56 files changed, 645 insertions, 392 deletions
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index c2d621632383..3ef9d514b916 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -139,7 +139,7 @@ static int __cpuinit topology_sysfs_init(void)
                                (void *)(long)i);
        }
-        register_cpu_notifier(&topology_cpu_notifier);
+        register_hotcpu_notifier(&topology_cpu_notifier);
        return 0;
 }
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 1c4df22dfd2a..7b0eca703a67 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1233,6 +1233,50 @@ static inline void complete_buffers(struct bio *bio, int status)
        }
 }
+static void cciss_check_queues(ctlr_info_t *h)
+{
+        int start_queue = h->next_to_run;
+        int i;
+        /* check to see if we have maxed out the number of commands that can
+         * be placed on the queue.  If so then exit.  We do this check here
+         * in case the interrupt we serviced was from an ioctl and did not
+         * free any new commands.
+         */
+        if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS)
+                return;
+        /* We have room on the queue for more commands.  Now we need to queue
+         * them up.  We will also keep track of the next queue to run so
+         * that every queue gets a chance to be started first.
+         */
+        for (i = 0; i < h->highest_lun + 1; i++) {
+                int curr_queue = (start_queue + i) % (h->highest_lun + 1);
+                /* make sure the disk has been added and the drive is real
+                 * because this can be called from the middle of init_one.
+                 */
+                if (!(h->drv[curr_queue].queue) || !(h->drv[curr_queue].heads))
+                        continue;
+                blk_start_queue(h->gendisk[curr_queue]->queue);
+                /* check to see if we have maxed out the number of commands
+                 * that can be placed on the queue.
+                 */
+                if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS) {
+                        if (curr_queue == start_queue) {
+                                h->next_to_run =
+                                    (start_queue + 1) % (h->highest_lun + 1);
+                                break;
+                        } else {
+                                h->next_to_run = curr_queue;
+                                break;
+                        }
+                } else {
+                        curr_queue = (curr_queue + 1) % (h->highest_lun + 1);
+                }
+        }
+}
 static void cciss_softirq_done(struct request *rq)
 {
        CommandList_struct *cmd = rq->completion_data;
@@ -1264,6 +1308,7 @@ static void cciss_softirq_done(struct request *rq)
        spin_lock_irqsave(&h->lock, flags);
        end_that_request_last(rq, rq->errors);
        cmd_free(h, cmd, 1);
+        cciss_check_queues(h);
        spin_unlock_irqrestore(&h->lock, flags);
 }
@@ -2528,8 +2573,6 @@ static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs)
        CommandList_struct *c;
        unsigned long flags;
        __u32 a, a1, a2;
-        int j;
-        int start_queue = h->next_to_run;
        if (interrupt_not_for_us(h))
                return IRQ_NONE;
@@ -2588,45 +2631,6 @@ static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs)
                }
        }
-        /* check to see if we have maxed out the number of commands that can
-         * be placed on the queue.  If so then exit.  We do this check here
-         * in case the interrupt we serviced was from an ioctl and did not
-         * free any new commands.
-         */
-        if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS)
-                goto cleanup;
-        /* We have room on the queue for more commands.  Now we need to queue
-         * them up.  We will also keep track of the next queue to run so
-         * that every queue gets a chance to be started first.
-         */
-        for (j = 0; j < h->highest_lun + 1; j++) {
-                int curr_queue = (start_queue + j) % (h->highest_lun + 1);
-                /* make sure the disk has been added and the drive is real
-                 * because this can be called from the middle of init_one.
-                 */
-                if (!(h->drv[curr_queue].queue) || !(h->drv[curr_queue].heads))
-                        continue;
-                blk_start_queue(h->gendisk[curr_queue]->queue);
-                /* check to see if we have maxed out the number of commands
-                 * that can be placed on the queue.
-                 */
-                if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS) {
-                        if (curr_queue == start_queue) {
-                                h->next_to_run =
-                                    (start_queue + 1) % (h->highest_lun + 1);
-                                goto cleanup;
-                        } else {
-                                h->next_to_run = curr_queue;
-                                goto cleanup;
-                        }
-                } else {
-                        curr_queue = (curr_queue + 1) % (h->highest_lun + 1);
-                }
-        }
-      cleanup:
        spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
        return IRQ_HANDLED;
 }
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 0a1b1ea36ddc..bdbade9a5cf5 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -300,6 +300,15 @@ static struct request *nbd_read_stat(struct nbd_device *lo)
                                lo->disk->disk_name, result);
                goto harderror;
        }
+        if (ntohl(reply.magic) != NBD_REPLY_MAGIC) {
+                printk(KERN_ERR "%s: Wrong magic (0x%lx)\n",
+                                lo->disk->disk_name,
+                                (unsigned long)ntohl(reply.magic));
+                result = -EPROTO;
+                goto harderror;
+        }
        req = nbd_find_request(lo, reply.handle);
        if (unlikely(IS_ERR(req))) {
                result = PTR_ERR(req);
@@ -312,13 +321,6 @@ static struct request *nbd_read_stat(struct nbd_device *lo)
                goto harderror;
        }
-        if (ntohl(reply.magic) != NBD_REPLY_MAGIC) {
-                printk(KERN_ERR "%s: Wrong magic (0x%lx)\n",
-                                lo->disk->disk_name,
-                                (unsigned long)ntohl(reply.magic));
-                result = -EPROTO;
-                goto harderror;
-        }
        if (ntohl(reply.error)) {
                printk(KERN_ERR "%s: Other side returned error (%d)\n",
                                lo->disk->disk_name, ntohl(reply.error));
@@ -339,7 +341,8 @@ static struct request *nbd_read_stat(struct nbd_device *lo)
                                        printk(KERN_ERR "%s: Receive data failed (result %d)\n",
                                                        lo->disk->disk_name,
                                                        result);
-                                        goto harderror;
+                                        req->errors++;
+                                        return req;
                                }
                                dprintk(DBG_RX, "%s: request %p: got %d bytes data\n",
                                        lo->disk->disk_name, req, bvec->bv_len);
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index bde2c64b6346..451b996bba91 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2577,19 +2577,19 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm
        case PKT_CTRL_CMD_SETUP:
                if (!capable(CAP_SYS_ADMIN))
                        return -EPERM;
-                mutex_lock(&ctl_mutex);
+                mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
                ret = pkt_setup_dev(&ctrl_cmd);
                mutex_unlock(&ctl_mutex);
                break;
        case PKT_CTRL_CMD_TEARDOWN:
                if (!capable(CAP_SYS_ADMIN))
                        return -EPERM;
-                mutex_lock(&ctl_mutex);
+                mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
                ret = pkt_remove_dev(&ctrl_cmd);
                mutex_unlock(&ctl_mutex);
                break;
        case PKT_CTRL_CMD_STATUS:
-                mutex_lock(&ctl_mutex);
+                mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
                pkt_get_status(&ctrl_cmd);
                mutex_unlock(&ctl_mutex);
                break;
diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c
index be61f22ee7bb..d37ced0d132b 100644
--- a/drivers/char/hw_random/geode-rng.c
+++ b/drivers/char/hw_random/geode-rng.c
@@ -107,10 +107,14 @@ found:
        if (err) {
                printk(KERN_ERR PFX "RNG registering failed (%d)\n",
                       err);
-                goto out;
+                goto err_unmap;
        }
 out:
        return err;
+err_unmap:
+        iounmap(mem);
+        goto out;
 }
 static void __exit mod_exit(void)
diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c
index 6594bd5645f4..ccd7e7102234 100644
--- a/drivers/char/hw_random/intel-rng.c
+++ b/drivers/char/hw_random/intel-rng.c
@@ -164,7 +164,7 @@ static int __init mod_init(void)
        if (err) {
                printk(KERN_ERR PFX "RNG registering failed (%d)\n",
                       err);
-                goto out;
+                goto err_unmap;
        }
 out:
        return err;
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index 645eb81cb5a9..84e5a68635f1 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -221,7 +221,6 @@ static struct nsc_gpio_ops pc8736x_gpio_ops = {
        .gpio_change    = pc8736x_gpio_change,
        .gpio_current   = pc8736x_gpio_current
 };
-EXPORT_SYMBOL(pc8736x_gpio_ops);
 static int pc8736x_gpio_open(struct inode *inode, struct file *file)
 {
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index 498aa37bca22..3ece69231343 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -51,6 +51,7 @@ void proc_fork_connector(struct task_struct *task)
        struct cn_msg *msg;
        struct proc_event *ev;
        __u8 buffer[CN_PROC_MSG_SIZE];
+        struct timespec ts;
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
@@ -58,7 +59,8 @@ void proc_fork_connector(struct task_struct *task)
        msg = (struct cn_msg*)buffer;
        ev = (struct proc_event*)msg->data;
        get_seq(&msg->seq, &ev->cpu);
-        ktime_get_ts(&ev->timestamp); /* get high res monotonic timestamp */
+        ktime_get_ts(&ts); /* get high res monotonic timestamp */
+        ev->timestamp_ns = timespec_to_ns(&ts);
        ev->what = PROC_EVENT_FORK;
        ev->event_data.fork.parent_pid = task->real_parent->pid;
        ev->event_data.fork.parent_tgid = task->real_parent->tgid;
@@ -76,6 +78,7 @@ void proc_exec_connector(struct task_struct *task)
 {
        struct cn_msg *msg;
        struct proc_event *ev;
+        struct timespec ts;
        __u8 buffer[CN_PROC_MSG_SIZE];
        if (atomic_read(&proc_event_num_listeners) < 1)
@@ -84,7 +87,8 @@ void proc_exec_connector(struct task_struct *task)
        msg = (struct cn_msg*)buffer;
        ev = (struct proc_event*)msg->data;
        get_seq(&msg->seq, &ev->cpu);
-        ktime_get_ts(&ev->timestamp);
+        ktime_get_ts(&ts); /* get high res monotonic timestamp */
+        ev->timestamp_ns = timespec_to_ns(&ts);
        ev->what = PROC_EVENT_EXEC;
        ev->event_data.exec.process_pid = task->pid;
        ev->event_data.exec.process_tgid = task->tgid;
@@ -100,6 +104,7 @@ void proc_id_connector(struct task_struct *task, int which_id)
        struct cn_msg *msg;
        struct proc_event *ev;
        __u8 buffer[CN_PROC_MSG_SIZE];
+        struct timespec ts;
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
@@ -118,7 +123,8 @@ void proc_id_connector(struct task_struct *task, int which_id)
        } else
                return;
        get_seq(&msg->seq, &ev->cpu);
-        ktime_get_ts(&ev->timestamp);
+        ktime_get_ts(&ts); /* get high res monotonic timestamp */
+        ev->timestamp_ns = timespec_to_ns(&ts);
        memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id));
        msg->ack = 0; /* not used */
@@ -131,6 +137,7 @@ void proc_exit_connector(struct task_struct *task)
        struct cn_msg *msg;
        struct proc_event *ev;
        __u8 buffer[CN_PROC_MSG_SIZE];
+        struct timespec ts;
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
@@ -138,7 +145,8 @@ void proc_exit_connector(struct task_struct *task)
        msg = (struct cn_msg*)buffer;
        ev = (struct proc_event*)msg->data;
        get_seq(&msg->seq, &ev->cpu);
-        ktime_get_ts(&ev->timestamp);
+        ktime_get_ts(&ts); /* get high res monotonic timestamp */
+        ev->timestamp_ns = timespec_to_ns(&ts);
        ev->what = PROC_EVENT_EXIT;
        ev->event_data.exit.process_pid = task->pid;
        ev->event_data.exit.process_tgid = task->tgid;
@@ -164,6 +172,7 @@ static void cn_proc_ack(int err, int rcvd_seq, int rcvd_ack)
        struct cn_msg *msg;
        struct proc_event *ev;
        __u8 buffer[CN_PROC_MSG_SIZE];
+        struct timespec ts;
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
@@ -171,7 +180,8 @@ static void cn_proc_ack(int err, int rcvd_seq, int rcvd_ack)
        msg = (struct cn_msg*)buffer;
        ev = (struct proc_event*)msg->data;
        msg->seq = rcvd_seq;
-        ktime_get_ts(&ev->timestamp);
+        ktime_get_ts(&ts); /* get high res monotonic timestamp */
+        ev->timestamp_ns = timespec_to_ns(&ts);
        ev->cpu = -1;
        ev->what = PROC_EVENT_NONE;
        ev->event_data.ack.err = err;
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 8d328186f774..bc1088d9b379 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -364,10 +364,12 @@ static ssize_t store_##file_name					\
        if (ret != 1)                                                   \
                return -EINVAL;                                         \
                                                                        \
+        lock_cpu_hotplug();                                             \
        mutex_lock(&policy->lock);                                      \
        ret = __cpufreq_set_policy(policy, &new_policy);                \
        policy->user_policy.object = policy->object;                    \
        mutex_unlock(&policy->lock);                                    \
+        unlock_cpu_hotplug();                                           \
                                                                        \
        return ret ? ret : count;                                       \
 }
@@ -1197,20 +1199,18 @@ EXPORT_SYMBOL(cpufreq_unregister_notifier);
 *********************************************************************/
+/* Must be called with lock_cpu_hotplug held */
 int __cpufreq_driver_target(struct cpufreq_policy *policy,
                            unsigned int target_freq,
                            unsigned int relation)
 {
        int retval = -EINVAL;
-        lock_cpu_hotplug();
        dprintk("target for CPU %u: %u kHz, relation %u\n", policy->cpu,
                target_freq, relation);
        if (cpu_online(policy->cpu) && cpufreq_driver->target)
                retval = cpufreq_driver->target(policy, target_freq, relation);
-        unlock_cpu_hotplug();
        return retval;
 }
 EXPORT_SYMBOL_GPL(__cpufreq_driver_target);
@@ -1225,17 +1225,23 @@ int cpufreq_driver_target(struct cpufreq_policy *policy,
        if (!policy)
                return -EINVAL;
+        lock_cpu_hotplug();
        mutex_lock(&policy->lock);
        ret = __cpufreq_driver_target(policy, target_freq, relation);
        mutex_unlock(&policy->lock);
+        unlock_cpu_hotplug();
        cpufreq_cpu_put(policy);
        return ret;
 }
 EXPORT_SYMBOL_GPL(cpufreq_driver_target);
+/*
+ * Locking: Must be called with the lock_cpu_hotplug() lock held
+ * when "event" is CPUFREQ_GOV_LIMITS
+ */
 static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event)
 {
@@ -1257,24 +1263,6 @@ static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event)
 }
-int cpufreq_governor(unsigned int cpu, unsigned int event)
-{
-        int ret = 0;
-        struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
-        if (!policy)
-                return -EINVAL;
-        mutex_lock(&policy->lock);
-        ret = __cpufreq_governor(policy, event);
-        mutex_unlock(&policy->lock);
-        cpufreq_cpu_put(policy);
-        return ret;
-}
-EXPORT_SYMBOL_GPL(cpufreq_governor);
 int cpufreq_register_governor(struct cpufreq_governor *governor)
 {
        struct cpufreq_governor *t;
@@ -1342,6 +1330,9 @@ int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu)
 EXPORT_SYMBOL(cpufreq_get_policy);
+/*
+ * Locking: Must be called with the lock_cpu_hotplug() lock held
+ */
 static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_policy *policy)
 {
        int ret = 0;
@@ -1436,6 +1427,8 @@ int cpufreq_set_policy(struct cpufreq_policy *policy)
        if (!data)
                return -EINVAL;
+        lock_cpu_hotplug();
        /* lock this CPU */
        mutex_lock(&data->lock);
@@ -1446,6 +1439,8 @@ int cpufreq_set_policy(struct cpufreq_policy *policy)
        data->user_policy.governor = data->governor;
        mutex_unlock(&data->lock);
+        unlock_cpu_hotplug();
        cpufreq_cpu_put(data);
        return ret;
@@ -1469,6 +1464,7 @@ int cpufreq_update_policy(unsigned int cpu)
        if (!data)
                return -ENODEV;
+        lock_cpu_hotplug();
        mutex_lock(&data->lock);
        dprintk("updating policy for CPU %u\n", cpu);
@@ -1494,7 +1490,7 @@ int cpufreq_update_policy(unsigned int cpu)
        ret = __cpufreq_set_policy(data, &policy);
        mutex_unlock(&data->lock);
+        unlock_cpu_hotplug();
        cpufreq_cpu_put(data);
        return ret;
 }
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index b3ebc8f01975..c4c578defabf 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -525,7 +525,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                break;
        case CPUFREQ_GOV_LIMITS:
-                lock_cpu_hotplug();
                mutex_lock(&dbs_mutex);
                if (policy->max < this_dbs_info->cur_policy->cur)
                        __cpufreq_driver_target(
@@ -536,7 +535,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                                        this_dbs_info->cur_policy,
                                        policy->min, CPUFREQ_RELATION_L);
                mutex_unlock(&dbs_mutex);
-                unlock_cpu_hotplug();
                break;
        }
        return 0;
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 178f0c547eb7..52cf1f021825 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -309,7 +309,9 @@ static void do_dbs_timer(void *data)
        if (!dbs_info->enable)
                return;
+        lock_cpu_hotplug();
        dbs_check_cpu(dbs_info);
+        unlock_cpu_hotplug();
        queue_delayed_work_on(cpu, kondemand_wq, &dbs_info->work,
                        usecs_to_jiffies(dbs_tuners_ins.sampling_rate));
 }
@@ -412,7 +414,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                break;
        case CPUFREQ_GOV_LIMITS:
-                lock_cpu_hotplug();
                mutex_lock(&dbs_mutex);
                if (policy->max < this_dbs_info->cur_policy->cur)
                        __cpufreq_driver_target(this_dbs_info->cur_policy,
@@ -423,7 +424,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                                                policy->min,
                                                CPUFREQ_RELATION_L);
                mutex_unlock(&dbs_mutex);
-                unlock_cpu_hotplug();
                break;
        }
        return 0;
diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c
index 44ae5e5b94cf..a06c204589cd 100644
--- a/drivers/cpufreq/cpufreq_userspace.c
+++ b/drivers/cpufreq/cpufreq_userspace.c
@@ -18,6 +18,7 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/cpufreq.h>
+#include <linux/cpu.h>
 #include <linux/types.h>
 #include <linux/fs.h>
 #include <linux/sysfs.h>
@@ -70,6 +71,7 @@ static int cpufreq_set(unsigned int freq, struct cpufreq_policy *policy)
        dprintk("cpufreq_set for cpu %u, freq %u kHz\n", policy->cpu, freq);
+        lock_cpu_hotplug();
        mutex_lock(&userspace_mutex);
        if (!cpu_is_managed[policy->cpu])
                goto err;
@@ -92,6 +94,7 @@ static int cpufreq_set(unsigned int freq, struct cpufreq_policy *policy)
 err:
        mutex_unlock(&userspace_mutex);
+        unlock_cpu_hotplug();
        return ret;
 }
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 53bba41f29bc..b6fb167e20f6 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -682,6 +682,7 @@ config BLK_DEV_SVWKS
 config BLK_DEV_SGIIOC4
        tristate "Silicon Graphics IOC4 chipset ATA/ATAPI support"
        depends on (IA64_SGI_SN2 || IA64_GENERIC) && SGI_IOC4
+        select IDEPCI_SHARE_IRQ
        help
          This driver adds PIO & MultiMode DMA-2 support for the SGI IOC4
          chipset, which has one channel and can support two devices.
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f712e4cfd9dc..7cf3eb023521 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -776,7 +776,7 @@ static void update_ordered(ide_drive_t *drive)
                 * not available so we don't need to recheck that.
                 */
                capacity = idedisk_capacity(drive);
-                barrier = ide_id_has_flush_cache(id) &&
+                barrier = ide_id_has_flush_cache(id) && !drive->noflush &&
                        (drive->addressing == 0 || capacity <= (1ULL << 28) ||
                         ide_id_has_flush_cache_ext(id));
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 98918fb6b2ce..7c3a13e1cf64 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -750,7 +750,7 @@ void ide_dma_verbose(ide_drive_t *drive)
                        goto bug_dma_off;
                printk(", DMA");
        } else if (id->field_valid & 1) {
-                printk(", BUG");
+                goto bug_dma_off;
        }
        return;
 bug_dma_off:
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 657165297dc7..77703acaec17 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -23,6 +23,7 @@
 #include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/bitops.h>
+#include <linux/nmi.h>
 #include <asm/byteorder.h>
 #include <asm/irq.h>
@@ -1243,6 +1244,7 @@ int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout)
                if (stat == 0xff)
                        return -ENODEV;
                touch_softlockup_watchdog();
+                touch_nmi_watchdog();
        }
        return -EBUSY;
 }
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 05fbd9298db7..defd4b4bd374 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1539,7 +1539,7 @@ static int __init ide_setup(char *s)
                const char *hd_words[] = {
                        "none", "noprobe", "nowerr", "cdrom", "serialize",
                        "autotune", "noautotune", "minus8", "swapdata", "bswap",
-                        "minus11", "remap", "remap63", "scsi", NULL };
+                        "noflush", "remap", "remap63", "scsi", NULL };
                unit = s[2] - 'a';
                hw   = unit / MAX_DRIVES;
                unit = unit % MAX_DRIVES;
@@ -1578,6 +1578,9 @@ static int __init ide_setup(char *s)
                        case -10: /* "bswap" */
                                drive->bswap = 1;
                                goto done;
+                        case -11: /* noflush */
+                                drive->noflush = 1;
+                                goto done;
                        case -12: /* "remap" */
                                drive->remap_0_to_1 = 1;
                                goto done;
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 3cb04424d351..e9bad185968a 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -498,9 +498,14 @@ static int config_chipset_for_dma (ide_drive_t *drive)
 {
        u8 speed        = ide_dma_speed(drive, it821x_ratemask(drive));
-        config_it821x_chipset_for_pio(drive, !speed);
+        if (speed) {
-        it821x_tune_chipset(drive, speed);
+                config_it821x_chipset_for_pio(drive, 0);
-        return ide_dma_enable(drive);
+                it821x_tune_chipset(drive, speed);
+                return ide_dma_enable(drive);
+        }
+        return 0;
 }
 /**
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 44708b5e582d..d5d649f5ccdb 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -124,8 +124,6 @@ config PMAC_BACKLIGHT
        bool "Backlight control for LCD screens"
        depends on ADB_PMU && FB = y && (BROKEN || !PPC64)
        select FB_BACKLIGHT
-        select BACKLIGHT_CLASS_DEVICE
-        select BACKLIGHT_LCD_SUPPORT
        help
          Say Y here to enable Macintosh specific extensions of the generic
          backlight code. With this enabled, the brightness keys on older
diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c
index 545be1ed6927..c69d23bb255e 100644
--- a/drivers/macintosh/adbhid.c
+++ b/drivers/macintosh/adbhid.c
@@ -45,14 +45,11 @@
 #include <linux/pmu.h>
 #include <asm/machdep.h>
+#include <asm/backlight.h>
 #ifdef CONFIG_PPC_PMAC
 #include <asm/pmac_feature.h>
 #endif
-#ifdef CONFIG_PMAC_BACKLIGHT
-#include <asm/backlight.h>
-#endif
 MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>");
 #define KEYB_KEYREG     0       /* register # for key up/down data */
@@ -237,11 +234,6 @@ static struct adb_ids keyboard_ids;
 static struct adb_ids mouse_ids;
 static struct adb_ids buttons_ids;
-#ifdef CONFIG_PMAC_BACKLIGHT
-/* Exported to via-pmu.c */
-int disable_kernel_backlight = 0;
-#endif /* CONFIG_PMAC_BACKLIGHT */
 /* Kind of keyboard, see Apple technote 1152  */
 #define ADB_KEYBOARD_UNKNOWN    0
 #define ADB_KEYBOARD_ANSI       0x0100
@@ -527,7 +519,7 @@ adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int auto
                case 0xa:       /* brightness decrease */
 #ifdef CONFIG_PMAC_BACKLIGHT
-                        if (!disable_kernel_backlight && down)
+                        if (down)
                                pmac_backlight_key_down();
 #endif
                        input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
@@ -535,7 +527,7 @@ adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int auto
                case 0x9:       /* brightness increase */
 #ifdef CONFIG_PMAC_BACKLIGHT
-                        if (!disable_kernel_backlight && down)
+                        if (down)
                                pmac_backlight_key_up();
 #endif
                        input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down);
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index b42d05f2aaff..d3f8d75bcbb4 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -15,8 +15,9 @@
 #define MAX_PMU_LEVEL 0xFF
-static struct device_node *vias;
 static struct backlight_properties pmu_backlight_data;
+static spinlock_t pmu_backlight_lock;
+static int sleeping;
 static int pmu_backlight_get_level_brightness(struct fb_info *info,
                int level)
@@ -40,23 +41,36 @@ static int pmu_backlight_update_status(struct backlight_device *bd)
 {
        struct fb_info *info = class_get_devdata(&bd->class_dev);
        struct adb_request req;
-        int pmulevel, level = bd->props->brightness;
+        unsigned long flags;
+        int level = bd->props->brightness;
-        if (vias == NULL)
+        spin_lock_irqsave(&pmu_backlight_lock, flags);
-                return -ENODEV;
+        /* Don't update brightness when sleeping */
+        if (sleeping)
+                goto out;
        if (bd->props->power != FB_BLANK_UNBLANK ||
            bd->props->fb_blank != FB_BLANK_UNBLANK)
                level = 0;
-        pmulevel = pmu_backlight_get_level_brightness(info, level);
+        if (level > 0) {
+                int pmulevel = pmu_backlight_get_level_brightness(info, level);
-        pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, pmulevel);
+                pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, pmulevel);
-        pmu_wait_complete(&req);
+                pmu_wait_complete(&req);
-        pmu_request(&req, NULL, 2, PMU_POWER_CTRL,
+                pmu_request(&req, NULL, 2, PMU_POWER_CTRL,
-                PMU_POW_BACKLIGHT | (level > 0 ? PMU_POW_ON : PMU_POW_OFF));
+                        PMU_POW_BACKLIGHT | PMU_POW_ON);
-        pmu_wait_complete(&req);
+                pmu_wait_complete(&req);
+        } else {
+                pmu_request(&req, NULL, 2, PMU_POWER_CTRL,
+                        PMU_POW_BACKLIGHT | PMU_POW_OFF);
+                pmu_wait_complete(&req);
+        }
+out:
+        spin_unlock_irqrestore(&pmu_backlight_lock, flags);
        return 0;
 }
@@ -73,15 +87,39 @@ static struct backlight_properties pmu_backlight_data = {
        .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
 };
-void __init pmu_backlight_init(struct device_node *in_vias)
+#ifdef CONFIG_PM
+static int pmu_backlight_sleep_call(struct pmu_sleep_notifier *self, int when)
+{
+        unsigned long flags;
+        spin_lock_irqsave(&pmu_backlight_lock, flags);
+        switch (when) {
+        case PBOOK_SLEEP_REQUEST:
+                sleeping = 1;
+                break;
+        case PBOOK_WAKE:
+                sleeping = 0;
+                break;
+        }
+        spin_unlock_irqrestore(&pmu_backlight_lock, flags);
+        return PBOOK_SLEEP_OK;
+}
+static struct pmu_sleep_notifier pmu_backlight_sleep_notif = {
+        .notifier_call = pmu_backlight_sleep_call,
+};
+#endif
+void __init pmu_backlight_init()
 {
        struct backlight_device *bd;
        struct fb_info *info;
        char name[10];
        int level, autosave;
-        vias = in_vias;
        /* Special case for the old PowerBook since I can't test on it */
        autosave =
                machine_is_compatible("AAPL,3400/2400") ||
@@ -141,6 +179,10 @@ void __init pmu_backlight_init(struct device_node *in_vias)
                pmac_backlight = bd;
        mutex_unlock(&pmac_backlight_mutex);
+#ifdef CONFIG_PM
+        pmu_register_sleep_notifier(&pmu_backlight_sleep_notif);
+#endif
        printk("pmubl: Backlight initialized (%s)\n", name);
        return;
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 06ca80bfd6b9..ea386801e215 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -16,7 +16,6 @@
 *    a sleep or a freq. switch
 *  - Move sleep code out of here to pmac_pm, merge into new
 *    common PM infrastructure
- *  - Move backlight code out as well
 *  - Save/Restore PCI space properly
 *
 */
@@ -60,9 +59,7 @@
 #include <asm/mmu_context.h>
 #include <asm/cputable.h>
 #include <asm/time.h>
-#ifdef CONFIG_PMAC_BACKLIGHT
 #include <asm/backlight.h>
-#endif
 #include "via-pmu-event.h"
@@ -177,10 +174,6 @@ static int query_batt_timer = BATTERY_POLLING_COUNT;
 static struct adb_request batt_req;
 static struct proc_dir_entry *proc_pmu_batt[PMU_MAX_BATTERIES];
-#if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
-extern int disable_kernel_backlight;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */
 int __fake_sleep;
 int asleep;
 BLOCKING_NOTIFIER_HEAD(sleep_notifier_list);
@@ -466,7 +459,7 @@ static int __init via_pmu_dev_init(void)
 #ifdef CONFIG_PMAC_BACKLIGHT
        /* Initialize backlight */
-        pmu_backlight_init(vias);
+        pmu_backlight_init();
 #endif
 #ifdef CONFIG_PPC32
@@ -1403,11 +1396,8 @@ next:
        else if ((1 << pirq) & PMU_INT_SNDBRT) {
 #ifdef CONFIG_PMAC_BACKLIGHT
                if (len == 3)
-#ifdef CONFIG_INPUT_ADBHID
+                        pmac_backlight_set_legacy_brightness_pmu(data[1] >> 4);
-                        if (!disable_kernel_backlight)
+#endif
-#endif /* CONFIG_INPUT_ADBHID */
-                                pmac_backlight_set_legacy_brightness(data[1] >> 4);
-#endif /* CONFIG_PMAC_BACKLIGHT */
        }
        /* Tick interrupt */
        else if ((1 << pirq) & PMU_INT_TICK) {
@@ -2414,7 +2404,7 @@ struct pmu_private {
        spinlock_t lock;
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
        int     backlight_locker;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */     
+#endif
 };
 static LIST_HEAD(all_pmu_pvt);
@@ -2464,7 +2454,7 @@ pmu_open(struct inode *inode, struct file *file)
        spin_lock_irqsave(&all_pvt_lock, flags);
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
        pp->backlight_locker = 0;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */     
+#endif
        list_add(&pp->list, &all_pmu_pvt);
        spin_unlock_irqrestore(&all_pvt_lock, flags);
        file->private_data = pp;
@@ -2559,13 +2549,12 @@ pmu_release(struct inode *inode, struct file *file)
                spin_lock_irqsave(&all_pvt_lock, flags);
                list_del(&pp->list);
                spin_unlock_irqrestore(&all_pvt_lock, flags);
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
-                if (pp->backlight_locker) {
+                if (pp->backlight_locker)
-                        spin_lock_irqsave(&pmu_lock, flags);
+                        pmac_backlight_enable();
-                        disable_kernel_backlight--;
+#endif
-                        spin_unlock_irqrestore(&pmu_lock, flags);
-                }
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */
                kfree(pp);
        }
        unlock_kernel();
@@ -2642,18 +2631,18 @@ pmu_ioctl(struct inode * inode, struct file *filp,
 #ifdef CONFIG_INPUT_ADBHID
        case PMU_IOC_GRAB_BACKLIGHT: {
                struct pmu_private *pp = filp->private_data;
-                unsigned long flags;
                if (pp->backlight_locker)
                        return 0;
                pp->backlight_locker = 1;
-                spin_lock_irqsave(&pmu_lock, flags);
+                pmac_backlight_disable();
-                disable_kernel_backlight++;
-                spin_unlock_irqrestore(&pmu_lock, flags);
                return 0;
        }
 #endif /* CONFIG_INPUT_ADBHID */
 #endif /* CONFIG_PMAC_BACKLIGHT_LEGACY */
        case PMU_IOC_GET_MODEL:
                return put_user(pmu_kind, argp);
        case PMU_IOC_HAS_ADB:
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 07ca9480a6fe..c3e52c806b13 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -620,7 +620,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
                return -ENXIO;
        }
        dev_info(&mgp->pdev->dev, "handoff confirmed\n");
-        myri10ge_dummy_rdma(mgp, mgp->tx.boundary != 4096);
+        myri10ge_dummy_rdma(mgp, 1);
        return 0;
 }
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 82200bfaa8ed..7de9a07b2ac2 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -516,10 +516,7 @@ static int skge_set_pauseparam(struct net_device *dev,
 /* Chip internal frequency for clock calculations */
 static inline u32 hwkhz(const struct skge_hw *hw)
 {
-        if (hw->chip_id == CHIP_ID_GENESIS)
+        return (hw->chip_id == CHIP_ID_GENESIS) ? 53125 : 78125;
-                return 53215; /* or:  53.125 MHz */
-        else
-                return 78215; /* or:  78.125 MHz */
 }
 /* Chip HZ to microseconds */
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 1ef9fd39a79a..0e3fdf7c6dd3 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -1537,7 +1537,7 @@ static int __init sparc_lance_init(void)
 {
        if ((idprom->id_machtype == (SM_SUN4|SM_4_330)) ||
            (idprom->id_machtype == (SM_SUN4|SM_4_470))) {
-                memset(&sun4_sdev, 0, sizeof(sdev));
+                memset(&sun4_sdev, 0, sizeof(struct sbus_dev));
                sun4_sdev.reg_addrs[0].phys_addr = sun4_eth_physaddr;
                sun4_sdev.irqs[0] = 6;
                return sparc_lance_probe_one(&sun4_sdev, NULL, NULL);
@@ -1547,16 +1547,16 @@ static int __init sparc_lance_init(void)
 static int __exit sunlance_sun4_remove(void)
 {
-        struct lance_private *lp = dev_get_drvdata(&sun4_sdev->dev);
+        struct lance_private *lp = dev_get_drvdata(&sun4_sdev.ofdev.dev);
        struct net_device *net_dev = lp->dev;
        unregister_netdevice(net_dev);
-        lance_free_hwresources(root_lance_dev);
+        lance_free_hwresources(lp);
        free_netdev(net_dev);
-        dev_set_drvdata(&sun4_sdev->dev, NULL);
+        dev_set_drvdata(&sun4_sdev.ofdev.dev, NULL);
        return 0;
 }
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index ce6f3be86da0..1b8138f641e3 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
 #define DRV_MODULE_NAME         "tg3"
 #define PFX DRV_MODULE_NAME     ": "
-#define DRV_MODULE_VERSION      "3.62"
+#define DRV_MODULE_VERSION      "3.63"
-#define DRV_MODULE_RELDATE      "June 30, 2006"
+#define DRV_MODULE_RELDATE      "July 25, 2006"
 #define TG3_DEF_MAC_MODE        0
 #define TG3_DEF_RX_MODE         0
@@ -3590,6 +3590,28 @@ static irqreturn_t tg3_test_isr(int irq, void *dev_id,
 static int tg3_init_hw(struct tg3 *, int);
 static int tg3_halt(struct tg3 *, int, int);
+/* Restart hardware after configuration changes, self-test, etc.
+ * Invoked with tp->lock held.
+ */
+static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
+{
+        int err;
+        err = tg3_init_hw(tp, reset_phy);
+        if (err) {
+                printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
+                       "aborting.\n", tp->dev->name);
+                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+                tg3_full_unlock(tp);
+                del_timer_sync(&tp->timer);
+                tp->irq_sync = 0;
+                netif_poll_enable(tp->dev);
+                dev_close(tp->dev);
+                tg3_full_lock(tp, 0);
+        }
+        return err;
+}
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void tg3_poll_controller(struct net_device *dev)
 {
@@ -3630,13 +3652,15 @@ static void tg3_reset_task(void *_data)
        }
        tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
-        tg3_init_hw(tp, 1);
+        if (tg3_init_hw(tp, 1))
+                goto out;
        tg3_netif_start(tp);
        if (restart_timer)
                mod_timer(&tp->timer, jiffies + 1);
+out:
        tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
        tg3_full_unlock(tp);
@@ -4124,6 +4148,7 @@ static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
 {
        struct tg3 *tp = netdev_priv(dev);
+        int err;
        if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
                return -EINVAL;
@@ -4144,13 +4169,14 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu)
        tg3_set_mtu(dev, tp, new_mtu);
-        tg3_init_hw(tp, 0);
+        err = tg3_restart_hw(tp, 0);
-        tg3_netif_start(tp);
+        if (!err)
+                tg3_netif_start(tp);
        tg3_full_unlock(tp);
-        return 0;
+        return err;
 }
 /* Free up pending packets in all rx/tx rings.
@@ -4232,7 +4258,7 @@ static void tg3_free_rings(struct tg3 *tp)
 * end up in the driver.  tp->{tx,}lock are held and thus
 * we may not sleep.
 */
-static void tg3_init_rings(struct tg3 *tp)
+static int tg3_init_rings(struct tg3 *tp)
 {
        u32 i;
@@ -4281,18 +4307,38 @@ static void tg3_init_rings(struct tg3 *tp)
        /* Now allocate fresh SKBs for each rx ring. */
        for (i = 0; i < tp->rx_pending; i++) {
-                if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD,
+                if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
-                                     -1, i) < 0)
+                        printk(KERN_WARNING PFX
+                               "%s: Using a smaller RX standard ring, "
+                               "only %d out of %d buffers were allocated "
+                               "successfully.\n",
+                               tp->dev->name, i, tp->rx_pending);
+                        if (i == 0)
+                                return -ENOMEM;
+                        tp->rx_pending = i;
                        break;
+                }
        }
        if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
                for (i = 0; i < tp->rx_jumbo_pending; i++) {
                        if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
-                                             -1, i) < 0)
+                                             -1, i) < 0) {
+                                printk(KERN_WARNING PFX
+                                       "%s: Using a smaller RX jumbo ring, "
+                                       "only %d out of %d buffers were "
+                                       "allocated successfully.\n",
+                                       tp->dev->name, i, tp->rx_jumbo_pending);
+                                if (i == 0) {
+                                        tg3_free_rings(tp);
+                                        return -ENOMEM;
+                                }
+                                tp->rx_jumbo_pending = i;
                                break;
+                        }
                }
        }
+        return 0;
 }
 /*
@@ -5815,6 +5861,7 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p)
 {
        struct tg3 *tp = netdev_priv(dev);
        struct sockaddr *addr = p;
+        int err = 0;
        if (!is_valid_ether_addr(addr->sa_data))
                return -EINVAL;
@@ -5832,9 +5879,9 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p)
                tg3_full_lock(tp, 1);
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
-                tg3_init_hw(tp, 0);
+                err = tg3_restart_hw(tp, 0);
+                if (!err)
-                tg3_netif_start(tp);
+                        tg3_netif_start(tp);
                tg3_full_unlock(tp);
        } else {
                spin_lock_bh(&tp->lock);
@@ -5842,7 +5889,7 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p)
                spin_unlock_bh(&tp->lock);
        }
-        return 0;
+        return err;
 }
 /* tp->lock is held. */
@@ -5942,7 +5989,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
         * can only do this after the hardware has been
         * successfully reset.
         */
-        tg3_init_rings(tp);
+        err = tg3_init_rings(tp);
+        if (err)
+                return err;
        /* This value is determined during the probe time DMA
         * engine test, tg3_test_dma.
@@ -7956,7 +8005,7 @@ static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *
 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
 {
        struct tg3 *tp = netdev_priv(dev);
-        int irq_sync = 0;
+        int irq_sync = 0, err = 0;
  
        if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
            (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
@@ -7980,13 +8029,14 @@ static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *e
        if (netif_running(dev)) {
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
-                tg3_init_hw(tp, 1);
+                err = tg3_restart_hw(tp, 1);
-                tg3_netif_start(tp);
+                if (!err)
+                        tg3_netif_start(tp);
        }
        tg3_full_unlock(tp);
  
-        return 0;
+        return err;
 }
  
 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
@@ -8001,7 +8051,7 @@ static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam
 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
 {
        struct tg3 *tp = netdev_priv(dev);
-        int irq_sync = 0;
+        int irq_sync = 0, err = 0;
  
        if (netif_running(dev)) {
                tg3_netif_stop(tp);
@@ -8025,13 +8075,14 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
        if (netif_running(dev)) {
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
-                tg3_init_hw(tp, 1);
+                err = tg3_restart_hw(tp, 1);
-                tg3_netif_start(tp);
+                if (!err)
+                        tg3_netif_start(tp);
        }
        tg3_full_unlock(tp);
  
-        return 0;
+        return err;
 }
  
 static u32 tg3_get_rx_csum(struct net_device *dev)
@@ -8666,7 +8717,9 @@ static int tg3_test_loopback(struct tg3 *tp)
        if (!netif_running(tp->dev))
                return TG3_LOOPBACK_FAILED;
-        tg3_reset_hw(tp, 1);
+        err = tg3_reset_hw(tp, 1);
+        if (err)
+                return TG3_LOOPBACK_FAILED;
        if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
                err |= TG3_MAC_LOOPBACK_FAILED;
@@ -8740,8 +8793,8 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
                if (netif_running(dev)) {
                        tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
-                        tg3_init_hw(tp, 1);
+                        if (!tg3_restart_hw(tp, 1))
-                        tg3_netif_start(tp);
+                                tg3_netif_start(tp);
                }
                tg3_full_unlock(tp);
@@ -11699,7 +11752,8 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
                tg3_full_lock(tp, 0);
                tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
-                tg3_init_hw(tp, 1);
+                if (tg3_restart_hw(tp, 1))
+                        goto out;
                tp->timer.expires = jiffies + tp->timer_offset;
                add_timer(&tp->timer);
@@ -11707,6 +11761,7 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
                netif_device_attach(dev);
                tg3_netif_start(tp);
+out:
                tg3_full_unlock(tp);
        }
@@ -11733,16 +11788,19 @@ static int tg3_resume(struct pci_dev *pdev)
        tg3_full_lock(tp, 0);
        tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
-        tg3_init_hw(tp, 1);
+        err = tg3_restart_hw(tp, 1);
+        if (err)
+                goto out;
        tp->timer.expires = jiffies + tp->timer_offset;
        add_timer(&tp->timer);
        tg3_netif_start(tp);
+out:
        tg3_full_unlock(tp);
-        return 0;
+        return err;
 }
 static struct pci_driver tg3_driver = {
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index f5b0078eb4ad..aa9cd92f46b2 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -2742,7 +2742,7 @@ static u32 check_connection_type(struct mac_regs __iomem * regs)
        if (PHYSR0 & PHYSR0_SPDG)
                status |= VELOCITY_SPEED_1000;
-        if (PHYSR0 & PHYSR0_SPD10)
+        else if (PHYSR0 & PHYSR0_SPD10)
                status |= VELOCITY_SPEED_10;
        else
                status |= VELOCITY_SPEED_100;
@@ -2851,8 +2851,17 @@ static int velocity_get_settings(struct net_device *dev, struct ethtool_cmd *cmd
        u32 status;
        status = check_connection_type(vptr->mac_regs);
-        cmd->supported = SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full;
+        cmd->supported = SUPPORTED_TP |
-        if (status & VELOCITY_SPEED_100)
+                        SUPPORTED_Autoneg |
+                        SUPPORTED_10baseT_Half |
+                        SUPPORTED_10baseT_Full |
+                        SUPPORTED_100baseT_Half |
+                        SUPPORTED_100baseT_Full |
+                        SUPPORTED_1000baseT_Half |
+                        SUPPORTED_1000baseT_Full;
+        if (status & VELOCITY_SPEED_1000)
+                cmd->speed = SPEED_1000;
+        else if (status & VELOCITY_SPEED_100)
                cmd->speed = SPEED_100;
        else
                cmd->speed = SPEED_10;
@@ -2896,7 +2905,7 @@ static u32 velocity_get_link(struct net_device *dev)
 {
        struct velocity_info *vptr = netdev_priv(dev);
        struct mac_regs __iomem * regs = vptr->mac_regs;
-        return BYTE_REG_BITS_IS_ON(PHYSR0_LINKGD, &regs->PHYSR0)  ? 0 : 1;
+        return BYTE_REG_BITS_IS_ON(PHYSR0_LINKGD, &regs->PHYSR0) ? 1 : 0;
 }
 static void velocity_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index fa9d2c4edc93..2e8ac995d56f 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -447,6 +447,7 @@ config AIRO_CS
        tristate "Cisco/Aironet 34X/35X/4500/4800 PCMCIA cards"
        depends on NET_RADIO && PCMCIA && (BROKEN || !M32R)
        select CRYPTO
+        select CRYPTO_AES
        ---help---
          This is the standard Linux driver to support Cisco/Aironet PCMCIA
          802.11 wireless cards.  This driver is the same as the Aironet
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index 3889f79e7128..df317c1e12a8 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -3701,7 +3701,7 @@ static void bcm43xx_ieee80211_set_security(struct net_device *net_dev,
        }
        if (sec->flags & SEC_AUTH_MODE) {
                secinfo->auth_mode = sec->auth_mode;
-                dprintk(", .auth_mode = %d\n", sec->auth_mode);
+                dprintk(", .auth_mode = %d", sec->auth_mode);
        }
        dprintk("\n");
        if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED &&
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index d6ed5781b93a..317ace7f9aae 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -2875,7 +2875,7 @@ static int orinoco_ioctl_setiwencode(struct net_device *dev,
        if (orinoco_lock(priv, &flags) != 0)
                return -EBUSY;
-        if (erq->pointer) {
+        if (erq->length > 0) {
                if ((index < 0) || (index >= ORINOCO_MAX_KEYS))
                        index = priv->tx_key;
@@ -2918,7 +2918,7 @@ static int orinoco_ioctl_setiwencode(struct net_device *dev,
        if (erq->flags & IW_ENCODE_RESTRICTED)
                restricted = 1;
-        if (erq->pointer) {
+        if (erq->pointer && erq->length > 0) {
                priv->keys[index].len = cpu_to_le16(xlen);
                memset(priv->keys[index].data, 0,
                       sizeof(priv->keys[index].data));
diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c
index 662ecc8a33ff..c52e9bcf8d02 100644
--- a/drivers/net/wireless/zd1201.c
+++ b/drivers/net/wireless/zd1201.c
@@ -1820,6 +1820,8 @@ static int zd1201_probe(struct usb_interface *interface,
            zd->dev->name);
        usb_set_intfdata(interface, zd);
+        zd1201_enable(zd);      /* zd1201 likes to startup enabled, */
+        zd1201_disable(zd);     /* interfering with all the wifis in range */
        return 0;
 err_net:
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 622b3f8ba820..f8ae2b7db0a7 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -61,7 +61,7 @@ struct pci_bus * __devinit pci_find_bus(int domain, int busnr)
 * @from: Previous PCI bus found, or %NULL for new search.
 *
 * Iterates through the list of known PCI busses.  A new search is
- * initiated by passing %NULL to the @from argument.  Otherwise if
+ * initiated by passing %NULL as the @from argument.  Otherwise if
 * @from is not %NULL, searches continue from next device on the
 * global list.
 */
@@ -148,13 +148,14 @@ struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn)
 * @from: Previous PCI device found in search, or %NULL for new search.
 *
 * Iterates through the list of known PCI devices.  If a PCI device is
- * found with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its
+ * found with a matching @vendor, @device, @ss_vendor and @ss_device, a
- * device structure is returned.  Otherwise, %NULL is returned.
+ * pointer to its device structure is returned.  Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
+ * A new search is initiated by passing %NULL as the @from argument.
- * Otherwise if @from is not %NULL, searches continue from next device on the global list.
+ * Otherwise if @from is not %NULL, searches continue from next device
+ * on the global list.
 *
- * NOTE: Do not use this function anymore, use pci_get_subsys() instead, as
+ * NOTE: Do not use this function any more; use pci_get_subsys() instead, as
- * the pci device returned by this function can disappear at any moment in
+ * the PCI device returned by this function can disappear at any moment in
 * time.
 */
 static struct pci_dev * pci_find_subsys(unsigned int vendor,
@@ -191,14 +192,15 @@ exit:
 * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids
 * @from: Previous PCI device found in search, or %NULL for new search.
 *
- * Iterates through the list of known PCI devices.  If a PCI device is
+ * Iterates through the list of known PCI devices.  If a PCI device is found
- * found with a matching @vendor and @device, a pointer to its device structure is
+ * with a matching @vendor and @device, a pointer to its device structure is
 * returned.  Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
+ * A new search is initiated by passing %NULL as the @from argument.
- * Otherwise if @from is not %NULL, searches continue from next device on the global list.
+ * Otherwise if @from is not %NULL, searches continue from next device
+ * on the global list.
 * 
- * NOTE: Do not use this function anymore, use pci_get_device() instead, as
+ * NOTE: Do not use this function any more; use pci_get_device() instead, as
- * the pci device returned by this function can disappear at any moment in
+ * the PCI device returned by this function can disappear at any moment in
 * time.
 */
 struct pci_dev *
@@ -215,11 +217,11 @@ pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev *
 * @ss_device: PCI subsystem device id to match, or %PCI_ANY_ID to match all device ids
 * @from: Previous PCI device found in search, or %NULL for new search.
 *
- * Iterates through the list of known PCI devices.  If a PCI device is
+ * Iterates through the list of known PCI devices.  If a PCI device is found
- * found with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its
+ * with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its
 * device structure is returned, and the reference count to the device is
 * incremented.  Otherwise, %NULL is returned.  A new search is initiated by
- * passing %NULL to the @from argument.  Otherwise if @from is not %NULL,
+ * passing %NULL as the @from argument.  Otherwise if @from is not %NULL,
 * searches continue from next device on the global list.
 * The reference count for @from is always decremented if it is not %NULL.
 */
@@ -262,7 +264,7 @@ exit:
 * found with a matching @vendor and @device, the reference count to the
 * device is incremented and a pointer to its device structure is returned.
 * Otherwise, %NULL is returned.  A new search is initiated by passing %NULL
- * to the @from argument.  Otherwise if @from is not %NULL, searches continue
+ * as the @from argument.  Otherwise if @from is not %NULL, searches continue
 * from next device on the global list.  The reference count for @from is
 * always decremented if it is not %NULL.
 */
@@ -279,11 +281,13 @@ pci_get_device(unsigned int vendor, unsigned int device, struct pci_dev *from)
 * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids
 * @from: Previous PCI device found in search, or %NULL for new search.
 *
- * Iterates through the list of known PCI devices in the reverse order of pci_find_device().
+ * Iterates through the list of known PCI devices in the reverse order of
+ * pci_find_device().
 * If a PCI device is found with a matching @vendor and @device, a pointer to
 * its device structure is returned.  Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
+ * A new search is initiated by passing %NULL as the @from argument.
- * Otherwise if @from is not %NULL, searches continue from previous device on the global list.
+ * Otherwise if @from is not %NULL, searches continue from previous device
+ * on the global list.
 */
 struct pci_dev *
 pci_find_device_reverse(unsigned int vendor, unsigned int device, const struct pci_dev *from)
@@ -317,7 +321,7 @@ exit:
 * found with a matching @class, the reference count to the device is
 * incremented and a pointer to its device structure is returned.
 * Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
+ * A new search is initiated by passing %NULL as the @from argument.
 * Otherwise if @from is not %NULL, searches continue from next device
 * on the global list.  The reference count for @from is always decremented
 * if it is not %NULL.
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 738b1ef595a3..9ad18e62658d 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -601,12 +601,8 @@ 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);
-            if (p_dev == NULL)
+            ret = pccard_get_configuration_info(s, p_dev, &buf->config);
-                    ret = CS_BAD_ARGS;
+            pcmcia_put_dev(p_dev);
-            else {
-                    ret = pccard_get_configuration_info(s, p_dev, &buf->config);
-                    pcmcia_put_dev(p_dev);
-            }
        }
        break;
    case DS_GET_FIRST_TUPLE:
@@ -636,12 +632,8 @@ 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);
-                    if (p_dev == NULL)
+                    ret = pccard_get_status(s, p_dev, &buf->status);
-                            ret = CS_BAD_ARGS;
+                    pcmcia_put_dev(p_dev);
-                    else {
-                            ret = pccard_get_status(s, p_dev, &buf->status);
-                            pcmcia_put_dev(p_dev);
-                    }
            }
            break;
    case DS_VALIDATE_CIS:
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 7bf25b88ea31..c8323399e9e4 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -245,10 +245,17 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
                return CS_SUCCESS;
        }
-        /* !!! This is a hack !!! */
+        config->Attributes = c->Attributes | CONF_VALID_CLIENT;
-        memcpy(&config->Attributes, &c->Attributes, sizeof(config_t));
+        config->Vcc = s->socket.Vcc;
-        config->Attributes |= CONF_VALID_CLIENT;
+        config->Vpp1 = config->Vpp2 = s->socket.Vpp;
-        config->CardValues = c->CardValues;
+        config->IntType = c->IntType;
+        config->ConfigBase = c->ConfigBase;
+        config->Status = c->Status;
+        config->Pin = c->Pin;
+        config->Copy = c->Copy;
+        config->Option = c->Option;
+        config->ExtStatus = c->ExtStatus;
+        config->Present = config->CardValues = c->CardValues;
        config->IRQAttributes = c->irq.Attributes;
        config->AssignedIRQ = s->irq.AssignedIRQ;
        config->BasePort1 = c->io.BasePort1;
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index b154b3f52cbe..551f58e29810 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -346,7 +346,7 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node * node)
        dev->flags = node->flags;
        if (!(dev->flags & PNPBIOS_NO_CONFIG))
                dev->capabilities |= PNP_CONFIGURABLE;
-        if (!(dev->flags & PNPBIOS_NO_DISABLE))
+        if (!(dev->flags & PNPBIOS_NO_DISABLE) && pnpbios_is_dynamic(dev))
                dev->capabilities |= PNP_DISABLE;
        dev->capabilities |= PNP_READ;
        if (pnpbios_is_dynamic(dev))
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index f26a2ee3aad8..3cba6c9fab11 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -152,7 +152,6 @@ ccwgroup_create(struct device *root,
        struct ccwgroup_device *gdev;
        int i;
        int rc;
-        int del_drvdata;
        if (argc > 256) /* disallow dumb users */
                return -EINVAL;
@@ -163,7 +162,6 @@ ccwgroup_create(struct device *root,
        atomic_set(&gdev->onoff, 0);
-        del_drvdata = 0;
        for (i = 0; i < argc; i++) {
                gdev->cdev[i] = get_ccwdev_by_busid(cdrv, argv[i]);
@@ -180,10 +178,8 @@ ccwgroup_create(struct device *root,
                        rc = -EINVAL;
                        goto free_dev;
                }
-        }
-        for (i = 0; i < argc; i++)
                gdev->cdev[i]->dev.driver_data = gdev;
-        del_drvdata = 1;
+        }
        gdev->creator_id = creator_id;
        gdev->count = argc;
@@ -226,9 +222,9 @@ error:
 free_dev:
        for (i = 0; i < argc; i++)
                if (gdev->cdev[i]) {
-                        put_device(&gdev->cdev[i]->dev);
+                        if (gdev->cdev[i]->dev.driver_data == gdev)
-                        if (del_drvdata)
                                gdev->cdev[i]->dev.driver_data = NULL;
+                        put_device(&gdev->cdev[i]->dev);
                }
        kfree(gdev);
        return rc;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index ac6e0c7e43d9..7a39e0b0386c 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -152,7 +152,8 @@ ccw_device_cancel_halt_clear(struct ccw_device *cdev)
                if (cdev->private->iretry) {
                        cdev->private->iretry--;
                        ret = cio_halt(sch);
-                        return (ret == 0) ? -EBUSY : ret;
+                        if (ret != -EBUSY)
+                                return (ret == 0) ? -EBUSY : ret;
                }
                /* halt io unsuccessful. */
                cdev->private->iretry = 255;    /* 255 clear retries. */
diff --git a/drivers/scsi/NCR53C9x.c b/drivers/scsi/NCR53C9x.c
index 085db4826e0e..bdc6bb262bce 100644
--- a/drivers/scsi/NCR53C9x.c
+++ b/drivers/scsi/NCR53C9x.c
@@ -2152,29 +2152,23 @@ static int esp_do_data_finale(struct NCR_ESP *esp,
 */
 static int esp_should_clear_sync(Scsi_Cmnd *sp)
 {
-        unchar cmd1 = sp->cmnd[0];
+        unchar cmd = sp->cmnd[0];
-        unchar cmd2 = sp->data_cmnd[0];
        /* These cases are for spinning up a disk and
         * waiting for that spinup to complete.
         */
-        if(cmd1 == START_STOP ||
+        if(cmd == START_STOP)
-           cmd2 == START_STOP)
                return 0;
-        if(cmd1 == TEST_UNIT_READY ||
+        if(cmd == TEST_UNIT_READY)
-           cmd2 == TEST_UNIT_READY)
                return 0;
        /* One more special case for SCSI tape drives,
         * this is what is used to probe the device for
         * completion of a rewind or tape load operation.
         */
-        if(sp->device->type == TYPE_TAPE) {
+        if(sp->device->type == TYPE_TAPE && cmd == MODE_SENSE)
-                if(cmd1 == MODE_SENSE ||
+                return 0;
-                   cmd2 == MODE_SENSE)
-                        return 0;
-        }
        return 1;
 }
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index 3e1053f111dc..4cf7afc31cc7 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -2427,7 +2427,7 @@ int fas216_eh_abort(Scsi_Cmnd *SCpnt)
        info->stats.aborts += 1;
        printk(KERN_WARNING "scsi%d: abort command ", info->host->host_no);
-        __scsi_print_command(SCpnt->data_cmnd);
+        __scsi_print_command(SCpnt->cmnd);
        print_debug_list();
        fas216_dumpstate(info);
diff --git a/drivers/scsi/esp.c b/drivers/scsi/esp.c
index eaf64c7e54e7..98bd22714d0d 100644
--- a/drivers/scsi/esp.c
+++ b/drivers/scsi/esp.c
@@ -2754,18 +2754,15 @@ static int esp_do_data_finale(struct esp *esp)
 */
 static int esp_should_clear_sync(struct scsi_cmnd *sp)
 {
-        u8 cmd1 = sp->cmnd[0];
+        u8 cmd = sp->cmnd[0];
-        u8 cmd2 = sp->data_cmnd[0];
        /* These cases are for spinning up a disk and
         * waiting for that spinup to complete.
         */
-        if (cmd1 == START_STOP ||
+        if (cmd == START_STOP)
-            cmd2 == START_STOP)
                return 0;
-        if (cmd1 == TEST_UNIT_READY ||
+        if (cmd == TEST_UNIT_READY)
-            cmd2 == TEST_UNIT_READY)
                return 0;
        /* One more special case for SCSI tape drives,
@@ -2773,8 +2770,7 @@ static int esp_should_clear_sync(struct scsi_cmnd *sp)
         * completion of a rewind or tape load operation.
         */
        if (sp->device->type == TYPE_TAPE) {
-                if (cmd1 == MODE_SENSE ||
+                if (cmd == MODE_SENSE)
-                    cmd2 == MODE_SENSE)
                        return 0;
        }
diff --git a/drivers/scsi/libata-eh.c b/drivers/scsi/libata-eh.c
index 4b6aa30f4d68..29f59345305d 100644
--- a/drivers/scsi/libata-eh.c
+++ b/drivers/scsi/libata-eh.c
@@ -764,12 +764,27 @@ static void ata_eh_about_to_do(struct ata_port *ap, struct ata_device *dev,
                               unsigned int action)
 {
        unsigned long flags;
+        struct ata_eh_info *ehi = &ap->eh_info;
+        struct ata_eh_context *ehc = &ap->eh_context;
        spin_lock_irqsave(ap->lock, flags);
-        ata_eh_clear_action(dev, &ap->eh_info, action);
+        /* Reset is represented by combination of actions and EHI
+         * flags.  Suck in all related bits before clearing eh_info to
+         * avoid losing requested action.
+         */
+        if (action & ATA_EH_RESET_MASK) {
+                ehc->i.action |= ehi->action & ATA_EH_RESET_MASK;
+                ehc->i.flags |= ehi->flags & ATA_EHI_RESET_MODIFIER_MASK;
+                /* make sure all reset actions are cleared & clear EHI flags */
+                action |= ATA_EH_RESET_MASK;
+                ehi->flags &= ~ATA_EHI_RESET_MODIFIER_MASK;
+        }
+        ata_eh_clear_action(dev, ehi, action);
-        if (!(ap->eh_context.i.flags & ATA_EHI_QUIET))
+        if (!(ehc->i.flags & ATA_EHI_QUIET))
                ap->pflags |= ATA_PFLAG_RECOVERED;
        spin_unlock_irqrestore(ap->lock, flags);
@@ -790,6 +805,12 @@ static void ata_eh_about_to_do(struct ata_port *ap, struct ata_device *dev,
 static void ata_eh_done(struct ata_port *ap, struct ata_device *dev,
                        unsigned int action)
 {
+        /* if reset is complete, clear all reset actions & reset modifier */
+        if (action & ATA_EH_RESET_MASK) {
+                action |= ATA_EH_RESET_MASK;
+                ap->eh_context.i.flags &= ~ATA_EHI_RESET_MODIFIER_MASK;
+        }
        ata_eh_clear_action(dev, &ap->eh_context.i, action);
 }
@@ -1276,8 +1297,6 @@ static int ata_eh_speed_down(struct ata_device *dev, int is_io,
 static void ata_eh_autopsy(struct ata_port *ap)
 {
        struct ata_eh_context *ehc = &ap->eh_context;
-        unsigned int action = ehc->i.action;
-        struct ata_device *failed_dev = NULL;
        unsigned int all_err_mask = 0;
        int tag, is_io = 0;
        u32 serror;
@@ -1294,7 +1313,7 @@ static void ata_eh_autopsy(struct ata_port *ap)
                ehc->i.serror |= serror;
                ata_eh_analyze_serror(ap);
        } else if (rc != -EOPNOTSUPP)
-                action |= ATA_EH_HARDRESET;
+                ehc->i.action |= ATA_EH_HARDRESET;
        /* analyze NCQ failure */
        ata_eh_analyze_ncq_error(ap);
@@ -1315,7 +1334,7 @@ static void ata_eh_autopsy(struct ata_port *ap)
                qc->err_mask |= ehc->i.err_mask;
                /* analyze TF */
-                action |= ata_eh_analyze_tf(qc, &qc->result_tf);
+                ehc->i.action |= ata_eh_analyze_tf(qc, &qc->result_tf);
                /* DEV errors are probably spurious in case of ATA_BUS error */
                if (qc->err_mask & AC_ERR_ATA_BUS)
@@ -1329,11 +1348,11 @@ static void ata_eh_autopsy(struct ata_port *ap)
                /* SENSE_VALID trumps dev/unknown error and revalidation */
                if (qc->flags & ATA_QCFLAG_SENSE_VALID) {
                        qc->err_mask &= ~(AC_ERR_DEV | AC_ERR_OTHER);
-                        action &= ~ATA_EH_REVALIDATE;
+                        ehc->i.action &= ~ATA_EH_REVALIDATE;
                }
                /* accumulate error info */
-                failed_dev = qc->dev;
+                ehc->i.dev = qc->dev;
                all_err_mask |= qc->err_mask;
                if (qc->flags & ATA_QCFLAG_IO)
                        is_io = 1;
@@ -1342,25 +1361,22 @@ static void ata_eh_autopsy(struct ata_port *ap)
        /* enforce default EH actions */
        if (ap->pflags & ATA_PFLAG_FROZEN ||
            all_err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT))
-                action |= ATA_EH_SOFTRESET;
+                ehc->i.action |= ATA_EH_SOFTRESET;
        else if (all_err_mask)
-                action |= ATA_EH_REVALIDATE;
+                ehc->i.action |= ATA_EH_REVALIDATE;
        /* if we have offending qcs and the associated failed device */
-        if (failed_dev) {
+        if (ehc->i.dev) {
                /* speed down */
-                action |= ata_eh_speed_down(failed_dev, is_io, all_err_mask);
+                ehc->i.action |= ata_eh_speed_down(ehc->i.dev, is_io,
+                                                   all_err_mask);
                /* perform per-dev EH action only on the offending device */
-                ehc->i.dev_action[failed_dev->devno] |=
+                ehc->i.dev_action[ehc->i.dev->devno] |=
-                        action & ATA_EH_PERDEV_MASK;
+                        ehc->i.action & ATA_EH_PERDEV_MASK;
-                action &= ~ATA_EH_PERDEV_MASK;
+                ehc->i.action &= ~ATA_EH_PERDEV_MASK;
        }
-        /* record autopsy result */
-        ehc->i.dev = failed_dev;
-        ehc->i.action |= action;
        DPRINTK("EXIT\n");
 }
@@ -1483,6 +1499,9 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
        ata_reset_fn_t reset;
        int i, did_followup_srst, rc;
+        /* about to reset */
+        ata_eh_about_to_do(ap, NULL, ehc->i.action & ATA_EH_RESET_MASK);
        /* Determine which reset to use and record in ehc->i.action.
         * prereset() may examine and modify it.
         */
@@ -1531,8 +1550,7 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
                ata_port_printk(ap, KERN_INFO, "%s resetting port\n",
                                reset == softreset ? "soft" : "hard");
-        /* reset */
+        /* mark that this EH session started with reset */
-        ata_eh_about_to_do(ap, NULL, ATA_EH_RESET_MASK);
        ehc->i.flags |= ATA_EHI_DID_RESET;
        rc = ata_do_reset(ap, reset, classes);
@@ -1595,7 +1613,7 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
                        postreset(ap, classes);
                /* reset successful, schedule revalidation */
-                ata_eh_done(ap, NULL, ATA_EH_RESET_MASK);
+                ata_eh_done(ap, NULL, ehc->i.action & ATA_EH_RESET_MASK);
                ehc->i.action |= ATA_EH_REVALIDATE;
        }
@@ -1848,15 +1866,16 @@ static int ata_eh_skip_recovery(struct ata_port *ap)
        for (i = 0; i < ata_port_max_devices(ap); i++) {
                struct ata_device *dev = &ap->device[i];
-                if (ata_dev_absent(dev) || ata_dev_ready(dev))
+                if (!(dev->flags & ATA_DFLAG_SUSPENDED))
                        break;
        }
        if (i == ata_port_max_devices(ap))
                return 1;
-        /* always thaw frozen port and recover failed devices */
+        /* thaw frozen port, resume link and recover failed devices */
-        if (ap->pflags & ATA_PFLAG_FROZEN || ata_port_nr_enabled(ap))
+        if ((ap->pflags & ATA_PFLAG_FROZEN) ||
+            (ehc->i.flags & ATA_EHI_RESUME_LINK) || ata_port_nr_enabled(ap))
                return 0;
        /* skip if class codes for all vacant slots are ATA_DEV_NONE */
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 64631bd38952..4776f4e55839 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -269,8 +269,15 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = {
        { PCI_VENDOR_ID_PROMISE, 0x6629, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
          board_20619 },
+/* TODO: remove all associated board_20771 code, as it completely
+ * duplicates board_2037x code, unless reason for separation can be
+ * divined.
+ */
+#if 0
        { PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
          board_20771 },
+#endif
        { }     /* terminate list */
 };
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index a89c4115cfba..32293f451669 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -110,11 +110,8 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
                                       sshdr.asc, sshdr.ascq);
                        break;
                case NOT_READY: /* This happens if there is no disc in drive */
-                        if (sdev->removable && (cmd[0] != TEST_UNIT_READY)) {
+                        if (sdev->removable)
-                                printk(KERN_INFO "Device not ready. Make sure"
-                                       " there is a disc in the drive.\n");
                                break;
-                        }
                case UNIT_ATTENTION:
                        if (sdev->removable) {
                                sdev->changed = 1;
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 6533b0f39231..c40b9b8b1e7e 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -86,9 +86,11 @@ config FB_MACMODES
       default n
 config FB_BACKLIGHT
-       bool
+        bool
-       depends on FB
+        depends on FB
-       default n
+        select BACKLIGHT_LCD_SUPPORT
+        select BACKLIGHT_CLASS_DEVICE
+        default n
 config FB_MODE_HELPERS
        bool "Enable Video Mode Handling Helpers"
@@ -420,7 +422,7 @@ config FB_OF
 config FB_CONTROL
        bool "Apple \"control\" display support"
-        depends on (FB = y) && PPC_PMAC
+        depends on (FB = y) && PPC_PMAC && PPC32
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -431,7 +433,7 @@ config FB_CONTROL
 config FB_PLATINUM
        bool "Apple \"platinum\" display support"
-        depends on (FB = y) && PPC_PMAC
+        depends on (FB = y) && PPC_PMAC && PPC32
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -442,7 +444,7 @@ config FB_PLATINUM
 config FB_VALKYRIE
        bool "Apple \"valkyrie\" display support"
-        depends on (FB = y) && (MAC || PPC_PMAC)
+        depends on (FB = y) && (MAC || (PPC_PMAC && PPC32))
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -453,7 +455,7 @@ config FB_VALKYRIE
 config FB_CT65550
        bool "Chips 65550 display support"
-        depends on (FB = y) && PPC
+        depends on (FB = y) && PPC32
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
@@ -721,10 +723,8 @@ config FB_NVIDIA_I2C
 config FB_NVIDIA_BACKLIGHT
        bool "Support for backlight control"
-        depends on FB_NVIDIA && PPC_PMAC
+        depends on FB_NVIDIA && PMAC_BACKLIGHT
        select FB_BACKLIGHT
-        select BACKLIGHT_LCD_SUPPORT
-        select BACKLIGHT_CLASS_DEVICE
        default y
        help
          Say Y here if you want to control the backlight of your display.
@@ -769,10 +769,8 @@ config FB_RIVA_DEBUG
 config FB_RIVA_BACKLIGHT
        bool "Support for backlight control"
-        depends on FB_RIVA && PPC_PMAC
+        depends on FB_RIVA && PMAC_BACKLIGHT
        select FB_BACKLIGHT
-        select BACKLIGHT_LCD_SUPPORT
-        select BACKLIGHT_CLASS_DEVICE
        default y
        help
          Say Y here if you want to control the backlight of your display.
@@ -1025,10 +1023,8 @@ config FB_RADEON_I2C
 config FB_RADEON_BACKLIGHT
        bool "Support for backlight control"
-        depends on FB_RADEON && PPC_PMAC
+        depends on FB_RADEON && PMAC_BACKLIGHT
        select FB_BACKLIGHT
-        select BACKLIGHT_LCD_SUPPORT
-        select BACKLIGHT_CLASS_DEVICE
        default y
        help
          Say Y here if you want to control the backlight of your display.
@@ -1059,10 +1055,8 @@ config FB_ATY128
 config FB_ATY128_BACKLIGHT
        bool "Support for backlight control"
-        depends on FB_ATY128 && PPC_PMAC
+        depends on FB_ATY128 && PMAC_BACKLIGHT
        select FB_BACKLIGHT
-        select BACKLIGHT_LCD_SUPPORT
-        select BACKLIGHT_CLASS_DEVICE
        default y
        help
          Say Y here if you want to control the backlight of your display.
@@ -1111,10 +1105,8 @@ config FB_ATY_GX
 config FB_ATY_BACKLIGHT
        bool "Support for backlight control"
-        depends on FB_ATY && PPC_PMAC
+        depends on FB_ATY && PMAC_BACKLIGHT
        select FB_BACKLIGHT
-        select BACKLIGHT_LCD_SUPPORT
-        select BACKLIGHT_CLASS_DEVICE
        default y
        help
          Say Y here if you want to control the backlight of your display.
@@ -1620,7 +1612,7 @@ if FB || SGI_NEWPORT_CONSOLE
        source "drivers/video/logo/Kconfig"
 endif
-if FB && SYSFS
+if SYSFS
        source "drivers/video/backlight/Kconfig"
 endif
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 95563c9c6b9c..481c6c9695f8 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -4,6 +4,7 @@
 # Each configuration option enables a list of files.
+obj-y                             += fb_notify.o
 obj-$(CONFIG_FB)                  += fb.o
 fb-y                              := fbmem.o fbmon.o fbcmap.o fbsysfs.o \
                                     modedb.o fbcvt.o
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index c64a717e2d4b..8b08121b390b 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -455,7 +455,10 @@ static void do_wait_for_fifo(u16 entries, struct aty128fb_par *par);
 static void wait_for_fifo(u16 entries, struct aty128fb_par *par);
 static void wait_for_idle(struct aty128fb_par *par);
 static u32 depth_to_dst(u32 depth);
+#ifdef CONFIG_FB_ATY128_BACKLIGHT
 static void aty128_bl_set_power(struct fb_info *info, int power);
+#endif
 #define BIOS_IN8(v)     (readb(bios + (v)))
 #define BIOS_IN16(v)    (readb(bios + (v)) | \
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 1507d19f481f..053ff63365b7 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2812,7 +2812,7 @@ static int atyfb_blank(int blank, struct fb_info *info)
        if (par->lock_blank || par->asleep)
                return 0;
-#ifdef CONFIG_PMAC_BACKLIGHT
+#ifdef CONFIG_FB_ATY_BACKLIGHT
        if (machine_is(powermac) && blank > FB_BLANK_NORMAL)
                aty_bl_set_power(info, FB_BLANK_POWERDOWN);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
@@ -2844,7 +2844,7 @@ static int atyfb_blank(int blank, struct fb_info *info)
        }
        aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
-#ifdef CONFIG_PMAC_BACKLIGHT
+#ifdef CONFIG_FB_ATY_BACKLIGHT
        if (machine_is(powermac) && blank <= FB_BLANK_NORMAL)
                aty_bl_set_power(info, FB_BLANK_UNBLANK);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 8d85fc58142e..8e3400d5dd21 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -266,6 +266,8 @@ static int force_measure_pll = 0;
 #ifdef CONFIG_MTRR
 static int nomtrr = 0;
 #endif
+static int force_sleep;
+static int ignore_devlist;
 /*
 * prototypes
@@ -2327,9 +2329,9 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev,
                /* -2 is special: means  ON on mobility chips and do not
                 * change on others
                 */
-                radeonfb_pm_init(rinfo, rinfo->is_mobility ? 1 : -1);
+                radeonfb_pm_init(rinfo, rinfo->is_mobility ? 1 : -1, ignore_devlist, force_sleep);
        } else
-                radeonfb_pm_init(rinfo, default_dynclk);
+                radeonfb_pm_init(rinfo, default_dynclk, ignore_devlist, force_sleep);
        pci_set_drvdata(pdev, info);
@@ -2477,6 +2479,12 @@ static int __init radeonfb_setup (char *options)
                        force_measure_pll = 1;
                } else if (!strncmp(this_opt, "ignore_edid", 11)) {
                        ignore_edid = 1;
+#if defined(CONFIG_PM) && defined(CONFIG_X86)
+                } else if (!strncmp(this_opt, "force_sleep", 11)) {
+                        force_sleep = 1;
+                } else if (!strncmp(this_opt, "ignore_devlist", 14)) {
+                        ignore_devlist = 1;
+#endif
                } else
                        mode_option = this_opt;
        }
@@ -2532,3 +2540,9 @@ module_param(panel_yres, int, 0);
 MODULE_PARM_DESC(panel_yres, "int: set panel yres");
 module_param(mode_option, charp, 0);
 MODULE_PARM_DESC(mode_option, "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");
+#if defined(CONFIG_PM) && defined(CONFIG_X86)
+module_param(force_sleep, bool, 0);
+MODULE_PARM_DESC(force_sleep, "bool: force D2 sleep mode on all hardware");
+module_param(ignore_devlist, bool, 0);
+MODULE_PARM_DESC(ignore_devlist, "bool: ignore workarounds for bugs in specific laptops");
+#endif
diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c
index c7091761cef4..f31e606a2ded 100644
--- a/drivers/video/aty/radeon_pm.c
+++ b/drivers/video/aty/radeon_pm.c
@@ -27,6 +27,99 @@
 #include "ati_ids.h"
+static void radeon_reinitialize_M10(struct radeonfb_info *rinfo);
+/*
+ * Workarounds for bugs in PC laptops:
+ * - enable D2 sleep in some IBM Thinkpads
+ * - special case for Samsung P35
+ *
+ * Whitelist by subsystem vendor/device because
+ * its the subsystem vendor's fault!
+ */
+#if defined(CONFIG_PM) && defined(CONFIG_X86)
+struct radeon_device_id {
+        const char *ident;                     /* (arbitrary) Name */
+        const unsigned short subsystem_vendor; /* Subsystem Vendor ID */
+        const unsigned short subsystem_device; /* Subsystem Device ID */
+        const enum radeon_pm_mode pm_mode_modifier; /* modify pm_mode */
+        const reinit_function_ptr new_reinit_func;   /* changed reinit_func */
+};
+#define BUGFIX(model, sv, sd, pm, fn) { \
+        .ident = model, \
+        .subsystem_vendor = sv, \
+        .subsystem_device = sd, \
+        .pm_mode_modifier = pm, \
+        .new_reinit_func  = fn  \
+}
+static struct radeon_device_id radeon_workaround_list[] = {
+        BUGFIX("IBM Thinkpad R32",
+               PCI_VENDOR_ID_IBM, 0x1905,
+               radeon_pm_d2, NULL),
+        BUGFIX("IBM Thinkpad R40",
+               PCI_VENDOR_ID_IBM, 0x0526,
+               radeon_pm_d2, NULL),
+        BUGFIX("IBM Thinkpad R40",
+               PCI_VENDOR_ID_IBM, 0x0527,
+               radeon_pm_d2, NULL),
+        BUGFIX("IBM Thinkpad R50/R51/T40/T41",
+               PCI_VENDOR_ID_IBM, 0x0531,
+               radeon_pm_d2, NULL),
+        BUGFIX("IBM Thinkpad R51/T40/T41/T42",
+               PCI_VENDOR_ID_IBM, 0x0530,
+               radeon_pm_d2, NULL),
+        BUGFIX("IBM Thinkpad T30",
+               PCI_VENDOR_ID_IBM, 0x0517,
+               radeon_pm_d2, NULL),
+        BUGFIX("IBM Thinkpad T40p",
+               PCI_VENDOR_ID_IBM, 0x054d,
+               radeon_pm_d2, NULL),
+        BUGFIX("IBM Thinkpad T42",
+               PCI_VENDOR_ID_IBM, 0x0550,
+               radeon_pm_d2, NULL),
+        BUGFIX("IBM Thinkpad X31/X32",
+               PCI_VENDOR_ID_IBM, 0x052f,
+               radeon_pm_d2, NULL),
+        BUGFIX("Samsung P35",
+               PCI_VENDOR_ID_SAMSUNG, 0xc00c,
+               radeon_pm_off, radeon_reinitialize_M10),
+        { .ident = NULL }
+};
+static int radeon_apply_workarounds(struct radeonfb_info *rinfo)
+{
+        struct radeon_device_id *id;
+        for (id = radeon_workaround_list; id->ident != NULL; id++ )
+                if ((id->subsystem_vendor == rinfo->pdev->subsystem_vendor ) &&
+                    (id->subsystem_device == rinfo->pdev->subsystem_device )) {
+                        /* we found a device that requires workaround */
+                        printk(KERN_DEBUG "radeonfb: %s detected"
+                               ", enabling workaround\n", id->ident);
+                        rinfo->pm_mode |= id->pm_mode_modifier;
+                        if (id->new_reinit_func != NULL)
+                                rinfo->reinit_func = id->new_reinit_func;
+                        return 1;
+                }
+        return 0;  /* not found */
+}
+#else  /* defined(CONFIG_PM) && defined(CONFIG_X86) */
+static inline int radeon_apply_workarounds(struct radeonfb_info *rinfo)
+{
+        return 0;
+}
+#endif /* defined(CONFIG_PM) && defined(CONFIG_X86) */
 static void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo)
 {
        u32 tmp;
@@ -852,18 +945,26 @@ static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo)
        /* because both INPLL and OUTPLL take the same lock, that's why. */
        tmp = INPLL( pllMCLK_MISC) | MCLK_MISC__EN_MCLK_TRISTATE_IN_SUSPEND;
        OUTPLL( pllMCLK_MISC, tmp);
-        
-        /* AGP PLL control */
-        if (rinfo->family <= CHIP_FAMILY_RV280) {
-                OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) |  BUS_CNTL1__AGPCLK_VALID);
-                OUTREG(BUS_CNTL1,
+        /* BUS_CNTL1__MOBILE_PLATORM_SEL setting is northbridge chipset
-                       (INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK)
+         * and radeon chip dependent. Thus we only enable it on Mac for
-                       | (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT));   // 440BX
+         * now (until we get more info on how to compute the correct
-        } else {
+         * value for various X86 bridges).
-                OUTREG(BUS_CNTL1, INREG(BUS_CNTL1));
+         */
-                OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~0x4000) | 0x8000);
+#ifdef CONFIG_PPC_PMAC
+        if (machine_is(powermac)) {
+                /* AGP PLL control */
+                if (rinfo->family <= CHIP_FAMILY_RV280) {
+                        OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) |  BUS_CNTL1__AGPCLK_VALID);
+                        OUTREG(BUS_CNTL1,
+                               (INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK)
+                               | (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT));   // 440BX
+                } else {
+                        OUTREG(BUS_CNTL1, INREG(BUS_CNTL1));
+                        OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~0x4000) | 0x8000);
+                }
        }
+#endif
        OUTREG(CRTC_OFFSET_CNTL, (INREG(CRTC_OFFSET_CNTL)
                                  & ~CRTC_OFFSET_CNTL__CRTC_STEREO_SYNC_OUT_EN));
@@ -2713,7 +2814,7 @@ static void radeonfb_early_resume(void *data)
 #endif /* CONFIG_PM */
-void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk)
+void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep)
 {
        /* Find PM registers in config space if any*/
        rinfo->pm_reg = pci_find_capability(rinfo->pdev, PCI_CAP_ID_PM);
@@ -2729,22 +2830,13 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk)
        }
 #if defined(CONFIG_PM)
+#if defined(CONFIG_PPC_PMAC)
        /* Check if we can power manage on suspend/resume. We can do
         * D2 on M6, M7 and M9, and we can resume from D3 cold a few other
         * "Mac" cards, but that's all. We need more infos about what the
         * BIOS does tho. Right now, all this PM stuff is pmac-only for that
         * reason. --BenH
         */
-        /* Special case for Samsung P35 laptops
-         */
-        if ((rinfo->pdev->vendor == PCI_VENDOR_ID_ATI) &&
-            (rinfo->pdev->device == PCI_CHIP_RV350_NP) &&
-            (rinfo->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG) &&
-            (rinfo->pdev->subsystem_device == 0xc00c)) {
-                rinfo->reinit_func = radeon_reinitialize_M10;
-                rinfo->pm_mode |= radeon_pm_off;
-        }
-#if defined(CONFIG_PPC_PMAC)
        if (machine_is(powermac) && rinfo->of_node) {
                if (rinfo->is_mobility && rinfo->pm_reg &&
                    rinfo->family <= CHIP_FAMILY_RV250)
@@ -2790,6 +2882,18 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk)
        }
 #endif /* defined(CONFIG_PPC_PMAC) */
 #endif /* defined(CONFIG_PM) */
+        if (ignore_devlist)
+                printk(KERN_DEBUG
+                       "radeonfb: skipping test for device workarounds\n");
+        else
+                radeon_apply_workarounds(rinfo);
+        if (force_sleep) {
+                printk(KERN_DEBUG
+                       "radeonfb: forcefully enabling D2 sleep mode\n");
+                rinfo->pm_mode |= radeon_pm_d2;
+        }
 }
 void radeonfb_pm_exit(struct radeonfb_info *rinfo)
diff --git a/drivers/video/aty/radeonfb.h b/drivers/video/aty/radeonfb.h
index 38657b2d10eb..d5ff224a6258 100644
--- a/drivers/video/aty/radeonfb.h
+++ b/drivers/video/aty/radeonfb.h
@@ -273,6 +273,8 @@ enum radeon_pm_mode {
        radeon_pm_off   = 0x00000002,   /* Can resume from D3 cold */
 };
+typedef void (*reinit_function_ptr)(struct radeonfb_info *rinfo);
 struct radeonfb_info {
        struct fb_info          *info;
@@ -338,7 +340,7 @@ struct radeonfb_info {
        int                     dynclk;
        int                     no_schedule;
        enum radeon_pm_mode     pm_mode;
-        void                    (*reinit_func)(struct radeonfb_info *rinfo);
+        reinit_function_ptr     reinit_func;
        /* Lock on register access */
        spinlock_t              reg_lock;
@@ -600,7 +602,7 @@ extern int radeon_probe_i2c_connector(struct radeonfb_info *rinfo, int conn, u8
 /* PM Functions */
 extern int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t state);
 extern int radeonfb_pci_resume(struct pci_dev *pdev);
-extern void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk);
+extern void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep);
 extern void radeonfb_pm_exit(struct radeonfb_info *rinfo);
 /* Monitor probe functions */
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 022f9d3473f5..02f15297a021 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -10,7 +10,7 @@ menuconfig BACKLIGHT_LCD_SUPPORT
 config BACKLIGHT_CLASS_DEVICE
        tristate "Lowlevel Backlight controls"
-        depends on BACKLIGHT_LCD_SUPPORT && FB
+        depends on BACKLIGHT_LCD_SUPPORT
        default m
        help
          This framework adds support for low-level control of the LCD
@@ -26,7 +26,7 @@ config BACKLIGHT_DEVICE
 config LCD_CLASS_DEVICE
        tristate "Lowlevel LCD controls"
-        depends on BACKLIGHT_LCD_SUPPORT && FB
+        depends on BACKLIGHT_LCD_SUPPORT
        default m
        help
          This framework adds support for low-level control of LCD.
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index 52ed12b12acc..eb4d03fa5391 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -197,7 +197,7 @@ static int __init mdacon_setup(char *str)
 __setup("mdacon=", mdacon_setup);
 #endif
-static int __init mda_detect(void)
+static int mda_detect(void)
 {
        int count=0;
        u16 *p, p_save;
@@ -282,7 +282,7 @@ static int __init mda_detect(void)
        return 1;
 }
-static void __init mda_initialize(void)
+static void mda_initialize(void)
 {
        write_mda_b(97, 0x00);          /* horizontal total */
        write_mda_b(80, 0x01);          /* horizontal displayed */
diff --git a/drivers/video/fb_notify.c b/drivers/video/fb_notify.c
new file mode 100644
index 000000000000..8c020389e4fa
--- /dev/null
+++ b/drivers/video/fb_notify.c
@@ -0,0 +1,46 @@
+/*
+ *  linux/drivers/video/fb_notify.c
+ *
+ *  Copyright (C) 2006 Antonino Daplas <adaplas@pol.net>
+ *
+ *      2001 - Documented with DocBook
+ *      - Brad Douglas <brad@neruo.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+#include <linux/fb.h>
+#include <linux/notifier.h>
+static BLOCKING_NOTIFIER_HEAD(fb_notifier_list);
+/**
+ *      fb_register_client - register a client notifier
+ *      @nb: notifier block to callback on events
+ */
+int fb_register_client(struct notifier_block *nb)
+{
+        return blocking_notifier_chain_register(&fb_notifier_list, nb);
+}
+EXPORT_SYMBOL(fb_register_client);
+/**
+ *      fb_unregister_client - unregister a client notifier
+ *      @nb: notifier block to callback on events
+ */
+int fb_unregister_client(struct notifier_block *nb)
+{
+        return blocking_notifier_chain_unregister(&fb_notifier_list, nb);
+}
+EXPORT_SYMBOL(fb_unregister_client);
+/**
+ * fb_notifier_call_chain - notify clients of fb_events
+ *
+ */
+int fb_notifier_call_chain(unsigned long val, void *v)
+{
+        return blocking_notifier_call_chain(&fb_notifier_list, val, v);
+}
+EXPORT_SYMBOL_GPL(fb_notifier_call_chain);
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 4fc9df426c1a..17961e3ecaa0 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -52,7 +52,6 @@
 #define FBPIXMAPSIZE    (1024 * 8)
-static BLOCKING_NOTIFIER_HEAD(fb_notifier_list);
 struct fb_info *registered_fb[FB_MAX];
 int num_registered_fb;
@@ -791,8 +790,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
                    event.info = info;
                    event.data = &mode1;
-                    ret = blocking_notifier_call_chain(&fb_notifier_list,
+                    ret = fb_notifier_call_chain(FB_EVENT_MODE_DELETE, &event);
-                                              FB_EVENT_MODE_DELETE, &event);
                }
                if (!ret)
@@ -837,8 +835,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
                                info->flags &= ~FBINFO_MISC_USEREVENT;
                                event.info = info;
-                                blocking_notifier_call_chain(&fb_notifier_list,
+                                fb_notifier_call_chain(evnt, &event);
-                                                evnt, &event);
                        }
                }
        }
@@ -861,8 +858,7 @@ fb_blank(struct fb_info *info, int blank)
                event.info = info;
                event.data = &blank;
-                blocking_notifier_call_chain(&fb_notifier_list,
+                fb_notifier_call_chain(FB_EVENT_BLANK, &event);
-                                FB_EVENT_BLANK, &event);
        }
        return ret;
@@ -933,8 +929,7 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                con2fb.framebuffer = -1;
                event.info = info;
                event.data = &con2fb;
-                blocking_notifier_call_chain(&fb_notifier_list,
+                fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event);
-                                    FB_EVENT_GET_CONSOLE_MAP, &event);
                return copy_to_user(argp, &con2fb,
                                    sizeof(con2fb)) ? -EFAULT : 0;
        case FBIOPUT_CON2FBMAP:
@@ -952,9 +947,8 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                    return -EINVAL;
                event.info = info;
                event.data = &con2fb;
-                return blocking_notifier_call_chain(&fb_notifier_list,
+                return fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP,
-                                           FB_EVENT_SET_CONSOLE_MAP,
+                                              &event);
-                                           &event);
        case FBIOBLANK:
                acquire_console_sem();
                info->flags |= FBINFO_MISC_USEREVENT;
@@ -1330,8 +1324,7 @@ register_framebuffer(struct fb_info *fb_info)
        registered_fb[i] = fb_info;
        event.info = fb_info;
-        blocking_notifier_call_chain(&fb_notifier_list,
+        fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event);
-                            FB_EVENT_FB_REGISTERED, &event);
        return 0;
 }
@@ -1365,30 +1358,11 @@ unregister_framebuffer(struct fb_info *fb_info)
        fb_cleanup_class_device(fb_info);
        class_device_destroy(fb_class, MKDEV(FB_MAJOR, i));
        event.info = fb_info;
-        blocking_notifier_call_chain(&fb_notifier_list,
+        fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event);
-                                     FB_EVENT_FB_UNREGISTERED, &event);
        return 0;
 }
 /**
- *      fb_register_client - register a client notifier
- *      @nb: notifier block to callback on events
- */
-int fb_register_client(struct notifier_block *nb)
-{
-        return blocking_notifier_chain_register(&fb_notifier_list, nb);
-}
-/**
- *      fb_unregister_client - unregister a client notifier
- *      @nb: notifier block to callback on events
- */
-int fb_unregister_client(struct notifier_block *nb)
-{
-        return blocking_notifier_chain_unregister(&fb_notifier_list, nb);
-}
-/**
 *      fb_set_suspend - low level driver signals suspend
 *      @info: framebuffer affected
 *      @state: 0 = resuming, !=0 = suspending
@@ -1403,13 +1377,11 @@ void fb_set_suspend(struct fb_info *info, int state)
        event.info = info;
        if (state) {
-                blocking_notifier_call_chain(&fb_notifier_list,
+                fb_notifier_call_chain(FB_EVENT_SUSPEND, &event);
-                                FB_EVENT_SUSPEND, &event);
                info->state = FBINFO_STATE_SUSPENDED;
        } else {
                info->state = FBINFO_STATE_RUNNING;
-                blocking_notifier_call_chain(&fb_notifier_list,
+                fb_notifier_call_chain(FB_EVENT_RESUME, &event);
-                                FB_EVENT_RESUME, &event);
        }
 }
@@ -1480,9 +1452,7 @@ int fb_new_modelist(struct fb_info *info)
        if (!list_empty(&info->modelist)) {
                event.info = info;
-                err = blocking_notifier_call_chain(&fb_notifier_list,
+                err = fb_notifier_call_chain(FB_EVENT_NEW_MODELIST, &event);
-                                           FB_EVENT_NEW_MODELIST,
-                                           &event);
        }
        return err;
@@ -1594,8 +1564,6 @@ EXPORT_SYMBOL(fb_blank);
 EXPORT_SYMBOL(fb_pan_display);
 EXPORT_SYMBOL(fb_get_buffer_offset);
 EXPORT_SYMBOL(fb_set_suspend);
-EXPORT_SYMBOL(fb_register_client);
-EXPORT_SYMBOL(fb_unregister_client);
 EXPORT_SYMBOL(fb_get_options);
 MODULE_LICENSE("GPL");
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index 9f2066f0745a..d4f850117874 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -34,10 +34,6 @@
 #include "nv_proto.h"
 #include "nv_dma.h"
-#ifndef CONFIG_PCI              /* sanity check */
-#error This driver requires PCI support.
-#endif
 #undef CONFIG_FB_NVIDIA_DEBUG
 #ifdef CONFIG_FB_NVIDIA_DEBUG
 #define NVTRACE          printk
@@ -1303,20 +1299,19 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
        nvidia_save_vga(par, &par->SavedReg);
+        pci_set_drvdata(pd, info);
+        nvidia_bl_init(par);
        if (register_framebuffer(info) < 0) {
                printk(KERN_ERR PFX "error registering nVidia framebuffer\n");
                goto err_out_iounmap_fb;
        }
-        pci_set_drvdata(pd, info);
        printk(KERN_INFO PFX
               "PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n",
               info->fix.id,
               par->FbMapSize / (1024 * 1024), info->fix.smem_start);
-        nvidia_bl_init(par);
        NVTRACE_LEAVE();
        return 0;
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index 33dddbae5420..76fc9d355eb7 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -2132,6 +2132,9 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
        fb_destroy_modedb(info->monspecs.modedb);
        info->monspecs.modedb = NULL;
+        pci_set_drvdata(pd, info);
+        riva_bl_init(info->par);
        ret = register_framebuffer(info);
        if (ret < 0) {
                printk(KERN_ERR PFX
@@ -2139,8 +2142,6 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
                goto err_iounmap_screen_base;
        }
-        pci_set_drvdata(pd, info);
        printk(KERN_INFO PFX
                "PCI nVidia %s framebuffer ver %s (%dMB @ 0x%lX)\n",
                info->fix.id,
@@ -2148,8 +2149,6 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
                info->fix.smem_len / (1024 * 1024),
                info->fix.smem_start);
-        riva_bl_init(info->par);
        NVTRACE_LEAVE();
        return 0;