };
 
@@ -1061,7 +1125,7 @@ mptspi_init(void)
                   ": Registered for IOC event notifications\n"));
         }
 
-        if (mpt_reset_register(mptspiDoneCtx, mptscsih_ioc_reset) == 0) {
+        if (mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset) == 0) {
                 dprintk((KERN_INFO MYNAM
                   ": Registered for IOC reset notifications\n"));
         }
diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c
index 6061c2d101a0..88f0eef9cf33 100644
--- a/drivers/mmc/at91_mci.c
+++ b/drivers/mmc/at91_mci.c
@@ -621,9 +621,6 @@ static void at91_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         struct at91mci_host *host = mmc_priv(mmc);
         unsigned long at91_master_clock = clk_get_rate(mci_clk);
 
-        DBG("Clock %uHz, busmode %u, powermode %u, Vdd %u\n",
-                ios->clock, ios->bus_mode, ios->power_mode, ios->vdd);
-
         if (host)
                 host->bus_mode = ios->bus_mode;
         else
diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c
index c0326bbc5f28..5dc4bee7abeb 100644
--- a/drivers/mmc/au1xmmc.c
+++ b/drivers/mmc/au1xmmc.c
@@ -310,7 +310,7 @@ static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status)
                 }
                 else
                         data->bytes_xfered =
-                                (data->blocks * (1 << data->blksz_bits)) -
+                                (data->blocks * data->blksz) -
                                 host->pio.len;
         }
 
@@ -575,7 +575,7 @@ static int
 au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data)
 {
 
-        int datalen = data->blocks * (1 << data->blksz_bits);
+        int datalen = data->blocks * data->blksz;
 
         if (dma != 0)
                 host->flags |= HOST_F_DMA;
@@ -596,7 +596,7 @@ au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data)
         if (host->dma.len == 0)
                 return MMC_ERR_TIMEOUT;
 
-        au_writel((1 << data->blksz_bits) - 1, HOST_BLKSIZE(host));
+        au_writel(data->blksz - 1, HOST_BLKSIZE(host));
 
         if (host->flags & HOST_F_DMA) {
                 int i;
@@ -720,10 +720,6 @@ static void au1xmmc_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
 {
         struct au1xmmc_host *host = mmc_priv(mmc);
 
-        DBG("set_ios (power=%u, clock=%uHz, vdd=%u, mode=%u)\n",
-              host->id, ios->power_mode, ios->clock, ios->vdd,
-              ios->bus_mode);
-
         if (ios->power_mode == MMC_POWER_OFF)
                 au1xmmc_set_power(host, 0);
         else if (ios->power_mode == MMC_POWER_ON) {
diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c
index ffb7f55d3467..a4eb1d0e7a71 100644
--- a/drivers/mmc/imxmmc.c
+++ b/drivers/mmc/imxmmc.c
@@ -102,6 +102,7 @@ struct imxmci_host {
 #define IMXMCI_PEND_CPU_DATA_b  5
 #define IMXMCI_PEND_CARD_XCHG_b 6
 #define IMXMCI_PEND_SET_INIT_b  7
+#define IMXMCI_PEND_STARTED_b   8
 
 #define IMXMCI_PEND_IRQ_m       (1 << IMXMCI_PEND_IRQ_b)
 #define IMXMCI_PEND_DMA_END_m   (1 << IMXMCI_PEND_DMA_END_b)
@@ -111,6 +112,7 @@ struct imxmci_host {
 #define IMXMCI_PEND_CPU_DATA_m  (1 << IMXMCI_PEND_CPU_DATA_b)
 #define IMXMCI_PEND_CARD_XCHG_m (1 << IMXMCI_PEND_CARD_XCHG_b)
 #define IMXMCI_PEND_SET_INIT_m  (1 << IMXMCI_PEND_SET_INIT_b)
+#define IMXMCI_PEND_STARTED_m   (1 << IMXMCI_PEND_STARTED_b)
 
 static void imxmci_stop_clock(struct imxmci_host *host)
 {
@@ -131,23 +133,52 @@ static void imxmci_stop_clock(struct imxmci_host *host)
         dev_dbg(mmc_dev(host->mmc), "imxmci_stop_clock blocked, no luck\n");
 }
 
-static void imxmci_start_clock(struct imxmci_host *host)
+static int imxmci_start_clock(struct imxmci_host *host)
 {
-        int i = 0;
+        unsigned int trials = 0;
+        unsigned int delay_limit = 128;
+        unsigned long flags;
+
         MMC_STR_STP_CLK &= ~STR_STP_CLK_STOP_CLK;
-        while(i < 0x1000) {
-                if(!(i & 0x7f))
-                        MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
 
-                if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN) {
-                        /* Check twice before cut */
+        clear_bit(IMXMCI_PEND_STARTED_b, &host->pending_events);
+
+        /*
+         * Command start of the clock, this usually succeeds in less
+         * then 6 delay loops, but during card detection (low clockrate)
+         * it takes up to 5000 delay loops and sometimes fails for the first time
+         */
+        MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
+
+        do {
+                unsigned int delay = delay_limit;
+
+                while(delay--){
                         if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)
-                                return;
+                                /* Check twice before cut */
+                                if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)
+                                        return 0;
+
+                        if(test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
+                                return 0;
                 }
 
-                i++;
-        }
-        dev_dbg(mmc_dev(host->mmc), "imxmci_start_clock blocked, no luck\n");
+                local_irq_save(flags);
+                /*
+                 * Ensure, that request is not doubled under all possible circumstances.
+                 * It is possible, that cock running state is missed, because some other
+                 * IRQ or schedule delays this function execution and the clocks has
+                 * been already stopped by other means (response processing, SDHC HW)
+                 */
+                if(!test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
+                        MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
+                local_irq_restore(flags);
+
+        } while(++trials<256);
+
+        dev_err(mmc_dev(host->mmc), "imxmci_start_clock blocked, no luck\n");
+
+        return -1;
 }
 
 static void imxmci_softreset(void)
@@ -187,8 +218,10 @@ static int imxmci_busy_wait_for_status(struct imxmci_host *host,
         if(!loops)
                 return 0;
 
-        dev_info(mmc_dev(host->mmc), "busy wait for %d usec in %s, STATUS = 0x%x (0x%x)\n",
-                loops, where, *pstat, stat_mask);
+        /* The busy-wait is expected there for clock <8MHz due to SDHC hardware flaws */
+        if(!(stat_mask & STATUS_END_CMD_RESP) || (host->mmc->ios.clock>=8000000))
+                dev_info(mmc_dev(host->mmc), "busy wait for %d usec in %s, STATUS = 0x%x (0x%x)\n",
+                        loops, where, *pstat, stat_mask);
         return loops;
 }
 
@@ -302,6 +335,9 @@ static void imxmci_start_cmd(struct imxmci_host *host, struct mmc_command *cmd,
         WARN_ON(host->cmd != NULL);
         host->cmd = cmd;
 
+        /* Ensure, that clock are stopped else command programming and start fails */
+        imxmci_stop_clock(host);
+
         if (cmd->flags & MMC_RSP_BUSY)
                 cmdat |= CMD_DAT_CONT_BUSY;
 
@@ -498,7 +534,7 @@ static int imxmci_data_done(struct imxmci_host *host, unsigned int stat)
 
         data_error = imxmci_finish_data(host, stat);
 
-        if (host->req->stop && (data_error == MMC_ERR_NONE)) {
+        if (host->req->stop) {
                 imxmci_stop_clock(host);
                 imxmci_start_cmd(host, host->req->stop, 0);
         } else {
@@ -522,7 +558,7 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat)
         int trans_done = 0;
         unsigned int stat = *pstat;
 
-        if(host->actual_bus_width == MMC_BUS_WIDTH_4)
+        if(host->actual_bus_width != MMC_BUS_WIDTH_4)
                 burst_len = 16;
         else
                 burst_len = 64;
@@ -560,8 +596,7 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat)
                         stat = MMC_STATUS;
 
                         /* Flush extra bytes from FIFO */
-                        while(flush_len >= 2){
-                                flush_len -= 2;
+                        while(flush_len && !(stat & STATUS_DATA_TRANS_DONE)){
                                 i = MMC_BUFFER_ACCESS;
                                 stat = MMC_STATUS;
                                 stat &= ~STATUS_CRC_READ_ERR; /* Stupid but required there */
@@ -622,6 +657,7 @@ static irqreturn_t imxmci_irq(int irq, void *devid, struct pt_regs *regs)
         atomic_set(&host->stuck_timeout, 0);
         host->status_reg = stat;
         set_bit(IMXMCI_PEND_IRQ_b, &host->pending_events);
+        set_bit(IMXMCI_PEND_STARTED_b, &host->pending_events);
         tasklet_schedule(&host->tasklet);
 
         return IRQ_RETVAL(handled);;
@@ -714,10 +750,6 @@ static void imxmci_tasklet_fnc(unsigned long data)
                         data_dir_mask = STATUS_DATA_TRANS_DONE;
                 }
 
-                imxmci_busy_wait_for_status(host, &stat,
-                                data_dir_mask,
-                                50, "imxmci_tasklet_fnc data");
-
                 if(stat & data_dir_mask) {
                         clear_bit(IMXMCI_PEND_DMA_END_b, &host->pending_events);
                         imxmci_data_done(host, stat);
@@ -775,10 +807,6 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         struct imxmci_host *host = mmc_priv(mmc);
         int prescaler;
 
-        dev_dbg(mmc_dev(host->mmc), "clock %u power %u vdd %u width %u\n",
-                ios->clock, ios->power_mode, ios->vdd,
-                (ios->bus_width==MMC_BUS_WIDTH_4)?4:1);
-
         if( ios->bus_width==MMC_BUS_WIDTH_4 ) {
                 host->actual_bus_width = MMC_BUS_WIDTH_4;
                 imx_gpio_mode(PB11_PF_SD_DAT3);
@@ -837,7 +865,11 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 
                 imxmci_stop_clock(host);
                 MMC_CLK_RATE = (prescaler<<3) | clk;
-                imxmci_start_clock(host);
+                /*
+                 * Under my understanding, clock should not be started there, because it would
+                 * initiate SDHC sequencer and send last or random command into card
+                 */
+                /*imxmci_start_clock(host);*/
 
                 dev_dbg(mmc_dev(host->mmc), "MMC_CLK_RATE: 0x%08x\n", MMC_CLK_RATE);
         } else {
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index da6ddd910fc5..6201f3086a02 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -59,21 +59,23 @@ static const unsigned int tacc_mant[] = {
 
 
 /**
- *      mmc_request_done - finish processing an MMC command
- *      @host: MMC host which completed command
- *      @mrq: MMC request which completed
+ *      mmc_request_done - finish processing an MMC request
+ *      @host: MMC host which completed request
+ *      @mrq: MMC request which request
  *
  *      MMC drivers should call this function when they have completed
- *      their processing of a command.  This should be called before the
- *      data part of the command has completed.
+ *      their processing of a request.
  */
 void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq)
 {
         struct mmc_command *cmd = mrq->cmd;
-        int err = mrq->cmd->error;
-        pr_debug("MMC: req done (%02x): %d: %08x %08x %08x %08x\n",
-                 cmd->opcode, err, cmd->resp[0], cmd->resp[1],
-                 cmd->resp[2], cmd->resp[3]);
+        int err = cmd->error;
+
+        pr_debug("%s: req done (CMD%u): %d/%d/%d: %08x %08x %08x %08x\n",
+                 mmc_hostname(host), cmd->opcode, err,
+                 mrq->data ? mrq->data->error : 0,
+                 mrq->stop ? mrq->stop->error : 0,
+                 cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
 
         if (err && cmd->retries) {
                 cmd->retries--;
@@ -97,8 +99,9 @@ EXPORT_SYMBOL(mmc_request_done);
 void
 mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
 {
-        pr_debug("MMC: starting cmd %02x arg %08x flags %08x\n",
-                 mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags);
+        pr_debug("%s: starting CMD%u arg %08x flags %08x\n",
+                 mmc_hostname(host), mrq->cmd->opcode,
+                 mrq->cmd->arg, mrq->cmd->flags);
 
         WARN_ON(host->card_busy == NULL);
 
@@ -312,6 +315,18 @@ void mmc_release_host(struct mmc_host *host)
 
 EXPORT_SYMBOL(mmc_release_host);
 
+static inline void mmc_set_ios(struct mmc_host *host)
+{
+        struct mmc_ios *ios = &host->ios;
+
+        pr_debug("%s: clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
+                 mmc_hostname(host), ios->clock, ios->bus_mode,
+                 ios->power_mode, ios->chip_select, ios->vdd,
+                 ios->bus_width);
+        
+        host->ops->set_ios(host, ios);
+}
+
 static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
 {
         int err;
@@ -364,7 +379,7 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
                 }
         }
 
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
 
         return MMC_ERR_NONE;
 }
@@ -415,7 +430,7 @@ static u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
                 ocr = 3 << bit;
 
                 host->ios.vdd = bit;
-                host->ops->set_ios(host, &host->ios);
+                mmc_set_ios(host);
         } else {
                 ocr = 0;
         }
@@ -549,6 +564,7 @@ static void mmc_decode_csd(struct mmc_card *card)
                 csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
                 csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
                 csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
+                csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3);
                 csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4);
                 csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
         } else {
@@ -583,6 +599,7 @@ static void mmc_decode_csd(struct mmc_card *card)
                 csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
                 csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
                 csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
+                csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3);
                 csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4);
                 csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
         }
@@ -666,7 +683,7 @@ static void mmc_idle_cards(struct mmc_host *host)
         struct mmc_command cmd;
 
         host->ios.chip_select = MMC_CS_HIGH;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
 
         mmc_delay(1);
 
@@ -679,7 +696,7 @@ static void mmc_idle_cards(struct mmc_host *host)
         mmc_delay(1);
 
         host->ios.chip_select = MMC_CS_DONTCARE;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
 
         mmc_delay(1);
 }
@@ -704,13 +721,13 @@ static void mmc_power_up(struct mmc_host *host)
         host->ios.chip_select = MMC_CS_DONTCARE;
         host->ios.power_mode = MMC_POWER_UP;
         host->ios.bus_width = MMC_BUS_WIDTH_1;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
 
         mmc_delay(1);
 
         host->ios.clock = host->f_min;
         host->ios.power_mode = MMC_POWER_ON;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
 
         mmc_delay(2);
 }
@@ -723,7 +740,7 @@ static void mmc_power_off(struct mmc_host *host)
         host->ios.chip_select = MMC_CS_DONTCARE;
         host->ios.power_mode = MMC_POWER_OFF;
         host->ios.bus_width = MMC_BUS_WIDTH_1;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
 }
 
 static int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
@@ -934,6 +951,7 @@ static void mmc_read_scrs(struct mmc_host *host)
                 data.timeout_ns = card->csd.tacc_ns * 10;
                 data.timeout_clks = card->csd.tacc_clks * 10;
                 data.blksz_bits = 3;
+                data.blksz = 1 << 3;
                 data.blocks = 1;
                 data.flags = MMC_DATA_READ;
                 data.sg = &sg;
@@ -971,7 +989,8 @@ static unsigned int mmc_calculate_clock(struct mmc_host *host)
                 if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr)
                         max_dtr = card->csd.max_dtr;
 
-        pr_debug("MMC: selected %d.%03dMHz transfer rate\n",
+        pr_debug("%s: selected %d.%03dMHz transfer rate\n",
+                 mmc_hostname(host),
                  max_dtr / 1000000, (max_dtr / 1000) % 1000);
 
         return max_dtr;
@@ -1046,7 +1065,7 @@ static void mmc_setup(struct mmc_host *host)
         } else {
                 host->ios.bus_mode = MMC_BUSMODE_OPENDRAIN;
                 host->ios.clock = host->f_min;
-                host->ops->set_ios(host, &host->ios);
+                mmc_set_ios(host);
 
                 /*
                  * We should remember the OCR mask from the existing
@@ -1082,7 +1101,7 @@ static void mmc_setup(struct mmc_host *host)
          * Ok, now switch to push-pull mode.
          */
         host->ios.bus_mode = MMC_BUSMODE_PUSHPULL;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
 
         mmc_read_csds(host);
 
@@ -1128,7 +1147,7 @@ static void mmc_rescan(void *data)
                  * attached cards and the host support.
                  */
                 host->ios.clock = mmc_calculate_clock(host);
-                host->ops->set_ios(host, &host->ios);
+                mmc_set_ios(host);
         }
 
         mmc_release_host(host);
diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index 8eb2a2ede64b..e39cc05c64c2 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -175,6 +175,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                 brq.data.timeout_ns = card->csd.tacc_ns * 10;
                 brq.data.timeout_clks = card->csd.tacc_clks * 10;
                 brq.data.blksz_bits = md->block_bits;
+                brq.data.blksz = 1 << md->block_bits;
                 brq.data.blocks = req->nr_sectors >> (md->block_bits - 9);
                 brq.stop.opcode = MMC_STOP_TRANSMISSION;
                 brq.stop.arg = 0;
@@ -187,6 +188,12 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                         brq.cmd.opcode = MMC_WRITE_BLOCK;
                         brq.data.flags |= MMC_DATA_WRITE;
                         brq.data.blocks = 1;
+
+                        /*
+                         * Scale up the timeout by the r2w factor
+                         */
+                        brq.data.timeout_ns <<= card->csd.r2w_factor;
+                        brq.data.timeout_clks <<= card->csd.r2w_factor;
                 }
 
                 if (brq.data.blocks > 1) {
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index df7e861e2fc7..da8e4d7339cc 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -402,9 +402,6 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         struct mmci_host *host = mmc_priv(mmc);
         u32 clk = 0, pwr = 0;
 
-        DBG(host, "clock %uHz busmode %u powermode %u Vdd %u\n",
-            ios->clock, ios->bus_mode, ios->power_mode, ios->vdd);
-
         if (ios->clock) {
                 if (ios->clock >= host->mclk) {
                         clk = MCI_CLK_BYPASS;
diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index eb42cb349420..b49368fd96b8 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -119,7 +119,7 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
                 nob = 0xffff;
 
         writel(nob, host->base + MMC_NOB);
-        writel(1 << data->blksz_bits, host->base + MMC_BLKLEN);
+        writel(data->blksz, host->base + MMC_BLKLEN);
 
         clks = (unsigned long long)data->timeout_ns * CLOCKRATE;
         do_div(clks, 1000000000UL);
@@ -198,7 +198,6 @@ static void pxamci_start_cmd(struct pxamci_host *host, struct mmc_command *cmd,
 
 static void pxamci_finish_request(struct pxamci_host *host, struct mmc_request *mrq)
 {
-        pr_debug("PXAMCI: request done\n");
         host->mrq = NULL;
         host->cmd = NULL;
         host->data = NULL;
@@ -284,14 +283,14 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat)
          * data blocks as being in error.
          */
         if (data->error == MMC_ERR_NONE)
-                data->bytes_xfered = data->blocks << data->blksz_bits;
+                data->bytes_xfered = data->blocks * data->blksz;
         else
                 data->bytes_xfered = 0;
 
         pxamci_disable_irq(host, DATA_TRAN_DONE);
 
         host->data = NULL;
-        if (host->mrq->stop && data->error == MMC_ERR_NONE) {
+        if (host->mrq->stop) {
                 pxamci_stop_clock(host);
                 pxamci_start_cmd(host, host->mrq->stop, 0);
         } else {
@@ -309,12 +308,10 @@ static irqreturn_t pxamci_irq(int irq, void *devid, struct pt_regs *regs)
 
         ireg = readl(host->base + MMC_I_REG);
 
-        pr_debug("PXAMCI: irq %08x\n", ireg);
-
         if (ireg) {
                 unsigned stat = readl(host->base + MMC_STAT);
 
-                pr_debug("PXAMCI: stat %08x\n", stat);
+                pr_debug("PXAMCI: irq %08x stat %08x\n", ireg, stat);
 
                 if (ireg & END_CMD_RES)
                         handled |= pxamci_cmd_done(host, stat);
@@ -368,10 +365,6 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
         struct pxamci_host *host = mmc_priv(mmc);
 
-        pr_debug("pxamci_set_ios: clock %u power %u vdd %u.%02u\n",
-                 ios->clock, ios->power_mode, ios->vdd / 100,
-                 ios->vdd % 100);
-
         if (ios->clock) {
                 unsigned int clk = CLOCKRATE / ios->clock;
                 if (CLOCKRATE / clk > ios->clock)
@@ -397,7 +390,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                         host->cmdat |= CMDAT_INIT;
         }
 
-        pr_debug("pxamci_set_ios: clkrt = %x cmdat = %x\n",
+        pr_debug("PXAMCI: clkrt = %x cmdat = %x\n",
                  host->clkrt, host->cmdat);
 }
 
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index bdbfca050029..b0053280ff2d 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -570,10 +570,6 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 
         spin_lock_irqsave(&host->lock, flags);
 
-        DBG("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
-             ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
-             ios->vdd, ios->bus_width);
-
         /*
          * Reset the chip on each power off.
          * Should clear out any weird states.
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 511f7b0b31d2..8167332d4013 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -662,14 +662,14 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
         unsigned long dmaflags;
 
         DBGF("blksz %04x blks %04x flags %08x\n",
-                1 << data->blksz_bits, data->blocks, data->flags);
+                data->blksz, data->blocks, data->flags);
         DBGF("tsac %d ms nsac %d clk\n",
                 data->timeout_ns / 1000000, data->timeout_clks);
 
         /*
          * Calculate size.
          */
-        host->size = data->blocks << data->blksz_bits;
+        host->size = data->blocks * data->blksz;
 
         /*
          * Check timeout values for overflow.
@@ -696,12 +696,12 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
          * Two bytes are needed for each data line.
          */
         if (host->bus_width == MMC_BUS_WIDTH_1) {
-                blksize = (1 << data->blksz_bits) + 2;
+                blksize = data->blksz + 2;
 
                 wbsd_write_index(host, WBSD_IDX_PBSMSB, (blksize >> 4) & 0xF0);
                 wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
         } else if (host->bus_width == MMC_BUS_WIDTH_4) {
-                blksize = (1 << data->blksz_bits) + 2 * 4;
+                blksize = data->blksz + 2 * 4;
 
                 wbsd_write_index(host, WBSD_IDX_PBSMSB,
                         ((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH);
@@ -931,10 +931,6 @@ static void wbsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         struct wbsd_host *host = mmc_priv(mmc);
         u8 clk, setup, pwr;
 
-        DBGF("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
-                ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
-                ios->vdd, ios->bus_width);
-
         spin_lock_bh(&host->lock);
 
         /*
diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index d5dfc784bccd..e1fe960d71b3 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -52,6 +52,7 @@
 #include <linux/mii.h>
 #include <linux/skbuff.h>
 #include <linux/delay.h>
+#include <linux/crc32.h>
 #include <asm/mipsregs.h>
 #include <asm/irq.h>
 #include <asm/io.h>
@@ -2038,23 +2039,6 @@ static void au1000_tx_timeout(struct net_device *dev)
         netif_wake_queue(dev);
 }
 
-
-static unsigned const ethernet_polynomial = 0x04c11db7U;
-static inline u32 ether_crc(int length, unsigned char *data)
-{
-    int crc = -1;
-
-    while(--length >= 0) {
-                unsigned char current_octet = *data++;
-                int bit;
-                for (bit = 0; bit < 8; bit++, current_octet >>= 1)
-                        crc = (crc << 1) ^
-                                ((crc < 0) ^ (current_octet & 1) ? 
-                                 ethernet_polynomial : 0);
-    }
-    return crc;
-}
-
 static void set_rx_mode(struct net_device *dev)
 {
         struct au1000_private *aup = (struct au1000_private *) dev->priv;
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 3d306681919e..d8233e0b7899 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -650,9 +650,11 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
 
         /* Hardware bug work-around, the chip is unable to do PCI DMA
            to/from anything above 1GB :-( */
-        if (mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) {
+        if (dma_mapping_error(mapping) ||
+                mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) {
                 /* Sigh... */
-                pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
+                if (!dma_mapping_error(mapping))
+                        pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
                 dev_kfree_skb_any(skb);
                 skb = __dev_alloc_skb(RX_PKT_BUF_SZ,GFP_DMA);
                 if (skb == NULL)
@@ -660,8 +662,10 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
                 mapping = pci_map_single(bp->pdev, skb->data,
                                          RX_PKT_BUF_SZ,
                                          PCI_DMA_FROMDEVICE);
-                if (mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) {
-                        pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
+                if (dma_mapping_error(mapping) ||
+                        mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) {
+                        if (!dma_mapping_error(mapping))
+                                pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
                         dev_kfree_skb_any(skb);
                         return -ENOMEM;
                 }
@@ -967,9 +971,10 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
         }
 
         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
-        if (mapping + len > B44_DMA_MASK) {
+        if (dma_mapping_error(mapping) || mapping + len > B44_DMA_MASK) {
                 /* Chip can't handle DMA to/from >1GB, use bounce buffer */
-                pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE);
+                if (!dma_mapping_error(mapping))
+                        pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE);
 
                 bounce_skb = __dev_alloc_skb(TX_PKT_BUF_SZ,
                                              GFP_ATOMIC|GFP_DMA);
@@ -978,8 +983,9 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
                 mapping = pci_map_single(bp->pdev, bounce_skb->data,
                                          len, PCI_DMA_TODEVICE);
-                if (mapping + len > B44_DMA_MASK) {
-                        pci_unmap_single(bp->pdev, mapping,
+                if (dma_mapping_error(mapping) || mapping + len > B44_DMA_MASK) {
+                        if (!dma_mapping_error(mapping))
+                                pci_unmap_single(bp->pdev, mapping,
                                          len, PCI_DMA_TODEVICE);
                         dev_kfree_skb_any(bounce_skb);
                         goto err_out;
@@ -1203,7 +1209,8 @@ static int b44_alloc_consistent(struct b44 *bp)
                                              DMA_TABLE_BYTES,
                                              DMA_BIDIRECTIONAL);
 
-                if (rx_ring_dma + size > B44_DMA_MASK) {
+                if (dma_mapping_error(rx_ring_dma) ||
+                        rx_ring_dma + size > B44_DMA_MASK) {
                         kfree(rx_ring);
                         goto out_err;
                 }
@@ -1229,7 +1236,8 @@ static int b44_alloc_consistent(struct b44 *bp)
                                              DMA_TABLE_BYTES,
                                              DMA_TO_DEVICE);
 
-                if (tx_ring_dma + size > B44_DMA_MASK) {
+                if (dma_mapping_error(tx_ring_dma) ||
+                        tx_ring_dma + size > B44_DMA_MASK) {
                         kfree(tx_ring);
                         goto out_err;
                 }
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 1f3627470c95..038447fb5c5e 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -53,6 +53,7 @@
 #define DRV_VERSION     "v1.17b"
 #define DRV_RELDATE     "2006/03/10"
 #include "dl2k.h"
+#include <linux/dma-mapping.h>
 
 static char version[] __devinitdata =
       KERN_INFO DRV_NAME " " DRV_VERSION " " DRV_RELDATE "\n";  
@@ -765,7 +766,7 @@ rio_free_tx (struct net_device *dev, int irq)
                         break;
                 skb = np->tx_skbuff[entry];
                 pci_unmap_single (np->pdev,
-                                  np->tx_ring[entry].fraginfo & 0xffffffffffff,
+                                  np->tx_ring[entry].fraginfo & DMA_48BIT_MASK,
                                   skb->len, PCI_DMA_TODEVICE);
                 if (irq)
                         dev_kfree_skb_irq (skb);
@@ -893,7 +894,7 @@ receive_packet (struct net_device *dev)
                         /* Small skbuffs for short packets */
                         if (pkt_len > copy_thresh) {
                                 pci_unmap_single (np->pdev,
-                                                  desc->fraginfo & 0xffffffffffff,
+                                                  desc->fraginfo & DMA_48BIT_MASK,
                                                   np->rx_buf_sz,
                                                   PCI_DMA_FROMDEVICE);
                                 skb_put (skb = np->rx_skbuff[entry], pkt_len);
@@ -901,7 +902,7 @@ receive_packet (struct net_device *dev)
                         } else if ((skb = dev_alloc_skb (pkt_len + 2)) != NULL) {
                                 pci_dma_sync_single_for_cpu(np->pdev,
                                                             desc->fraginfo & 
-                                                                0xffffffffffff,
+                                                                DMA_48BIT_MASK,
                                                             np->rx_buf_sz,
                                                             PCI_DMA_FROMDEVICE);
                                 skb->dev = dev;
@@ -913,7 +914,7 @@ receive_packet (struct net_device *dev)
                                 skb_put (skb, pkt_len);
                                 pci_dma_sync_single_for_device(np->pdev,
                                                                desc->fraginfo &
-                                                                 0xffffffffffff,
+                                                                 DMA_48BIT_MASK,
                                                                np->rx_buf_sz,
                                                                PCI_DMA_FROMDEVICE);
                         }
@@ -1800,7 +1801,7 @@ rio_close (struct net_device *dev)
                 skb = np->rx_skbuff[i];
                 if (skb) {
                         pci_unmap_single(np->pdev, 
-                                         np->rx_ring[i].fraginfo & 0xffffffffffff,
+                                         np->rx_ring[i].fraginfo & DMA_48BIT_MASK,
                                          skb->len, PCI_DMA_FROMDEVICE);
                         dev_kfree_skb (skb);
                         np->rx_skbuff[i] = NULL;
@@ -1810,7 +1811,7 @@ rio_close (struct net_device *dev)
                 skb = np->tx_skbuff[i];
                 if (skb) {
                         pci_unmap_single(np->pdev, 
-                                         np->tx_ring[i].fraginfo & 0xffffffffffff,
+                                         np->tx_ring[i].fraginfo & DMA_48BIT_MASK,
                                          skb->len, PCI_DMA_TODEVICE);
                         dev_kfree_skb (skb);
                         np->tx_skbuff[i] = NULL;
diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c
index 79a8fbcf5f93..0d5fccc984bb 100644
--- a/drivers/net/hamradio/dmascc.c
+++ b/drivers/net/hamradio/dmascc.c
@@ -582,7 +582,6 @@ static int __init setup_adapter(int card_base, int type, int n)
                 INIT_WORK(&priv->rx_work, rx_bh, priv);
                 dev->priv = priv;
                 sprintf(dev->name, "dmascc%i", 2 * n + i);
-                SET_MODULE_OWNER(dev);
                 dev->base_addr = card_base;
                 dev->irq = irq;
                 dev->open = scc_open;
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 6ace0e914fd1..5927784df3f9 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -1550,7 +1550,6 @@ static unsigned char ax25_nocall[AX25_ADDR_LEN] =
 
 static void scc_net_setup(struct net_device *dev)
 {
-        SET_MODULE_OWNER(dev);
         dev->tx_queue_len    = 16;      /* should be enough... */
 
         dev->open            = scc_net_open;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index fe22479eb202..b49884048caa 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -1098,7 +1098,6 @@ static void yam_setup(struct net_device *dev)
 
         dev->base_addr = yp->iobase;
         dev->irq = yp->irq;
-        SET_MODULE_OWNER(dev);
 
         dev->open = yam_open;
         dev->stop = yam_close;
diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile
index 27ab75f20799..c1ce2398efea 100644
--- a/drivers/net/irda/Makefile
+++ b/drivers/net/irda/Makefile
@@ -46,4 +46,4 @@ obj-$(CONFIG_MA600_DONGLE)	+= ma600-sir.o
 obj-$(CONFIG_TOIM3232_DONGLE)   += toim3232-sir.o
 
 # The SIR helper module
-sir-dev-objs := sir_dev.o sir_dongle.o sir_kthread.o
+sir-dev-objs := sir_dev.o sir_dongle.o
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 96bdb73c2283..cd87593e4e8a 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1778,7 +1778,7 @@ static int irda_usb_probe(struct usb_interface *intf,
 
         if (self->needspatch) {
                 ret = usb_control_msg (self->usbdev, usb_sndctrlpipe (self->usbdev, 0),
-                                       0x02, 0x40, 0, 0, 0, 0, msecs_to_jiffies(500));
+                                       0x02, 0x40, 0, 0, NULL, 0, 500);
                 if (ret < 0) {
                         IRDA_DEBUG (0, "usb_control_msg failed %d\n", ret);
                         goto err_out_3;
diff --git a/drivers/net/irda/sir-dev.h b/drivers/net/irda/sir-dev.h
index f69fb4cec76f..9fa294a546d6 100644
--- a/drivers/net/irda/sir-dev.h
+++ b/drivers/net/irda/sir-dev.h
@@ -15,23 +15,14 @@
 #define IRDA_SIR_H
 
 #include <linux/netdevice.h>
+#include <linux/workqueue.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irda_device.h>               // iobuff_t
 
-/* FIXME: unify irda_request with sir_fsm! */
-
-struct irda_request {
-        struct list_head lh_request;
-        unsigned long pending;
-        void (*func)(void *);
-        void *data;
-        struct timer_list timer;
-};
-
 struct sir_fsm {
         struct semaphore        sem;
-        struct irda_request     rq;
+        struct work_struct      work;
         unsigned                state, substate;
         int                     param;
         int                     result;
diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c
index ea7c9464d46a..3b5854d10c17 100644
--- a/drivers/net/irda/sir_dev.c
+++ b/drivers/net/irda/sir_dev.c
@@ -23,6 +23,298 @@
 
 #include "sir-dev.h"
 
+
+static struct workqueue_struct *irda_sir_wq;
+
+/* STATE MACHINE */
+
+/* substate handler of the config-fsm to handle the cases where we want
+ * to wait for transmit completion before changing the port configuration
+ */
+
+static int sirdev_tx_complete_fsm(struct sir_dev *dev)
+{
+        struct sir_fsm *fsm = &dev->fsm;
+        unsigned next_state, delay;
+        unsigned bytes_left;
+
+        do {
+                next_state = fsm->substate;     /* default: stay in current substate */
+                delay = 0;
+
+                switch(fsm->substate) {
+
+                case SIRDEV_STATE_WAIT_XMIT:
+                        if (dev->drv->chars_in_buffer)
+                                bytes_left = dev->drv->chars_in_buffer(dev);
+                        else
+                                bytes_left = 0;
+                        if (!bytes_left) {
+                                next_state = SIRDEV_STATE_WAIT_UNTIL_SENT;
+                                break;
+                        }
+
+                        if (dev->speed > 115200)
+                                delay = (bytes_left*8*10000) / (dev->speed/100);
+                        else if (dev->speed > 0)
+                                delay = (bytes_left*10*10000) / (dev->speed/100);
+                        else
+                                delay = 0;
+                        /* expected delay (usec) until remaining bytes are sent */
+                        if (delay < 100) {
+                                udelay(delay);
+                                delay = 0;
+                                break;
+                        }
+                        /* sleep some longer delay (msec) */
+                        delay = (delay+999) / 1000;
+                        break;
+
+                case SIRDEV_STATE_WAIT_UNTIL_SENT:
+                        /* block until underlaying hardware buffer are empty */
+                        if (dev->drv->wait_until_sent)
+                                dev->drv->wait_until_sent(dev);
+                        next_state = SIRDEV_STATE_TX_DONE;
+                        break;
+
+                case SIRDEV_STATE_TX_DONE:
+                        return 0;
+
+                default:
+                        IRDA_ERROR("%s - undefined state\n", __FUNCTION__);
+                        return -EINVAL;
+                }
+                fsm->substate = next_state;
+        } while (delay == 0);
+        return delay;
+}
+
+/*
+ * Function sirdev_config_fsm
+ *
+ * State machine to handle the configuration of the device (and attached dongle, if any).
+ * This handler is scheduled for execution in kIrDAd context, so we can sleep.
+ * however, kIrDAd is shared by all sir_dev devices so we better don't sleep there too
+ * long. Instead, for longer delays we start a timer to reschedule us later.
+ * On entry, fsm->sem is always locked and the netdev xmit queue stopped.
+ * Both must be unlocked/restarted on completion - but only on final exit.
+ */
+
+static void sirdev_config_fsm(void *data)
+{
+        struct sir_dev *dev = data;
+        struct sir_fsm *fsm = &dev->fsm;
+        int next_state;
+        int ret = -1;
+        unsigned delay;
+
+        IRDA_DEBUG(2, "%s(), <%ld>\n", __FUNCTION__, jiffies);
+
+        do {
+                IRDA_DEBUG(3, "%s - state=0x%04x / substate=0x%04x\n",
+                        __FUNCTION__, fsm->state, fsm->substate);
+
+                next_state = fsm->state;
+                delay = 0;
+
+                switch(fsm->state) {
+
+                case SIRDEV_STATE_DONGLE_OPEN:
+                        if (dev->dongle_drv != NULL) {
+                                ret = sirdev_put_dongle(dev);
+                                if (ret) {
+                                        fsm->result = -EINVAL;
+                                        next_state = SIRDEV_STATE_ERROR;
+                                        break;
+                                }
+                        }
+
+                        /* Initialize dongle */
+                        ret = sirdev_get_dongle(dev, fsm->param);
+                        if (ret) {
+                                fsm->result = ret;
+                                next_state = SIRDEV_STATE_ERROR;
+                                break;
+                        }
+
+                        /* Dongles are powered through the modem control lines which
+                         * were just set during open. Before resetting, let's wait for
+                         * the power to stabilize. This is what some dongle drivers did
+                         * in open before, while others didn't - should be safe anyway.
+                         */
+
+                        delay = 50;
+                        fsm->substate = SIRDEV_STATE_DONGLE_RESET;
+                        next_state = SIRDEV_STATE_DONGLE_RESET;
+
+                        fsm->param = 9600;
+
+                        break;
+
+                case SIRDEV_STATE_DONGLE_CLOSE:
+                        /* shouldn't we just treat this as success=? */
+                        if (dev->dongle_drv == NULL) {
+                                fsm->result = -EINVAL;
+                                next_state = SIRDEV_STATE_ERROR;
+                                break;
+                        }
+
+                        ret = sirdev_put_dongle(dev);
+                        if (ret) {
+                                fsm->result = ret;
+                                next_state = SIRDEV_STATE_ERROR;
+                                break;
+                        }
+                        next_state = SIRDEV_STATE_DONE;
+                        break;
+
+                case SIRDEV_STATE_SET_DTR_RTS:
+                        ret = sirdev_set_dtr_rts(dev,
+                                (fsm->param&0x02) ? TRUE : FALSE,
+                                (fsm->param&0x01) ? TRUE : FALSE);
+                        next_state = SIRDEV_STATE_DONE;
+                        break;
+
+                case SIRDEV_STATE_SET_SPEED:
+                        fsm->substate = SIRDEV_STATE_WAIT_XMIT;
+                        next_state = SIRDEV_STATE_DONGLE_CHECK;
+                        break;
+
+                case SIRDEV_STATE_DONGLE_CHECK:
+                        ret = sirdev_tx_complete_fsm(dev);
+                        if (ret < 0) {
+                                fsm->result = ret;
+                                next_state = SIRDEV_STATE_ERROR;
+                                break;
+                        }
+                        if ((delay=ret) != 0)
+                                break;
+
+                        if (dev->dongle_drv) {
+                                fsm->substate = SIRDEV_STATE_DONGLE_RESET;
+                                next_state = SIRDEV_STATE_DONGLE_RESET;
+                        }
+                        else {
+                                dev->speed = fsm->param;
+                                next_state = SIRDEV_STATE_PORT_SPEED;
+                        }
+                        break;
+
+                case SIRDEV_STATE_DONGLE_RESET:
+                        if (dev->dongle_drv->reset) {
+                                ret = dev->dongle_drv->reset(dev);
+                                if (ret < 0) {
+                                        fsm->result = ret;
+                                        next_state = SIRDEV_STATE_ERROR;
+                                        break;
+                                }
+                        }
+                        else
+                                ret = 0;
+                        if ((delay=ret) == 0) {
+                                /* set serial port according to dongle default speed */
+                                if (dev->drv->set_speed)
+                                        dev->drv->set_speed(dev, dev->speed);
+                                fsm->substate = SIRDEV_STATE_DONGLE_SPEED;
+                                next_state = SIRDEV_STATE_DONGLE_SPEED;
+                        }
+                        break;
+
+                case SIRDEV_STATE_DONGLE_SPEED:
+                        if (dev->dongle_drv->reset) {
+                                ret = dev->dongle_drv->set_speed(dev, fsm->param);
+                                if (ret < 0) {
+                                        fsm->result = ret;
+                                        next_state = SIRDEV_STATE_ERROR;
+                                        break;
+                                }
+                        }
+                        else
+                                ret = 0;
+                        if ((delay=ret) == 0)
+                                next_state = SIRDEV_STATE_PORT_SPEED;
+                        break;
+
+                case SIRDEV_STATE_PORT_SPEED:
+                        /* Finally we are ready to change the serial port speed */
+                        if (dev->drv->set_speed)
+                                dev->drv->set_speed(dev, dev->speed);
+                        dev->new_speed = 0;
+                        next_state = SIRDEV_STATE_DONE;
+                        break;
+
+                case SIRDEV_STATE_DONE:
+                        /* Signal network layer so it can send more frames */
+                        netif_wake_queue(dev->netdev);
+                        next_state = SIRDEV_STATE_COMPLETE;
+                        break;
+
+                default:
+                        IRDA_ERROR("%s - undefined state\n", __FUNCTION__);
+                        fsm->result = -EINVAL;
+                        /* fall thru */
+
+                case SIRDEV_STATE_ERROR:
+                        IRDA_ERROR("%s - error: %d\n", __FUNCTION__, fsm->result);
+
+#if 0   /* don't enable this before we have netdev->tx_timeout to recover */
+                        netif_stop_queue(dev->netdev);
+#else
+                        netif_wake_queue(dev->netdev);
+#endif
+                        /* fall thru */
+
+                case SIRDEV_STATE_COMPLETE:
+                        /* config change finished, so we are not busy any longer */
+                        sirdev_enable_rx(dev);
+                        up(&fsm->sem);
+                        return;
+                }
+                fsm->state = next_state;
+        } while(!delay);
+
+        queue_delayed_work(irda_sir_wq, &fsm->work, msecs_to_jiffies(delay));
+}
+
+/* schedule some device configuration task for execution by kIrDAd
+ * on behalf of the above state machine.
+ * can be called from process or interrupt/tasklet context.
+ */
+
+int sirdev_schedule_request(struct sir_dev *dev, int initial_state, unsigned param)
+{
+        struct sir_fsm *fsm = &dev->fsm;
+
+        IRDA_DEBUG(2, "%s - state=0x%04x / param=%u\n", __FUNCTION__, initial_state, param);
+
+        if (down_trylock(&fsm->sem)) {
+                if (in_interrupt()  ||  in_atomic()  ||  irqs_disabled()) {
+                        IRDA_DEBUG(1, "%s(), state machine busy!\n", __FUNCTION__);
+                        return -EWOULDBLOCK;
+                } else
+                        down(&fsm->sem);
+        }
+
+        if (fsm->state == SIRDEV_STATE_DEAD) {
+                /* race with sirdev_close should never happen */
+                IRDA_ERROR("%s(), instance staled!\n", __FUNCTION__);
+                up(&fsm->sem);
+                return -ESTALE;         /* or better EPIPE? */
+        }
+
+        netif_stop_queue(dev->netdev);
+        atomic_set(&dev->enable_rx, 0);
+
+        fsm->state = initial_state;
+        fsm->param = param;
+        fsm->result = 0;
+
+        INIT_WORK(&fsm->work, sirdev_config_fsm, dev);
+        queue_work(irda_sir_wq, &fsm->work);
+        return 0;
+}
+
+
 /***************************************************************************/
 
 void sirdev_enable_rx(struct sir_dev *dev)
@@ -619,10 +911,6 @@ struct sir_dev * sirdev_get_instance(const struct sir_driver *drv, const char *n
         spin_lock_init(&dev->tx_lock);
         init_MUTEX(&dev->fsm.sem);
 
-        INIT_LIST_HEAD(&dev->fsm.rq.lh_request);
-        dev->fsm.rq.pending = 0;
-        init_timer(&dev->fsm.rq.timer);
-
         dev->drv = drv;
         dev->netdev = ndev;
 
@@ -682,3 +970,22 @@ int sirdev_put_instance(struct sir_dev *dev)
 }
 EXPORT_SYMBOL(sirdev_put_instance);
 
+static int __init sir_wq_init(void)
+{
+        irda_sir_wq = create_singlethread_workqueue("irda_sir_wq");
+        if (!irda_sir_wq)
+                return -ENOMEM;
+        return 0;
+}
+
+static void __exit sir_wq_exit(void)
+{
+        destroy_workqueue(irda_sir_wq);
+}
+
+module_init(sir_wq_init);
+module_exit(sir_wq_exit);
+
+MODULE_AUTHOR("Martin Diehl <info@mdiehl.de>");
+MODULE_DESCRIPTION("IrDA SIR core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/irda/sir_kthread.c b/drivers/net/irda/sir_kthread.c
deleted file mode 100644
index e3904d6bfecd..000000000000
--- a/drivers/net/irda/sir_kthread.c
+++ /dev/null
@@ -1,508 +0,0 @@
-/*********************************************************************
- *
- *      sir_kthread.c:          dedicated thread to process scheduled
- *                              sir device setup requests
- *
- *      Copyright (c) 2002 Martin Diehl
- *
- *      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.
- *
- ********************************************************************/    
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/version.h>
-#include <linux/init.h>
-#include <linux/smp_lock.h>
-#include <linux/completion.h>
-#include <linux/delay.h>
-
-#include <net/irda/irda.h>
-
-#include "sir-dev.h"
-
-/**************************************************************************
- *
- * kIrDAd kernel thread and config state machine
- *
- */
-
-struct irda_request_queue {
-        struct list_head request_list;
-        spinlock_t lock;
-        task_t *thread;
-        struct completion exit;
-        wait_queue_head_t kick, done;
-        atomic_t num_pending;
-};
-
-static struct irda_request_queue irda_rq_queue;
-
-static int irda_queue_request(struct irda_request *rq)
-{
-        int ret = 0;
-        unsigned long flags;
-
-        if (!test_and_set_bit(0, &rq->pending)) {
-                spin_lock_irqsave(&irda_rq_queue.lock, flags);
-                list_add_tail(&rq->lh_request, &irda_rq_queue.request_list);
-                wake_up(&irda_rq_queue.kick);
-                atomic_inc(&irda_rq_queue.num_pending);
-                spin_unlock_irqrestore(&irda_rq_queue.lock, flags);
-                ret = 1;
-        }
-        return ret;
-}
-
-static void irda_request_timer(unsigned long data)
-{
-        struct irda_request *rq = (struct irda_request *)data;
-        unsigned long flags;
-        
-        spin_lock_irqsave(&irda_rq_queue.lock, flags);
-        list_add_tail(&rq->lh_request, &irda_rq_queue.request_list);
-        wake_up(&irda_rq_queue.kick);
-        spin_unlock_irqrestore(&irda_rq_queue.lock, flags);
-}
-
-static int irda_queue_delayed_request(struct irda_request *rq, unsigned long delay)
-{
-        int ret = 0;
-        struct timer_list *timer = &rq->timer;
-
-        if (!test_and_set_bit(0, &rq->pending)) {
-                timer->expires = jiffies + delay;
-                timer->function = irda_request_timer;
-                timer->data = (unsigned long)rq;
-                atomic_inc(&irda_rq_queue.num_pending);
-                add_timer(timer);
-                ret = 1;
-        }
-        return ret;
-}
-
-static void run_irda_queue(void)
-{
-        unsigned long flags;
-        struct list_head *entry, *tmp;
-        struct irda_request *rq;
-
-        spin_lock_irqsave(&irda_rq_queue.lock, flags);
-        list_for_each_safe(entry, tmp, &irda_rq_queue.request_list) {
-                rq = list_entry(entry, struct irda_request, lh_request);
-                list_del_init(entry);
-                spin_unlock_irqrestore(&irda_rq_queue.lock, flags);
-
-                clear_bit(0, &rq->pending);
-                rq->func(rq->data);
-
-                if (atomic_dec_and_test(&irda_rq_queue.num_pending))
-                        wake_up(&irda_rq_queue.done);
-
-                spin_lock_irqsave(&irda_rq_queue.lock, flags);
-        }
-        spin_unlock_irqrestore(&irda_rq_queue.lock, flags);
-}               
-
-static int irda_thread(void *startup)
-{
-        DECLARE_WAITQUEUE(wait, current);
-
-        daemonize("kIrDAd");
-
-        irda_rq_queue.thread = current;
-
-        complete((struct completion *)startup);
-
-        while (irda_rq_queue.thread != NULL) {
-
-                /* We use TASK_INTERRUPTIBLE, rather than
-                 * TASK_UNINTERRUPTIBLE.  Andrew Morton made this
-                 * change ; he told me that it is safe, because "signal
-                 * blocking is now handled in daemonize()", he added
-                 * that the problem is that "uninterruptible sleep
-                 * contributes to load average", making user worry.
-                 * Jean II */
-                set_task_state(current, TASK_INTERRUPTIBLE);
-                add_wait_queue(&irda_rq_queue.kick, &wait);
-                if (list_empty(&irda_rq_queue.request_list))
-                        schedule();
-                else
-                        __set_task_state(current, TASK_RUNNING);
-                remove_wait_queue(&irda_rq_queue.kick, &wait);
-
-                /* make swsusp happy with our thread */
-                try_to_freeze();
-
-                run_irda_queue();
-        }
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,35)
-        reparent_to_init();
-#endif
-        complete_and_exit(&irda_rq_queue.exit, 0);
-        /* never reached */
-        return 0;
-}
-
-
-static void flush_irda_queue(void)
-{
-        if (atomic_read(&irda_rq_queue.num_pending)) {
-
-                DECLARE_WAITQUEUE(wait, current);
-
-                if (!list_empty(&irda_rq_queue.request_list))
-                        run_irda_queue();
-
-                set_task_state(current, TASK_UNINTERRUPTIBLE);
-                add_wait_queue(&irda_rq_queue.done, &wait);
-                if (atomic_read(&irda_rq_queue.num_pending))
-                        schedule();
-                else
-                        __set_task_state(current, TASK_RUNNING);
-                remove_wait_queue(&irda_rq_queue.done, &wait);
-        }
-}
-
-/* substate handler of the config-fsm to handle the cases where we want
- * to wait for transmit completion before changing the port configuration
- */
-
-static int irda_tx_complete_fsm(struct sir_dev *dev)
-{
-        struct sir_fsm *fsm = &dev->fsm;
-        unsigned next_state, delay;
-        unsigned bytes_left;
-
-        do {
-                next_state = fsm->substate;     /* default: stay in current substate */
-                delay = 0;
-
-                switch(fsm->substate) {
-
-                case SIRDEV_STATE_WAIT_XMIT:
-                        if (dev->drv->chars_in_buffer)
-                                bytes_left = dev->drv->chars_in_buffer(dev);
-                        else
-                                bytes_left = 0;
-                        if (!bytes_left) {
-                                next_state = SIRDEV_STATE_WAIT_UNTIL_SENT;
-                                break;
-                        }
-
-                        if (dev->speed > 115200)
-                                delay = (bytes_left*8*10000) / (dev->speed/100);
-                        else if (dev->speed > 0)
-                                delay = (bytes_left*10*10000) / (dev->speed/100);
-                        else
-                                delay = 0;
-                        /* expected delay (usec) until remaining bytes are sent */
-                        if (delay < 100) {
-                                udelay(delay);
-                                delay = 0;
-                                break;
-                        }
-                        /* sleep some longer delay (msec) */
-                        delay = (delay+999) / 1000;
-                        break;
-
-                case SIRDEV_STATE_WAIT_UNTIL_SENT:
-                        /* block until underlaying hardware buffer are empty */
-                        if (dev->drv->wait_until_sent)
-                                dev->drv->wait_until_sent(dev);
-                        next_state = SIRDEV_STATE_TX_DONE;
-                        break;
-
-                case SIRDEV_STATE_TX_DONE:
-                        return 0;
-
-                default:
-                        IRDA_ERROR("%s - undefined state\n", __FUNCTION__);
-                        return -EINVAL;
-                }
-                fsm->substate = next_state;
-        } while (delay == 0);
-        return delay;
-}
-
-/*
- * Function irda_config_fsm
- *
- * State machine to handle the configuration of the device (and attached dongle, if any).
- * This handler is scheduled for execution in kIrDAd context, so we can sleep.
- * however, kIrDAd is shared by all sir_dev devices so we better don't sleep there too
- * long. Instead, for longer delays we start a timer to reschedule us later.
- * On entry, fsm->sem is always locked and the netdev xmit queue stopped.
- * Both must be unlocked/restarted on completion - but only on final exit.
- */
-
-static void irda_config_fsm(void *data)
-{
-        struct sir_dev *dev = data;
-        struct sir_fsm *fsm = &dev->fsm;
-        int next_state;
-        int ret = -1;
-        unsigned delay;
-
-        IRDA_DEBUG(2, "%s(), <%ld>\n", __FUNCTION__, jiffies); 
-
-        do {
-                IRDA_DEBUG(3, "%s - state=0x%04x / substate=0x%04x\n",
-                        __FUNCTION__, fsm->state, fsm->substate);
-
-                next_state = fsm->state;
-                delay = 0;
-
-                switch(fsm->state) {
-
-                case SIRDEV_STATE_DONGLE_OPEN:
-                        if (dev->dongle_drv != NULL) {
-                                ret = sirdev_put_dongle(dev);
-                                if (ret) {
-                                        fsm->result = -EINVAL;
-                                        next_state = SIRDEV_STATE_ERROR;
-                                        break;
-                                }
-                        }
-
-                        /* Initialize dongle */
-                        ret = sirdev_get_dongle(dev, fsm->param);
-                        if (ret) {
-                                fsm->result = ret;
-                                next_state = SIRDEV_STATE_ERROR;
-                                break;
-                        }
-
-                        /* Dongles are powered through the modem control lines which
-                         * were just set during open. Before resetting, let's wait for
-                         * the power to stabilize. This is what some dongle drivers did
-                         * in open before, while others didn't - should be safe anyway.
-                         */
-
-                        delay = 50;
-                        fsm->substate = SIRDEV_STATE_DONGLE_RESET;
-                        next_state = SIRDEV_STATE_DONGLE_RESET;
-
-                        fsm->param = 9600;
-
-                        break;
-
-                case SIRDEV_STATE_DONGLE_CLOSE:
-                        /* shouldn't we just treat this as success=? */
-                        if (dev->dongle_drv == NULL) {
-                                fsm->result = -EINVAL;
-                                next_state = SIRDEV_STATE_ERROR;
-                                break;
-                        }
-
-                        ret = sirdev_put_dongle(dev);
-                        if (ret) {
-                                fsm->result = ret;
-                                next_state = SIRDEV_STATE_ERROR;
-                                break;
-                        }
-                        next_state = SIRDEV_STATE_DONE;
-                        break;
-
-                case SIRDEV_STATE_SET_DTR_RTS:
-                        ret = sirdev_set_dtr_rts(dev,
-                                (fsm->param&0x02) ? TRUE : FALSE,
-                                (fsm->param&0x01) ? TRUE : FALSE);
-                        next_state = SIRDEV_STATE_DONE;
-                        break;
-
-                case SIRDEV_STATE_SET_SPEED:
-                        fsm->substate = SIRDEV_STATE_WAIT_XMIT;
-                        next_state = SIRDEV_STATE_DONGLE_CHECK;
-                        break;
-
-                case SIRDEV_STATE_DONGLE_CHECK:
-                        ret = irda_tx_complete_fsm(dev);
-                        if (ret < 0) {
-                                fsm->result = ret;
-                                next_state = SIRDEV_STATE_ERROR;
-                                break;
-                        }
-                        if ((delay=ret) != 0)
-                                break;
-
-                        if (dev->dongle_drv) {
-                                fsm->substate = SIRDEV_STATE_DONGLE_RESET;
-                                next_state = SIRDEV_STATE_DONGLE_RESET;
-                        }
-                        else {
-                                dev->speed = fsm->param;
-                                next_state = SIRDEV_STATE_PORT_SPEED;
-                        }
-                        break;
-
-                case SIRDEV_STATE_DONGLE_RESET:
-                        if (dev->dongle_drv->reset) {
-                                ret = dev->dongle_drv->reset(dev);      
-                                if (ret < 0) {
-                                        fsm->result = ret;
-                                        next_state = SIRDEV_STATE_ERROR;
-                                        break;
-                                }
-                        }
-                        else
-                                ret = 0;
-                        if ((delay=ret) == 0) {
-                                /* set serial port according to dongle default speed */
-                                if (dev->drv->set_speed)
-                                        dev->drv->set_speed(dev, dev->speed);
-                                fsm->substate = SIRDEV_STATE_DONGLE_SPEED;
-                                next_state = SIRDEV_STATE_DONGLE_SPEED;
-                        }
-                        break;
-
-                case SIRDEV_STATE_DONGLE_SPEED:                         
-                        if (dev->dongle_drv->reset) {
-                                ret = dev->dongle_drv->set_speed(dev, fsm->param);
-                                if (ret < 0) {
-                                        fsm->result = ret;
-                                        next_state = SIRDEV_STATE_ERROR;
-                                        break;
-                                }
-                        }
-                        else
-                                ret = 0;
-                        if ((delay=ret) == 0)
-                                next_state = SIRDEV_STATE_PORT_SPEED;
-                        break;
-
-                case SIRDEV_STATE_PORT_SPEED:
-                        /* Finally we are ready to change the serial port speed */
-                        if (dev->drv->set_speed)
-                                dev->drv->set_speed(dev, dev->speed);
-                        dev->new_speed = 0;
-                        next_state = SIRDEV_STATE_DONE;
-                        break;
-
-                case SIRDEV_STATE_DONE:
-                        /* Signal network layer so it can send more frames */
-                        netif_wake_queue(dev->netdev);
-                        next_state = SIRDEV_STATE_COMPLETE;
-                        break;
-
-                default:
-                        IRDA_ERROR("%s - undefined state\n", __FUNCTION__);
-                        fsm->result = -EINVAL;
-                        /* fall thru */
-
-                case SIRDEV_STATE_ERROR:
-                        IRDA_ERROR("%s - error: %d\n", __FUNCTION__, fsm->result);
-
-#if 0   /* don't enable this before we have netdev->tx_timeout to recover */
-                        netif_stop_queue(dev->netdev);
-#else
-                        netif_wake_queue(dev->netdev);
-#endif
-                        /* fall thru */
-
-                case SIRDEV_STATE_COMPLETE:
-                        /* config change finished, so we are not busy any longer */
-                        sirdev_enable_rx(dev);
-                        up(&fsm->sem);
-                        return;
-                }
-                fsm->state = next_state;
-        } while(!delay);
-
-        irda_queue_delayed_request(&fsm->rq, msecs_to_jiffies(delay));
-}
-
-/* schedule some device configuration task for execution by kIrDAd
- * on behalf of the above state machine.
- * can be called from process or interrupt/tasklet context.
- */
-
-int sirdev_schedule_request(struct sir_dev *dev, int initial_state, unsigned param)
-{
-        struct sir_fsm *fsm = &dev->fsm;
-        int xmit_was_down;
-
-        IRDA_DEBUG(2, "%s - state=0x%04x / param=%u\n", __FUNCTION__, initial_state, param);
-
-        if (down_trylock(&fsm->sem)) {
-                if (in_interrupt()  ||  in_atomic()  ||  irqs_disabled()) {
-                        IRDA_DEBUG(1, "%s(), state machine busy!\n", __FUNCTION__);
-                        return -EWOULDBLOCK;
-                } else
-                        down(&fsm->sem);
-        }
-
-        if (fsm->state == SIRDEV_STATE_DEAD) {
-                /* race with sirdev_close should never happen */
-                IRDA_ERROR("%s(), instance staled!\n", __FUNCTION__);
-                up(&fsm->sem);
-                return -ESTALE;         /* or better EPIPE? */
-        }
-
-        xmit_was_down = netif_queue_stopped(dev->netdev);
-        netif_stop_queue(dev->netdev);
-        atomic_set(&dev->enable_rx, 0);
-
-        fsm->state = initial_state;
-        fsm->param = param;
-        fsm->result = 0;
-
-        INIT_LIST_HEAD(&fsm->rq.lh_request);
-        fsm->rq.pending = 0;
-        fsm->rq.func = irda_config_fsm;
-        fsm->rq.data = dev;
-
-        if (!irda_queue_request(&fsm->rq)) {    /* returns 0 on error! */
-                atomic_set(&dev->enable_rx, 1);
-                if (!xmit_was_down)
-                        netif_wake_queue(dev->netdev);          
-                up(&fsm->sem);
-                return -EAGAIN;
-        }
-        return 0;
-}
-
-static int __init irda_thread_create(void)
-{
-        struct completion startup;
-        int pid;
-
-        spin_lock_init(&irda_rq_queue.lock);
-        irda_rq_queue.thread = NULL;
-        INIT_LIST_HEAD(&irda_rq_queue.request_list);
-        init_waitqueue_head(&irda_rq_queue.kick);
-        init_waitqueue_head(&irda_rq_queue.done);
-        atomic_set(&irda_rq_queue.num_pending, 0);
-
-        init_completion(&startup);
-        pid = kernel_thread(irda_thread, &startup, CLONE_FS|CLONE_FILES);
-        if (pid <= 0)
-                return -EAGAIN;
-        else
-                wait_for_completion(&startup);
-
-        return 0;
-}
-
-static void __exit irda_thread_join(void)
-{
-        if (irda_rq_queue.thread) {
-                flush_irda_queue();
-                init_completion(&irda_rq_queue.exit);
-                irda_rq_queue.thread = NULL;
-                wake_up(&irda_rq_queue.kick);           
-                wait_for_completion(&irda_rq_queue.exit);
-        }
-}
-
-module_init(irda_thread_create);
-module_exit(irda_thread_join);
-
-MODULE_AUTHOR("Martin Diehl <info@mdiehl.de>");
-MODULE_DESCRIPTION("IrDA SIR core");
-MODULE_LICENSE("GPL");
-
diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c
index 58f76cefbc83..a4674044bd6f 100644
--- a/drivers/net/irda/smsc-ircc2.c
+++ b/drivers/net/irda/smsc-ircc2.c
@@ -54,6 +54,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/serial_reg.h>
 #include <linux/dma-mapping.h>
+#include <linux/pnp.h>
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
@@ -358,6 +359,16 @@ static inline void register_bank(int iobase, int bank)
                iobase + IRCC_MASTER);
 }
 
+#ifdef  CONFIG_PNP
+/* PNP hotplug support */
+static const struct pnp_device_id smsc_ircc_pnp_table[] = {
+        { .id = "SMCf010", .driver_data = 0 },
+        /* and presumably others */
+        { }
+};
+MODULE_DEVICE_TABLE(pnp, smsc_ircc_pnp_table);
+#endif
+
 
 /*******************************************************************************
  *
@@ -2072,7 +2083,8 @@ static void smsc_ircc_sir_wait_hw_transmitter_finish(struct smsc_ircc_cb *self)
 
 /* PROBING
  *
- *
+ * REVISIT we can be told about the device by PNP, and should use that info
+ * instead of probing hardware and creating a platform_device ...
  */
 
 static int __init smsc_ircc_look_for_chips(void)
diff --git a/drivers/net/ixp2000/enp2611.c b/drivers/net/ixp2000/enp2611.c
index 6f7dce8eba51..b67f586d7392 100644
--- a/drivers/net/ixp2000/enp2611.c
+++ b/drivers/net/ixp2000/enp2611.c
@@ -149,6 +149,8 @@ static void enp2611_check_link_status(unsigned long __dummy)
                 int status;
 
                 dev = nds[i];
+                if (dev == NULL)
+                        continue;
 
                 status = pm3386_is_link_up(i);
                 if (status && !netif_carrier_ok(dev)) {
@@ -191,6 +193,7 @@ static void enp2611_set_port_admin_status(int port, int up)
 
 static int __init enp2611_init_module(void)
 { 
+        int ports;
         int i;
 
         if (!machine_is_enp2611())
@@ -199,7 +202,8 @@ static int __init enp2611_init_module(void)
         caleb_reset();
         pm3386_reset();
 
-        for (i = 0; i < 3; i++) {
+        ports = pm3386_port_count();
+        for (i = 0; i < ports; i++) {
                 nds[i] = ixpdev_alloc(i, sizeof(struct enp2611_ixpdev_priv));
                 if (nds[i] == NULL) {
                         while (--i >= 0)
@@ -215,9 +219,10 @@ static int __init enp2611_init_module(void)
 
         ixp2400_msf_init(&enp2611_msf_parameters);
 
-        if (ixpdev_init(3, nds, enp2611_set_port_admin_status)) {
-                for (i = 0; i < 3; i++)
-                        free_netdev(nds[i]);
+        if (ixpdev_init(ports, nds, enp2611_set_port_admin_status)) {
+                for (i = 0; i < ports; i++)
+                        if (nds[i])
+                                free_netdev(nds[i]);
                 return -EINVAL;
         }
 
diff --git a/drivers/net/ixp2000/pm3386.c b/drivers/net/ixp2000/pm3386.c
index 5c7ab7564053..5224651c9aac 100644
--- a/drivers/net/ixp2000/pm3386.c
+++ b/drivers/net/ixp2000/pm3386.c
@@ -86,40 +86,53 @@ static void pm3386_port_reg_write(int port, int _reg, int spacing, u16 value)
         pm3386_reg_write(port >> 1, reg, value);
 }
 
+int pm3386_secondary_present(void)
+{
+        return pm3386_reg_read(1, 0) == 0x3386;
+}
 
 void pm3386_reset(void)
 {
         u8 mac[3][6];
+        int secondary;
+
+        secondary = pm3386_secondary_present();
 
         /* Save programmed MAC addresses.  */
         pm3386_get_mac(0, mac[0]);
         pm3386_get_mac(1, mac[1]);
-        pm3386_get_mac(2, mac[2]);
+        if (secondary)
+                pm3386_get_mac(2, mac[2]);
 
         /* Assert analog and digital reset.  */
         pm3386_reg_write(0, 0x002, 0x0060);
-        pm3386_reg_write(1, 0x002, 0x0060);
+        if (secondary)
+                pm3386_reg_write(1, 0x002, 0x0060);
         mdelay(1);
 
         /* Deassert analog reset.  */
         pm3386_reg_write(0, 0x002, 0x0062);
-        pm3386_reg_write(1, 0x002, 0x0062);
+        if (secondary)
+                pm3386_reg_write(1, 0x002, 0x0062);
         mdelay(10);
 
         /* Deassert digital reset.  */
         pm3386_reg_write(0, 0x002, 0x0063);
-        pm3386_reg_write(1, 0x002, 0x0063);
+        if (secondary)
+                pm3386_reg_write(1, 0x002, 0x0063);
         mdelay(10);
 
         /* Restore programmed MAC addresses.  */
         pm3386_set_mac(0, mac[0]);
         pm3386_set_mac(1, mac[1]);
-        pm3386_set_mac(2, mac[2]);
+        if (secondary)
+                pm3386_set_mac(2, mac[2]);
 
         /* Disable carrier on all ports.  */
         pm3386_set_carrier(0, 0);
         pm3386_set_carrier(1, 0);
-        pm3386_set_carrier(2, 0);
+        if (secondary)
+                pm3386_set_carrier(2, 0);
 }
 
 static u16 swaph(u16 x)
@@ -127,6 +140,11 @@ static u16 swaph(u16 x)
         return ((x << 8) | (x >> 8)) & 0xffff;
 }
 
+int pm3386_port_count(void)
+{
+        return 2 + pm3386_secondary_present();
+}
+
 void pm3386_init_port(int port)
 {
         int pm = port >> 1;
diff --git a/drivers/net/ixp2000/pm3386.h b/drivers/net/ixp2000/pm3386.h
index fe92bb056ac4..cc4183dca911 100644
--- a/drivers/net/ixp2000/pm3386.h
+++ b/drivers/net/ixp2000/pm3386.h
@@ -13,6 +13,7 @@
 #define __PM3386_H
 
 void pm3386_reset(void);
+int pm3386_port_count(void);
 void pm3386_init_port(int port);
 void pm3386_get_mac(int port, u8 *mac);
 void pm3386_set_mac(int port, u8 *mac);
diff --git a/drivers/net/ne.c b/drivers/net/ne.c
index 93c494bcd18d..b32765215f75 100644
--- a/drivers/net/ne.c
+++ b/drivers/net/ne.c
@@ -139,8 +139,9 @@ bad_clone_list[] __initdata = {
 
 #if defined(CONFIG_PLAT_MAPPI)
 #  define DCR_VAL 0x4b
-#elif defined(CONFIG_PLAT_OAKS32R)
-#  define DCR_VAL 0x48
+#elif defined(CONFIG_PLAT_OAKS32R)  || \
+   defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
+#  define DCR_VAL 0x48          /* 8-bit mode */
 #else
 #  define DCR_VAL 0x49
 #endif
@@ -396,10 +397,22 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr)
                 /* We must set the 8390 for word mode. */
                 outb_p(DCR_VAL, ioaddr + EN0_DCFG);
                 start_page = NESM_START_PG;
-                stop_page = NESM_STOP_PG;
+
+                /*
+                 * Realtek RTL8019AS datasheet says that the PSTOP register
+                 * shouldn't exceed 0x60 in 8-bit mode.
+                 * This chip can be identified by reading the signature from
+                 * the  remote byte count registers (otherwise write-only)...
+                 */
+                if ((DCR_VAL & 0x01) == 0 &&            /* 8-bit mode */
+                    inb(ioaddr + EN0_RCNTLO) == 0x50 &&
+                    inb(ioaddr + EN0_RCNTHI) == 0x70)
+                        stop_page = 0x60;
+                else
+                        stop_page = NESM_STOP_PG;
         } else {
                 start_page = NE1SM_START_PG;
-                stop_page = NE1SM_STOP_PG;
+                stop_page  = NE1SM_STOP_PG;
         }
 
 #if  defined(CONFIG_PLAT_MAPPI) || defined(CONFIG_PLAT_OAKS32R)
@@ -509,15 +522,9 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr)
         ei_status.name = name;
         ei_status.tx_start_page = start_page;
         ei_status.stop_page = stop_page;
-#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
-        wordlength = 1;
-#endif
 
-#ifdef CONFIG_PLAT_OAKS32R
-        ei_status.word16 = 0;
-#else
-        ei_status.word16 = (wordlength == 2);
-#endif
+        /* Use 16-bit mode only if this wasn't overridden by DCR_VAL */
+        ei_status.word16 = (wordlength == 2 && (DCR_VAL & 0x01));
 
         ei_status.rx_start_page = start_page + TX_PAGES;
 #ifdef PACKETBUF_MEMSIZE
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 459443b572ce..1b236bdf6b92 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -60,8 +60,10 @@ int mdiobus_register(struct mii_bus *bus)
         for (i = 0; i < PHY_MAX_ADDR; i++) {
                 struct phy_device *phydev;
 
-                if (bus->phy_mask & (1 << i))
+                if (bus->phy_mask & (1 << i)) {
+                        bus->phy_map[i] = NULL;
                         continue;
+                }
 
                 phydev = get_phy_device(bus, i);
 
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index 3b3e1046d0a4..d05874172209 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -128,6 +128,7 @@ static const struct mii_chip_info {
 } mii_chip_table[] = {
         { "SiS 900 Internal MII PHY",           0x001d, 0x8000, LAN },
         { "SiS 7014 Physical Layer Solution",   0x0016, 0xf830, LAN },
+        { "SiS 900 on Foxconn 661 7MI",         0x0143, 0xBC70, LAN },
         { "Altimata AC101LF PHY",               0x0022, 0x5520, LAN },
         { "ADM 7001 LAN PHY",                   0x002e, 0xcc60, LAN },
         { "AMD 79C901 10BASE-T PHY",            0x0000, 0x6B70, LAN },
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 227df9876a2c..62be6d99d05c 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -51,7 +51,7 @@
 #include "sky2.h"
 
 #define DRV_NAME                "sky2"
-#define DRV_VERSION             "1.2"
+#define DRV_VERSION             "1.3"
 #define PFX                     DRV_NAME " "
 
 /*
@@ -79,6 +79,8 @@
 #define NAPI_WEIGHT             64
 #define PHY_RETRIES             1000
 
+#define RING_NEXT(x,s)  (((x)+1) & ((s)-1))
+
 static const u32 default_msg =
     NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
     | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
@@ -96,6 +98,10 @@ static int disable_msi = 0;
 module_param(disable_msi, int, 0);
 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
 
+static int idle_timeout = 100;
+module_param(idle_timeout, int, 0);
+MODULE_PARM_DESC(idle_timeout, "Idle timeout workaround for lost interrupts (ms)");
+
 static const struct pci_device_id sky2_id_table[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) },
         { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) },
@@ -122,6 +128,7 @@ MODULE_DEVICE_TABLE(pci, sky2_id_table);
 /* Avoid conditionals by using array */
 static const unsigned txqaddr[] = { Q_XA1, Q_XA2 };
 static const unsigned rxqaddr[] = { Q_R1, Q_R2 };
+static const u32 portirq_msk[] = { Y2_IS_PORT_1, Y2_IS_PORT_2 };
 
 /* This driver supports yukon2 chipset only */
 static const char *yukon2_name[] = {
@@ -298,7 +305,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
         struct sky2_port *sky2 = netdev_priv(hw->dev[port]);
         u16 ctrl, ct1000, adv, pg, ledctrl, ledover;
 
-        if (sky2->autoneg == AUTONEG_ENABLE && hw->chip_id != CHIP_ID_YUKON_XL) {
+        if (sky2->autoneg == AUTONEG_ENABLE &&
+            (hw->chip_id != CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) {
                 u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL);
 
                 ectrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK |
@@ -326,7 +334,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                         ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO);
 
                         if (sky2->autoneg == AUTONEG_ENABLE &&
-                            hw->chip_id == CHIP_ID_YUKON_XL) {
+                            (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) {
                                 ctrl &= ~PHY_M_PC_DSC_MSK;
                                 ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA;
                         }
@@ -442,10 +450,11 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                 gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3);
 
                 /* set LED Function Control register */
-                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, (PHY_M_LEDC_LOS_CTRL(1) |     /* LINK/ACT */
-                                                           PHY_M_LEDC_INIT_CTRL(7) |    /* 10 Mbps */
-                                                           PHY_M_LEDC_STA1_CTRL(7) |    /* 100 Mbps */
-                                                           PHY_M_LEDC_STA0_CTRL(7)));   /* 1000 Mbps */
+                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL,
+                             (PHY_M_LEDC_LOS_CTRL(1) |  /* LINK/ACT */
+                              PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */
+                              PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */
+                              PHY_M_LEDC_STA0_CTRL(7)));        /* 1000 Mbps */
 
                 /* set Polarity Control register */
                 gm_phy_write(hw, port, PHY_MARV_PHY_STAT,
@@ -459,6 +468,25 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                 /* restore page register */
                 gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
                 break;
+        case CHIP_ID_YUKON_EC_U:
+                pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+
+                /* select page 3 to access LED control register */
+                gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3);
+
+                /* set LED Function Control register */
+                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL,
+                             (PHY_M_LEDC_LOS_CTRL(1) |  /* LINK/ACT */
+                              PHY_M_LEDC_INIT_CTRL(8) | /* 10 Mbps */
+                              PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */
+                              PHY_M_LEDC_STA0_CTRL(7)));/* 1000 Mbps */
+
+                /* set Blink Rate in LED Timer Control Register */
+                gm_phy_write(hw, port, PHY_MARV_INT_MASK,
+                             ledctrl | PHY_M_LED_BLINK_RT(BLINK_84MS));
+                /* restore page register */
+                gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
+                break;
 
         default:
                 /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */
@@ -467,19 +495,21 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                 ledover |= PHY_M_LED_MO_RX(MO_LED_OFF);
         }
 
-        if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) {
+        if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == CHIP_REV_YU_EC_A1) {
                 /* apply fixes in PHY AFE */
-                gm_phy_write(hw, port, 22, 255);
+                pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+                gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 255);
+
                 /* increase differential signal amplitude in 10BASE-T */
-                gm_phy_write(hw, port, 24, 0xaa99);
-                gm_phy_write(hw, port, 23, 0x2011);
+                gm_phy_write(hw, port, 0x18, 0xaa99);
+                gm_phy_write(hw, port, 0x17, 0x2011);
 
                 /* fix for IEEE A/B Symmetry failure in 1000BASE-T */
-                gm_phy_write(hw, port, 24, 0xa204);
-                gm_phy_write(hw, port, 23, 0x2002);
+                gm_phy_write(hw, port, 0x18, 0xa204);
+                gm_phy_write(hw, port, 0x17, 0x2002);
 
                 /* set page register to 0 */
-                gm_phy_write(hw, port, 22, 0);
+                gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
         } else {
                 gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl);
 
@@ -553,6 +583,11 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
 
                 if (sky2->duplex == DUPLEX_FULL)
                         reg |= GM_GPCR_DUP_FULL;
+
+                /* turn off pause in 10/100mbps half duplex */
+                else if (sky2->speed != SPEED_1000 &&
+                         hw->chip_id != CHIP_ID_YUKON_EC_U)
+                        sky2->tx_pause = sky2->rx_pause = 0;
         } else
                 reg = GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100 | GM_GPCR_DUP_FULL;
 
@@ -719,7 +754,7 @@ static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2)
 {
         struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod;
 
-        sky2->tx_prod = (sky2->tx_prod + 1) % TX_RING_SIZE;
+        sky2->tx_prod = RING_NEXT(sky2->tx_prod, TX_RING_SIZE);
         return le;
 }
 
@@ -735,7 +770,7 @@ static inline void sky2_put_idx(struct sky2_hw *hw, unsigned q, u16 idx)
 static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2)
 {
         struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put;
-        sky2->rx_put = (sky2->rx_put + 1) % RX_LE_SIZE;
+        sky2->rx_put = RING_NEXT(sky2->rx_put, RX_LE_SIZE);
         return le;
 }
 
@@ -985,8 +1020,19 @@ static int sky2_up(struct net_device *dev)
         struct sky2_hw *hw = sky2->hw;
         unsigned port = sky2->port;
         u32 ramsize, rxspace, imask;
-        int err = -ENOMEM;
+        int err;
+        struct net_device *otherdev = hw->dev[sky2->port^1];
 
+        /* Block bringing up both ports at the same time on a dual port card.
+         * There is an unfixed bug where receiver gets confused and picks up
+         * packets out of order. Until this is fixed, prevent data corruption.
+         */
+        if (otherdev && netif_running(otherdev)) {
+                printk(KERN_INFO PFX "dual port support is disabled.\n");
+                return -EBUSY;
+        }
+
+        err = -ENOMEM;
         if (netif_msg_ifup(sky2))
                 printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
 
@@ -1050,7 +1096,7 @@ static int sky2_up(struct net_device *dev)
 
         /* Enable interrupts from phy/mac for port */
         imask = sky2_read32(hw, B0_IMSK);
-        imask |= (port == 0) ? Y2_IS_PORT_1 : Y2_IS_PORT_2;
+        imask |= portirq_msk[port];
         sky2_write32(hw, B0_IMSK, imask);
 
         return 0;
@@ -1078,7 +1124,7 @@ err_out:
 /* Modular subtraction in ring */
 static inline int tx_dist(unsigned tail, unsigned head)
 {
-        return (head - tail) % TX_RING_SIZE;
+        return (head - tail) & (TX_RING_SIZE - 1);
 }
 
 /* Number of list elements available for next tx */
@@ -1255,7 +1301,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
                 le->opcode = OP_BUFFER | HW_OWNER;
 
                 fre = sky2->tx_ring
-                    + ((re - sky2->tx_ring) + i + 1) % TX_RING_SIZE;
+                    + RING_NEXT((re - sky2->tx_ring) + i, TX_RING_SIZE);
                 pci_unmap_addr_set(fre, mapaddr, mapping);
         }
 
@@ -1315,7 +1361,7 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done)
 
                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                         struct tx_ring_info *fre;
-                        fre = sky2->tx_ring + (put + i + 1) % TX_RING_SIZE;
+                        fre = sky2->tx_ring + RING_NEXT(put + i, TX_RING_SIZE);
                         pci_unmap_page(pdev, pci_unmap_addr(fre, mapaddr),
                                        skb_shinfo(skb)->frags[i].size,
                                        PCI_DMA_TODEVICE);
@@ -1401,7 +1447,7 @@ static int sky2_down(struct net_device *dev)
 
         /* Disable port IRQ */
         imask = sky2_read32(hw, B0_IMSK);
-        imask &= ~(sky2->port == 0) ? Y2_IS_PORT_1 : Y2_IS_PORT_2;
+        imask &= ~portirq_msk[port];
         sky2_write32(hw, B0_IMSK, imask);
 
         /* turn off LED's */
@@ -1498,17 +1544,26 @@ static void sky2_link_up(struct sky2_port *sky2)
         sky2_write8(hw, SK_REG(port, LNK_LED_REG),
                     LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF);
 
-        if (hw->chip_id == CHIP_ID_YUKON_XL) {
+        if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) {
                 u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+                u16 led = PHY_M_LEDC_LOS_CTRL(1);       /* link active */
+
+                switch(sky2->speed) {
+                case SPEED_10:
+                        led |= PHY_M_LEDC_INIT_CTRL(7);
+                        break;
+
+                case SPEED_100:
+                        led |= PHY_M_LEDC_STA1_CTRL(7);
+                        break;
+
+                case SPEED_1000:
+                        led |= PHY_M_LEDC_STA0_CTRL(7);
+                        break;
+                }
 
                 gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3);
-                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, PHY_M_LEDC_LOS_CTRL(1) |      /* LINK/ACT */
-                             PHY_M_LEDC_INIT_CTRL(sky2->speed ==
-                                                  SPEED_10 ? 7 : 0) |
-                             PHY_M_LEDC_STA1_CTRL(sky2->speed ==
-                                                  SPEED_100 ? 7 : 0) |
-                             PHY_M_LEDC_STA0_CTRL(sky2->speed ==
-                                                  SPEED_1000 ? 7 : 0));
+                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, led);
                 gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
         }
 
@@ -1583,7 +1638,7 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux)
         sky2->speed = sky2_phy_speed(hw, aux);
 
         /* Pause bits are offset (9..8) */
-        if (hw->chip_id == CHIP_ID_YUKON_XL)
+        if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)
                 aux >>= 6;
 
         sky2->rx_pause = (aux & PHY_M_PS_RX_P_EN) != 0;
@@ -1859,35 +1914,28 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
 static int sky2_status_intr(struct sky2_hw *hw, int to_do)
 {
         int work_done = 0;
+        u16 hwidx = sky2_read16(hw, STAT_PUT_IDX);
 
         rmb();
 
-        for(;;) {
+        while (hw->st_idx != hwidx) {
                 struct sky2_status_le *le  = hw->st_le + hw->st_idx;
                 struct net_device *dev;
                 struct sky2_port *sky2;
                 struct sk_buff *skb;
                 u32 status;
                 u16 length;
-                u8  link, opcode;
-
-                opcode = le->opcode;
-                if (!opcode)
-                        break;
-                opcode &= ~HW_OWNER;
 
-                hw->st_idx = (hw->st_idx + 1) % STATUS_RING_SIZE;
-                le->opcode = 0;
+                hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE);
 
-                link = le->link;
-                BUG_ON(link >= 2);
-                dev = hw->dev[link];
+                BUG_ON(le->link >= 2);
+                dev = hw->dev[le->link];
 
                 sky2 = netdev_priv(dev);
                 length = le->length;
                 status = le->status;
 
-                switch (opcode) {
+                switch (le->opcode & ~HW_OWNER) {
                 case OP_RXSTAT:
                         skb = sky2_receive(sky2, length, status);
                         if (!skb)
@@ -1927,7 +1975,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)
 
                 case OP_TXINDEXLE:
                         /* TX index reports status for both ports */
-                        sky2_tx_done(hw->dev[0], status & 0xffff);
+                        BUILD_BUG_ON(TX_RING_SIZE > 0x1000);
+                        sky2_tx_done(hw->dev[0], status & 0xfff);
                         if (hw->dev[1])
                                 sky2_tx_done(hw->dev[1],
                                      ((status >> 24) & 0xff)
@@ -1937,8 +1986,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)
                 default:
                         if (net_ratelimit())
                                 printk(KERN_WARNING PFX
-                                       "unknown status opcode 0x%x\n", opcode);
-                        break;
+                                       "unknown status opcode 0x%x\n", le->opcode);
+                        goto exit_loop;
                 }
         }
 
@@ -2089,12 +2138,13 @@ static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port,
  */
 static void sky2_idle(unsigned long arg)
 {
-        struct net_device *dev = (struct net_device *) arg;
+        struct sky2_hw *hw = (struct sky2_hw *) arg;
+        struct net_device *dev = hw->dev[0];
 
-        local_irq_disable();
         if (__netif_rx_schedule_prep(dev))
                 __netif_rx_schedule(dev);
-        local_irq_enable();
+
+        mod_timer(&hw->idle_timer, jiffies + msecs_to_jiffies(idle_timeout));
 }
 
 
@@ -2105,65 +2155,46 @@ static int sky2_poll(struct net_device *dev0, int *budget)
         int work_done = 0;
         u32 status = sky2_read32(hw, B0_Y2_SP_EISR);
 
- restart_poll:
-        if (unlikely(status & ~Y2_IS_STAT_BMU)) {
-                if (status & Y2_IS_HW_ERR)
-                        sky2_hw_intr(hw);
-
-                if (status & Y2_IS_IRQ_PHY1)
-                        sky2_phy_intr(hw, 0);
+        if (status & Y2_IS_HW_ERR)
+                sky2_hw_intr(hw);
 
-                if (status & Y2_IS_IRQ_PHY2)
-                        sky2_phy_intr(hw, 1);
+        if (status & Y2_IS_IRQ_PHY1)
+                sky2_phy_intr(hw, 0);
 
-                if (status & Y2_IS_IRQ_MAC1)
-                        sky2_mac_intr(hw, 0);
+        if (status & Y2_IS_IRQ_PHY2)
+                sky2_phy_intr(hw, 1);
 
-                if (status & Y2_IS_IRQ_MAC2)
-                        sky2_mac_intr(hw, 1);
+        if (status & Y2_IS_IRQ_MAC1)
+                sky2_mac_intr(hw, 0);
 
-                if (status & Y2_IS_CHK_RX1)
-                        sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1);
+        if (status & Y2_IS_IRQ_MAC2)
+                sky2_mac_intr(hw, 1);
 
-                if (status & Y2_IS_CHK_RX2)
-                        sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2);
+        if (status & Y2_IS_CHK_RX1)
+                sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1);
 
-                if (status & Y2_IS_CHK_TXA1)
-                        sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1);
+        if (status & Y2_IS_CHK_RX2)
+                sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2);
 
-                if (status & Y2_IS_CHK_TXA2)
-                        sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2);
-        }
-
-        if (status & Y2_IS_STAT_BMU) {
-                work_done += sky2_status_intr(hw, work_limit - work_done);
-                *budget -= work_done;
-                dev0->quota -= work_done;
+        if (status & Y2_IS_CHK_TXA1)
+                sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1);
 
-                if (work_done >= work_limit)
-                        return 1;
+        if (status & Y2_IS_CHK_TXA2)
+                sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2);
 
+        if (status & Y2_IS_STAT_BMU)
                 sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
-        }
 
-        mod_timer(&hw->idle_timer, jiffies + HZ);
+        work_done = sky2_status_intr(hw, work_limit);
+        *budget -= work_done;
+        dev0->quota -= work_done;
 
-        local_irq_disable();
-        __netif_rx_complete(dev0);
+        if (work_done >= work_limit)
+                return 1;
 
-        status = sky2_read32(hw, B0_Y2_SP_LISR);
-
-        if (unlikely(status)) {
-                /* More work pending, try and keep going */
-                if (__netif_rx_schedule_prep(dev0)) {
-                        __netif_rx_reschedule(dev0, work_done);
-                        status = sky2_read32(hw, B0_Y2_SP_EISR);
-                        local_irq_enable();
-                        goto restart_poll;
-                }
-        }
+        netif_rx_complete(dev0);
 
-        local_irq_enable();
+        status = sky2_read32(hw, B0_Y2_SP_LISR);
         return 0;
 }
 
@@ -2244,13 +2275,6 @@ static int __devinit sky2_reset(struct sky2_hw *hw)
                 return -EOPNOTSUPP;
         }
 
-        /* This chip is new and not tested yet */
-        if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
-                pr_info(PFX "%s: is a version of Yukon 2 chipset that has not been tested yet.\n",
-                        pci_name(hw->pdev));
-                pr_info("Please report success/failure to maintainer <shemminger@osdl.org>\n");
-        }
-
         /* disable ASF */
         if (hw->chip_id <= CHIP_ID_YUKON_EC) {
                 sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
@@ -3302,7 +3326,10 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
 
         sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
 
-        setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) dev);
+        setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw);
+        if (idle_timeout > 0)
+                mod_timer(&hw->idle_timer,
+                          jiffies + msecs_to_jiffies(idle_timeout));
 
         pci_set_drvdata(pdev, hw);
 
@@ -3342,6 +3369,8 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
         del_timer_sync(&hw->idle_timer);
 
         sky2_write32(hw, B0_IMSK, 0);
+        synchronize_irq(hw->pdev->irq);
+
         dev0 = hw->dev[0];
         dev1 = hw->dev[1];
         if (dev1)
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index b026f5653f04..8012994c9b93 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -378,6 +378,9 @@ enum {
         CHIP_REV_YU_EC_A1    = 0,  /* Chip Rev. for Yukon-EC A1/A0 */
         CHIP_REV_YU_EC_A2    = 1,  /* Chip Rev. for Yukon-EC A2 */
         CHIP_REV_YU_EC_A3    = 2,  /* Chip Rev. for Yukon-EC A3 */
+
+        CHIP_REV_YU_EC_U_A0  = 0,
+        CHIP_REV_YU_EC_U_A1  = 1,
 };
 
 /*      B2_Y2_CLK_GATE   8 bit  Clock Gating (Yukon-2 only) */
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 43f5e86fc559..394339d5e87c 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -1652,6 +1652,8 @@ spider_net_enable_card(struct spider_net_card *card)
                 { SPIDER_NET_GFTRESTRT, SPIDER_NET_RESTART_VALUE },
 
                 { SPIDER_NET_GMRWOLCTRL, 0 },
+                { SPIDER_NET_GTESTMD, 0x10000000 },
+                { SPIDER_NET_GTTQMSK, 0x00400040 },
                 { SPIDER_NET_GTESTMD, 0 },
 
                 { SPIDER_NET_GMACINTEN, 0 },
@@ -1792,15 +1794,7 @@ spider_net_setup_phy(struct spider_net_card *card)
         if (phy->def->ops->setup_forced)
                 phy->def->ops->setup_forced(phy, SPEED_1000, DUPLEX_FULL);
 
-        /* the following two writes could be moved to sungem_phy.c */
-        /* enable fiber mode */
-        spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0x9020);
-        /* LEDs active in both modes, autosense prio = fiber */
-        spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0x945f);
-
-        /* switch off fibre autoneg */
-        spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0xfc01);
-        spider_net_write_phy(card->netdev, 1, 0x0b, 0x0004);
+        phy->def->ops->enable_fiber(phy);
 
         phy->def->ops->read_link(phy);
         pr_info("Found %s with %i Mbps, %s-duplex.\n", phy->def->name,
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index 5922b529a048..3b8d951cf73c 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -120,6 +120,8 @@ extern char spider_net_driver_name[];
 #define SPIDER_NET_GMRUAFILnR           0x00000500
 #define SPIDER_NET_GMRUA0FIL15R         0x00000578
 
+#define SPIDER_NET_GTTQMSK              0x00000934
+
 /* RX DMA controller registers, all 0x00000a.. are for DMA controller A,
  * 0x00000b.. for DMA controller B, etc. */
 #define SPIDER_NET_GDADCHA              0x00000a00
diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c
index 046371ee5bbe..b2ddd5e79303 100644
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -329,6 +329,30 @@ static int bcm5421_init(struct mii_phy* phy)
         return 0;
 }
 
+static int bcm5421_enable_fiber(struct mii_phy* phy)
+{
+        /* enable fiber mode */
+        phy_write(phy, MII_NCONFIG, 0x9020);
+        /* LEDs active in both modes, autosense prio = fiber */
+        phy_write(phy, MII_NCONFIG, 0x945f);
+
+        /* switch off fibre autoneg */
+        phy_write(phy, MII_NCONFIG, 0xfc01);
+        phy_write(phy, 0x0b, 0x0004);
+
+        return 0;
+}
+
+static int bcm5461_enable_fiber(struct mii_phy* phy)
+{
+        phy_write(phy, MII_NCONFIG, 0xfc0c);
+        phy_write(phy, MII_BMCR, 0x4140);
+        phy_write(phy, MII_NCONFIG, 0xfc0b);
+        phy_write(phy, MII_BMCR, 0x0140);
+
+        return 0;
+}
+
 static int bcm54xx_setup_aneg(struct mii_phy *phy, u32 advertise)
 {
         u16 ctl, adv;
@@ -762,6 +786,7 @@ static struct mii_phy_ops bcm5421_phy_ops = {
         .setup_forced   = bcm54xx_setup_forced,
         .poll_link      = genmii_poll_link,
         .read_link      = bcm54xx_read_link,
+        .enable_fiber   = bcm5421_enable_fiber,
 };
 
 static struct mii_phy_def bcm5421_phy_def = {
@@ -792,6 +817,25 @@ static struct mii_phy_def bcm5421k2_phy_def = {
         .ops            = &bcm5421k2_phy_ops
 };
 
+static struct mii_phy_ops bcm5461_phy_ops = {
+        .init           = bcm5421_init,
+        .suspend        = generic_suspend,
+        .setup_aneg     = bcm54xx_setup_aneg,
+        .setup_forced   = bcm54xx_setup_forced,
+        .poll_link      = genmii_poll_link,
+        .read_link      = bcm54xx_read_link,
+        .enable_fiber   = bcm5461_enable_fiber,
+};
+
+static struct mii_phy_def bcm5461_phy_def = {
+        .phy_id         = 0x002060c0,
+        .phy_id_mask    = 0xfffffff0,
+        .name           = "BCM5461",
+        .features       = MII_GBIT_FEATURES,
+        .magic_aneg     = 1,
+        .ops            = &bcm5461_phy_ops
+};
+
 /* Broadcom BCM 5462 built-in Vesta */
 static struct mii_phy_ops bcm5462V_phy_ops = {
         .init           = bcm5421_init,
@@ -857,6 +901,7 @@ static struct mii_phy_def* mii_phy_table[] = {
         &bcm5411_phy_def,
         &bcm5421_phy_def,
         &bcm5421k2_phy_def,
+        &bcm5461_phy_def,
         &bcm5462V_phy_def,
         &marvell_phy_def,
         &genmii_phy_def,
diff --git a/drivers/net/sungem_phy.h b/drivers/net/sungem_phy.h
index 430544496c52..69e125197fcf 100644
--- a/drivers/net/sungem_phy.h
+++ b/drivers/net/sungem_phy.h
@@ -12,6 +12,7 @@ struct mii_phy_ops
         int             (*setup_forced)(struct mii_phy *phy, int speed, int fd);
         int             (*poll_link)(struct mii_phy *phy);
         int             (*read_link)(struct mii_phy *phy);
+        int             (*enable_fiber)(struct mii_phy *phy);
 };
 
 /* Structure used to statically define an mii/gii based PHY */
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index beeb612be98f..e1b33a25a25f 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7653,21 +7653,23 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
                 cmd->supported |= (SUPPORTED_1000baseT_Half |
                                    SUPPORTED_1000baseT_Full);
 
-        if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
+        if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
                 cmd->supported |= (SUPPORTED_100baseT_Half |
                                   SUPPORTED_100baseT_Full |
                                   SUPPORTED_10baseT_Half |
                                   SUPPORTED_10baseT_Full |
                                   SUPPORTED_MII);
-        else
+                cmd->port = PORT_TP;
+        } else {
                 cmd->supported |= SUPPORTED_FIBRE;
+                cmd->port = PORT_FIBRE;
+        }
   
         cmd->advertising = tp->link_config.advertising;
         if (netif_running(dev)) {
                 cmd->speed = tp->link_config.active_speed;
                 cmd->duplex = tp->link_config.active_duplex;
         }
-        cmd->port = 0;
         cmd->phy_address = PHY_ADDR;
         cmd->transceiver = 0;
         cmd->autoneg = tp->link_config.autoneg;
@@ -8454,6 +8456,9 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 
         tx_len = 1514;
         skb = dev_alloc_skb(tx_len);
+        if (!skb)
+                return -ENOMEM;
+
         tx_data = skb_put(skb, tx_len);
         memcpy(tx_data, tp->dev->dev_addr, 6);
         memset(tx_data + 6, 0x0, 8);
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index 198528660721..8d0f61816c19 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -939,9 +939,9 @@ static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm)
         return 0;
 }
 
-static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
+static int bcm43xx_geo_init(struct bcm43xx_private *bcm)
 {
-        struct ieee80211_geo geo;
+        struct ieee80211_geo *geo;
         struct ieee80211_channel *chan;
         int have_a = 0, have_bg = 0;
         int i;
@@ -949,7 +949,10 @@ static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
         struct bcm43xx_phyinfo *phy;
         const char *iso_country;
 
-        memset(&geo, 0, sizeof(geo));
+        geo = kzalloc(sizeof(*geo), GFP_KERNEL);
+        if (!geo)
+                return -ENOMEM;
+
         for (i = 0; i < bcm->nr_80211_available; i++) {
                 phy = &(bcm->core_80211_ext[i].phy);
                 switch (phy->type) {
@@ -967,31 +970,36 @@ static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
         iso_country = bcm43xx_locale_iso(bcm->sprom.locale);
 
         if (have_a) {
-                for (i = 0, channel = 0; channel < 201; channel++) {
-                        chan = &geo.a[i++];
+                for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL;
+                      channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) {
+                        chan = &geo->a[i++];
                         chan->freq = bcm43xx_channel_to_freq_a(channel);
                         chan->channel = channel;
                 }
-                geo.a_channels = i;
+                geo->a_channels = i;
         }
         if (have_bg) {
-                for (i = 0, channel = 1; channel < 15; channel++) {
-                        chan = &geo.bg[i++];
+                for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL;
+                      channel <= IEEE80211_24GHZ_MAX_CHANNEL; channel++) {
+                        chan = &geo->bg[i++];
                         chan->freq = bcm43xx_channel_to_freq_bg(channel);
                         chan->channel = channel;
                 }
-                geo.bg_channels = i;
+                geo->bg_channels = i;
         }
-        memcpy(geo.name, iso_country, 2);
+        memcpy(geo->name, iso_country, 2);
         if (0 /*TODO: Outdoor use only */)
-                geo.name[2] = 'O';
+                geo->name[2] = 'O';
         else if (0 /*TODO: Indoor use only */)
-                geo.name[2] = 'I';
+                geo->name[2] = 'I';
         else
-                geo.name[2] = ' ';
-        geo.name[3] = '\0';
+                geo->name[2] = ' ';
+        geo->name[3] = '\0';
+
+        ieee80211_set_geo(bcm->ieee, geo);
+        kfree(geo);
 
-        ieee80211_set_geo(bcm->ieee, &geo);
+        return 0;
 }
 
 /* DummyTransmission function, as documented on 
@@ -3464,16 +3472,17 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
                         goto err_80211_unwind;
                 bcm43xx_wireless_core_disable(bcm);
         }
+        err = bcm43xx_geo_init(bcm);
+        if (err)
+                goto err_80211_unwind;
         bcm43xx_pctl_set_crystal(bcm, 0);
 
         /* Set the MAC address in the networking subsystem */
-        if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
+        if (is_valid_ether_addr(bcm->sprom.et1macaddr))
                 memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6);
         else
                 memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6);
 
-        bcm43xx_geo_init(bcm);
-
         snprintf(bcm->nick, IW_ESSID_MAX_SIZE,
                  "Broadcom %04X", bcm->chip_id);
 
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h
index eca79a38594a..30a202b258b5 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h
@@ -118,12 +118,14 @@ int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm,
 static inline
 int bcm43xx_is_valid_channel_a(u8 channel)
 {
-        return (channel <= 200);
+        return (channel >= IEEE80211_52GHZ_MIN_CHANNEL
+               && channel <= IEEE80211_52GHZ_MAX_CHANNEL);
 }
 static inline
 int bcm43xx_is_valid_channel_bg(u8 channel)
 {
-        return (channel >= 1 && channel <= 14);
+        return (channel >= IEEE80211_24GHZ_MIN_CHANNEL
+               && channel <= IEEE80211_24GHZ_MAX_CHANNEL);
 }
 static inline
 int bcm43xx_is_valid_channel(struct bcm43xx_private *bcm,
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
index 33137165727f..b0abac515530 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
@@ -1287,7 +1287,7 @@ static void bcm43xx_phy_initg(struct bcm43xx_private *bcm)
         if (radio->revision == 8)
                 bcm43xx_phy_write(bcm, 0x0805, 0x3230);
         bcm43xx_phy_init_pctl(bcm);
-        if (bcm->chip_id == 0x4306 && bcm->chip_package != 2) {
+        if (bcm->chip_id == 0x4306 && bcm->chip_package == 2) {
                 bcm43xx_phy_write(bcm, 0x0429,
                                   bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF);
                 bcm43xx_phy_write(bcm, 0x04C3,
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
index 3edbb481a0a0..b45063974ae9 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
@@ -182,8 +182,11 @@ static int bcm43xx_wx_set_mode(struct net_device *net_dev,
                 mode = BCM43xx_INITIAL_IWMODE;
 
         bcm43xx_lock_mmio(bcm, flags);
-        if (bcm->ieee->iw_mode != mode)
-                bcm43xx_set_iwmode(bcm, mode);
+        if (bcm->initialized) {
+                if (bcm->ieee->iw_mode != mode)
+                        bcm43xx_set_iwmode(bcm, mode);
+        } else
+                bcm->ieee->iw_mode = mode;
         bcm43xx_unlock_mmio(bcm, flags);
 
         return 0;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 19e2b174d33c..d378478612fb 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -634,6 +634,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C686_4,	quirk_vi
  * non-x86 architectures (yes Via exists on PPC among other places),
  * we must mask the PCI_INTERRUPT_LINE value versus 0xf to get
  * interrupts delivered properly.
+ *
+ * Some of the on-chip devices are actually '586 devices' so they are
+ * listed here.
  */
 static void quirk_via_irq(struct pci_dev *dev)
 {
@@ -648,6 +651,10 @@ static void quirk_via_irq(struct pci_dev *dev)
                 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
         }
 }
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0, quirk_via_irq);
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, quirk_via_irq);
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, quirk_via_irq);
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_via_irq);
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_irq);
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_irq);
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, quirk_via_irq);
@@ -895,6 +902,7 @@ static void __init k8t_sound_hostbridge(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge);
 
+#ifndef CONFIG_ACPI_SLEEP
 /*
  * On ASUS P4B boards, the SMBus PCI Device within the ICH2/4 southbridge
  * is not activated. The myth is that Asus said that they do not want the
@@ -906,8 +914,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_ho
  * bridge. Unfortunately, this device has no subvendor/subdevice ID. So it 
  * becomes necessary to do this tweak in two steps -- I've chosen the Host
  * bridge as trigger.
+ *
+ * Actually, leaving it unhidden and not redoing the quirk over suspend2ram
+ * will cause thermal management to break down, and causing machine to
+ * overheat.
  */
-static int __initdata asus_hides_smbus = 0;
+static int __initdata asus_hides_smbus;
 
 static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
 {
@@ -1050,6 +1062,8 @@ static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ICH6_1,     asus_hides_smbus_lpc_ich6 );
 
+#endif
+
 /*
  * SiS 96x south bridge: BIOS typically hides SMBus device...
  */
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index c53db7ceda5e..738b1ef595a3 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -426,7 +426,7 @@ static int ds_open(struct inode *inode, struct file *file)
 
     if (!warning_printed) {
             printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl "
-                        "usage.\n");
+                        "usage from process: %s.\n", current->comm);
             printk(KERN_INFO "pcmcia: This interface will soon be removed from "
                         "the kernel; please expect breakage unless you upgrade "
                         "to new tools.\n");
@@ -601,8 +601,12 @@ static int ds_ioctl(struct inode * inode, struct file * file,
             ret = CS_BAD_ARGS;
         else {
             struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function);
-            ret = pccard_get_configuration_info(s, p_dev, &buf->config);
-            pcmcia_put_dev(p_dev);
+            if (p_dev == NULL)
+                    ret = CS_BAD_ARGS;
+            else {
+                    ret = pccard_get_configuration_info(s, p_dev, &buf->config);
+                    pcmcia_put_dev(p_dev);
+            }
         }
         break;
     case DS_GET_FIRST_TUPLE:
@@ -632,8 +636,12 @@ static int ds_ioctl(struct inode * inode, struct file * file,
                     ret = CS_BAD_ARGS;
             else {
                     struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function);
-                    ret = pccard_get_status(s, p_dev, &buf->status);
-                    pcmcia_put_dev(p_dev);
+                    if (p_dev == NULL)
+                            ret = CS_BAD_ARGS;
+                    else {
+                            ret = pccard_get_status(s, p_dev, &buf->status);
+                            pcmcia_put_dev(p_dev);
+                    }
             }
             break;
     case DS_VALIDATE_CIS:
@@ -665,9 +673,10 @@ static int ds_ioctl(struct inode * inode, struct file * file,
         if (!(buf->conf_reg.Function &&
              (buf->conf_reg.Function >= s->functions))) {
                 struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function);
-                if (p_dev)
+                if (p_dev) {
                         ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg);
-                pcmcia_put_dev(p_dev);
+                        pcmcia_put_dev(p_dev);
+                }
         }
         break;
     case DS_GET_FIRST_REGION:
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index a23ec54989f6..2bc8aad47219 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -178,9 +178,9 @@ static int sa1100_rtc_open(struct device *dev)
         return 0;
 
  fail_pi:
-        free_irq(IRQ_RTCAlrm, NULL);
+        free_irq(IRQ_RTCAlrm, dev);
  fail_ai:
-        free_irq(IRQ_RTC1Hz, NULL);
+        free_irq(IRQ_RTC1Hz, dev);
  fail_ui:
         return ret;
 }
@@ -295,7 +295,7 @@ static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq)
 {
-        seq_printf(seq, "trim/divider\t: 0x%08x\n", RTTR);
+        seq_printf(seq, "trim/divider\t: 0x%08lx\n", RTTR);
         seq_printf(seq, "alarm_IRQ\t: %s\n",
                         (RTSR & RTSR_ALE) ? "yes" : "no" );
         seq_printf(seq, "update_IRQ\t: %s\n",
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 5d6b7a57b02f..e65da921a827 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1348,7 +1348,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
                 index = (struct ccw1 *) __va((addr_t) irb->scsw.cpa) 
                         - channel->ccws;
                 if ((irb->scsw.actl & SCSW_ACTL_SUSPENDED) ||
-                    (irb->scsw.cstat | SCHN_STAT_PCI))
+                    (irb->scsw.cstat & SCHN_STAT_PCI))
                         /* Bloody io subsystem tells us lies about cpa... */
                         index = (index - 1) & (LCS_NUM_BUFFS - 1);
                 while (channel->io_idx != index) {
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 383a95f34a0d..239e108b8ed1 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -392,13 +392,16 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
                         return -ENOMEM;
                 }
 
-                prom_getproperty(op.op_nodeid, str, tmp, len);
-
-                tmp[len] = '\0';
+                cnt = prom_getproperty(op.op_nodeid, str, tmp, len);
+                if (cnt <= 0) {
+                        error = -EINVAL;
+                } else {
+                        tmp[len] = '\0';
 
-                if (__copy_to_user(argp, &op, sizeof(op)) != 0
-                    || copy_to_user(op.op_buf, tmp, len) != 0)
-                        error = -EFAULT;
+                        if (__copy_to_user(argp, &op, sizeof(op)) != 0 ||
+                            copy_to_user(op.op_buf, tmp, len) != 0)
+                                error = -EFAULT;
+                }
 
                 kfree(tmp);
                 kfree(str);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index cb30d9c1153d..0c9c2f400bf6 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -219,6 +219,7 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 ahc->flags |= AHC_39BIT_ADDRESSING;
         } else {
                 if (dma_set_mask(dev, DMA_32BIT_MASK)) {
+                        ahc_free(ahc);
                         printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n");
                         return (-ENODEV);
                 }
diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c
index 5f586140e057..3adecef21783 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c
@@ -2036,12 +2036,12 @@ ahc_pci_resume(struct ahc_softc *ahc)
          * that the OS doesn't know about and rely on our chip
          * reset handler to handle the rest.
          */
-        ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4,
-                             ahc->bus_softc.pci_softc.devconfig);
-        ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/1,
-                             ahc->bus_softc.pci_softc.command);
-        ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME, /*bytes*/1,
-                             ahc->bus_softc.pci_softc.csize_lattime);
+        ahc_pci_write_config(ahc->dev_softc, DEVCONFIG,
+                             ahc->bus_softc.pci_softc.devconfig, /*bytes*/4);
+        ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND,
+                             ahc->bus_softc.pci_softc.command, /*bytes*/1);
+        ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME,
+                             ahc->bus_softc.pci_softc.csize_lattime, /*bytes*/1);
         if ((ahc->flags & AHC_HAS_TERM_LOGIC) != 0) {
                 struct  seeprom_descriptor sd;
                 u_int   sxfrctl1;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 0a8ad37ae899..2e9be83a697f 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -739,7 +739,8 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 {
         struct viosrp_adapter_info *req;
         struct srp_event_struct *evt_struct;
-        
+        dma_addr_t addr;
+
         evt_struct = get_event_struct(&hostdata->pool);
         if (!evt_struct) {
                 printk(KERN_ERR "ibmvscsi: couldn't allocate an event "
@@ -757,10 +758,10 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
         
         req->common.type = VIOSRP_ADAPTER_INFO_TYPE;
         req->common.length = sizeof(hostdata->madapter_info);
-        req->buffer = dma_map_single(hostdata->dev,
-                                     &hostdata->madapter_info,
-                                     sizeof(hostdata->madapter_info),
-                                     DMA_BIDIRECTIONAL);
+        req->buffer = addr = dma_map_single(hostdata->dev,
+                                            &hostdata->madapter_info,
+                                            sizeof(hostdata->madapter_info),
+                                            DMA_BIDIRECTIONAL);
 
         if (dma_mapping_error(req->buffer)) {
                 printk(KERN_ERR
@@ -770,8 +771,13 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
                 return;
         }
         
-        if (ibmvscsi_send_srp_event(evt_struct, hostdata))
+        if (ibmvscsi_send_srp_event(evt_struct, hostdata)) {
                 printk(KERN_ERR "ibmvscsi: couldn't send ADAPTER_INFO_REQ!\n");
+                dma_unmap_single(hostdata->dev,
+                                 addr,
+                                 sizeof(hostdata->madapter_info),
+                                 DMA_BIDIRECTIONAL);
+        }
 };
 
 /**
@@ -1259,6 +1265,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 {
         struct viosrp_host_config *host_config;
         struct srp_event_struct *evt_struct;
+        dma_addr_t addr;
         int rc;
 
         evt_struct = get_event_struct(&hostdata->pool);
@@ -1279,8 +1286,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
         memset(host_config, 0x00, sizeof(*host_config));
         host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
         host_config->common.length = length;
-        host_config->buffer = dma_map_single(hostdata->dev, buffer, length,
-                                            DMA_BIDIRECTIONAL);
+        host_config->buffer = addr = dma_map_single(hostdata->dev, buffer,
+                                                    length,
+                                                    DMA_BIDIRECTIONAL);
 
         if (dma_mapping_error(host_config->buffer)) {
                 printk(KERN_ERR
@@ -1291,11 +1299,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 
         init_completion(&evt_struct->comp);
         rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
-        if (rc == 0) {
+        if (rc == 0)
                 wait_for_completion(&evt_struct->comp);
-                dma_unmap_single(hostdata->dev, host_config->buffer,
-                                 length, DMA_BIDIRECTIONAL);
-        }
+        dma_unmap_single(hostdata->dev, addr, length, DMA_BIDIRECTIONAL);
 
         return rc;
 }
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index fad607b2e6f4..ee22173fce43 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -27,7 +27,6 @@ void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
-void lpfc_set_slim(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
 int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
                    uint32_t);
 void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 8932b1be2b60..41cf5d3ea6ce 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -113,6 +113,7 @@ struct lpfc_nodelist {
 #define NLP_NPR_ADISC      0x2000000    /* Issue ADISC when dq'ed from
                                            NPR list */
 #define NLP_DELAY_REMOVE   0x4000000    /* Defer removal till end of DSM */
+#define NLP_NODEV_REMOVE   0x8000000    /* Defer removal till discovery ends */
 
 /* Defines for list searchs */
 #define NLP_SEARCH_MAPPED    0x1        /* search mapped */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 4813beaaca8f..283b7d824c34 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -302,10 +302,6 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
         if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0))
                 goto fail_free_mbox;
 
-        /*
-         * set_slim mailbox command needs to execute first,
-         * queue this command to be processed later.
-         */
         mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
         mbox->context2 = ndlp;
 
@@ -781,25 +777,26 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
         if (disc && phba->num_disc_nodes) {
                 /* Check to see if there are more PLOGIs to be sent */
                 lpfc_more_plogi(phba);
-        }
 
-        if (phba->num_disc_nodes == 0) {
-                spin_lock_irq(phba->host->host_lock);
-                phba->fc_flag &= ~FC_NDISC_ACTIVE;
-                spin_unlock_irq(phba->host->host_lock);
+                if (phba->num_disc_nodes == 0) {
+                        spin_lock_irq(phba->host->host_lock);
+                        phba->fc_flag &= ~FC_NDISC_ACTIVE;
+                        spin_unlock_irq(phba->host->host_lock);
 
-                lpfc_can_disctmo(phba);
-                if (phba->fc_flag & FC_RSCN_MODE) {
-                        /* Check to see if more RSCNs came in while we were
-                         * processing this one.
-                         */
-                        if ((phba->fc_rscn_id_cnt == 0) &&
-                            (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
-                                spin_lock_irq(phba->host->host_lock);
-                                phba->fc_flag &= ~FC_RSCN_MODE;
-                                spin_unlock_irq(phba->host->host_lock);
-                        } else {
-                                lpfc_els_handle_rscn(phba);
+                        lpfc_can_disctmo(phba);
+                        if (phba->fc_flag & FC_RSCN_MODE) {
+                                /*
+                                 * Check to see if more RSCNs came in while
+                                 * we were processing this one.
+                                 */
+                                if ((phba->fc_rscn_id_cnt == 0) &&
+                                (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
+                                        spin_lock_irq(phba->host->host_lock);
+                                        phba->fc_flag &= ~FC_RSCN_MODE;
+                                        spin_unlock_irq(phba->host->host_lock);
+                                } else {
+                                        lpfc_els_handle_rscn(phba);
+                                }
                         }
                 }
         }
@@ -1263,7 +1260,7 @@ lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
         psli = &phba->sli;
         pring = &psli->ring[LPFC_ELS_RING];
 
-        cmdsize = 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name));
+        cmdsize = (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name);
         elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp,
                                                 ndlp->nlp_DID, ELS_CMD_LOGO);
         if (!elsiocb)
@@ -1451,22 +1448,23 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_hba *phba, struct lpfc_nodelist * nlp)
                          * PLOGIs to be sent
                          */
                         lpfc_more_plogi(phba);
-                }
 
-                if (phba->num_disc_nodes == 0) {
-                        phba->fc_flag &= ~FC_NDISC_ACTIVE;
-                        lpfc_can_disctmo(phba);
-                        if (phba->fc_flag & FC_RSCN_MODE) {
-                                /* Check to see if more RSCNs
-                                 * came in while we were
-                                 * processing this one.
-                                 */
-                                if((phba->fc_rscn_id_cnt==0) &&
-                                   (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
-                                        phba->fc_flag &= ~FC_RSCN_MODE;
-                                }
-                                else {
-                                        lpfc_els_handle_rscn(phba);
+                        if (phba->num_disc_nodes == 0) {
+                                phba->fc_flag &= ~FC_NDISC_ACTIVE;
+                                lpfc_can_disctmo(phba);
+                                if (phba->fc_flag & FC_RSCN_MODE) {
+                                        /*
+                                         * Check to see if more RSCNs
+                                         * came in while we were
+                                         * processing this one.
+                                         */
+                                        if((phba->fc_rscn_id_cnt==0) &&
+                                         !(phba->fc_flag & FC_RSCN_DISCOVERY)) {
+                                                phba->fc_flag &= ~FC_RSCN_MODE;
+                                        }
+                                        else {
+                                                lpfc_els_handle_rscn(phba);
+                                        }
                                 }
                         }
                 }
@@ -1872,9 +1870,6 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
         if (mbox) {
                 if ((rspiocb->iocb.ulpStatus == 0)
                     && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
-                        /* set_slim mailbox command needs to execute first,
-                         * queue this command to be processed later.
-                         */
                         lpfc_unreg_rpi(phba, ndlp);
                         mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
                         mbox->context2 = ndlp;
@@ -1920,6 +1915,7 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
         uint8_t *pcmd;
         uint16_t cmdsize;
         int rc;
+        ELS_PKT *els_pkt_ptr;
 
         psli = &phba->sli;
         pring = &psli->ring[LPFC_ELS_RING];     /* ELS ring */
@@ -1958,6 +1954,23 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
                 pcmd += sizeof (uint32_t);
                 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
                 break;
+        case ELS_CMD_PRLO:
+                cmdsize = sizeof (uint32_t) + sizeof (PRLO);
+                elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
+                                             ndlp, ndlp->nlp_DID, ELS_CMD_PRLO);
+                if (!elsiocb)
+                        return 1;
+
+                icmd = &elsiocb->iocb;
+                icmd->ulpContext = oldcmd->ulpContext; /* Xri */
+                pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+
+                memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt,
+                       sizeof (uint32_t) + sizeof (PRLO));
+                *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC;
+                els_pkt_ptr = (ELS_PKT *) pcmd;
+                els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED;
+                break;
         default:
                 return 1;
         }
@@ -2498,7 +2511,7 @@ lpfc_els_rcv_rscn(struct lpfc_hba * phba,
         /* If we are about to begin discovery, just ACC the RSCN.
          * Discovery processing will satisfy it.
          */
-        if (phba->hba_state < LPFC_NS_QRY) {
+        if (phba->hba_state <= LPFC_NS_QRY) {
                 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
                                                                 newnode);
                 return 0;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 6721e679df62..adb086009ae0 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -311,8 +311,8 @@ lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
         evtp->evt_arg2  = arg2;
         evtp->evt       = evt;
 
-        list_add_tail(&evtp->evt_listp, &phba->work_list);
         spin_lock_irq(phba->host->host_lock);
+        list_add_tail(&evtp->evt_listp, &phba->work_list);
         if (phba->work_wait)
                 wake_up(phba->work_wait);
         spin_unlock_irq(phba->host->host_lock);
@@ -1071,10 +1071,6 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
         /* initialize static port data */
         rport->maxframe_size = ndlp->nlp_maxframe;
         rport->supported_classes = ndlp->nlp_class_sup;
-        if ((rport->scsi_target_id != -1) &&
-                (rport->scsi_target_id < MAX_FCP_TARGET)) {
-                ndlp->nlp_sid = rport->scsi_target_id;
-        }
         rdata = rport->dd_data;
         rdata->pnode = ndlp;
 
@@ -1087,6 +1083,10 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
         if (rport_ids.roles !=  FC_RPORT_ROLE_UNKNOWN)
                 fc_remote_port_rolechg(rport, rport_ids.roles);
 
+        if ((rport->scsi_target_id != -1) &&
+                (rport->scsi_target_id < MAX_FCP_TARGET)) {
+                ndlp->nlp_sid = rport->scsi_target_id;
+        }
 
         return;
 }
@@ -1238,6 +1238,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
                                                 evt_listp);
 
                 }
+                nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
                 nlp->nlp_type |= NLP_FC_NODE;
                 break;
         case NLP_MAPPED_LIST:
@@ -1258,6 +1259,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
                                                 evt_listp);
 
                 }
+                nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
                 break;
         case NLP_NPR_LIST:
                 nlp->nlp_flag |= list;
@@ -1402,6 +1404,8 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba,
                         if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
                                 return 1;
                 case CMD_ELS_REQUEST64_CR:
+                        if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
+                                return 1;
                 case CMD_XMIT_ELS_RSP64_CX:
                         if (iocb->context1 == (uint8_t *) ndlp)
                                 return 1;
@@ -1901,10 +1905,8 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
                          */
                         if (ndlp->nlp_flag & NLP_DELAY_TMO)
                                 lpfc_cancel_retry_delay_tmo(phba, ndlp);
-                } else {
-                        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+                } else
                         ndlp = NULL;
-                }
         } else {
                 flg = ndlp->nlp_flag & NLP_LIST_MASK;
                 if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 54d04188f7cc..eedf98801366 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -449,6 +449,7 @@ struct serv_parm {	/* Structure is in Big Endian format */
 #define ELS_CMD_RRQ       0x12000000
 #define ELS_CMD_PRLI      0x20100014
 #define ELS_CMD_PRLO      0x21100014
+#define ELS_CMD_PRLO_ACC  0x02100014
 #define ELS_CMD_PDISC     0x50000000
 #define ELS_CMD_FDISC     0x51000000
 #define ELS_CMD_ADISC     0x52000000
@@ -484,6 +485,7 @@ struct serv_parm {	/* Structure is in Big Endian format */
 #define ELS_CMD_RRQ       0x12
 #define ELS_CMD_PRLI      0x14001020
 #define ELS_CMD_PRLO      0x14001021
+#define ELS_CMD_PRLO_ACC  0x14001002
 #define ELS_CMD_PDISC     0x50
 #define ELS_CMD_FDISC     0x51
 #define ELS_CMD_ADISC     0x52
@@ -1539,6 +1541,7 @@ typedef struct {
 
 #define FLAGS_TOPOLOGY_FAILOVER      0x0400     /* Bit 10 */
 #define FLAGS_LINK_SPEED             0x0800     /* Bit 11 */
+#define FLAGS_IMED_ABORT             0x04000    /* Bit 14 */
 
         uint32_t link_speed;
 #define LINK_SPEED_AUTO 0       /* Auto selection */
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 66d5d003555d..908d0f27706f 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -294,15 +294,6 @@ lpfc_config_port_post(struct lpfc_hba * phba)
                 }
         }
 
-        /* This should turn on DELAYED ABTS for ELS timeouts */
-        lpfc_set_slim(phba, pmb, 0x052198, 0x1);
-        if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
-                phba->hba_state = LPFC_HBA_ERROR;
-                mempool_free( pmb, phba->mbox_mem_pool);
-                return -EIO;
-        }
-
-
         lpfc_read_config(phba, pmb);
         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
                 lpfc_printf_log(phba,
@@ -804,7 +795,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
                 int    max_speed;
                 char * ports;
                 char * bus;
-        } m;
+        } m = {"<Unknown>", 0, "", ""};
 
         pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
         ports = (hdrtype == 0x80) ? "2-port " : "";
@@ -1627,7 +1618,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 
         error = lpfc_alloc_sysfs_attr(phba);
         if (error)
-                goto out_kthread_stop;
+                goto out_remove_host;
 
         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
                                                         LPFC_DRIVER_NAME, phba);
@@ -1644,8 +1635,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
 
         error = lpfc_sli_hba_setup(phba);
-        if (error)
+        if (error) {
+                error = -ENODEV;
                 goto out_free_irq;
+        }
 
         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
                 spin_lock_irq(phba->host->host_lock);
@@ -1700,6 +1693,9 @@ out_free_irq:
         free_irq(phba->pcidev->irq, phba);
 out_free_sysfs_attr:
         lpfc_free_sysfs_attr(phba);
+out_remove_host:
+        fc_remove_host(phba->host);
+        scsi_remove_host(phba->host);
 out_kthread_stop:
         kthread_stop(phba->worker_thread);
 out_free_iocbq:
@@ -1721,12 +1717,14 @@ out_iounmap_slim:
 out_idr_remove:
         idr_remove(&lpfc_hba_index, phba->brd_no);
 out_put_host:
+        phba->host = NULL;
         scsi_host_put(host);
 out_release_regions:
         pci_release_regions(pdev);
 out_disable_device:
         pci_disable_device(pdev);
 out:
+        pci_set_drvdata(pdev, NULL);
         return error;
 }
 
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index c585e2b2e589..e42f22aaf71b 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -200,6 +200,9 @@ lpfc_init_link(struct lpfc_hba * phba,
                 break;
         }
 
+        /* Enable asynchronous ABTS responses from firmware */
+        mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
+
         /* NEW_FEATURE
          * Setting up the link speed
          */
@@ -292,36 +295,6 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb)
         return;
 }
 
-/***********************************************/
-
-/*                  command to write slim      */
-/***********************************************/
-void
-lpfc_set_slim(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t addr,
-              uint32_t value)
-{
-        MAILBOX_t *mb;
-
-        mb = &pmb->mb;
-        memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
-
-        /* addr = 0x090597 is AUTO ABTS disable for ELS commands */
-        /* addr = 0x052198 is DELAYED ABTS enable for ELS commands */
-
-        /*
-         * Always turn on DELAYED ABTS for ELS timeouts
-         */
-        if ((addr == 0x052198) && (value == 0))
-                value = 1;
-
-        mb->un.varWords[0] = addr;
-        mb->un.varWords[1] = value;
-
-        mb->mbxCommand = MBX_SET_SLIM;
-        mb->mbxOwner = OWN_HOST;
-        return;
-}
-
 /**********************************************/
 /*  lpfc_read_nv  Issue a READ CONFIG         */
 /*                mailbox command             */
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 3d77bd999b70..27d60ad897cd 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -465,14 +465,18 @@ lpfc_rcv_padisc(struct lpfc_hba * phba,
 static int
 lpfc_rcv_logo(struct lpfc_hba * phba,
                       struct lpfc_nodelist * ndlp,
-                      struct lpfc_iocbq *cmdiocb)
+                      struct lpfc_iocbq *cmdiocb,
+                      uint32_t els_cmd)
 {
         /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */
         /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
          * PLOGIs during LOGO storms from a device.
          */
         ndlp->nlp_flag |= NLP_LOGO_ACC;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        if (els_cmd == ELS_CMD_PRLO)
+                lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
+        else
+                lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
 
         if (!(ndlp->nlp_type & NLP_FABRIC) ||
                 (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
@@ -681,7 +685,7 @@ lpfc_rcv_logo_plogi_issue(struct lpfc_hba * phba,
         /* software abort outstanding PLOGI */
         lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -788,10 +792,6 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
         if (lpfc_reg_login
             (phba, irsp->un.elsreq64.remoteID,
              (uint8_t *) sp, mbox, 0) == 0) {
-                /* set_slim mailbox command needs to
-                 * execute first, queue this command to
-                 * be processed later.
-                 */
                 switch (ndlp->nlp_DID) {
                 case NameServer_DID:
                         mbox->mbox_cmpl =
@@ -832,11 +832,17 @@ static uint32_t
 lpfc_device_rm_plogi_issue(struct lpfc_hba * phba,
                            struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
-        /* software abort outstanding PLOGI */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding PLOGI */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -851,7 +857,7 @@ lpfc_device_recov_plogi_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
 
         return ndlp->nlp_state;
@@ -905,7 +911,7 @@ lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba,
         /* software abort outstanding ADISC */
         lpfc_els_abort(phba, ndlp, 0);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -932,7 +938,7 @@ lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba,
         cmdiocb = (struct lpfc_iocbq *) arg;
 
         /* Treat like rcv logo */
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
         return ndlp->nlp_state;
 }
 
@@ -987,11 +993,17 @@ lpfc_device_rm_adisc_issue(struct lpfc_hba * phba,
                             struct lpfc_nodelist * ndlp, void *arg,
                             uint32_t evt)
 {
-        /* software abort outstanding ADISC */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding ADISC */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -1006,7 +1018,7 @@ lpfc_device_recov_adisc_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         ndlp->nlp_flag |= NLP_NPR_ADISC;
         spin_unlock_irq(phba->host->host_lock);
 
@@ -1048,7 +1060,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1073,7 +1085,7 @@ lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba,
         struct lpfc_iocbq *cmdiocb;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1133,8 +1145,14 @@ lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba,
                               struct lpfc_nodelist * ndlp, void *arg,
                               uint32_t evt)
 {
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -1146,7 +1164,7 @@ lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         return ndlp->nlp_state;
 }
@@ -1186,7 +1204,7 @@ lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba,
         /* Software abort outstanding PRLI before sending acc */
         lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1214,7 +1232,7 @@ lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba,
         struct lpfc_iocbq *cmdiocb;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1278,11 +1296,17 @@ static uint32_t
 lpfc_device_rm_prli_issue(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
-        /* software abort outstanding PRLI */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding PLOGI */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 
@@ -1313,7 +1337,7 @@ lpfc_device_recov_prli_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         return ndlp->nlp_state;
 }
@@ -1351,7 +1375,7 @@ lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1375,7 +1399,7 @@ lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1386,7 +1410,7 @@ lpfc_device_recov_unmap_node(struct lpfc_hba * phba,
         ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE;
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         lpfc_disc_set_adisc(phba, ndlp);
 
         return ndlp->nlp_state;
@@ -1424,7 +1448,7 @@ lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1456,7 +1480,7 @@ lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba,
         spin_unlock_irq(phba->host->host_lock);
 
         /* Treat like rcv logo */
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
         return ndlp->nlp_state;
 }
 
@@ -1469,7 +1493,7 @@ lpfc_device_recov_mapped_node(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         lpfc_disc_set_adisc(phba, ndlp);
         return ndlp->nlp_state;
@@ -1551,7 +1575,7 @@ lpfc_rcv_logo_npr_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1617,9 +1641,16 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1628,9 +1659,16 @@ lpfc_cmpl_prli_npr_node(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1649,9 +1687,16 @@ lpfc_cmpl_adisc_npr_node(struct lpfc_hba * phba,
                             uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1668,7 +1713,12 @@ lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba,
 
         if (!mb->mbxStatus)
                 ndlp->nlp_rpi = mb->un.varWords[0];
-
+        else {
+                if (ndlp->nlp_flag & NLP_NODEV_REMOVE) {
+                        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                        return NLP_STE_FREED_NODE;
+                }
+        }
         return ndlp->nlp_state;
 }
 
@@ -1677,6 +1727,10 @@ lpfc_device_rm_npr_node(struct lpfc_hba * phba,
                             struct lpfc_nodelist * ndlp, void *arg,
                             uint32_t evt)
 {
+        if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
         lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
         return NLP_STE_FREED_NODE;
 }
@@ -1687,7 +1741,7 @@ lpfc_device_recov_npr_node(struct lpfc_hba * phba,
                             uint32_t evt)
 {
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         if (ndlp->nlp_flag & NLP_DELAY_TMO) {
                 lpfc_cancel_retry_delay_tmo(phba, ndlp);
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index f93799873721..7dc4c2e6bed2 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -629,8 +629,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
         struct lpfc_iocbq *piocbq;
         IOCB_t *piocb;
         struct fcp_cmnd *fcp_cmnd;
-        struct scsi_device *scsi_dev = lpfc_cmd->pCmd->device;
-        struct lpfc_rport_data *rdata = scsi_dev->hostdata;
+        struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
         struct lpfc_nodelist *ndlp = rdata->pnode;
 
         if ((ndlp == NULL) || (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
@@ -665,56 +664,18 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
                 piocb->ulpTimeout = lpfc_cmd->timeout;
         }
 
-        lpfc_cmd->rdata = rdata;
-
-        switch (task_mgmt_cmd) {
-        case FCP_LUN_RESET:
-                /* Issue LUN Reset to TGT <num> LUN <num> */
-                lpfc_printf_log(phba,
-                                KERN_INFO,
-                                LOG_FCP,
-                                "%d:0703 Issue LUN Reset to TGT %d LUN %d "
-                                "Data: x%x x%x\n",
-                                phba->brd_no,
-                                scsi_dev->id, scsi_dev->lun,
-                                ndlp->nlp_rpi, ndlp->nlp_flag);
-
-                break;
-        case FCP_ABORT_TASK_SET:
-                /* Issue Abort Task Set to TGT <num> LUN <num> */
-                lpfc_printf_log(phba,
-                                KERN_INFO,
-                                LOG_FCP,
-                                "%d:0701 Issue Abort Task Set to TGT %d LUN %d "
-                                "Data: x%x x%x\n",
-                                phba->brd_no,
-                                scsi_dev->id, scsi_dev->lun,
-                                ndlp->nlp_rpi, ndlp->nlp_flag);
-
-                break;
-        case FCP_TARGET_RESET:
-                /* Issue Target Reset to TGT <num> */
-                lpfc_printf_log(phba,
-                                KERN_INFO,
-                                LOG_FCP,
-                                "%d:0702 Issue Target Reset to TGT %d "
-                                "Data: x%x x%x\n",
-                                phba->brd_no,
-                                scsi_dev->id, ndlp->nlp_rpi,
-                                ndlp->nlp_flag);
-                break;
-        }
-
         return (1);
 }
 
 static int
-lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba)
+lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba,
+                    unsigned  tgt_id, struct lpfc_rport_data *rdata)
 {
         struct lpfc_iocbq *iocbq;
         struct lpfc_iocbq *iocbqrsp;
         int ret;
 
+        lpfc_cmd->rdata = rdata;
         ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_TARGET_RESET);
         if (!ret)
                 return FAILED;
@@ -726,6 +687,13 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba)
         if (!iocbqrsp)
                 return FAILED;
 
+        /* Issue Target Reset to TGT <num> */
+        lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+                        "%d:0702 Issue Target Reset to TGT %d "
+                        "Data: x%x x%x\n",
+                        phba->brd_no, tgt_id, rdata->pnode->nlp_rpi,
+                        rdata->pnode->nlp_flag);
+
         ret = lpfc_sli_issue_iocb_wait(phba,
                                        &phba->sli.ring[phba->sli.fcp_ring],
                                        iocbq, iocbqrsp, lpfc_cmd->timeout);
@@ -1021,6 +989,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
         lpfc_cmd->pCmd = cmnd;
         lpfc_cmd->timeout = 60;
         lpfc_cmd->scsi_hba = phba;
+        lpfc_cmd->rdata = rdata;
 
         ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_LUN_RESET);
         if (!ret)
@@ -1033,6 +1002,11 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
         if (iocbqrsp == NULL)
                 goto out_free_scsi_buf;
 
+        lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+                        "%d:0703 Issue LUN Reset to TGT %d LUN %d "
+                        "Data: x%x x%x\n", phba->brd_no, cmnd->device->id,
+                        cmnd->device->lun, pnode->nlp_rpi, pnode->nlp_flag);
+
         ret = lpfc_sli_issue_iocb_wait(phba,
                                        &phba->sli.ring[phba->sli.fcp_ring],
                                        iocbq, iocbqrsp, lpfc_cmd->timeout);
@@ -1104,7 +1078,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
         int match;
         int ret = FAILED, i, err_count = 0;
         int cnt, loopcnt;
-        unsigned int midlayer_id = 0;
         struct lpfc_scsi_buf * lpfc_cmd;
 
         lpfc_block_requests(phba);
@@ -1124,7 +1097,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
          * targets known to the driver.  Should any target reset
          * fail, this routine returns failure to the midlayer.
          */
-        midlayer_id = cmnd->device->id;
         for (i = 0; i < MAX_FCP_TARGET; i++) {
                 /* Search the mapped list for this target ID */
                 match = 0;
@@ -1137,9 +1109,8 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
                 if (!match)
                         continue;
 
-                lpfc_cmd->pCmd->device->id = i;
-                lpfc_cmd->pCmd->device->hostdata = ndlp->rport->dd_data;
-                ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba);
+                ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba,
+                                          i, ndlp->rport->dd_data);
                 if (ret != SUCCESS) {
                         lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
                                 "%d:0713 Bus Reset on target %d failed\n",
@@ -1158,7 +1129,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
          * the targets.  Unfortunately, some targets do not abide by
          * this forcing the driver to double check.
          */
-        cmnd->device->id = midlayer_id;
         cnt = lpfc_sli_sum_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
                                 0, 0, LPFC_CTX_HOST);
         if (cnt)
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 4cf1366108b7..6b737568b831 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.1.4"
+#define LPFC_DRIVER_VERSION "8.1.6"
 
 #define LPFC_DRIVER_NAME "lpfc"
 
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 80b68a2481b3..de35ffe2f79d 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4471,7 +4471,6 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru)
 {
         Scsi_Cmnd       *scmd;
         struct  scsi_device *sdev;
-        unsigned long   flags = 0;
         scb_t   *scb;
         int     rval;
 
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index c11e5ce6865e..bec1424eda85 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -10,7 +10,7 @@
  *         2 of the License, or (at your option) any later version.
  *
  * FILE         : megaraid_mbox.c
- * Version      : v2.20.4.7 (Nov 14 2005)
+ * Version      : v2.20.4.8 (Apr 11 2006)
  *
  * Authors:
  *      Atul Mukker             <Atul.Mukker@lsil.com>
@@ -2278,6 +2278,7 @@ megaraid_mbox_dpc(unsigned long devp)
         unsigned long           flags;
         uint8_t                 c;
         int                     status;
+        uioc_t                  *kioc;
 
 
         if (!adapter) return;
@@ -2320,6 +2321,9 @@ megaraid_mbox_dpc(unsigned long devp)
                         // remove from local clist
                         list_del_init(&scb->list);
 
+                        kioc                    = (uioc_t *)scb->gp;
+                        kioc->status            = 0;
+
                         megaraid_mbox_mm_done(adapter, scb);
 
                         continue;
@@ -2636,6 +2640,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
         int             recovery_window;
         int             recovering;
         int             i;
+        uioc_t          *kioc;
 
         adapter         = SCP2ADAPTER(scp);
         raid_dev        = ADAP2RAIDDEV(adapter);
@@ -2655,32 +2660,51 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
         // Also, reset all the commands currently owned by the driver
         spin_lock_irqsave(PENDING_LIST_LOCK(adapter), flags);
         list_for_each_entry_safe(scb, tmp, &adapter->pend_list, list) {
-
                 list_del_init(&scb->list);      // from pending list
 
-                con_log(CL_ANN, (KERN_WARNING
-                        "megaraid: %ld:%d[%d:%d], reset from pending list\n",
-                                scp->serial_number, scb->sno,
-                                scb->dev_channel, scb->dev_target));
+                if (scb->sno >= MBOX_MAX_SCSI_CMDS) {
+                        con_log(CL_ANN, (KERN_WARNING
+                        "megaraid: IOCTL packet with %d[%d:%d] being reset\n",
+                        scb->sno, scb->dev_channel, scb->dev_target));
 
-                scp->result = (DID_RESET << 16);
-                scp->scsi_done(scp);
+                        scb->status = -1;
 
-                megaraid_dealloc_scb(adapter, scb);
+                        kioc                    = (uioc_t *)scb->gp;
+                        kioc->status            = -EFAULT;
+
+                        megaraid_mbox_mm_done(adapter, scb);
+                } else {
+                        if (scb->scp == scp) {  // Found command
+                                con_log(CL_ANN, (KERN_WARNING
+                                        "megaraid: %ld:%d[%d:%d], reset from pending list\n",
+                                        scp->serial_number, scb->sno,
+                                        scb->dev_channel, scb->dev_target));
+                        } else {
+                                con_log(CL_ANN, (KERN_WARNING
+                                "megaraid: IO packet with %d[%d:%d] being reset\n",
+                                scb->sno, scb->dev_channel, scb->dev_target));
+                        }
+
+                        scb->scp->result = (DID_RESET << 16);
+                        scb->scp->scsi_done(scb->scp);
+
+                        megaraid_dealloc_scb(adapter, scb);
+                }
         }
         spin_unlock_irqrestore(PENDING_LIST_LOCK(adapter), flags);
 
         if (adapter->outstanding_cmds) {
                 con_log(CL_ANN, (KERN_NOTICE
                         "megaraid: %d outstanding commands. Max wait %d sec\n",
-                        adapter->outstanding_cmds, MBOX_RESET_WAIT));
+                        adapter->outstanding_cmds,
+                        (MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT)));
         }
 
         recovery_window = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
 
         recovering = adapter->outstanding_cmds;
 
-        for (i = 0; i < recovery_window && adapter->outstanding_cmds; i++) {
+        for (i = 0; i < recovery_window; i++) {
 
                 megaraid_ack_sequence(adapter);
 
@@ -2689,12 +2713,11 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
                         con_log(CL_ANN, (
                         "megaraid mbox: Wait for %d commands to complete:%d\n",
                                 adapter->outstanding_cmds,
-                                MBOX_RESET_WAIT - i));
+                                (MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT) - i));
                 }
 
                 // bailout if no recovery happended in reset time
-                if ((i == MBOX_RESET_WAIT) &&
-                        (recovering == adapter->outstanding_cmds)) {
+                if (adapter->outstanding_cmds == 0) {
                         break;
                 }
 
@@ -2918,12 +2941,13 @@ mbox_post_sync_cmd_fast(adapter_t *adapter, uint8_t raw_mbox[])
         wmb();
         WRINDOOR(raid_dev, raid_dev->mbox_dma | 0x1);
 
-        for (i = 0; i < 0xFFFFF; i++) {
+        for (i = 0; i < MBOX_SYNC_WAIT_CNT; i++) {
                 if (mbox->numstatus != 0xFF) break;
                 rmb();
+                udelay(MBOX_SYNC_DELAY_200);
         }
 
-        if (i == 0xFFFFF) {
+        if (i == MBOX_SYNC_WAIT_CNT) {
                 // We may need to re-calibrate the counter
                 con_log(CL_ANN, (KERN_CRIT
                         "megaraid: fast sync command timed out\n"));
@@ -3475,7 +3499,7 @@ megaraid_cmm_register(adapter_t *adapter)
         adp.drvr_data           = (unsigned long)adapter;
         adp.pdev                = adapter->pdev;
         adp.issue_uioc          = megaraid_mbox_mm_handler;
-        adp.timeout             = 300;
+        adp.timeout             = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
         adp.max_kioc            = MBOX_MAX_USER_CMDS;
 
         if ((rval = mraid_mm_register_adp(&adp)) != 0) {
@@ -3702,7 +3726,6 @@ megaraid_mbox_mm_done(adapter_t *adapter, scb_t *scb)
         unsigned long           flags;
 
         kioc                    = (uioc_t *)scb->gp;
-        kioc->status            = 0;
         mbox64                  = (mbox64_t *)(unsigned long)kioc->cmdbuf;
         mbox64->mbox32.status   = scb->status;
         raw_mbox                = (uint8_t *)&mbox64->mbox32;
diff --git a/drivers/scsi/megaraid/megaraid_mbox.h b/drivers/scsi/megaraid/megaraid_mbox.h
index 882fb1a0b575..868fb0ec93e7 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.h
+++ b/drivers/scsi/megaraid/megaraid_mbox.h
@@ -21,8 +21,8 @@
 #include "megaraid_ioctl.h"
 
 
-#define MEGARAID_VERSION        "2.20.4.7"
-#define MEGARAID_EXT_VERSION    "(Release Date: Mon Nov 14 12:27:22 EST 2005)"
+#define MEGARAID_VERSION        "2.20.4.8"
+#define MEGARAID_EXT_VERSION    "(Release Date: Mon Apr 11 12:27:22 EST 2006)"
 
 
 /*
@@ -100,6 +100,9 @@
 #define MBOX_BUSY_WAIT          10      // max usec to wait for busy mailbox
 #define MBOX_RESET_WAIT         180     // wait these many seconds in reset
 #define MBOX_RESET_EXT_WAIT     120     // extended wait reset
+#define MBOX_SYNC_WAIT_CNT      0xFFFF  // wait loop index for synchronous mode
+
+#define MBOX_SYNC_DELAY_200     200     // 200 micro-seconds
 
 /*
  * maximum transfer that can happen through the firmware commands issued
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 8f3ce0432295..e8f534fb336b 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -898,10 +898,8 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
 
         adapter = kmalloc(sizeof(mraid_mmadp_t), GFP_KERNEL);
 
-        if (!adapter) {
-                rval = -ENOMEM;
-                goto memalloc_error;
-        }
+        if (!adapter)
+                return -ENOMEM;
 
         memset(adapter, 0, sizeof(mraid_mmadp_t));
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 017729c59a49..584fe5d8e507 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -599,6 +599,7 @@ qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 *    Either SUCCESS or FAILED.
 *
 * Note:
+*    Only return FAILED if command not returned by firmware.
 **************************************************************************/
 int
 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
@@ -609,11 +610,12 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
         unsigned int id, lun;
         unsigned long serial;
         unsigned long flags;
+        int wait = 0;
 
         if (!CMD_SP(cmd))
-                return FAILED;
+                return SUCCESS;
 
-        ret = FAILED;
+        ret = SUCCESS;
 
         id = cmd->device->id;
         lun = cmd->device->lun;
@@ -642,7 +644,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
                 } else {
                         DEBUG3(printk("%s(%ld): abort_command "
                             "mbx success.\n", __func__, ha->host_no));
-                        ret = SUCCESS;
+                        wait = 1;
                 }
                 spin_lock_irqsave(&ha->hardware_lock, flags);
 
@@ -651,17 +653,18 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
         /* Wait for the command to be returned. */
-        if (ret == SUCCESS) {
+        if (wait) {
                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
                         qla_printk(KERN_ERR, ha,
                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
                             "%x.\n", ha->host_no, id, lun, serial, ret);
+                        ret = FAILED;
                 }
         }
 
         qla_printk(KERN_INFO, ha,
-            "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no,
-            id, lun, serial, ret);
+            "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
+            ha->host_no, id, lun, wait, serial, ret);
 
         return ret;
 }
@@ -1700,8 +1703,8 @@ qla2x00_free_device(scsi_qla_host_t *ha)
         ha->flags.online = 0;
 
         /* Detach interrupts */
-        if (ha->pdev->irq)
-                free_irq(ha->pdev->irq, ha);
+        if (ha->host->irq)
+                free_irq(ha->host->irq, ha);
 
         /* release io space registers  */
         if (ha->iobase)
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index c750d3399a97..941c1e15c899 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -56,6 +56,8 @@ static struct {
         {"DENON", "DRD-25X", "V", BLIST_NOLUN},                 /* locks up */
         {"HITACHI", "DK312C", "CM81", BLIST_NOLUN},     /* responds to all lun */
         {"HITACHI", "DK314C", "CR21", BLIST_NOLUN},     /* responds to all lun */
+        {"IBM", "2104-DU3", NULL, BLIST_NOLUN},         /* locks up */
+        {"IBM", "2104-TU3", NULL, BLIST_NOLUN},         /* locks up */
         {"IMS", "CDD521/10", "2.06", BLIST_NOLUN},      /* locks up */
         {"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN},     /* locks up */
         {"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN},     /* locks up */
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7b0f9a3810d2..764a8b375ead 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1067,16 +1067,29 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes,
                         break;
                 case NOT_READY:
                         /*
-                         * If the device is in the process of becoming ready,
-                         * retry.
+                         * If the device is in the process of becoming
+                         * ready, or has a temporary blockage, retry.
                          */
-                        if (sshdr.asc == 0x04 && sshdr.ascq == 0x01) {
-                                scsi_requeue_command(q, cmd);
-                                return;
+                        if (sshdr.asc == 0x04) {
+                                switch (sshdr.ascq) {
+                                case 0x01: /* becoming ready */
+                                case 0x04: /* format in progress */
+                                case 0x05: /* rebuild in progress */
+                                case 0x06: /* recalculation in progress */
+                                case 0x07: /* operation in progress */
+                                case 0x08: /* Long write in progress */
+                                case 0x09: /* self test in progress */
+                                        scsi_requeue_command(q, cmd);
+                                        return;
+                                default:
+                                        break;
+                                }
                         }
-                        if (!(req->flags & REQ_QUIET))
+                        if (!(req->flags & REQ_QUIET)) {
                                 scmd_printk(KERN_INFO, cmd,
-                                           "Device not ready.\n");
+                                           "Device not ready: ");
+                                scsi_print_sense_hdr("", &sshdr);
+                        }
                         scsi_end_request(cmd, 0, this_count, 1);
                         return;
                 case VOLUME_OVERFLOW:
diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c
index 3274ab76c8d3..255886a9ac55 100644
--- a/drivers/scsi/sim710.c
+++ b/drivers/scsi/sim710.c
@@ -75,7 +75,7 @@ param_setup(char *str)
                 else if(!strncmp(pos, "id:", 3)) {
                         if(slot == -1) {
                                 printk(KERN_WARNING "sim710: Must specify slot for id parameter\n");
-                        } else if(slot > MAX_SLOTS) {
+                        } else if(slot >= MAX_SLOTS) {
                                 printk(KERN_WARNING "sim710: Illegal slot %d for id %d\n", slot, val);
                         } else {
                                 id_array[slot] = val;
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 674b15c78f68..bbf78aaf9e01 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -362,6 +362,40 @@ serial_out(struct uart_8250_port *up, int offset, int value)
 #define serial_inp(up, offset)          serial_in(up, offset)
 #define serial_outp(up, offset, value)  serial_out(up, offset, value)
 
+/* Uart divisor latch read */
+static inline int _serial_dl_read(struct uart_8250_port *up)
+{
+        return serial_inp(up, UART_DLL) | serial_inp(up, UART_DLM) << 8;
+}
+
+/* Uart divisor latch write */
+static inline void _serial_dl_write(struct uart_8250_port *up, int value)
+{
+        serial_outp(up, UART_DLL, value & 0xff);
+        serial_outp(up, UART_DLM, value >> 8 & 0xff);
+}
+
+#ifdef CONFIG_SERIAL_8250_AU1X00
+/* Au1x00 haven't got a standard divisor latch */
+static int serial_dl_read(struct uart_8250_port *up)
+{
+        if (up->port.iotype == UPIO_AU)
+                return __raw_readl(up->port.membase + 0x28);
+        else
+                return _serial_dl_read(up);
+}
+
+static void serial_dl_write(struct uart_8250_port *up, int value)
+{
+        if (up->port.iotype == UPIO_AU)
+                __raw_writel(value, up->port.membase + 0x28);
+        else
+                _serial_dl_write(up, value);
+}
+#else
+#define serial_dl_read(up) _serial_dl_read(up)
+#define serial_dl_write(up, value) _serial_dl_write(up, value)
+#endif
 
 /*
  * For the 16C950
@@ -494,7 +528,8 @@ static void disable_rsa(struct uart_8250_port *up)
  */
 static int size_fifo(struct uart_8250_port *up)
 {
-        unsigned char old_fcr, old_mcr, old_dll, old_dlm, old_lcr;
+        unsigned char old_fcr, old_mcr, old_lcr;
+        unsigned short old_dl;
         int count;
 
         old_lcr = serial_inp(up, UART_LCR);
@@ -505,10 +540,8 @@ static int size_fifo(struct uart_8250_port *up)
                     UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT);
         serial_outp(up, UART_MCR, UART_MCR_LOOP);
         serial_outp(up, UART_LCR, UART_LCR_DLAB);
-        old_dll = serial_inp(up, UART_DLL);
-        old_dlm = serial_inp(up, UART_DLM);
-        serial_outp(up, UART_DLL, 0x01);
-        serial_outp(up, UART_DLM, 0x00);
+        old_dl = serial_dl_read(up);
+        serial_dl_write(up, 0x0001);
         serial_outp(up, UART_LCR, 0x03);
         for (count = 0; count < 256; count++)
                 serial_outp(up, UART_TX, count);
@@ -519,8 +552,7 @@ static int size_fifo(struct uart_8250_port *up)
         serial_outp(up, UART_FCR, old_fcr);
         serial_outp(up, UART_MCR, old_mcr);
         serial_outp(up, UART_LCR, UART_LCR_DLAB);
-        serial_outp(up, UART_DLL, old_dll);
-        serial_outp(up, UART_DLM, old_dlm);
+        serial_dl_write(up, old_dl);
         serial_outp(up, UART_LCR, old_lcr);
 
         return count;
@@ -750,8 +782,7 @@ static void autoconfig_16550a(struct uart_8250_port *up)
 
                         serial_outp(up, UART_LCR, 0xE0);
 
-                        quot = serial_inp(up, UART_DLM) << 8;
-                        quot += serial_inp(up, UART_DLL);
+                        quot = serial_dl_read(up);
                         quot <<= 3;
 
                         status1 = serial_in(up, 0x04); /* EXCR1 */
@@ -759,8 +790,7 @@ static void autoconfig_16550a(struct uart_8250_port *up)
                         status1 |= 0x10;  /* 1.625 divisor for baud_base --> 921600 */
                         serial_outp(up, 0x04, status1);
                         
-                        serial_outp(up, UART_DLL, quot & 0xff);
-                        serial_outp(up, UART_DLM, quot >> 8);
+                        serial_dl_write(up, quot);
 
                         serial_outp(up, UART_LCR, 0);
 
@@ -1862,8 +1892,7 @@ serial8250_set_termios(struct uart_port *port, struct termios *termios,
                 serial_outp(up, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */
         }
 
-        serial_outp(up, UART_DLL, quot & 0xff);         /* LS of divisor */
-        serial_outp(up, UART_DLM, quot >> 8);           /* MS of divisor */
+        serial_dl_write(up, quot);
 
         /*
          * LCR DLAB must be set to enable 64-byte FIFO mode. If the FCR
@@ -1906,6 +1935,9 @@ static int serial8250_request_std_resource(struct uart_8250_port *up)
         int ret = 0;
 
         switch (up->port.iotype) {
+        case UPIO_AU:
+                size = 0x100000;
+                /* fall thru */
         case UPIO_MEM:
                 if (!up->port.mapbase)
                         break;
@@ -1938,6 +1970,9 @@ static void serial8250_release_std_resource(struct uart_8250_port *up)
         unsigned int size = 8 << up->port.regshift;
 
         switch (up->port.iotype) {
+        case UPIO_AU:
+                size = 0x100000;
+                /* fall thru */
         case UPIO_MEM:
                 if (!up->port.mapbase)
                         break;
@@ -2200,10 +2235,17 @@ static void
 serial8250_console_write(struct console *co, const char *s, unsigned int count)
 {
         struct uart_8250_port *up = &serial8250_ports[co->index];
+        unsigned long flags;
         unsigned int ier;
+        int locked = 1;
 
         touch_nmi_watchdog();
 
+        if (oops_in_progress) {
+                locked = spin_trylock_irqsave(&up->port.lock, flags);
+        } else
+                spin_lock_irqsave(&up->port.lock, flags);
+
         /*
          *      First save the IER then disable the interrupts
          */
@@ -2221,8 +2263,10 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
          *      and restore the IER
          */
         wait_for_xmitr(up, BOTH_EMPTY);
-        up->ier |= UART_IER_THRI;
-        serial_out(up, UART_IER, ier | UART_IER_THRI);
+        serial_out(up, UART_IER, ier);
+
+        if (locked)
+                spin_unlock_irqrestore(&up->port.lock, flags);
 }
 
 static int serial8250_console_setup(struct console *co, char *options)
diff --git a/drivers/serial/8250_au1x00.c b/drivers/serial/8250_au1x00.c
index 3d1bfd07208d..58015fd14be9 100644
--- a/drivers/serial/8250_au1x00.c
+++ b/drivers/serial/8250_au1x00.c
@@ -30,13 +30,12 @@
         {                                               \
                 .iobase         = _base,                \
                 .membase        = (void __iomem *)_base,\
-                .mapbase        = _base,                \
+                .mapbase        = CPHYSADDR(_base),     \
                 .irq            = _irq,                 \
                 .uartclk        = 0,    /* filled */    \
                 .regshift       = 2,                    \
                 .iotype         = UPIO_AU,              \
-                .flags          = UPF_SKIP_TEST |       \
-                                  UPF_IOREMAP,          \
+                .flags          = UPF_SKIP_TEST         \
         }
 
 static struct plat_serial8250_port au1x00_data[] = {
diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h
index aa5eb7ddeda9..3b35cb779539 100644
--- a/drivers/serial/cpm_uart/cpm_uart.h
+++ b/drivers/serial/cpm_uart/cpm_uart.h
@@ -5,6 +5,13 @@
  *
  *  Copyright (C) 2004 Freescale Semiconductor, Inc.
  *
+ *  2006 (c) MontaVista Software, Inc.
+ *      Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
  */
 #ifndef CPM_UART_H
 #define CPM_UART_H
@@ -101,12 +108,13 @@ static inline unsigned long cpu2cpm_addr(void* addr, struct uart_cpm_port *pinfo
         int offset;
         u32 val = (u32)addr;
         /* sane check */
-        if ((val >= (u32)pinfo->mem_addr) &&
+        if (likely((val >= (u32)pinfo->mem_addr)) &&
                         (val<((u32)pinfo->mem_addr + pinfo->mem_size))) {
                 offset = val - (u32)pinfo->mem_addr;
                 return pinfo->dma_addr+offset;
         }
-        printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+        /* something nasty happened */
+        BUG();
         return 0;
 }
 
@@ -115,12 +123,13 @@ static inline void *cpm2cpu_addr(unsigned long addr, struct uart_cpm_port *pinfo
         int offset;
         u32 val = addr;
         /* sane check */
-        if ((val >= pinfo->dma_addr) &&
-                        (val<(pinfo->dma_addr + pinfo->mem_size))) {
+        if (likely((val >= pinfo->dma_addr) &&
+                        (val<(pinfo->dma_addr + pinfo->mem_size)))) {
                 offset = val - (u32)pinfo->dma_addr;
                 return (void*)(pinfo->mem_addr+offset);
         }
-        printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+        /* something nasty happened */
+        BUG();
         return 0;
 }
 
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index ced193bf9e1e..969f94900431 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -12,7 +12,8 @@
  *
  *  Copyright (C) 2004 Freescale Semiconductor, Inc.
  *            (C) 2004 Intracom, S.A.
- *            (C) 2005 MontaVista Software, Inc. by Vitaly Bordug <vbordug@ru.mvista.com>
+ *            (C) 2005-2006 MontaVista Software, Inc.
+ *              Vitaly Bordug <vbordug@ru.mvista.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
@@ -81,7 +82,7 @@ early_uart_get_pdev(int index)
 }
 
 
-void cpm_uart_count(void)
+static void cpm_uart_count(void)
 {
         cpm_uart_nr = 0;
 #ifdef CONFIG_SERIAL_CPM_SMC1
@@ -104,6 +105,21 @@ void cpm_uart_count(void)
 #endif
 }
 
+/* Get UART number by its id */
+static int cpm_uart_id2nr(int id)
+{
+        int i;
+        if (id < UART_NR) {
+                for (i=0; i<UART_NR; i++) {
+                        if (cpm_uart_port_map[i] == id)
+                                return i;
+                }
+        }
+
+        /* not found or invalid argument */
+        return -1;
+}
+
 /*
  * Check, if transmit buffers are processed
 */
@@ -457,7 +473,11 @@ static void cpm_uart_shutdown(struct uart_port *port)
                 }
 
                 /* Shut them really down and reinit buffer descriptors */
-                cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+                if (IS_SMC(pinfo))
+                        cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+                else
+                        cpm_line_cr_cmd(line, CPM_CR_GRA_STOP_TX);
+
                 cpm_uart_initbd(pinfo);
         }
 }
@@ -1008,7 +1028,11 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
         int line;
         u32 mem, pram;
 
-        for (line=0; line<UART_NR && cpm_uart_port_map[line]!=pdata->fs_no; line++);
+        line = cpm_uart_id2nr(idx);
+        if(line < 0) {
+                printk(KERN_ERR"%s(): port %d is not registered", __FUNCTION__, idx);
+                return -1;
+        }
 
         pinfo = (struct uart_cpm_port *) &cpm_uart_ports[idx];
 
@@ -1241,8 +1265,7 @@ static int cpm_uart_drv_probe(struct device *dev)
         }
 
         pdata = pdev->dev.platform_data;
-        pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n",
-                        cpm_uart_port_map[pdata->fs_no]);
+        pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n", cpm_uart_id2nr(pdata->fs_no));
 
         if ((ret = cpm_uart_drv_get_platform_data(pdev, 0)))
                 return ret;
@@ -1261,7 +1284,7 @@ static int cpm_uart_drv_remove(struct device *dev)
         struct fs_uart_platform_info *pdata = pdev->dev.platform_data;
 
         pr_debug("cpm_uart_drv_remove: Removing CPM UART %d\n",
-                        cpm_uart_port_map[pdata->fs_no]);
+                        cpm_uart_id2nr(pdata->fs_no));
 
         uart_remove_one_port(&cpm_reg, &cpm_uart_ports[pdata->fs_no].port);
         return 0;
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
index a5a30622637a..17406a05ce1f 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
@@ -8,6 +8,8 @@
  *
  *  Copyright (C) 2004 Freescale Semiconductor, Inc.
  *            (C) 2004 Intracom, S.A.
+ *            (C) 2006 MontaVista Software, Inc.
+ *              Vitaly Bordug <vbordug@ru.mvista.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
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index 7c6b07aeea92..4b2de08f46d0 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -8,6 +8,8 @@
  * 
  *  Copyright (C) 2004 Freescale Semiconductor, Inc.
  *            (C) 2004 Intracom, S.A.
+ *            (C) 2006 MontaVista Software, Inc.
+ *              Vitaly Bordug <vbordug@ru.mvista.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
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index c3b7a6673e9c..d202eb4f3848 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -45,6 +45,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/hardware.h>
+#include <asm/arch/imx-uart.h>
 
 /* We've been assigned a range on the "Low-density serial ports" major */
 #define SERIAL_IMX_MAJOR        204
@@ -73,7 +74,8 @@ struct imx_port {
         struct uart_port        port;
         struct timer_list       timer;
         unsigned int            old_status;
-        int txirq,rxirq,rtsirq;
+        int                     txirq,rxirq,rtsirq;
+        int                     have_rtscts:1;
 };
 
 /*
@@ -491,8 +493,12 @@ imx_set_termios(struct uart_port *port, struct termios *termios,
                 ucr2 = UCR2_SRST | UCR2_IRTS;
 
         if (termios->c_cflag & CRTSCTS) {
-                ucr2 &= ~UCR2_IRTS;
-                ucr2 |= UCR2_CTSC;
+                if( sport->have_rtscts ) {
+                        ucr2 &= ~UCR2_IRTS;
+                        ucr2 |= UCR2_CTSC;
+                } else {
+                        termios->c_cflag &= ~CRTSCTS;
+                }
         }
 
         if (termios->c_cflag & CSTOPB)
@@ -719,27 +725,6 @@ static void __init imx_init_ports(void)
                 imx_ports[i].timer.function = imx_timeout;
                 imx_ports[i].timer.data     = (unsigned long)&imx_ports[i];
         }
-
-        imx_gpio_mode(PC9_PF_UART1_CTS);
-        imx_gpio_mode(PC10_PF_UART1_RTS);
-        imx_gpio_mode(PC11_PF_UART1_TXD);
-        imx_gpio_mode(PC12_PF_UART1_RXD);
-        imx_gpio_mode(PB28_PF_UART2_CTS);
-        imx_gpio_mode(PB29_PF_UART2_RTS);
-
-        imx_gpio_mode(PB30_PF_UART2_TXD);
-        imx_gpio_mode(PB31_PF_UART2_RXD);
-
-#if 0 /* We don't need these, on the mx1 the _modem_ side of the uart
-       * is implemented.
-       */
-        imx_gpio_mode(PD7_AF_UART2_DTR);
-        imx_gpio_mode(PD8_AF_UART2_DCD);
-        imx_gpio_mode(PD9_AF_UART2_RI);
-        imx_gpio_mode(PD10_AF_UART2_DSR);
-#endif
-
-
 }
 
 #ifdef CONFIG_SERIAL_IMX_CONSOLE
@@ -932,7 +917,14 @@ static int serial_imx_resume(struct platform_device *dev)
 
 static int serial_imx_probe(struct platform_device *dev)
 {
+        struct imxuart_platform_data *pdata;
+
         imx_ports[dev->id].port.dev = &dev->dev;
+
+        pdata = (struct imxuart_platform_data *)dev->dev.platform_data;
+        if(pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
+                imx_ports[dev->id].have_rtscts = 1;
+
         uart_add_one_port(&imx_reg, &imx_ports[dev->id].port);
         platform_set_drvdata(dev, &imx_ports[dev->id]);
         return 0;
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index fcd7744c4253..17839e753e4c 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1500,20 +1500,18 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
 static struct uart_state *uart_get(struct uart_driver *drv, int line)
 {
         struct uart_state *state;
+        int ret = 0;
 
-        mutex_lock(&port_mutex);
         state = drv->state + line;
         if (mutex_lock_interruptible(&state->mutex)) {
-                state = ERR_PTR(-ERESTARTSYS);
-                goto out;
+                ret = -ERESTARTSYS;
+                goto err;
         }
 
         state->count++;
-        if (!state->port) {
-                state->count--;
-                mutex_unlock(&state->mutex);
-                state = ERR_PTR(-ENXIO);
-                goto out;
+        if (!state->port || state->port->flags & UPF_DEAD) {
+                ret = -ENXIO;
+                goto err_unlock;
         }
 
         if (!state->info) {
@@ -1531,15 +1529,17 @@ static struct uart_state *uart_get(struct uart_driver *drv, int line)
                         tasklet_init(&state->info->tlet, uart_tasklet_action,
                                      (unsigned long)state);
                 } else {
-                        state->count--;
-                        mutex_unlock(&state->mutex);
-                        state = ERR_PTR(-ENOMEM);
+                        ret = -ENOMEM;
+                        goto err_unlock;
                 }
         }
-
- out:
-        mutex_unlock(&port_mutex);
         return state;
+
+ err_unlock:
+        state->count--;
+        mutex_unlock(&state->mutex);
+ err:
+        return ERR_PTR(ret);
 }
 
 /*
@@ -1907,9 +1907,12 @@ uart_set_options(struct uart_port *port, struct console *co,
 static void uart_change_pm(struct uart_state *state, int pm_state)
 {
         struct uart_port *port = state->port;
-        if (port->ops->pm)
-                port->ops->pm(port, pm_state, state->pm_state);
-        state->pm_state = pm_state;
+
+        if (state->pm_state != pm_state) {
+                if (port->ops->pm)
+                        port->ops->pm(port, pm_state, state->pm_state);
+                state->pm_state = pm_state;
+        }
 }
 
 int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
@@ -2085,45 +2088,6 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
         }
 }
 
-/*
- * This reverses the effects of uart_configure_port, hanging up the
- * port before removal.
- */
-static void
-uart_unconfigure_port(struct uart_driver *drv, struct uart_state *state)
-{
-        struct uart_port *port = state->port;
-        struct uart_info *info = state->info;
-
-        if (info && info->tty)
-                tty_vhangup(info->tty);
-
-        mutex_lock(&state->mutex);
-
-        state->info = NULL;
-
-        /*
-         * Free the port IO and memory resources, if any.
-         */
-        if (port->type != PORT_UNKNOWN)
-                port->ops->release_port(port);
-
-        /*
-         * Indicate that there isn't a port here anymore.
-         */
-        port->type = PORT_UNKNOWN;
-
-        /*
-         * Kill the tasklet, and free resources.
-         */
-        if (info) {
-                tasklet_kill(&info->tlet);
-                kfree(info);
-        }
-
-        mutex_unlock(&state->mutex);
-}
-
 static struct tty_operations uart_ops = {
         .open           = uart_open,
         .close          = uart_close,
@@ -2270,6 +2234,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
         state = drv->state + port->line;
 
         mutex_lock(&port_mutex);
+        mutex_lock(&state->mutex);
         if (state->port) {
                 ret = -EINVAL;
                 goto out;
@@ -2304,7 +2269,13 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
             port->cons && !(port->cons->flags & CON_ENABLED))
                 register_console(port->cons);
 
+        /*
+         * Ensure UPF_DEAD is not set.
+         */
+        port->flags &= ~UPF_DEAD;
+
  out:
+        mutex_unlock(&state->mutex);
         mutex_unlock(&port_mutex);
 
         return ret;
@@ -2322,6 +2293,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
 int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
 {
         struct uart_state *state = drv->state + port->line;
+        struct uart_info *info;
 
         BUG_ON(in_interrupt());
 
@@ -2332,11 +2304,48 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
         mutex_lock(&port_mutex);
 
         /*
+         * Mark the port "dead" - this prevents any opens from
+         * succeeding while we shut down the port.
+         */
+        mutex_lock(&state->mutex);
+        port->flags |= UPF_DEAD;
+        mutex_unlock(&state->mutex);
+
+        /*
          * Remove the devices from devfs
          */
         tty_unregister_device(drv->tty_driver, port->line);
 
-        uart_unconfigure_port(drv, state);
+        info = state->info;
+        if (info && info->tty)
+                tty_vhangup(info->tty);
+
+        /*
+         * All users of this port should now be disconnected from
+         * this driver, and the port shut down.  We should be the
+         * only thread fiddling with this port from now on.
+         */
+        state->info = NULL;
+
+        /*
+         * Free the port IO and memory resources, if any.
+         */
+        if (port->type != PORT_UNKNOWN)
+                port->ops->release_port(port);
+
+        /*
+         * Indicate that there isn't a port here anymore.
+         */
+        port->type = PORT_UNKNOWN;
+
+        /*
+         * Kill the tasklet, and free resources.
+         */
+        if (info) {
+                tasklet_kill(&info->tlet);
+                kfree(info);
+        }
+
         state->port = NULL;
         mutex_unlock(&port_mutex);
 
diff --git a/drivers/sn/ioc4.c b/drivers/sn/ioc4.c
index 67140a5804f5..cdeff909403e 100644
--- a/drivers/sn/ioc4.c
+++ b/drivers/sn/ioc4.c
@@ -310,7 +310,7 @@ ioc4_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
         pci_set_drvdata(idd->idd_pdev, idd);
 
         mutex_lock(&ioc4_mutex);
-        list_add(&idd->idd_list, &ioc4_devices);
+        list_add_tail(&idd->idd_list, &ioc4_devices);
 
         /* Add this IOC4 to all submodules */
         list_for_each_entry(is, &ioc4_submodules, is_list) {
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 7a75faeb0526..9ce1d01469b1 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -75,6 +75,14 @@ config SPI_BUTTERFLY
           inexpensive battery powered microcontroller evaluation board.
           This same cable can be used to flash new firmware.
 
+config SPI_PXA2XX
+        tristate "PXA2xx SSP SPI master"
+        depends on SPI_MASTER && ARCH_PXA && EXPERIMENTAL
+        help
+          This enables using a PXA2xx SSP port as a SPI master controller.
+          The driver can be configured to use any SSP port and additional
+          documentation can be found a Documentation/spi/pxa2xx.
+
 #
 # Add new SPI master controllers in alphabetical order above this line
 #
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index c2c87e845abf..1bca5f95de25 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_SPI_MASTER)		+= spi.o
 # SPI master controller drivers (bus)
 obj-$(CONFIG_SPI_BITBANG)               += spi_bitbang.o
 obj-$(CONFIG_SPI_BUTTERFLY)             += spi_butterfly.o
+obj-$(CONFIG_SPI_PXA2XX)                += pxa2xx_spi.o
 #       ... add above this line ...
 
 # SPI protocol drivers (device/link on bus)
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
new file mode 100644
index 000000000000..596bf820b70c
--- /dev/null
+++ b/drivers/spi/pxa2xx_spi.c
@@ -0,0 +1,1467 @@
+/*
+ * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#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/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/spi/spi.h>
+#include <linux/workqueue.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/hardware.h>
+#include <asm/delay.h>
+#include <asm/dma.h>
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx_spi.h>
+
+MODULE_AUTHOR("Stephen Street");
+MODULE_DESCRIPTION("PXA2xx SSP SPI Contoller");
+MODULE_LICENSE("GPL");
+
+#define MAX_BUSES 3
+
+#define DMA_INT_MASK (DCSR_ENDINTR | DCSR_STARTINTR | DCSR_BUSERR)
+#define RESET_DMA_CHANNEL (DCSR_NODESC | DMA_INT_MASK)
+#define IS_DMA_ALIGNED(x) (((u32)(x)&0x07)==0)
+
+#define DEFINE_SSP_REG(reg, off) \
+static inline u32 read_##reg(void *p) { return __raw_readl(p + (off)); } \
+static inline void write_##reg(u32 v, void *p) { __raw_writel(v, p + (off)); }
+
+DEFINE_SSP_REG(SSCR0, 0x00)
+DEFINE_SSP_REG(SSCR1, 0x04)
+DEFINE_SSP_REG(SSSR, 0x08)
+DEFINE_SSP_REG(SSITR, 0x0c)
+DEFINE_SSP_REG(SSDR, 0x10)
+DEFINE_SSP_REG(SSTO, 0x28)
+DEFINE_SSP_REG(SSPSP, 0x2c)
+
+#define START_STATE ((void*)0)
+#define RUNNING_STATE ((void*)1)
+#define DONE_STATE ((void*)2)
+#define ERROR_STATE ((void*)-1)
+
+#define QUEUE_RUNNING 0
+#define QUEUE_STOPPED 1
+
+struct driver_data {
+        /* Driver model hookup */
+        struct platform_device *pdev;
+
+        /* SPI framework hookup */
+        enum pxa_ssp_type ssp_type;
+        struct spi_master *master;
+
+        /* PXA hookup */
+        struct pxa2xx_spi_master *master_info;
+
+        /* DMA setup stuff */
+        int rx_channel;
+        int tx_channel;
+        u32 *null_dma_buf;
+
+        /* SSP register addresses */
+        void *ioaddr;
+        u32 ssdr_physical;
+
+        /* SSP masks*/
+        u32 dma_cr1;
+        u32 int_cr1;
+        u32 clear_sr;
+        u32 mask_sr;
+
+        /* Driver message queue */
+        struct workqueue_struct *workqueue;
+        struct work_struct pump_messages;
+        spinlock_t lock;
+        struct list_head queue;
+        int busy;
+        int run;
+
+        /* Message Transfer pump */
+        struct tasklet_struct pump_transfers;
+
+        /* Current message transfer state info */
+        struct spi_message* cur_msg;
+        struct spi_transfer* cur_transfer;
+        struct chip_data *cur_chip;
+        size_t len;
+        void *tx;
+        void *tx_end;
+        void *rx;
+        void *rx_end;
+        int dma_mapped;
+        dma_addr_t rx_dma;
+        dma_addr_t tx_dma;
+        size_t rx_map_len;
+        size_t tx_map_len;
+        u8 n_bytes;
+        u32 dma_width;
+        int cs_change;
+        void (*write)(struct driver_data *drv_data);
+        void (*read)(struct driver_data *drv_data);
+        irqreturn_t (*transfer_handler)(struct driver_data *drv_data);
+        void (*cs_control)(u32 command);
+};
+
+struct chip_data {
+        u32 cr0;
+        u32 cr1;
+        u32 to;
+        u32 psp;
+        u32 timeout;
+        u8 n_bytes;
+        u32 dma_width;
+        u32 dma_burst_size;
+        u32 threshold;
+        u32 dma_threshold;
+        u8 enable_dma;
+        u8 bits_per_word;
+        u32 speed_hz;
+        void (*write)(struct driver_data *drv_data);
+        void (*read)(struct driver_data *drv_data);
+        void (*cs_control)(u32 command);
+};
+
+static void pump_messages(void *data);
+
+static int flush(struct driver_data *drv_data)
+{
+        unsigned long limit = loops_per_jiffy << 1;
+
+        void *reg = drv_data->ioaddr;
+
+        do {
+                while (read_SSSR(reg) & SSSR_RNE) {
+                        read_SSDR(reg);
+                }
+        } while ((read_SSSR(reg) & SSSR_BSY) && limit--);
+        write_SSSR(SSSR_ROR, reg);
+
+        return limit;
+}
+
+static void restore_state(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+
+        /* Clear status and disable clock */
+        write_SSSR(drv_data->clear_sr, reg);
+        write_SSCR0(drv_data->cur_chip->cr0 & ~SSCR0_SSE, reg);
+
+        /* Load the registers */
+        write_SSCR1(drv_data->cur_chip->cr1, reg);
+        write_SSCR0(drv_data->cur_chip->cr0, reg);
+        if (drv_data->ssp_type != PXA25x_SSP) {
+                write_SSTO(0, reg);
+                write_SSPSP(drv_data->cur_chip->psp, reg);
+        }
+}
+
+static void null_cs_control(u32 command)
+{
+}
+
+static void null_writer(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+        u8 n_bytes = drv_data->n_bytes;
+
+        while ((read_SSSR(reg) & SSSR_TNF)
+                        && (drv_data->tx < drv_data->tx_end)) {
+                write_SSDR(0, reg);
+                drv_data->tx += n_bytes;
+        }
+}
+
+static void null_reader(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+        u8 n_bytes = drv_data->n_bytes;
+
+        while ((read_SSSR(reg) & SSSR_RNE)
+                        && (drv_data->rx < drv_data->rx_end)) {
+                read_SSDR(reg);
+                drv_data->rx += n_bytes;
+        }
+}
+
+static void u8_writer(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+
+        while ((read_SSSR(reg) & SSSR_TNF)
+                        && (drv_data->tx < drv_data->tx_end)) {
+                write_SSDR(*(u8 *)(drv_data->tx), reg);
+                ++drv_data->tx;
+        }
+}
+
+static void u8_reader(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+
+        while ((read_SSSR(reg) & SSSR_RNE)
+                        && (drv_data->rx < drv_data->rx_end)) {
+                *(u8 *)(drv_data->rx) = read_SSDR(reg);
+                ++drv_data->rx;
+        }
+}
+
+static void u16_writer(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+
+        while ((read_SSSR(reg) & SSSR_TNF)
+                        && (drv_data->tx < drv_data->tx_end)) {
+                write_SSDR(*(u16 *)(drv_data->tx), reg);
+                drv_data->tx += 2;
+        }
+}
+
+static void u16_reader(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+
+        while ((read_SSSR(reg) & SSSR_RNE)
+                        && (drv_data->rx < drv_data->rx_end)) {
+                *(u16 *)(drv_data->rx) = read_SSDR(reg);
+                drv_data->rx += 2;
+        }
+}
+static void u32_writer(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+
+        while ((read_SSSR(reg) & SSSR_TNF)
+                        && (drv_data->tx < drv_data->tx_end)) {
+                write_SSDR(*(u32 *)(drv_data->tx), reg);
+                drv_data->tx += 4;
+        }
+}
+
+static void u32_reader(struct driver_data *drv_data)
+{
+        void *reg = drv_data->ioaddr;
+
+        while ((read_SSSR(reg) & SSSR_RNE)
+                        && (drv_data->rx < drv_data->rx_end)) {
+                *(u32 *)(drv_data->rx) = read_SSDR(reg);
+                drv_data->rx += 4;
+        }
+}
+
+static void *next_transfer(struct driver_data *drv_data)
+{
+        struct spi_message *msg = drv_data->cur_msg;
+        struct spi_transfer *trans = drv_data->cur_transfer;
+
+        /* Move to next transfer */
+        if (trans->transfer_list.next != &msg->transfers) {
+                drv_data->cur_transfer =
+                        list_entry(trans->transfer_list.next,
+                                        struct spi_transfer,
+                                        transfer_list);
+                return RUNNING_STATE;
+        } else
+                return DONE_STATE;
+}
+
+static int map_dma_buffers(struct driver_data *drv_data)
+{
+        struct spi_message *msg = drv_data->cur_msg;
+        struct device *dev = &msg->spi->dev;
+
+        if (!drv_data->cur_chip->enable_dma)
+                return 0;
+
+        if (msg->is_dma_mapped)
+                return  drv_data->rx_dma && drv_data->tx_dma;
+
+        if (!IS_DMA_ALIGNED(drv_data->rx) || !IS_DMA_ALIGNED(drv_data->tx))
+                return 0;
+
+        /* Modify setup if rx buffer is null */
+        if (drv_data->rx == NULL) {
+                *drv_data->null_dma_buf = 0;
+                drv_data->rx = drv_data->null_dma_buf;
+                drv_data->rx_map_len = 4;
+        } else
+                drv_data->rx_map_len = drv_data->len;
+
+
+        /* Modify setup if tx buffer is null */
+        if (drv_data->tx == NULL) {
+                *drv_data->null_dma_buf = 0;
+                drv_data->tx = drv_data->null_dma_buf;
+                drv_data->tx_map_len = 4;
+        } else
+                drv_data->tx_map_len = drv_data->len;
+
+        /* Stream map the rx buffer */
+        drv_data->rx_dma = dma_map_single(dev, drv_data->rx,
+                                                drv_data->rx_map_len,
+                                                DMA_FROM_DEVICE);
+        if (dma_mapping_error(drv_data->rx_dma))
+                return 0;
+
+        /* Stream map the tx buffer */
+        drv_data->tx_dma = dma_map_single(dev, drv_data->tx,
+                                                drv_data->tx_map_len,
+                                                DMA_TO_DEVICE);
+
+        if (dma_mapping_error(drv_data->tx_dma)) {
+                dma_unmap_single(dev, drv_data->rx_dma,
+                                        drv_data->rx_map_len, DMA_FROM_DEVICE);
+                return 0;
+        }
+
+        return 1;
+}
+
+static void unmap_dma_buffers(struct driver_data *drv_data)
+{
+        struct device *dev;
+
+        if (!drv_data->dma_mapped)
+                return;
+
+        if (!drv_data->cur_msg->is_dma_mapped) {
+                dev = &drv_data->cur_msg->spi->dev;
+                dma_unmap_single(dev, drv_data->rx_dma,
+                                        drv_data->rx_map_len, DMA_FROM_DEVICE);
+                dma_unmap_single(dev, drv_data->tx_dma,
+                                        drv_data->tx_map_len, DMA_TO_DEVICE);
+        }
+
+        drv_data->dma_mapped = 0;
+}
+
+/* caller already set message->status; dma and pio irqs are blocked */
+static void giveback(struct spi_message *message, struct driver_data *drv_data)
+{
+        struct spi_transfer* last_transfer;
+
+        last_transfer = list_entry(message->transfers.prev,
+                                        struct spi_transfer,
+                                        transfer_list);
+
+        if (!last_transfer->cs_change)
+                drv_data->cs_control(PXA2XX_CS_DEASSERT);
+
+        message->state = NULL;
+        if (message->complete)
+                message->complete(message->context);
+
+        drv_data->cur_msg = NULL;
+        drv_data->cur_transfer = NULL;
+        drv_data->cur_chip = NULL;
+        queue_work(drv_data->workqueue, &drv_data->pump_messages);
+}
+
+static int wait_ssp_rx_stall(void *ioaddr)
+{
+        unsigned long limit = loops_per_jiffy << 1;
+
+        while ((read_SSSR(ioaddr) & SSSR_BSY) && limit--)
+                cpu_relax();
+
+        return limit;
+}
+
+static int wait_dma_channel_stop(int channel)
+{
+        unsigned long limit = loops_per_jiffy << 1;
+
+        while (!(DCSR(channel) & DCSR_STOPSTATE) && limit--)
+                cpu_relax();
+
+        return limit;
+}
+
+static void dma_handler(int channel, void *data, struct pt_regs *regs)
+{
+        struct driver_data *drv_data = data;
+        struct spi_message *msg = drv_data->cur_msg;
+        void *reg = drv_data->ioaddr;
+        u32 irq_status = DCSR(channel) & DMA_INT_MASK;
+        u32 trailing_sssr = 0;
+
+        if (irq_status & DCSR_BUSERR) {
+
+                /* Disable interrupts, clear status and reset DMA */
+                if (drv_data->ssp_type != PXA25x_SSP)
+                        write_SSTO(0, reg);
+                write_SSSR(drv_data->clear_sr, reg);
+                write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg);
+                DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
+                DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
+
+                if (flush(drv_data) == 0)
+                        dev_err(&drv_data->pdev->dev,
+                                        "dma_handler: flush fail\n");
+
+                unmap_dma_buffers(drv_data);
+
+                if (channel == drv_data->tx_channel)
+                        dev_err(&drv_data->pdev->dev,
+                                "dma_handler: bad bus address on "
+                                "tx channel %d, source %x target = %x\n",
+                                channel, DSADR(channel), DTADR(channel));
+                else
+                        dev_err(&drv_data->pdev->dev,
+                                "dma_handler: bad bus address on "
+                                "rx channel %d, source %x target = %x\n",
+                                channel, DSADR(channel), DTADR(channel));
+
+                msg->state = ERROR_STATE;
+                tasklet_schedule(&drv_data->pump_transfers);
+        }
+
+        /* PXA255x_SSP has no timeout interrupt, wait for tailing bytes */
+        if ((drv_data->ssp_type == PXA25x_SSP)
+                && (channel == drv_data->tx_channel)
+                && (irq_status & DCSR_ENDINTR)) {
+
+                /* Wait for rx to stall */
+                if (wait_ssp_rx_stall(drv_data->ioaddr) == 0)
+                        dev_err(&drv_data->pdev->dev,
+                                "dma_handler: ssp rx stall failed\n");
+
+                /* Clear and disable interrupts on SSP and DMA channels*/
+                write_SSSR(drv_data->clear_sr, reg);
+                write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg);
+                DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
+                DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
+                if (wait_dma_channel_stop(drv_data->rx_channel) == 0)
+                        dev_err(&drv_data->pdev->dev,
+                                "dma_handler: dma rx channel stop failed\n");
+
+                unmap_dma_buffers(drv_data);
+
+                /* Read trailing bytes */
+                /* Calculate number of trailing bytes, read them */
+                trailing_sssr = read_SSSR(reg);
+                if ((trailing_sssr & 0xf008) != 0xf000) {
+                        drv_data->rx = drv_data->rx_end -
+                                        (((trailing_sssr >> 12) & 0x0f) + 1);
+                        drv_data->read(drv_data);
+                }
+                msg->actual_length += drv_data->len;
+
+                /* Release chip select if requested, transfer delays are
+                 * handled in pump_transfers */
+                if (drv_data->cs_change)
+                        drv_data->cs_control(PXA2XX_CS_DEASSERT);
+
+                /* Move to next transfer */
+                msg->state = next_transfer(drv_data);
+
+                /* Schedule transfer tasklet */
+                tasklet_schedule(&drv_data->pump_transfers);
+        }
+}
+
+static irqreturn_t dma_transfer(struct driver_data *drv_data)
+{
+        u32 irq_status;
+        u32 trailing_sssr = 0;
+        struct spi_message *msg = drv_data->cur_msg;
+        void *reg = drv_data->ioaddr;
+
+        irq_status = read_SSSR(reg) & drv_data->mask_sr;
+        if (irq_status & SSSR_ROR) {
+                /* Clear and disable interrupts on SSP and DMA channels*/
+                if (drv_data->ssp_type != PXA25x_SSP)
+                        write_SSTO(0, reg);
+                write_SSSR(drv_data->clear_sr, reg);
+                write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg);
+                DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
+                DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
+                unmap_dma_buffers(drv_data);
+
+                if (flush(drv_data) == 0)
+                        dev_err(&drv_data->pdev->dev,
+                                        "dma_transfer: flush fail\n");
+
+                dev_warn(&drv_data->pdev->dev, "dma_transfer: fifo overun\n");
+
+                drv_data->cur_msg->state = ERROR_STATE;
+                tasklet_schedule(&drv_data->pump_transfers);
+
+                return IRQ_HANDLED;
+        }
+
+        /* Check for false positive timeout */
+        if ((irq_status & SSSR_TINT) && DCSR(drv_data->tx_channel) & DCSR_RUN) {
+                write_SSSR(SSSR_TINT, reg);
+                return IRQ_HANDLED;
+        }
+
+        if (irq_status & SSSR_TINT || drv_data->rx == drv_data->rx_end) {
+
+                /* Clear and disable interrupts on SSP and DMA channels*/
+                if (drv_data->ssp_type != PXA25x_SSP)
+                        write_SSTO(0, reg);
+                write_SSSR(drv_data->clear_sr, reg);
+                write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg);
+                DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
+                DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
+
+                if (wait_dma_channel_stop(drv_data->rx_channel) == 0)
+                        dev_err(&drv_data->pdev->dev,
+                                "dma_transfer: dma rx channel stop failed\n");
+
+                if (wait_ssp_rx_stall(drv_data->ioaddr) == 0)
+                        dev_err(&drv_data->pdev->dev,
+                                "dma_transfer: ssp rx stall failed\n");
+
+                unmap_dma_buffers(drv_data);
+
+                /* Calculate number of trailing bytes, read them */
+                trailing_sssr = read_SSSR(reg);
+                if ((trailing_sssr & 0xf008) != 0xf000) {
+                        drv_data->rx = drv_data->rx_end -
+                                        (((trailing_sssr >> 12) & 0x0f) + 1);
+                        drv_data->read(drv_data);
+                }
+                msg->actual_length += drv_data->len;
+
+                /* Release chip select if requested, transfer delays are
+                 * handled in pump_transfers */
+                if (drv_data->cs_change)
+                        drv_data->cs_control(PXA2XX_CS_DEASSERT);
+
+                /* Move to next transfer */
+                msg->state = next_transfer(drv_data);
+
+                /* Schedule transfer tasklet */
+                tasklet_schedule(&drv_data->pump_transfers);
+
+                return IRQ_HANDLED;
+        }
+
+        /* Opps problem detected */
+        return IRQ_NONE;
+}
+
+static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
+{
+        u32 irq_status;
+        struct spi_message *msg = drv_data->cur_msg;
+        void *reg = drv_data->ioaddr;
+        irqreturn_t handled = IRQ_NONE;
+        unsigned long limit = loops_per_jiffy << 1;
+
+        while ((irq_status = (read_SSSR(reg) & drv_data->mask_sr))) {
+
+                if (irq_status & SSSR_ROR) {
+
+                        /* Clear and disable interrupts */
+                        if (drv_data->ssp_type != PXA25x_SSP)
+                                write_SSTO(0, reg);
+                        write_SSSR(drv_data->clear_sr, reg);
+                        write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg);
+
+                        if (flush(drv_data) == 0)
+                                dev_err(&drv_data->pdev->dev,
+                                        "interrupt_transfer: flush fail\n");
+
+                        dev_warn(&drv_data->pdev->dev,
+                                        "interrupt_transfer: fifo overun\n");
+
+                        msg->state = ERROR_STATE;
+                        tasklet_schedule(&drv_data->pump_transfers);
+
+                        return IRQ_HANDLED;
+                }
+
+                /* Look for false positive timeout */
+                if ((irq_status & SSSR_TINT)
+                                && (drv_data->rx < drv_data->rx_end))
+                        write_SSSR(SSSR_TINT, reg);
+
+                /* Pump data */
+                drv_data->read(drv_data);
+                drv_data->write(drv_data);
+
+                if (drv_data->tx == drv_data->tx_end) {
+                        /* Disable tx interrupt */
+                        write_SSCR1(read_SSCR1(reg) & ~SSCR1_TIE, reg);
+
+                        /* PXA25x_SSP has no timeout, read trailing bytes */
+                        if (drv_data->ssp_type == PXA25x_SSP) {
+                                while ((read_SSSR(reg) & SSSR_BSY) && limit--)
+                                        drv_data->read(drv_data);
+
+                                if (limit == 0)
+                                        dev_err(&drv_data->pdev->dev,
+                                                "interrupt_transfer: "
+                                                "trailing byte read failed\n");
+                        }
+                }
+
+                if ((irq_status & SSSR_TINT)
+                                || (drv_data->rx == drv_data->rx_end)) {
+
+                        /* Clear timeout */
+                        if (drv_data->ssp_type != PXA25x_SSP)
+                                write_SSTO(0, reg);
+                        write_SSSR(drv_data->clear_sr, reg);
+                        write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg);
+
+                        /* Update total byte transfered */
+                        msg->actual_length += drv_data->len;
+
+                        /* Release chip select if requested, transfer delays are
+                         * handled in pump_transfers */
+                        if (drv_data->cs_change)
+                                drv_data->cs_control(PXA2XX_CS_DEASSERT);
+
+                        /* Move to next transfer */
+                        msg->state = next_transfer(drv_data);
+
+                        /* Schedule transfer tasklet */
+                        tasklet_schedule(&drv_data->pump_transfers);
+
+                        return IRQ_HANDLED;
+                }
+
+                /* We did something */
+                handled = IRQ_HANDLED;
+        }
+
+        return handled;
+}
+
+static irqreturn_t ssp_int(int irq, void *dev_id, struct pt_regs *regs)
+{
+        struct driver_data *drv_data = (struct driver_data *)dev_id;
+
+        if (!drv_data->cur_msg) {
+                dev_err(&drv_data->pdev->dev, "bad message state "
+                                "in interrupt handler\n");
+                /* Never fail */
+                return IRQ_HANDLED;
+        }
+
+        return drv_data->transfer_handler(drv_data);
+}
+
+static void pump_transfers(unsigned long data)
+{
+        struct driver_data *drv_data = (struct driver_data *)data;
+        struct spi_message *message = NULL;
+        struct spi_transfer *transfer = NULL;
+        struct spi_transfer *previous = NULL;
+        struct chip_data *chip = NULL;
+        void *reg = drv_data->ioaddr;
+        u32 clk_div = 0;
+        u8 bits = 0;
+        u32 speed = 0;
+        u32 cr0;
+
+        /* Get current state information */
+        message = drv_data->cur_msg;
+        transfer = drv_data->cur_transfer;
+        chip = drv_data->cur_chip;
+
+        /* Handle for abort */
+        if (message->state == ERROR_STATE) {
+                message->status = -EIO;
+                giveback(message, drv_data);
+                return;
+        }
+
+        /* Handle end of message */
+        if (message->state == DONE_STATE) {
+                message->status = 0;
+                giveback(message, drv_data);
+                return;
+        }
+
+        /* Delay if requested at end of transfer*/
+        if (message->state == RUNNING_STATE) {
+                previous = list_entry(transfer->transfer_list.prev,
+                                        struct spi_transfer,
+                                        transfer_list);
+                if (previous->delay_usecs)
+                        udelay(previous->delay_usecs);
+        }
+
+        /* Setup the transfer state based on the type of transfer */
+        if (flush(drv_data) == 0) {
+                dev_err(&drv_data->pdev->dev, "pump_transfers: flush failed\n");
+                message->status = -EIO;
+                giveback(message, drv_data);
+                return;
+        }
+        drv_data->n_bytes = chip->n_bytes;
+        drv_data->dma_width = chip->dma_width;
+        drv_data->cs_control = chip->cs_control;
+        drv_data->tx = (void *)transfer->tx_buf;
+        drv_data->tx_end = drv_data->tx + transfer->len;
+        drv_data->rx = transfer->rx_buf;
+        drv_data->rx_end = drv_data->rx + transfer->len;
+        drv_data->rx_dma = transfer->rx_dma;
+        drv_data->tx_dma = transfer->tx_dma;
+        drv_data->len = transfer->len;
+        drv_data->write = drv_data->tx ? chip->write : null_writer;
+        drv_data->read = drv_data->rx ? chip->read : null_reader;
+        drv_data->cs_change = transfer->cs_change;
+
+        /* Change speed and bit per word on a per transfer */
+        if (transfer->speed_hz || transfer->bits_per_word) {
+
+                /* Disable clock */
+                write_SSCR0(chip->cr0 & ~SSCR0_SSE, reg);
+                cr0 = chip->cr0;
+                bits = chip->bits_per_word;
+                speed = chip->speed_hz;
+
+                if (transfer->speed_hz)
+                        speed = transfer->speed_hz;
+
+                if (transfer->bits_per_word)
+                        bits = transfer->bits_per_word;
+
+                if (reg == SSP1_VIRT)
+                        clk_div = SSP1_SerClkDiv(speed);
+                else if (reg == SSP2_VIRT)
+                        clk_div = SSP2_SerClkDiv(speed);
+                else if (reg == SSP3_VIRT)
+                        clk_div = SSP3_SerClkDiv(speed);
+
+                if (bits <= 8) {
+                        drv_data->n_bytes = 1;
+                        drv_data->dma_width = DCMD_WIDTH1;
+                        drv_data->read = drv_data->read != null_reader ?
+                                                u8_reader : null_reader;
+                        drv_data->write = drv_data->write != null_writer ?
+                                                u8_writer : null_writer;
+                } else if (bits <= 16) {
+                        drv_data->n_bytes = 2;
+                        drv_data->dma_width = DCMD_WIDTH2;
+                        drv_data->read = drv_data->read != null_reader ?
+                                                u16_reader : null_reader;
+                        drv_data->write = drv_data->write != null_writer ?
+                                                u16_writer : null_writer;
+                } else if (bits <= 32) {
+                        drv_data->n_bytes = 4;
+                        drv_data->dma_width = DCMD_WIDTH4;
+                        drv_data->read = drv_data->read != null_reader ?
+                                                u32_reader : null_reader;
+                        drv_data->write = drv_data->write != null_writer ?
+                                                u32_writer : null_writer;
+                }
+
+                cr0 = clk_div
+                        | SSCR0_Motorola
+                        | SSCR0_DataSize(bits & 0x0f)
+                        | SSCR0_SSE
+                        | (bits > 16 ? SSCR0_EDSS : 0);
+
+                /* Start it back up */
+                write_SSCR0(cr0, reg);
+        }
+
+        message->state = RUNNING_STATE;
+
+        /* Try to map dma buffer and do a dma transfer if successful */
+        if ((drv_data->dma_mapped = map_dma_buffers(drv_data))) {
+
+                /* Ensure we have the correct interrupt handler */
+                drv_data->transfer_handler = dma_transfer;
+
+                /* Setup rx DMA Channel */
+                DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
+                DSADR(drv_data->rx_channel) = drv_data->ssdr_physical;
+                DTADR(drv_data->rx_channel) = drv_data->rx_dma;
+                if (drv_data->rx == drv_data->null_dma_buf)
+                        /* No target address increment */
+                        DCMD(drv_data->rx_channel) = DCMD_FLOWSRC
+                                                        | drv_data->dma_width
+                                                        | chip->dma_burst_size
+                                                        | drv_data->len;
+                else
+                        DCMD(drv_data->rx_channel) = DCMD_INCTRGADDR
+                                                        | DCMD_FLOWSRC
+                                                        | drv_data->dma_width
+                                                        | chip->dma_burst_size
+                                                        | drv_data->len;
+
+                /* Setup tx DMA Channel */
+                DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
+                DSADR(drv_data->tx_channel) = drv_data->tx_dma;
+                DTADR(drv_data->tx_channel) = drv_data->ssdr_physical;
+                if (drv_data->tx == drv_data->null_dma_buf)
+                        /* No source address increment */
+                        DCMD(drv_data->tx_channel) = DCMD_FLOWTRG
+                                                        | drv_data->dma_width
+                                                        | chip->dma_burst_size
+                                                        | drv_data->len;
+                else
+                        DCMD(drv_data->tx_channel) = DCMD_INCSRCADDR
+                                                        | DCMD_FLOWTRG
+                                                        | drv_data->dma_width
+                                                        | chip->dma_burst_size
+                                                        | drv_data->len;
+
+                /* Enable dma end irqs on SSP to detect end of transfer */
+                if (drv_data->ssp_type == PXA25x_SSP)
+                        DCMD(drv_data->tx_channel) |= DCMD_ENDIRQEN;
+
+                /* Fix me, need to handle cs polarity */
+                drv_data->cs_control(PXA2XX_CS_ASSERT);
+
+                /* Go baby, go */
+                write_SSSR(drv_data->clear_sr, reg);
+                DCSR(drv_data->rx_channel) |= DCSR_RUN;
+                DCSR(drv_data->tx_channel) |= DCSR_RUN;
+                if (drv_data->ssp_type != PXA25x_SSP)
+                        write_SSTO(chip->timeout, reg);
+                write_SSCR1(chip->cr1
+                                | chip->dma_threshold
+                                | drv_data->dma_cr1,
+                                reg);
+        } else {
+                /* Ensure we have the correct interrupt handler */
+                drv_data->transfer_handler = interrupt_transfer;
+
+                /* Fix me, need to handle cs polarity */
+                drv_data->cs_control(PXA2XX_CS_ASSERT);
+
+                /* Go baby, go */
+                write_SSSR(drv_data->clear_sr, reg);
+                if (drv_data->ssp_type != PXA25x_SSP)
+                        write_SSTO(chip->timeout, reg);
+                write_SSCR1(chip->cr1
+                                | chip->threshold
+                                | drv_data->int_cr1,
+                                reg);
+        }
+}
+
+static void pump_messages(void *data)
+{
+        struct driver_data *drv_data = data;
+        unsigned long flags;
+
+        /* Lock queue and check for queue work */
+        spin_lock_irqsave(&drv_data->lock, flags);
+        if (list_empty(&drv_data->queue) || drv_data->run == QUEUE_STOPPED) {
+                drv_data->busy = 0;
+                spin_unlock_irqrestore(&drv_data->lock, flags);
+                return;
+        }
+
+        /* Make sure we are not already running a message */
+        if (drv_data->cur_msg) {
+                spin_unlock_irqrestore(&drv_data->lock, flags);
+                return;
+        }
+
+        /* Extract head of queue */
+        drv_data->cur_msg = list_entry(drv_data->queue.next,
+                                        struct spi_message, queue);
+        list_del_init(&drv_data->cur_msg->queue);
+        drv_data->busy = 1;
+        spin_unlock_irqrestore(&drv_data->lock, flags);
+
+        /* Initial message state*/
+        drv_data->cur_msg->state = START_STATE;
+        drv_data->cur_transfer = list_entry(drv_data->cur_msg->transfers.next,
+                                                struct spi_transfer,
+                                                transfer_list);
+
+        /* Setup the SSP using the per chip configuration */
+        drv_data->cur_chip = spi_get_ctldata(drv_data->cur_msg->spi);
+        restore_state(drv_data);
+
+        /* Mark as busy and launch transfers */
+        tasklet_schedule(&drv_data->pump_transfers);
+}
+
+static int transfer(struct spi_device *spi, struct spi_message *msg)
+{
+        struct driver_data *drv_data = spi_master_get_devdata(spi->master);
+        unsigned long flags;
+
+        spin_lock_irqsave(&drv_data->lock, flags);
+
+        if (drv_data->run == QUEUE_STOPPED) {
+                spin_unlock_irqrestore(&drv_data->lock, flags);
+                return -ESHUTDOWN;
+        }
+
+        msg->actual_length = 0;
+        msg->status = -EINPROGRESS;
+        msg->state = START_STATE;
+
+        list_add_tail(&msg->queue, &drv_data->queue);
+
+        if (drv_data->run == QUEUE_RUNNING && !drv_data->busy)
+                queue_work(drv_data->workqueue, &drv_data->pump_messages);
+
+        spin_unlock_irqrestore(&drv_data->lock, flags);
+
+        return 0;
+}
+
+static int setup(struct spi_device *spi)
+{
+        struct pxa2xx_spi_chip *chip_info = NULL;
+        struct chip_data *chip;
+        struct driver_data *drv_data = spi_master_get_devdata(spi->master);
+        unsigned int clk_div;
+
+        if (!spi->bits_per_word)
+                spi->bits_per_word = 8;
+
+        if (drv_data->ssp_type != PXA25x_SSP
+                        && (spi->bits_per_word < 4 || spi->bits_per_word > 32))
+                return -EINVAL;
+        else if (spi->bits_per_word < 4 || spi->bits_per_word > 16)
+                return -EINVAL;
+
+        /* Only alloc (or use chip_info) on first setup */
+        chip = spi_get_ctldata(spi);
+        if (chip == NULL) {
+                chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
+                if (!chip)
+                        return -ENOMEM;
+
+                chip->cs_control = null_cs_control;
+                chip->enable_dma = 0;
+                chip->timeout = 5;
+                chip->threshold = SSCR1_RxTresh(1) | SSCR1_TxTresh(1);
+                chip->dma_burst_size = drv_data->master_info->enable_dma ?
+                                        DCMD_BURST8 : 0;
+
+                chip_info = spi->controller_data;
+        }
+
+        /* chip_info isn't always needed */
+        if (chip_info) {
+                if (chip_info->cs_control)
+                        chip->cs_control = chip_info->cs_control;
+
+                chip->timeout = (chip_info->timeout_microsecs * 10000) / 2712;
+
+                chip->threshold = SSCR1_RxTresh(chip_info->rx_threshold)
+                                        | SSCR1_TxTresh(chip_info->tx_threshold);
+
+                chip->enable_dma = chip_info->dma_burst_size != 0
+                                        && drv_data->master_info->enable_dma;
+                chip->dma_threshold = 0;
+
+                if (chip->enable_dma) {
+                        if (chip_info->dma_burst_size <= 8) {
+                                chip->dma_threshold = SSCR1_RxTresh(8)
+                                                        | SSCR1_TxTresh(8);
+                                chip->dma_burst_size = DCMD_BURST8;
+                        } else if (chip_info->dma_burst_size <= 16) {
+                                chip->dma_threshold = SSCR1_RxTresh(16)
+                                                        | SSCR1_TxTresh(16);
+                                chip->dma_burst_size = DCMD_BURST16;
+                        } else {
+                                chip->dma_threshold = SSCR1_RxTresh(32)
+                                                        | SSCR1_TxTresh(32);
+                                chip->dma_burst_size = DCMD_BURST32;
+                        }
+                }
+
+
+                if (chip_info->enable_loopback)
+                        chip->cr1 = SSCR1_LBM;
+        }
+
+        if (drv_data->ioaddr == SSP1_VIRT)
+                clk_div = SSP1_SerClkDiv(spi->max_speed_hz);
+        else if (drv_data->ioaddr == SSP2_VIRT)
+                clk_div = SSP2_SerClkDiv(spi->max_speed_hz);
+        else if (drv_data->ioaddr == SSP3_VIRT)
+                clk_div = SSP3_SerClkDiv(spi->max_speed_hz);
+        else
+                return -ENODEV;
+        chip->speed_hz = spi->max_speed_hz;
+
+        chip->cr0 = clk_div
+                        | SSCR0_Motorola
+                        | SSCR0_DataSize(spi->bits_per_word & 0x0f)
+                        | SSCR0_SSE
+                        | (spi->bits_per_word > 16 ? SSCR0_EDSS : 0);
+        chip->cr1 |= (((spi->mode & SPI_CPHA) != 0) << 4)
+                        | (((spi->mode & SPI_CPOL) != 0) << 3);
+
+        /* NOTE:  PXA25x_SSP _could_ use external clocking ... */
+        if (drv_data->ssp_type != PXA25x_SSP)
+                dev_dbg(&spi->dev, "%d bits/word, %d Hz, mode %d\n",
+                                spi->bits_per_word,
+                                (CLOCK_SPEED_HZ)
+                                        / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)),
+                                spi->mode & 0x3);
+        else
+                dev_dbg(&spi->dev, "%d bits/word, %d Hz, mode %d\n",
+                                spi->bits_per_word,
+                                (CLOCK_SPEED_HZ/2)
+                                        / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)),
+                                spi->mode & 0x3);
+
+        if (spi->bits_per_word <= 8) {
+                chip->n_bytes = 1;
+                chip->dma_width = DCMD_WIDTH1;
+                chip->read = u8_reader;
+                chip->write = u8_writer;
+        } else if (spi->bits_per_word <= 16) {
+                chip->n_bytes = 2;
+                chip->dma_width = DCMD_WIDTH2;
+                chip->read = u16_reader;
+                chip->write = u16_writer;
+        } else if (spi->bits_per_word <= 32) {
+                chip->cr0 |= SSCR0_EDSS;
+                chip->n_bytes = 4;
+                chip->dma_width = DCMD_WIDTH4;
+                chip->read = u32_reader;
+                chip->write = u32_writer;
+        } else {
+                dev_err(&spi->dev, "invalid wordsize\n");
+                kfree(chip);
+                return -ENODEV;
+        }
+        chip->bits_per_word = spi->bits_per_word;
+
+        spi_set_ctldata(spi, chip);
+
+        return 0;
+}
+
+static void cleanup(const struct spi_device *spi)
+{
+        struct chip_data *chip = spi_get_ctldata((struct spi_device *)spi);
+
+        kfree(chip);
+}
+
+static int init_queue(struct driver_data *drv_data)
+{
+        INIT_LIST_HEAD(&drv_data->queue);
+        spin_lock_init(&drv_data->lock);
+
+        drv_data->run = QUEUE_STOPPED;
+        drv_data->busy = 0;
+
+        tasklet_init(&drv_data->pump_transfers,
+                        pump_transfers, (unsigned long)drv_data);
+
+        INIT_WORK(&drv_data->pump_messages, pump_messages, drv_data);
+        drv_data->workqueue = create_singlethread_workqueue(
+                                        drv_data->master->cdev.dev->bus_id);
+        if (drv_data->workqueue == NULL)
+                return -EBUSY;
+
+        return 0;
+}
+
+static int start_queue(struct driver_data *drv_data)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&drv_data->lock, flags);
+
+        if (drv_data->run == QUEUE_RUNNING || drv_data->busy) {
+                spin_unlock_irqrestore(&drv_data->lock, flags);
+                return -EBUSY;
+        }
+
+        drv_data->run = QUEUE_RUNNING;
+        drv_data->cur_msg = NULL;
+        drv_data->cur_transfer = NULL;
+        drv_data->cur_chip = NULL;
+        spin_unlock_irqrestore(&drv_data->lock, flags);
+
+        queue_work(drv_data->workqueue, &drv_data->pump_messages);
+
+        return 0;
+}
+
+static int stop_queue(struct driver_data *drv_data)
+{
+        unsigned long flags;
+        unsigned limit = 500;
+        int status = 0;
+
+        spin_lock_irqsave(&drv_data->lock, flags);
+
+        /* This is a bit lame, but is optimized for the common execution path.
+         * A wait_queue on the drv_data->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 */
+        drv_data->run = QUEUE_STOPPED;
+        while (!list_empty(&drv_data->queue) && drv_data->busy && limit--) {
+                spin_unlock_irqrestore(&drv_data->lock, flags);
+                msleep(10);
+                spin_lock_irqsave(&drv_data->lock, flags);
+        }
+
+        if (!list_empty(&drv_data->queue) || drv_data->busy)
+                status = -EBUSY;
+
+        spin_unlock_irqrestore(&drv_data->lock, flags);
+
+        return status;
+}
+
+static int destroy_queue(struct driver_data *drv_data)
+{
+        int status;
+
+        status = stop_queue(drv_data);
+        if (status != 0)
+                return status;
+
+        destroy_workqueue(drv_data->workqueue);
+
+        return 0;
+}
+
+static int pxa2xx_spi_probe(struct platform_device *pdev)
+{
+        struct device *dev = &pdev->dev;
+        struct pxa2xx_spi_master *platform_info;
+        struct spi_master *master;
+        struct driver_data *drv_data = 0;
+        struct resource *memory_resource;
+        int irq;
+        int status = 0;
+
+        platform_info = dev->platform_data;
+
+        if (platform_info->ssp_type == SSP_UNDEFINED) {
+                dev_err(&pdev->dev, "undefined SSP\n");
+                return -ENODEV;
+        }
+
+        /* Allocate master with space for drv_data and null dma buffer */
+        master = spi_alloc_master(dev, sizeof(struct driver_data) + 16);
+        if (!master) {
+                dev_err(&pdev->dev, "can not alloc spi_master\n");
+                return -ENOMEM;
+        }
+        drv_data = spi_master_get_devdata(master);
+        drv_data->master = master;
+        drv_data->master_info = platform_info;
+        drv_data->pdev = pdev;
+
+        master->bus_num = pdev->id;
+        master->num_chipselect = platform_info->num_chipselect;
+        master->cleanup = cleanup;
+        master->setup = setup;
+        master->transfer = transfer;
+
+        drv_data->ssp_type = platform_info->ssp_type;
+        drv_data->null_dma_buf = (u32 *)ALIGN((u32)(drv_data +
+                                                sizeof(struct driver_data)), 8);
+
+        /* Setup register addresses */
+        memory_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!memory_resource) {
+                dev_err(&pdev->dev, "memory resources not defined\n");
+                status = -ENODEV;
+                goto out_error_master_alloc;
+        }
+
+        drv_data->ioaddr = (void *)io_p2v(memory_resource->start);
+        drv_data->ssdr_physical = memory_resource->start + 0x00000010;
+        if (platform_info->ssp_type == PXA25x_SSP) {
+                drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE;
+                drv_data->dma_cr1 = 0;
+                drv_data->clear_sr = SSSR_ROR;
+                drv_data->mask_sr = SSSR_RFS | SSSR_TFS | SSSR_ROR;
+        } else {
+                drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE | SSCR1_TINTE;
+                drv_data->dma_cr1 = SSCR1_TSRE | SSCR1_RSRE | SSCR1_TINTE;
+                drv_data->clear_sr = SSSR_ROR | SSSR_TINT;
+                drv_data->mask_sr = SSSR_TINT | SSSR_RFS | SSSR_TFS | SSSR_ROR;
+        }
+
+        /* Attach to IRQ */
+        irq = platform_get_irq(pdev, 0);
+        if (irq < 0) {
+                dev_err(&pdev->dev, "irq resource not defined\n");
+                status = -ENODEV;
+                goto out_error_master_alloc;
+        }
+
+        status = request_irq(irq, ssp_int, SA_INTERRUPT, dev->bus_id, drv_data);
+        if (status < 0) {
+                dev_err(&pdev->dev, "can not get IRQ\n");
+                goto out_error_master_alloc;
+        }
+
+        /* Setup DMA if requested */
+        drv_data->tx_channel = -1;
+        drv_data->rx_channel = -1;
+        if (platform_info->enable_dma) {
+
+                /* Get two DMA channels (rx and tx) */
+                drv_data->rx_channel = pxa_request_dma("pxa2xx_spi_ssp_rx",
+                                                        DMA_PRIO_HIGH,
+                                                        dma_handler,
+                                                        drv_data);
+                if (drv_data->rx_channel < 0) {
+                        dev_err(dev, "problem (%d) requesting rx channel\n",
+                                drv_data->rx_channel);
+                        status = -ENODEV;
+                        goto out_error_irq_alloc;
+                }
+                drv_data->tx_channel = pxa_request_dma("pxa2xx_spi_ssp_tx",
+                                                        DMA_PRIO_MEDIUM,
+                                                        dma_handler,
+                                                        drv_data);
+                if (drv_data->tx_channel < 0) {
+                        dev_err(dev, "problem (%d) requesting tx channel\n",
+                                drv_data->tx_channel);
+                        status = -ENODEV;
+                        goto out_error_dma_alloc;
+                }
+
+                if (drv_data->ioaddr == SSP1_VIRT) {
+                                DRCMRRXSSDR = DRCMR_MAPVLD
+                                                | drv_data->rx_channel;
+                                DRCMRTXSSDR = DRCMR_MAPVLD
+                                                | drv_data->tx_channel;
+                } else if (drv_data->ioaddr == SSP2_VIRT) {
+                                DRCMRRXSS2DR = DRCMR_MAPVLD
+                                                | drv_data->rx_channel;
+                                DRCMRTXSS2DR = DRCMR_MAPVLD
+                                                | drv_data->tx_channel;
+                } else if (drv_data->ioaddr == SSP3_VIRT) {
+                                DRCMRRXSS3DR = DRCMR_MAPVLD
+                                                | drv_data->rx_channel;
+                                DRCMRTXSS3DR = DRCMR_MAPVLD
+                                                | drv_data->tx_channel;
+                } else {
+                        dev_err(dev, "bad SSP type\n");
+                        goto out_error_dma_alloc;
+                }
+        }
+
+        /* Enable SOC clock */
+        pxa_set_cken(platform_info->clock_enable, 1);
+
+        /* Load default SSP configuration */
+        write_SSCR0(0, drv_data->ioaddr);
+        write_SSCR1(SSCR1_RxTresh(4) | SSCR1_TxTresh(12), drv_data->ioaddr);
+        write_SSCR0(SSCR0_SerClkDiv(2)
+                        | SSCR0_Motorola
+                        | SSCR0_DataSize(8),
+                        drv_data->ioaddr);
+        if (drv_data->ssp_type != PXA25x_SSP)
+                write_SSTO(0, drv_data->ioaddr);
+        write_SSPSP(0, drv_data->ioaddr);
+
+        /* Initial and start queue */
+        status = init_queue(drv_data);
+        if (status != 0) {
+                dev_err(&pdev->dev, "problem initializing queue\n");
+                goto out_error_clock_enabled;
+        }
+        status = start_queue(drv_data);
+        if (status != 0) {
+                dev_err(&pdev->dev, "problem starting queue\n");
+                goto out_error_clock_enabled;
+        }
+
+        /* Register with the SPI framework */
+        platform_set_drvdata(pdev, drv_data);
+        status = spi_register_master(master);
+        if (status != 0) {
+                dev_err(&pdev->dev, "problem registering spi master\n");
+                goto out_error_queue_alloc;
+        }
+
+        return status;
+
+out_error_queue_alloc:
+        destroy_queue(drv_data);
+
+out_error_clock_enabled:
+        pxa_set_cken(platform_info->clock_enable, 0);
+
+out_error_dma_alloc:
+        if (drv_data->tx_channel != -1)
+                pxa_free_dma(drv_data->tx_channel);
+        if (drv_data->rx_channel != -1)
+                pxa_free_dma(drv_data->rx_channel);
+
+out_error_irq_alloc:
+        free_irq(irq, drv_data);
+
+out_error_master_alloc:
+        spi_master_put(master);
+        return status;
+}
+
+static int pxa2xx_spi_remove(struct platform_device *pdev)
+{
+        struct driver_data *drv_data = platform_get_drvdata(pdev);
+        int irq;
+        int status = 0;
+
+        if (!drv_data)
+                return 0;
+
+        /* Remove the queue */
+        status = destroy_queue(drv_data);
+        if (status != 0)
+                return status;
+
+        /* Disable the SSP at the peripheral and SOC level */
+        write_SSCR0(0, drv_data->ioaddr);
+        pxa_set_cken(drv_data->master_info->clock_enable, 0);
+
+        /* Release DMA */
+        if (drv_data->master_info->enable_dma) {
+                if (drv_data->ioaddr == SSP1_VIRT) {
+                        DRCMRRXSSDR = 0;
+                        DRCMRTXSSDR = 0;
+                } else if (drv_data->ioaddr == SSP2_VIRT) {
+                        DRCMRRXSS2DR = 0;
+                        DRCMRTXSS2DR = 0;
+                } else if (drv_data->ioaddr == SSP3_VIRT) {
+                        DRCMRRXSS3DR = 0;
+                        DRCMRTXSS3DR = 0;
+                }
+                pxa_free_dma(drv_data->tx_channel);
+                pxa_free_dma(drv_data->rx_channel);
+        }
+
+        /* Release IRQ */
+        irq = platform_get_irq(pdev, 0);
+        if (irq >= 0)
+                free_irq(irq, drv_data);
+
+        /* Disconnect from the SPI framework */
+        spi_unregister_master(drv_data->master);
+
+        /* Prevent double remove */
+        platform_set_drvdata(pdev, NULL);
+
+        return 0;
+}
+
+static void pxa2xx_spi_shutdown(struct platform_device *pdev)
+{
+        int status = 0;
+
+        if ((status = pxa2xx_spi_remove(pdev)) != 0)
+                dev_err(&pdev->dev, "shutdown failed with %d\n", status);
+}
+
+#ifdef CONFIG_PM
+static int suspend_devices(struct device *dev, void *pm_message)
+{
+        pm_message_t *state = pm_message;
+
+        if (dev->power.power_state.event != state->event) {
+                dev_warn(dev, "pm state does not match request\n");
+                return -1;
+        }
+
+        return 0;
+}
+
+static int pxa2xx_spi_suspend(struct platform_device *pdev, pm_message_t state)
+{
+        struct driver_data *drv_data = platform_get_drvdata(pdev);
+        int status = 0;
+
+        /* Check all childern for current power state */
+        if (device_for_each_child(&pdev->dev, &state, suspend_devices) != 0) {
+                dev_warn(&pdev->dev, "suspend aborted\n");
+                return -1;
+        }
+
+        status = stop_queue(drv_data);
+        if (status != 0)
+                return status;
+        write_SSCR0(0, drv_data->ioaddr);
+        pxa_set_cken(drv_data->master_info->clock_enable, 0);
+
+        return 0;
+}
+
+static int pxa2xx_spi_resume(struct platform_device *pdev)
+{
+        struct driver_data *drv_data = platform_get_drvdata(pdev);
+        int status = 0;
+
+        /* Enable the SSP clock */
+        pxa_set_cken(drv_data->master_info->clock_enable, 1);
+
+        /* Start the queue running */
+        status = start_queue(drv_data);
+        if (status != 0) {
+                dev_err(&pdev->dev, "problem starting queue (%d)\n", status);
+                return status;
+        }
+
+        return 0;
+}
+#else
+#define pxa2xx_spi_suspend NULL
+#define pxa2xx_spi_resume NULL
+#endif /* CONFIG_PM */
+
+static struct platform_driver driver = {
+        .driver = {
+                .name = "pxa2xx-spi",
+                .bus = &platform_bus_type,
+                .owner = THIS_MODULE,
+        },
+        .probe = pxa2xx_spi_probe,
+        .remove = __devexit_p(pxa2xx_spi_remove),
+        .shutdown = pxa2xx_spi_shutdown,
+        .suspend = pxa2xx_spi_suspend,
+        .resume = pxa2xx_spi_resume,
+};
+
+static int __init pxa2xx_spi_init(void)
+{
+        platform_driver_register(&driver);
+
+        return 0;
+}
+module_init(pxa2xx_spi_init);
+
+static void __exit pxa2xx_spi_exit(void)
+{
+        platform_driver_unregister(&driver);
+}
+module_exit(pxa2xx_spi_exit);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 94f5e8ed83a7..7a3f733051e9 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -395,7 +395,7 @@ EXPORT_SYMBOL_GPL(spi_alloc_master);
 int __init_or_module
 spi_register_master(struct spi_master *master)
 {
-        static atomic_t         dyn_bus_id = ATOMIC_INIT(0);
+        static atomic_t         dyn_bus_id = ATOMIC_INIT((1<<16) - 1);
         struct device           *dev = master->cdev.dev;
         int                     status = -ENODEV;
         int                     dynamic = 0;
@@ -404,7 +404,7 @@ spi_register_master(struct spi_master *master)
                 return -ENODEV;
 
         /* convention:  dynamically assigned bus IDs count down from the max */
-        if (master->bus_num == 0) {
+        if (master->bus_num < 0) {
                 master->bus_num = atomic_dec_return(&dyn_bus_id);
                 dynamic = 1;
         }
@@ -522,7 +522,8 @@ int spi_sync(struct spi_device *spi, struct spi_message *message)
 }
 EXPORT_SYMBOL_GPL(spi_sync);
 
-#define SPI_BUFSIZ      (SMP_CACHE_BYTES)
+/* portable code must never pass more than 32 bytes */
+#define SPI_BUFSIZ      max(32,SMP_CACHE_BYTES)
 
 static u8       *buf;
 
diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
index f037e5593269..dd2f950b21a7 100644
--- a/drivers/spi/spi_bitbang.c
+++ b/drivers/spi/spi_bitbang.c
@@ -138,6 +138,45 @@ static unsigned bitbang_txrx_32(
         return t->len - count;
 }
 
+int spi_bitbang_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
+{
+        struct spi_bitbang_cs   *cs = spi->controller_state;
+        u8                      bits_per_word;
+        u32                     hz;
+
+        if (t) {
+                bits_per_word = t->bits_per_word;
+                hz = t->speed_hz;
+        } else {
+                bits_per_word = 0;
+                hz = 0;
+        }
+
+        /* spi_transfer level calls that work per-word */
+        if (!bits_per_word)
+                bits_per_word = spi->bits_per_word;
+        if (bits_per_word <= 8)
+                cs->txrx_bufs = bitbang_txrx_8;
+        else if (bits_per_word <= 16)
+                cs->txrx_bufs = bitbang_txrx_16;
+        else if (bits_per_word <= 32)
+                cs->txrx_bufs = bitbang_txrx_32;
+        else
+                return -EINVAL;
+
+        /* nsecs = (clock period)/2 */
+        if (!hz)
+                hz = spi->max_speed_hz;
+        if (hz) {
+                cs->nsecs = (1000000000/2) / hz;
+                if (cs->nsecs > (MAX_UDELAY_MS * 1000 * 1000))
+                        return -EINVAL;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(spi_bitbang_setup_transfer);
+
 /**
  * spi_bitbang_setup - default setup for per-word I/O loops
  */
@@ -145,8 +184,16 @@ int spi_bitbang_setup(struct spi_device *spi)
 {
         struct spi_bitbang_cs   *cs = spi->controller_state;
         struct spi_bitbang      *bitbang;
+        int                     retval;
 
-        if (!spi->max_speed_hz)
+        bitbang = spi_master_get_devdata(spi->master);
+
+        /* REVISIT: some systems will want to support devices using lsb-first
+         * bit encodings on the wire.  In pure software that would be trivial,
+         * just bitbang_txrx_le_cphaX() routines shifting the other way, and
+         * some hardware controllers also have this support.
+         */
+        if ((spi->mode & SPI_LSB_FIRST) != 0)
                 return -EINVAL;
 
         if (!cs) {
@@ -155,32 +202,20 @@ int spi_bitbang_setup(struct spi_device *spi)
                         return -ENOMEM;
                 spi->controller_state = cs;
         }
-        bitbang = spi_master_get_devdata(spi->master);
 
         if (!spi->bits_per_word)
                 spi->bits_per_word = 8;
 
-        /* spi_transfer level calls that work per-word */
-        if (spi->bits_per_word <= 8)
-                cs->txrx_bufs = bitbang_txrx_8;
-        else if (spi->bits_per_word <= 16)
-                cs->txrx_bufs = bitbang_txrx_16;
-        else if (spi->bits_per_word <= 32)
-                cs->txrx_bufs = bitbang_txrx_32;
-        else
-                return -EINVAL;
-
         /* per-word shift register access, in hardware or bitbanging */
         cs->txrx_word = bitbang->txrx_word[spi->mode & (SPI_CPOL|SPI_CPHA)];
         if (!cs->txrx_word)
                 return -EINVAL;
 
-        /* nsecs = (clock period)/2 */
-        cs->nsecs = (1000000000/2) / (spi->max_speed_hz);
-        if (cs->nsecs > MAX_UDELAY_MS * 1000)
-                return -EINVAL;
+        retval = spi_bitbang_setup_transfer(spi, NULL);
+        if (retval < 0)
+                return retval;
 
-        dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec\n",
+        dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec/bit\n",
                         __FUNCTION__, spi->mode & (SPI_CPOL | SPI_CPHA),
                         spi->bits_per_word, 2 * cs->nsecs);
 
@@ -246,6 +281,8 @@ static void bitbang_work(void *_bitbang)
                 unsigned                tmp;
                 unsigned                cs_change;
                 int                     status;
+                int                     (*setup_transfer)(struct spi_device *,
+                                                struct spi_transfer *);
 
                 m = container_of(bitbang->queue.next, struct spi_message,
                                 queue);
@@ -262,6 +299,7 @@ static void bitbang_work(void *_bitbang)
                 tmp = 0;
                 cs_change = 1;
                 status = 0;
+                setup_transfer = NULL;
 
                 list_for_each_entry (t, &m->transfers, transfer_list) {
                         if (bitbang->shutdown) {
@@ -269,6 +307,20 @@ static void bitbang_work(void *_bitbang)
                                 break;
                         }
 
+                        /* override or restore speed and wordsize */
+                        if (t->speed_hz || t->bits_per_word) {
+                                setup_transfer = bitbang->setup_transfer;
+                                if (!setup_transfer) {
+                                        status = -ENOPROTOOPT;
+                                        break;
+                                }
+                        }
+                        if (setup_transfer) {
+                                status = setup_transfer(spi, t);
+                                if (status < 0)
+                                        break;
+                        }
+
                         /* set up default clock polarity, and activate chip;
                          * this implicitly updates clock and spi modes as
                          * previously recorded for this device via setup().
@@ -325,6 +377,10 @@ static void bitbang_work(void *_bitbang)
                 m->status = status;
                 m->complete(m->context);
 
+                /* restore speed and wordsize */
+                if (setup_transfer)
+                        setup_transfer(spi, NULL);
+
                 /* normally deactivate chipselect ... unless no error and
                  * cs_change has hinted that the next message will probably
                  * be for this chip too.
@@ -348,6 +404,7 @@ int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m)
 {
         struct spi_bitbang      *bitbang;
         unsigned long           flags;
+        int                     status = 0;
 
         m->actual_length = 0;
         m->status = -EINPROGRESS;
@@ -357,11 +414,15 @@ int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m)
                 return -ESHUTDOWN;
 
         spin_lock_irqsave(&bitbang->lock, flags);
-        list_add_tail(&m->queue, &bitbang->queue);
-        queue_work(bitbang->workqueue, &bitbang->work);
+        if (!spi->max_speed_hz)
+                status = -ENETDOWN;
+        else {
+                list_add_tail(&m->queue, &bitbang->queue);
+                queue_work(bitbang->workqueue, &bitbang->work);
+        }
         spin_unlock_irqrestore(&bitbang->lock, flags);
 
-        return 0;
+        return status;
 }
 EXPORT_SYMBOL_GPL(spi_bitbang_transfer);
 
@@ -406,6 +467,9 @@ int spi_bitbang_start(struct spi_bitbang *bitbang)
                 bitbang->use_dma = 0;
                 bitbang->txrx_bufs = spi_bitbang_bufs;
                 if (!bitbang->master->setup) {
+                        if (!bitbang->setup_transfer)
+                                bitbang->setup_transfer =
+                                         spi_bitbang_setup_transfer;
                         bitbang->master->setup = spi_bitbang_setup;
                         bitbang->master->cleanup = spi_bitbang_cleanup;
                 }
diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 7860c8a5800d..956b7a1e8af9 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -69,7 +69,7 @@ static const char speedtch_driver_name[] = "speedtch";
 #define RESUBMIT_DELAY          1000    /* milliseconds */
 
 #define DEFAULT_BULK_ALTSETTING 1
-#define DEFAULT_ISOC_ALTSETTING 2
+#define DEFAULT_ISOC_ALTSETTING 3
 #define DEFAULT_DL_512_FIRST    0
 #define DEFAULT_ENABLE_ISOC     0
 #define DEFAULT_SW_BUFFERING    0
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index c1211fc037d9..546249843b8e 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -99,11 +99,11 @@ static const char usbatm_driver_name[] = "usbatm";
 
 #define UDSL_MAX_RCV_URBS               16
 #define UDSL_MAX_SND_URBS               16
-#define UDSL_MAX_BUF_SIZE               64 * 1024       /* bytes */
+#define UDSL_MAX_BUF_SIZE               65536
 #define UDSL_DEFAULT_RCV_URBS           4
 #define UDSL_DEFAULT_SND_URBS           4
-#define UDSL_DEFAULT_RCV_BUF_SIZE       64 * ATM_CELL_SIZE      /* bytes */
-#define UDSL_DEFAULT_SND_BUF_SIZE       64 * ATM_CELL_SIZE      /* bytes */
+#define UDSL_DEFAULT_RCV_BUF_SIZE       3392    /* 64 * ATM_CELL_SIZE */
+#define UDSL_DEFAULT_SND_BUF_SIZE       3392    /* 64 * ATM_CELL_SIZE */
 
 #define ATM_CELL_HEADER                 (ATM_CELL_SIZE - ATM_CELL_PAYLOAD)
 
@@ -135,7 +135,7 @@ MODULE_PARM_DESC(rcv_buf_bytes,
 module_param(snd_buf_bytes, uint, S_IRUGO);
 MODULE_PARM_DESC(snd_buf_bytes,
                  "Size of the buffers used for transmission, in bytes (range: 1-"
-                 __MODULE_STRING(UDSL_MAX_SND_BUF_SIZE) ", default: "
+                 __MODULE_STRING(UDSL_MAX_BUF_SIZE) ", default: "
                  __MODULE_STRING(UDSL_DEFAULT_SND_BUF_SIZE) ")");
 
 
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index fbd938d4ea58..e2e00ba4e1e6 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1805,6 +1805,12 @@ int usb_add_hcd(struct usb_hcd *hcd,
                         USB_SPEED_FULL;
         hcd->self.root_hub = rhdev;
 
+        /* wakeup flag init defaults to "everything works" for root hubs,
+         * but drivers can override it in reset() if needed, along with
+         * recording the overall controller's system wakeup capability.
+         */
+        device_init_wakeup(&rhdev->dev, 1);
+
         /* "reset" is misnamed; its role is now one-time init. the controller
          * should already have been reset (and boot firmware kicked off etc).
          */
@@ -1813,13 +1819,6 @@ int usb_add_hcd(struct usb_hcd *hcd,
                 goto err_hcd_driver_setup;
         }
 
-        /* wakeup flag init is in transition; for now we can't rely on PCI to
-         * initialize these bits properly, so we let reset() override it.
-         * This init should _precede_ the reset() once PCI behaves.
-         */
-        device_init_wakeup(&rhdev->dev,
-                        device_can_wakeup(hcd->self.controller));
-
         /* NOTE: root hub and controller capabilities may not be the same */
         if (device_can_wakeup(hcd->self.controller)
                         && device_can_wakeup(&hcd->self.root_hub->dev))
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 0c87f73f2933..90b8d43c6b33 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1168,19 +1168,9 @@ static inline const char *plural(int n)
 static int choose_configuration(struct usb_device *udev)
 {
         int i;
-        u16 devstatus;
-        int bus_powered;
         int num_configs;
         struct usb_host_config *c, *best;
 
-        /* If this fails, assume the device is bus-powered */
-        devstatus = 0;
-        usb_get_status(udev, USB_RECIP_DEVICE, 0, &devstatus);
-        le16_to_cpus(&devstatus);
-        bus_powered = ((devstatus & (1 << USB_DEVICE_SELF_POWERED)) == 0);
-        dev_dbg(&udev->dev, "device is %s-powered\n",
-                        bus_powered ? "bus" : "self");
-
         best = NULL;
         c = udev->config;
         num_configs = udev->descriptor.bNumConfigurations;
@@ -1197,6 +1187,19 @@ static int choose_configuration(struct usb_device *udev)
                  * similar errors in their descriptors.  If the next test
                  * were allowed to execute, such configurations would always
                  * be rejected and the devices would not work as expected.
+                 * In the meantime, we run the risk of selecting a config
+                 * that requires external power at a time when that power
+                 * isn't available.  It seems to be the lesser of two evils.
+                 *
+                 * Bugzilla #6448 reports a device that appears to crash
+                 * when it receives a GET_DEVICE_STATUS request!  We don't
+                 * have any other way to tell whether a device is self-powered,
+                 * but since we don't use that information anywhere but here,
+                 * the call has been removed.
+                 *
+                 * Maybe the GET_DEVICE_STATUS call and the test below can
+                 * be reinstated when device firmwares become more reliable.
+                 * Don't hold your breath.
                  */
 #if 0
                 /* Rule out self-powered configs for a bus-powered device */
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 544f7589912f..73f5a379d9b3 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -863,7 +863,7 @@ static int ohci_restart (struct ohci_hcd *ohci)
                 i = ohci->num_ports;
                 while (i--)
                         ohci_writel (ohci, RH_PS_PSS,
-                                &ohci->regs->roothub.portstatus [temp]);
+                                &ohci->regs->roothub.portstatus [i]);
                 ohci_dbg (ohci, "restart complete\n");
         }
         return 0;
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index f419bd82ab7f..435273e7c85c 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -1557,6 +1557,9 @@ void hid_init_reports(struct hid_device *hid)
 #define USB_VENDOR_ID_HP                0x03f0
 #define USB_DEVICE_ID_HP_USBHUB_KB      0x020c
 
+#define USB_VENDOR_ID_IBM               0x04b3
+#define USB_DEVICE_ID_IBM_USBHUB_KB     0x3005
+
 #define USB_VENDOR_ID_CREATIVELABS      0x062a
 #define USB_DEVICE_ID_CREATIVELABS_SILVERCREST  0x0201
 
@@ -1681,6 +1684,7 @@ static const struct hid_blacklist {
         { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_USBHUB_KB, HID_QUIRK_NOGET},
         { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVELABS_SILVERCREST, HID_QUIRK_NOGET },
         { USB_VENDOR_ID_HP, USB_DEVICE_ID_HP_USBHUB_KB, HID_QUIRK_NOGET },
+        { USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_USBHUB_KB, HID_QUIRK_NOGET },
         { USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET },
         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
         { USB_VENDOR_ID_SILVERCREST, USB_DEVICE_ID_SILVERCREST_KB, HID_QUIRK_NOGET },
diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 3824df33094e..1fd9cb85f4ca 100644
--- a/drivers/usb/misc/emi26.c
+++ b/drivers/usb/misc/emi26.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/usb.h>
+#include <linux/delay.h>
 
 #define MAX_INTEL_HEX_RECORD_LENGTH 16
 typedef struct _INTEL_HEX_RECORD
@@ -114,6 +115,7 @@ static int emi26_load_firmware (struct usb_device *dev)
 
         /* De-assert reset (let the CPU run) */
         err = emi26_set_reset(dev,0);
+        msleep(250);    /* let device settle */
 
         /* 2. We upload the FPGA firmware into the EMI
          * Note: collect up to 1023 (yes!) bytes and send them with
@@ -150,6 +152,7 @@ static int emi26_load_firmware (struct usb_device *dev)
                         goto wraperr;
                 }
         }
+        msleep(250);    /* let device settle */
 
         /* De-assert reset (let the CPU run) */
         err = emi26_set_reset(dev,0);
@@ -192,6 +195,7 @@ static int emi26_load_firmware (struct usb_device *dev)
                 err("%s - error loading firmware: error = %d", __FUNCTION__, err);
                 goto wraperr;
         }
+        msleep(250);    /* let device settle */
 
         /* return 1 to fail the driver inialization
          * and give real driver change to load */
diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c
index 52fea2e08db8..fe351371f274 100644
--- a/drivers/usb/misc/emi62.c
+++ b/drivers/usb/misc/emi62.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/usb.h>
+#include <linux/delay.h>
 
 #define MAX_INTEL_HEX_RECORD_LENGTH 16
 typedef struct _INTEL_HEX_RECORD
@@ -123,6 +124,7 @@ static int emi62_load_firmware (struct usb_device *dev)
 
         /* De-assert reset (let the CPU run) */
         err = emi62_set_reset(dev,0);
+        msleep(250);    /* let device settle */
 
         /* 2. We upload the FPGA firmware into the EMI
          * Note: collect up to 1023 (yes!) bytes and send them with
@@ -166,6 +168,7 @@ static int emi62_load_firmware (struct usb_device *dev)
                 err("%s - error loading firmware: error = %d", __FUNCTION__, err);
                 goto wraperr;
         }
+        msleep(250);    /* let device settle */
 
         /* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */
 
@@ -228,6 +231,7 @@ static int emi62_load_firmware (struct usb_device *dev)
                 err("%s - error loading firmware: error = %d", __FUNCTION__, err);
                 goto wraperr;
         }
+        msleep(250);    /* let device settle */
 
         kfree(buf);
 
diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c
index 2deb4c01539e..7683926a1b6f 100644
--- a/drivers/usb/net/pegasus.c
+++ b/drivers/usb/net/pegasus.c
@@ -318,6 +318,8 @@ static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd)
         set_register(pegasus, PhyCtrl, (indx | PHY_READ));
         for (i = 0; i < REG_TIMEOUT; i++) {
                 ret = get_registers(pegasus, PhyCtrl, 1, data);
+                if (ret == -ESHUTDOWN)
+                        goto fail;
                 if (data[0] & PHY_DONE)
                         break;
         }
@@ -326,6 +328,7 @@ static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd)
                 *regd = le16_to_cpu(regdi);
                 return ret;
         }
+fail:
         if (netif_msg_drv(pegasus))
                 dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__);
 
@@ -354,12 +357,15 @@ static int write_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 regd)
         set_register(pegasus, PhyCtrl, (indx | PHY_WRITE));
         for (i = 0; i < REG_TIMEOUT; i++) {
                 ret = get_registers(pegasus, PhyCtrl, 1, data);
+                if (ret == -ESHUTDOWN)
+                        goto fail;
                 if (data[0] & PHY_DONE)
                         break;
         }
         if (i < REG_TIMEOUT)
                 return ret;
 
+fail:
         if (netif_msg_drv(pegasus))
                 dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__);
         return -ETIMEDOUT;
@@ -387,6 +393,8 @@ static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata)
                 ret = get_registers(pegasus, EpromCtrl, 1, &tmp);
                 if (tmp & EPROM_DONE)
                         break;
+                if (ret == -ESHUTDOWN)
+                        goto fail;
         }
         if (i < REG_TIMEOUT) {
                 ret = get_registers(pegasus, EpromData, 2, &retdatai);
@@ -394,6 +402,7 @@ static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata)
                 return ret;
         }
 
+fail:
         if (netif_msg_drv(pegasus))
                 dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__);
         return -ETIMEDOUT;
@@ -433,12 +442,15 @@ static int write_eprom_word(pegasus_t * pegasus, __u8 index, __u16 data)
 
         for (i = 0; i < REG_TIMEOUT; i++) {
                 ret = get_registers(pegasus, EpromCtrl, 1, &tmp);
+                if (ret == -ESHUTDOWN)
+                        goto fail;
                 if (tmp & EPROM_DONE)
                         break;
         }
         disable_eprom_write(pegasus);
         if (i < REG_TIMEOUT)
                 return ret;
+fail:
         if (netif_msg_drv(pegasus))
                 dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__);
         return -ETIMEDOUT;
@@ -1378,9 +1390,8 @@ static int pegasus_suspend (struct usb_interface *intf, pm_message_t message)
         struct pegasus *pegasus = usb_get_intfdata(intf);
         
         netif_device_detach (pegasus->net);
+        cancel_delayed_work(&pegasus->carrier_check);
         if (netif_running(pegasus->net)) {
-                cancel_delayed_work(&pegasus->carrier_check);
-
                 usb_kill_urb(pegasus->rx_urb);
                 usb_kill_urb(pegasus->intr_urb);
         }
@@ -1400,10 +1411,9 @@ static int pegasus_resume (struct usb_interface *intf)
                 pegasus->intr_urb->status = 0;
                 pegasus->intr_urb->actual_length = 0;
                 intr_callback(pegasus->intr_urb, NULL);
-
-                queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
-                                        CARRIER_CHECK_DELAY);
         }
+        queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
+                                CARRIER_CHECK_DELAY);
         return 0;
 }
 
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index f96b73f54bf1..5c60be521561 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -71,6 +71,16 @@ config USB_SERIAL_ANYDATA
           To compile this driver as a module, choose M here: the
           module will be called anydata.
 
+config USB_SERIAL_ARK3116
+        tristate "USB ARK Micro 3116 USB Serial Driver (EXPERIMENTAL)"
+        depends on USB_SERIAL && EXPERIMENTAL
+        help
+          Say Y here if you want to use a ARK Micro 3116 USB to Serial
+          device.
+
+          To compile this driver as a module, choose M here: the
+          module will be called ark3116
+
 config USB_SERIAL_BELKIN
         tristate "USB Belkin and Peracom Single Port Serial Driver"
         depends on USB_SERIAL
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 93c21245b1af..5a0960fc9d3e 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -13,6 +13,7 @@ usbserial-objs	:= usb-serial.o generic.o bus.o $(usbserial-obj-y)
 
 obj-$(CONFIG_USB_SERIAL_AIRPRIME)               += airprime.o
 obj-$(CONFIG_USB_SERIAL_ANYDATA)                += anydata.o
+obj-$(CONFIG_USB_SERIAL_ARK3116)                += ark3116.o
 obj-$(CONFIG_USB_SERIAL_BELKIN)                 += belkin_sa.o
 obj-$(CONFIG_USB_SERIAL_CP2101)                 += cp2101.o
 obj-$(CONFIG_USB_SERIAL_CYBERJACK)              += cyberjack.o
diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c
index dbf1f063098c..694b205f9b73 100644
--- a/drivers/usb/serial/airprime.c
+++ b/drivers/usb/serial/airprime.c
@@ -18,6 +18,7 @@
 static struct usb_device_id id_table [] = {
         { USB_DEVICE(0xf3d, 0x0112) },  /* AirPrime CDMA Wireless PC Card */
         { USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin CDMA */
+        { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless Aircard 580 */
         { },
 };
 MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
new file mode 100644
index 000000000000..8dec796222a0
--- /dev/null
+++ b/drivers/usb/serial/ark3116.c
@@ -0,0 +1,465 @@
+/*
+ * ark3116
+ * - implements a driver for the arkmicro ark3116 chipset (vendor=0x6547,
+ *   productid=0x0232) (used in a datacable called KQ-U8A)
+ *
+ * - based on code by krisfx -> thanks !!
+ *   (see http://www.linuxquestions.org/questions/showthread.php?p=2184457#post2184457)
+ *
+ *  - based on logs created by usbsnoopy
+ *
+ *  Author   : Simon Schulz [ark3116_driver<AT>auctionant.de]
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include "usb-serial.h"
+
+
+static int debug;
+
+static struct usb_device_id id_table [] = {
+        { USB_DEVICE(0x6547, 0x0232) },
+        { },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+struct ark3116_private {
+        spinlock_t lock;
+        u8 termios_initialized;
+};
+
+static inline void ARK3116_SND(struct usb_serial *serial, int seq,
+                               __u8 request, __u8 requesttype,
+                               __u16 value, __u16 index)
+{
+        int result;
+        result = usb_control_msg(serial->dev,
+                                 usb_sndctrlpipe(serial->dev,0),
+                                 request, requesttype, value, index,
+                                 NULL,0x00, 1000);
+        dbg("%03d > ok",seq);
+}
+
+static inline void ARK3116_RCV(struct usb_serial *serial, int seq,
+                               __u8 request, __u8 requesttype,
+                               __u16 value, __u16 index, __u8 expected,
+                               char *buf)
+{
+        int result;
+        result = usb_control_msg(serial->dev,
+                              usb_rcvctrlpipe(serial->dev,0),
+                              request, requesttype, value, index,
+                              buf, 0x0000001, 1000);
+        if (result)
+                dbg("%03d < %d bytes [0x%02X]",seq, result, buf[0]);
+        else
+                dbg("%03d < 0 bytes", seq);
+}
+
+
+static inline void ARK3116_RCV_QUIET(struct usb_serial *serial,
+                                     __u8 request, __u8 requesttype,
+                                     __u16 value, __u16 index, char *buf)
+{
+        usb_control_msg(serial->dev,
+                        usb_rcvctrlpipe(serial->dev,0),
+                        request, requesttype, value, index,
+                        buf, 0x0000001, 1000);
+}
+
+
+static int ark3116_attach(struct usb_serial *serial)
+{
+        char *buf;
+        struct ark3116_private *priv;
+        int i;
+
+        for (i = 0; i < serial->num_ports; ++i) {
+                priv = kmalloc (sizeof (struct ark3116_private), GFP_KERNEL);
+                if (!priv)
+                        goto cleanup;
+                memset (priv, 0x00, sizeof (struct ark3116_private));
+                spin_lock_init(&priv->lock);
+
+                usb_set_serial_port_data(serial->port[i], priv);
+        }
+
+        buf = kmalloc(1, GFP_KERNEL);
+        if (!buf) {
+                dbg("error kmalloc -> out of mem ?");
+                goto cleanup;
+        }
+
+        /* 3 */
+        ARK3116_SND(serial, 3,0xFE,0x40,0x0008,0x0002);
+        ARK3116_SND(serial, 4,0xFE,0x40,0x0008,0x0001);
+        ARK3116_SND(serial, 5,0xFE,0x40,0x0000,0x0008);
+        ARK3116_SND(serial, 6,0xFE,0x40,0x0000,0x000B);
+
+        /* <-- seq7 */
+        ARK3116_RCV(serial, 7,0xFE,0xC0,0x0000,0x0003, 0x00, buf);
+        ARK3116_SND(serial, 8,0xFE,0x40,0x0080,0x0003);
+        ARK3116_SND(serial, 9,0xFE,0x40,0x001A,0x0000);
+        ARK3116_SND(serial,10,0xFE,0x40,0x0000,0x0001);
+        ARK3116_SND(serial,11,0xFE,0x40,0x0000,0x0003);
+
+        /* <-- seq12 */
+        ARK3116_RCV(serial,12,0xFE,0xC0,0x0000,0x0004, 0x00, buf);
+        ARK3116_SND(serial,13,0xFE,0x40,0x0000,0x0004);
+
+        /* 14 */
+        ARK3116_RCV(serial,14,0xFE,0xC0,0x0000,0x0004, 0x00, buf);
+        ARK3116_SND(serial,15,0xFE,0x40,0x0000,0x0004);
+
+        /* 16 */
+        ARK3116_RCV(serial,16,0xFE,0xC0,0x0000,0x0004, 0x00, buf);
+        /* --> seq17 */
+        ARK3116_SND(serial,17,0xFE,0x40,0x0001,0x0004);
+
+        /* <-- seq18 */
+        ARK3116_RCV(serial,18,0xFE,0xC0,0x0000,0x0004, 0x01, buf);
+
+        /* --> seq19 */
+        ARK3116_SND(serial,19,0xFE,0x40,0x0003,0x0004);
+
+
+        /* <-- seq20 */
+        /* seems like serial port status info (RTS, CTS,...) */
+        /* returns modem control line status ?! */
+        ARK3116_RCV(serial,20,0xFE,0xC0,0x0000,0x0006, 0xFF, buf);
+
+        /* set 9600 baud & do some init ?! */
+        ARK3116_SND(serial,147,0xFE,0x40,0x0083,0x0003);
+        ARK3116_SND(serial,148,0xFE,0x40,0x0038,0x0000);
+        ARK3116_SND(serial,149,0xFE,0x40,0x0001,0x0001);
+        ARK3116_SND(serial,150,0xFE,0x40,0x0003,0x0003);
+        ARK3116_RCV(serial,151,0xFE,0xC0,0x0000,0x0004,0x03, buf);
+        ARK3116_SND(serial,152,0xFE,0x40,0x0000,0x0003);
+        ARK3116_RCV(serial,153,0xFE,0xC0,0x0000,0x0003,0x00, buf);
+        ARK3116_SND(serial,154,0xFE,0x40,0x0003,0x0003);
+
+        kfree(buf);
+        return(0);
+
+cleanup:
+        for (--i; i>=0; --i)
+                usb_set_serial_port_data(serial->port[i], NULL);
+        return -ENOMEM;
+}
+
+static void ark3116_set_termios(struct usb_serial_port *port,
+                                struct termios *old_termios)
+{
+        struct usb_serial *serial = port->serial;
+        struct ark3116_private *priv = usb_get_serial_port_data(port);
+        unsigned int cflag = port->tty->termios->c_cflag;
+        unsigned long flags;
+        int baud;
+        int ark3116_baud;
+        char *buf;
+        char config;
+
+        config = 0;
+
+        dbg("%s - port %d", __FUNCTION__, port->number);
+
+        if ((!port->tty) || (!port->tty->termios)) {
+                dbg("%s - no tty structures", __FUNCTION__);
+                return;
+        }
+
+        spin_lock_irqsave(&priv->lock, flags);
+        if (!priv->termios_initialized) {
+                *(port->tty->termios) = tty_std_termios;
+                port->tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+                priv->termios_initialized = 1;
+        }
+        spin_unlock_irqrestore(&priv->lock, flags);
+
+        cflag = port->tty->termios->c_cflag;
+
+        /* check that they really want us to change something: */
+        if (old_termios) {
+                if ((cflag == old_termios->c_cflag) &&
+                    (RELEVANT_IFLAG(port->tty->termios->c_iflag) ==
+                     RELEVANT_IFLAG(old_termios->c_iflag))) {
+                        dbg("%s - nothing to change...", __FUNCTION__);
+                        return;
+                }
+        }
+
+        buf = kmalloc(1, GFP_KERNEL);
+        if (!buf) {
+                dbg("error kmalloc");
+                return;
+        }
+
+        /* set data bit count (8/7/6/5) */
+        if (cflag & CSIZE){
+                switch (cflag & CSIZE){
+                case CS5:
+                        config |= 0x00;
+                        dbg("setting CS5");
+                        break;
+                case CS6:
+                        config |= 0x01;
+                        dbg("setting CS6");
+                        break;
+                case CS7:
+                        config |= 0x02;
+                        dbg("setting CS7");
+                        break;
+                default:
+                        err ("CSIZE was set but not CS5-CS8, using CS8!");
+                case CS8:
+                        config |= 0x03;
+                        dbg("setting CS8");
+                        break;
+                }
+        }
+
+        /* set parity (NONE,EVEN,ODD) */
+        if (cflag & PARENB){
+                if (cflag & PARODD) {
+                        config |= 0x08;
+                        dbg("setting parity to ODD");
+                } else {
+                        config |= 0x18;
+                        dbg("setting parity to EVEN");
+                }
+        } else {
+                dbg("setting parity to NONE");
+        }
+
+        /* SET STOPBIT (1/2) */
+        if (cflag & CSTOPB) {
+                config |= 0x04;
+                dbg ("setting 2 stop bits");
+        } else {
+                dbg ("setting 1 stop bit");
+        }
+
+
+        /* set baudrate: */
+        baud = 0;
+        switch (cflag & CBAUD){
+                case B0:
+                        err("can't set 0baud, using 9600 instead");
+                        break;
+                case B75:       baud = 75;      break;
+                case B150:      baud = 150;     break;
+                case B300:      baud = 300;     break;
+                case B600:      baud = 600;     break;
+                case B1200:     baud = 1200;    break;
+                case B1800:     baud = 1800;    break;
+                case B2400:     baud = 2400;    break;
+                case B4800:     baud = 4800;    break;
+                case B9600:     baud = 9600;    break;
+                case B19200:    baud = 19200;   break;
+                case B38400:    baud = 38400;   break;
+                case B57600:    baud = 57600;   break;
+                case B115200:   baud = 115200;  break;
+                case B230400:   baud = 230400;  break;
+                case B460800:   baud = 460800;  break;
+                default:
+                        dbg("does not support the baudrate requested (fix it)");
+                        break;
+        }
+
+        /* set 9600 as default (if given baudrate is invalid for example) */
+        if (baud == 0)
+                baud = 9600;
+
+        /*
+         * found by try'n'error, be careful, maybe there are other options
+         * for multiplicator etc!
+         */
+        if (baud == 460800)
+                /* strange, for 460800 the formula is wrong
+                 * (dont use round(), then 9600baud is wrong) */
+                ark3116_baud = 7;
+        else
+                ark3116_baud = 3000000 / baud;
+
+        /* ? */
+        ARK3116_RCV(serial,0,0xFE,0xC0,0x0000,0x0003, 0x03, buf);
+        /* offset = buf[0]; */
+        /* offset = 0x03; */
+        /* dbg("using 0x%04X as target for 0x0003:",0x0080+offset); */
+
+
+        /* set baudrate */
+        dbg("setting baudrate to %d (->reg=%d)",baud,ark3116_baud);
+        ARK3116_SND(serial,147,0xFE,0x40,0x0083,0x0003);
+        ARK3116_SND(serial,148,0xFE,0x40,(ark3116_baud & 0x00FF)   ,0x0000);
+        ARK3116_SND(serial,149,0xFE,0x40,(ark3116_baud & 0xFF00)>>8,0x0001);
+        ARK3116_SND(serial,150,0xFE,0x40,0x0003,0x0003);
+
+        /* ? */
+        ARK3116_RCV(serial,151,0xFE,0xC0,0x0000,0x0004,0x03, buf);
+        ARK3116_SND(serial,152,0xFE,0x40,0x0000,0x0003);
+
+        /* set data bit count, stop bit count & parity: */
+        dbg("updating bit count, stop bit or parity (cfg=0x%02X)", config);
+        ARK3116_RCV(serial,153,0xFE,0xC0,0x0000,0x0003,0x00, buf);
+        ARK3116_SND(serial,154,0xFE,0x40,config,0x0003);
+
+        if (cflag & CRTSCTS)
+                dbg("CRTSCTS not supported by chipset ?!");
+
+        /* TEST ARK3116_SND(154,0xFE,0x40,0xFFFF, 0x0006); */
+
+        kfree(buf);
+        return;
+}
+
+static int ark3116_open(struct usb_serial_port *port, struct file *filp)
+{
+        struct termios tmp_termios;
+        struct usb_serial *serial = port->serial;
+        char *buf;
+        int result = 0;
+
+        dbg("%s -  port %d", __FUNCTION__, port->number);
+
+        buf = kmalloc(1, GFP_KERNEL);
+        if (!buf) {
+                dbg("error kmalloc -> out of mem ?");
+                return -ENOMEM;
+        }
+
+        result = usb_serial_generic_open(port, filp);
+        if (result)
+                return result;
+
+        /* open */
+        ARK3116_RCV(serial,111,0xFE,0xC0,0x0000,0x0003, 0x02, buf);
+
+        ARK3116_SND(serial,112,0xFE,0x40,0x0082,0x0003);
+        ARK3116_SND(serial,113,0xFE,0x40,0x001A,0x0000);
+        ARK3116_SND(serial,114,0xFE,0x40,0x0000,0x0001);
+        ARK3116_SND(serial,115,0xFE,0x40,0x0002,0x0003);
+
+        ARK3116_RCV(serial,116,0xFE,0xC0,0x0000,0x0004, 0x03, buf);
+        ARK3116_SND(serial,117,0xFE,0x40,0x0002,0x0004);
+
+        ARK3116_RCV(serial,118,0xFE,0xC0,0x0000,0x0004, 0x02, buf);
+        ARK3116_SND(serial,119,0xFE,0x40,0x0000,0x0004);
+
+        ARK3116_RCV(serial,120,0xFE,0xC0,0x0000,0x0004, 0x00, buf);
+
+        ARK3116_SND(serial,121,0xFE,0x40,0x0001,0x0004);
+
+        ARK3116_RCV(serial,122,0xFE,0xC0,0x0000,0x0004, 0x01, buf);
+
+        ARK3116_SND(serial,123,0xFE,0x40,0x0003,0x0004);
+
+        /* returns different values (control lines ?!) */
+        ARK3116_RCV(serial,124,0xFE,0xC0,0x0000,0x0006, 0xFF, buf);
+
+        /* initialise termios: */
+        if (port->tty)
+                ark3116_set_termios(port, &tmp_termios);
+
+        kfree(buf);
+
+        return result;
+
+}
+
+static int ark3116_ioctl(struct usb_serial_port *port, struct file *file,
+                         unsigned int cmd, unsigned long arg)
+{
+        dbg("ioctl not supported yet...");
+        return -ENOIOCTLCMD;
+}
+
+static int ark3116_tiocmget(struct usb_serial_port *port, struct file *file)
+{
+        struct usb_serial *serial = port->serial;
+        char *buf;
+        char temp;
+
+        /* seems like serial port status info (RTS, CTS,...) is stored
+         * in reg(?) 0x0006
+         * pcb connection point 11 = GND -> sets bit4 of response
+         * pcb connection point  7 = GND -> sets bit6 of response
+         */
+
+        buf = kmalloc(1, GFP_KERNEL);
+        if (!buf) {
+                dbg("error kmalloc");
+                return -ENOMEM;
+        }
+
+        /* read register: */
+        ARK3116_RCV_QUIET(serial,0xFE,0xC0,0x0000,0x0006,buf);
+        temp = buf[0];
+        kfree(buf);
+
+        /* i do not really know if bit4=CTS and bit6=DSR... was just a
+         * quick guess !!
+         */
+        return  (temp & (1<<4) ? TIOCM_CTS : 0) |
+                (temp & (1<<6) ? TIOCM_DSR : 0);
+}
+
+static struct usb_driver ark3116_driver = {
+        .name =         "ark3116",
+        .probe =        usb_serial_probe,
+        .disconnect =   usb_serial_disconnect,
+        .id_table =     id_table,
+};
+
+static struct usb_serial_driver ark3116_device = {
+        .driver = {
+                .owner =        THIS_MODULE,
+                .name =         "ark3116",
+        },
+        .id_table =             id_table,
+        .num_interrupt_in =     1,
+        .num_bulk_in =          1,
+        .num_bulk_out =         1,
+        .num_ports =            1,
+        .attach =               ark3116_attach,
+        .set_termios =          ark3116_set_termios,
+        .ioctl =                ark3116_ioctl,
+        .tiocmget =             ark3116_tiocmget,
+        .open =                 ark3116_open,
+};
+
+static int __init ark3116_init(void)
+{
+        int retval;
+
+        retval = usb_serial_register(&ark3116_device);
+        if (retval)
+                return retval;
+        retval = usb_register(&ark3116_driver);
+        if (retval)
+                usb_serial_deregister(&ark3116_device);
+        return retval;
+}
+
+static void __exit ark3116_exit(void)
+{
+        usb_deregister(&ark3116_driver);
+        usb_serial_deregister(&ark3116_device);
+}
+
+module_init(ark3116_init);
+module_exit(ark3116_exit);
+MODULE_LICENSE("GPL");
+
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug enabled or not");
+
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 82151207d814..986d7622273d 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -307,6 +307,7 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
 
 
 static struct usb_device_id id_table_combined [] = {
+        { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
@@ -498,6 +499,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
         { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
         { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
         { },                                    /* Optional parameter entry */
         { }                                     /* Terminating entry */
 };
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 2c55a5ea9c99..d69a917e768f 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -32,6 +32,10 @@
 #define FTDI_NF_RIC_PID 0x0001  /* Product Id */
 
 
+/* ACT Solutions HomePro ZWave interface (http://www.act-solutions.com/HomePro.htm) */
+#define FTDI_ACTZWAVE_PID       0xF2D0
+
+
 /* www.irtrans.de device */
 #define FTDI_IRTRANS_PID 0xFC60 /* Product Id */
 
@@ -426,6 +430,11 @@
 #define PAPOUCH_VID                     0x5050  /* Vendor ID */
 #define PAPOUCH_TMU_PID                 0x0400  /* TMU USB Thermometer */
 
+/*
+ * ACG Identification Technologies GmbH products (http://www.acg.de/).
+ * Submitted by anton -at- goto10 -dot- org.
+ */
+#define FTDI_ACG_HFDUAL_PID             0xDD20  /* HF Dual ISO Reader (RFID) */
 
 /* Commands */
 #define FTDI_SIO_RESET          0 /* Reset the port */
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 476cda107f4f..c62cc2876519 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -138,6 +138,7 @@ int usb_serial_generic_open (struct usb_serial_port *port, struct file *filp)
 
         return result;
 }
+EXPORT_SYMBOL_GPL(usb_serial_generic_open);
 
 static void generic_cleanup (struct usb_serial_port *port)
 {
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 4d40704dea2c..238033a87092 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -257,14 +257,14 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf
                 return (0);
         }
 
-        spin_lock(&port->lock);
-        if (port->write_urb_busy) {
-                spin_unlock(&port->lock);
+        spin_lock(&wport->lock);
+        if (wport->write_urb_busy) {
+                spin_unlock(&wport->lock);
                 dbg("%s - already writing", __FUNCTION__);
                 return 0;
         }
-        port->write_urb_busy = 1;
-        spin_unlock(&port->lock);
+        wport->write_urb_busy = 1;
+        spin_unlock(&wport->lock);
 
         count = (count > OMNINET_BULKOUTSIZE) ? OMNINET_BULKOUTSIZE : count;
 
@@ -283,7 +283,7 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf
         wport->write_urb->dev = serial->dev;
         result = usb_submit_urb(wport->write_urb, GFP_ATOMIC);
         if (result) {
-                port->write_urb_busy = 0;
+                wport->write_urb_busy = 0;
                 err("%s - failed submitting write urb, error %d", __FUNCTION__, result);
         } else
                 result = count;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 071f86a59c08..9c36f0ece20f 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -189,11 +189,15 @@ static int serial_open (struct tty_struct *tty, struct file * filp)
 
         portNumber = tty->index - serial->minor;
         port = serial->port[portNumber];
-        if (!port)
-                return -ENODEV;
+        if (!port) {
+                retval = -ENODEV;
+                goto bailout_kref_put;
+        }
 
-        if (mutex_lock_interruptible(&port->mutex))
-                return -ERESTARTSYS;
+        if (mutex_lock_interruptible(&port->mutex)) {
+                retval = -ERESTARTSYS;
+                goto bailout_kref_put;
+        }
          
         ++port->open_count;
 
@@ -209,7 +213,7 @@ static int serial_open (struct tty_struct *tty, struct file * filp)
                  * safe because we are called with BKL held */
                 if (!try_module_get(serial->type->driver.owner)) {
                         retval = -ENODEV;
-                        goto bailout_kref_put;
+                        goto bailout_mutex_unlock;
                 }
 
                 /* only call the device specific open if this 
@@ -224,10 +228,11 @@ static int serial_open (struct tty_struct *tty, struct file * filp)
 
 bailout_module_put:
         module_put(serial->type->driver.owner);
-bailout_kref_put:
-        kref_put(&serial->kref, destroy_serial);
+bailout_mutex_unlock:
         port->open_count = 0;
         mutex_unlock(&port->mutex);
+bailout_kref_put:
+        kref_put(&serial->kref, destroy_serial);
         return retval;
 }
 
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 334b1db1bd7c..27597c576eff 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -29,12 +29,15 @@ static ssize_t backlight_show_power(struct class_device *cdev, char *buf)
 
 static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, size_t count)
 {
-        int rc = -ENXIO, power;
+        int rc = -ENXIO;
         char *endp;
         struct backlight_device *bd = to_backlight_device(cdev);
+        int power = simple_strtoul(buf, &endp, 0);
+        size_t size = endp - buf;
 
-        power = simple_strtoul(buf, &endp, 0);
-        if (*endp && !isspace(*endp))
+        if (*endp && isspace(*endp))
+                size++;
+        if (size != count)
                 return -EINVAL;
 
         down(&bd->sem);
@@ -65,12 +68,15 @@ static ssize_t backlight_show_brightness(struct class_device *cdev, char *buf)
 
 static ssize_t backlight_store_brightness(struct class_device *cdev, const char *buf, size_t count)
 {
-        int rc = -ENXIO, brightness;
+        int rc = -ENXIO;
         char *endp;
         struct backlight_device *bd = to_backlight_device(cdev);
+        int brightness = simple_strtoul(buf, &endp, 0);
+        size_t size = endp - buf;
 
-        brightness = simple_strtoul(buf, &endp, 0);
-        if (*endp && !isspace(*endp))
+        if (*endp && isspace(*endp))
+                size++;
+        if (size != count)
                 return -EINVAL;
 
         down(&bd->sem);
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 86908a60c630..bc8ab005a3fb 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -31,12 +31,15 @@ static ssize_t lcd_show_power(struct class_device *cdev, char *buf)
 
 static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_t count)
 {
-        int rc, power;
+        int rc = -ENXIO;
         char *endp;
         struct lcd_device *ld = to_lcd_device(cdev);
+        int power = simple_strtoul(buf, &endp, 0);
+        size_t size = endp - buf;
 
-        power = simple_strtoul(buf, &endp, 0);
-        if (*endp && !isspace(*endp))
+        if (*endp && isspace(*endp))
+                size++;
+        if (size != count)
                 return -EINVAL;
 
         down(&ld->sem);
@@ -44,8 +47,7 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_
                 pr_debug("lcd: set power to %d\n", power);
                 ld->props->set_power(ld, power);
                 rc = count;
-        } else
-                rc = -ENXIO;
+        }
         up(&ld->sem);
 
         return rc;
@@ -53,14 +55,12 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_
 
 static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf)
 {
-        int rc;
+        int rc = -ENXIO;
         struct lcd_device *ld = to_lcd_device(cdev);
 
         down(&ld->sem);
         if (likely(ld->props && ld->props->get_contrast))
                 rc = sprintf(buf, "%d\n", ld->props->get_contrast(ld));
-        else
-                rc = -ENXIO;
         up(&ld->sem);
 
         return rc;
@@ -68,12 +68,15 @@ static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf)
 
 static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, size_t count)
 {
-        int rc, contrast;
+        int rc = -ENXIO;
         char *endp;
         struct lcd_device *ld = to_lcd_device(cdev);
+        int contrast = simple_strtoul(buf, &endp, 0);
+        size_t size = endp - buf;
 
-        contrast = simple_strtoul(buf, &endp, 0);
-        if (*endp && !isspace(*endp))
+        if (*endp && isspace(*endp))
+                size++;
+        if (size != count)
                 return -EINVAL;
 
         down(&ld->sem);
@@ -81,8 +84,7 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si
                 pr_debug("lcd: set contrast to %d\n", contrast);
                 ld->props->set_contrast(ld, contrast);
                 rc = count;
-        } else
-                rc = -ENXIO;
+        }
         up(&ld->sem);
 
         return rc;
@@ -90,14 +92,12 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si
 
 static ssize_t lcd_show_max_contrast(struct class_device *cdev, char *buf)
 {
-        int rc;
+        int rc = -ENXIO;
         struct lcd_device *ld = to_lcd_device(cdev);
 
         down(&ld->sem);
         if (likely(ld->props))
                 rc = sprintf(buf, "%d\n", ld->props->max_contrast);
-        else
-                rc = -ENXIO;
         up(&ld->sem);
 
         return rc;
diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile
index 4ef5cd19609d..b985dfad6c63 100644
--- a/drivers/video/logo/Makefile
+++ b/drivers/video/logo/Makefile
@@ -34,7 +34,7 @@ extra-y += $(call logo-cfiles,_clut224,ppm)
 extra-y += $(call logo-cfiles,_gray256,pgm)
 
 # Create commands like "pnmtologo -t mono -n logo_mac_mono -o ..."
-quiet_cmd_logo = LOGO   $@
+quiet_cmd_logo = LOGO    $@
         cmd_logo = scripts/pnmtologo \
                         -t $(patsubst $*_%,%,$(notdir $(basename $<))) \
                         -n $(notdir $(basename $<)) -o $@ $<