143 files changed, 2125 insertions, 584 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 0242cbb86a87..5109fa37c662 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -249,18 +249,6 @@ static int irqdma_allocated;
 #include <linux/cdrom.h>        /* for the compatibility eject ioctl */
 #include <linux/completion.h>
-/*
- * Interrupt freeing also means /proc VFS work - dont do it
- * from interrupt context. We push this work into keventd:
- */
-static void fd_free_irq_fn(void *data)
-{
-        fd_free_irq();
-}
-static DECLARE_WORK(fd_free_irq_work, fd_free_irq_fn, NULL);
 static struct request *current_req;
 static struct request_queue *floppy_queue;
 static void do_fd_request(request_queue_t * q);
@@ -826,15 +814,6 @@ static int set_dor(int fdc, char mask, char data)
                        UDRS->select_date = jiffies;
                }
        }
-        /*
-         *      We should propagate failures to grab the resources back
-         *      nicely from here. Actually we ought to rewrite the fd
-         *      driver some day too.
-         */
-        if (newdor & FLOPPY_MOTOR_MASK)
-                floppy_grab_irq_and_dma();
-        if (olddor & FLOPPY_MOTOR_MASK)
-                floppy_release_irq_and_dma();
        return olddor;
 }
@@ -892,8 +871,6 @@ static int _lock_fdc(int drive, int interruptible, int line)
                       line);
                return -1;
        }
-        if (floppy_grab_irq_and_dma() == -1)
-                return -EBUSY;
        if (test_and_set_bit(0, &fdc_busy)) {
                DECLARE_WAITQUEUE(wait, current);
@@ -915,6 +892,8 @@ static int _lock_fdc(int drive, int interruptible, int line)
                set_current_state(TASK_RUNNING);
                remove_wait_queue(&fdc_wait, &wait);
+                flush_scheduled_work();
        }
        command_status = FD_COMMAND_NONE;
@@ -948,7 +927,6 @@ static inline void unlock_fdc(void)
        if (elv_next_request(floppy_queue))
                do_fd_request(floppy_queue);
        spin_unlock_irqrestore(&floppy_lock, flags);
-        floppy_release_irq_and_dma();
        wake_up(&fdc_wait);
 }
@@ -3694,8 +3672,8 @@ static int floppy_release(struct inode *inode, struct file *filp)
        }
        if (!UDRS->fd_ref)
                opened_bdev[drive] = NULL;
-        floppy_release_irq_and_dma();
        mutex_unlock(&open_lock);
        return 0;
 }
@@ -3726,9 +3704,6 @@ static int floppy_open(struct inode *inode, struct file *filp)
        if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_flags & O_EXCL)))
                goto out2;
-        if (floppy_grab_irq_and_dma())
-                goto out2;
        if (filp->f_flags & O_EXCL)
                UDRS->fd_ref = -1;
        else
@@ -3805,7 +3780,6 @@ out:
                UDRS->fd_ref--;
        if (!UDRS->fd_ref)
                opened_bdev[drive] = NULL;
-        floppy_release_irq_and_dma();
 out2:
        mutex_unlock(&open_lock);
        return res;
@@ -3822,14 +3796,9 @@ static int check_floppy_change(struct gendisk *disk)
                return 1;
        if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
-                if (floppy_grab_irq_and_dma()) {
-                        return 1;
-                }
                lock_fdc(drive, 0);
                poll_drive(0, 0);
                process_fd_request();
-                floppy_release_irq_and_dma();
        }
        if (UTESTF(FD_DISK_CHANGED) ||
@@ -4346,7 +4315,6 @@ static int __init floppy_init(void)
        fdc = 0;
        del_timer(&fd_timeout);
        current_drive = 0;
-        floppy_release_irq_and_dma();
        initialising = 0;
        if (have_no_fdc) {
                DPRINT("no floppy controllers found\n");
@@ -4504,7 +4472,7 @@ static void floppy_release_irq_and_dma(void)
        if (irqdma_allocated) {
                fd_disable_dma();
                fd_free_dma();
-                schedule_work(&fd_free_irq_work);
+                fd_free_irq();
                irqdma_allocated = 0;
        }
        set_dor(0, ~0, 8);
@@ -4600,8 +4568,6 @@ void cleanup_module(void)
        /* eject disk, if any */
        fd_eject(0);
-        flush_scheduled_work();         /* fd_free_irq() might be pending */
        wait_for_completion(&device_release);
 }
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 3721e12135d9..cc42e762396f 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -250,8 +250,6 @@ static int floppy_open(struct inode *inode, struct file *filp);
 static int floppy_release(struct inode *inode, struct file *filp);
 static int floppy_check_change(struct gendisk *disk);
 static int floppy_revalidate(struct gendisk *disk);
-static int swim3_add_device(struct device_node *swims);
-int swim3_init(void);
 #ifndef CONFIG_PMAC_MEDIABAY
 #define check_media_bay(which, what)    1
@@ -1011,114 +1009,63 @@ static struct block_device_operations floppy_fops = {
        .revalidate_disk= floppy_revalidate,
 };
-int swim3_init(void)
+static int swim3_add_device(struct macio_dev *mdev, int index)
-{
-        struct device_node *swim;
-        int err = -ENOMEM;
-        int i;
-        swim = find_devices("floppy");
-        while (swim && (floppy_count < MAX_FLOPPIES))
-        {
-                swim3_add_device(swim);
-                swim = swim->next;
-        }
-        swim = find_devices("swim3");
-        while (swim && (floppy_count < MAX_FLOPPIES))
-        {
-                swim3_add_device(swim);
-                swim = swim->next;
-        }
-        if (!floppy_count)
-                return -ENODEV;
-        for (i = 0; i < floppy_count; i++) {
-                disks[i] = alloc_disk(1);
-                if (!disks[i])
-                        goto out;
-        }
-        if (register_blkdev(FLOPPY_MAJOR, "fd")) {
-                err = -EBUSY;
-                goto out;
-        }
-        swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
-        if (!swim3_queue) {
-                err = -ENOMEM;
-                goto out_queue;
-        }
-        for (i = 0; i < floppy_count; i++) {
-                struct gendisk *disk = disks[i];
-                disk->major = FLOPPY_MAJOR;
-                disk->first_minor = i;
-                disk->fops = &floppy_fops;
-                disk->private_data = &floppy_states[i];
-                disk->queue = swim3_queue;
-                disk->flags |= GENHD_FL_REMOVABLE;
-                sprintf(disk->disk_name, "fd%d", i);
-                set_capacity(disk, 2880);
-                add_disk(disk);
-        }
-        return 0;
-out_queue:
-        unregister_blkdev(FLOPPY_MAJOR, "fd");
-out:
-        while (i--)
-                put_disk(disks[i]);
-        /* shouldn't we do something with results of swim_add_device()? */
-        return err;
-}
-static int swim3_add_device(struct device_node *swim)
 {
+        struct device_node *swim = mdev->ofdev.node;
        struct device_node *mediabay;
-        struct floppy_state *fs = &floppy_states[floppy_count];
+        struct floppy_state *fs = &floppy_states[index];
-        struct resource res_reg, res_dma;
+        int rc = -EBUSY;
-        if (of_address_to_resource(swim, 0, &res_reg) ||
+        /* Check & Request resources */
-            of_address_to_resource(swim, 1, &res_dma)) {
+        if (macio_resource_count(mdev) < 2) {
-                printk(KERN_ERR "swim3: Can't get addresses\n");
+                printk(KERN_WARNING "ifd%d: no address for %s\n",
-                return -EINVAL;
+                       index, swim->full_name);
+                return -ENXIO;
        }
-        if (request_mem_region(res_reg.start, res_reg.end - res_reg.start + 1,
+        if (macio_irq_count(mdev) < 2) {
-                               " (reg)") == NULL) {
+                printk(KERN_WARNING "fd%d: no intrs for device %s\n",
-                printk(KERN_ERR "swim3: Can't request register space\n");
+                        index, swim->full_name);
-                return -EINVAL;
        }
-        if (request_mem_region(res_dma.start, res_dma.end - res_dma.start + 1,
+        if (macio_request_resource(mdev, 0, "swim3 (mmio)")) {
-                               " (dma)") == NULL) {
+                printk(KERN_ERR "fd%d: can't request mmio resource for %s\n",
-                release_mem_region(res_reg.start,
+                       index, swim->full_name);
-                                   res_reg.end - res_reg.start + 1);
+                return -EBUSY;
-                printk(KERN_ERR "swim3: Can't request DMA space\n");
-                return -EINVAL;
        }
+        if (macio_request_resource(mdev, 1, "swim3 (dma)")) {
-        if (swim->n_intrs < 2) {
+                printk(KERN_ERR "fd%d: can't request dma resource for %s\n",
-                printk(KERN_INFO "swim3: expecting 2 intrs (n_intrs:%d)\n",
+                       index, swim->full_name);
-                       swim->n_intrs);
+                macio_release_resource(mdev, 0);
-                release_mem_region(res_reg.start,
+                return -EBUSY;
-                                   res_reg.end - res_reg.start + 1);
-                release_mem_region(res_dma.start,
-                                   res_dma.end - res_dma.start + 1);
-                return -EINVAL;
        }
+        dev_set_drvdata(&mdev->ofdev.dev, fs);
-        mediabay = (strcasecmp(swim->parent->type, "media-bay") == 0) ? swim->parent : NULL;
+        mediabay = (strcasecmp(swim->parent->type, "media-bay") == 0) ?
+                swim->parent : NULL;
        if (mediabay == NULL)
                pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 1);
        
        memset(fs, 0, sizeof(*fs));
        spin_lock_init(&fs->lock);
        fs->state = idle;
-        fs->swim3 = (struct swim3 __iomem *)ioremap(res_reg.start, 0x200);
+        fs->swim3 = (struct swim3 __iomem *)
-        fs->dma = (struct dbdma_regs __iomem *)ioremap(res_dma.start, 0x200);
+                ioremap(macio_resource_start(mdev, 0), 0x200);
-        fs->swim3_intr = swim->intrs[0].line;
+        if (fs->swim3 == NULL) {
-        fs->dma_intr = swim->intrs[1].line;
+                printk("fd%d: couldn't map registers for %s\n",
+                       index, swim->full_name);
+                rc = -ENOMEM;
+                goto out_release;
+        }
+        fs->dma = (struct dbdma_regs __iomem *)
+                ioremap(macio_resource_start(mdev, 1), 0x200);
+        if (fs->dma == NULL) {
+                printk("fd%d: couldn't map DMA for %s\n",
+                       index, swim->full_name);
+                iounmap(fs->swim3);
+                rc = -ENOMEM;
+                goto out_release;
+        }
+        fs->swim3_intr = macio_irq(mdev, 0);
+        fs->dma_intr = macio_irq(mdev, 1);;
        fs->cur_cyl = -1;
        fs->cur_sector = -1;
        fs->secpercyl = 36;
@@ -1132,15 +1079,16 @@ static int swim3_add_device(struct device_node *swim)
        st_le16(&fs->dma_cmd[1].command, DBDMA_STOP);
        if (request_irq(fs->swim3_intr, swim3_interrupt, 0, "SWIM3", fs)) {
-                printk(KERN_ERR "Couldn't get irq %d for SWIM3\n", fs->swim3_intr);
+                printk(KERN_ERR "fd%d: couldn't request irq %d for %s\n",
+                       index, fs->swim3_intr, swim->full_name);
                pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
+                goto out_unmap;
                return -EBUSY;
        }
 /*
        if (request_irq(fs->dma_intr, fd_dma_interrupt, 0, "SWIM3-dma", fs)) {
                printk(KERN_ERR "Couldn't get irq %d for SWIM3 DMA",
                       fs->dma_intr);
-                pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
                return -EBUSY;
        }
 */
@@ -1150,8 +1098,90 @@ static int swim3_add_device(struct device_node *swim)
        printk(KERN_INFO "fd%d: SWIM3 floppy controller %s\n", floppy_count,
                mediabay ? "in media bay" : "");
-        floppy_count++;
+        return 0;
-        
+ out_unmap:
+        iounmap(fs->dma);
+        iounmap(fs->swim3);
+ out_release:
+        macio_release_resource(mdev, 0);
+        macio_release_resource(mdev, 1);
+        return rc;
+}
+static int __devinit swim3_attach(struct macio_dev *mdev, const struct of_device_id *match)
+{
+        int i, rc;
+        struct gendisk *disk;
+        /* Add the drive */
+        rc = swim3_add_device(mdev, floppy_count);
+        if (rc)
+                return rc;
+        /* Now create the queue if not there yet */
+        if (swim3_queue == NULL) {
+                /* If we failed, there isn't much we can do as the driver is still
+                 * too dumb to remove the device, just bail out
+                 */
+                if (register_blkdev(FLOPPY_MAJOR, "fd"))
+                        return 0;
+                swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
+                if (swim3_queue == NULL) {
+                        unregister_blkdev(FLOPPY_MAJOR, "fd");
+                        return 0;
+                }
+        }
+        /* Now register that disk. Same comment about failure handling */
+        i = floppy_count++;
+        disk = disks[i] = alloc_disk(1);
+        if (disk == NULL)
+                return 0;
+        disk->major = FLOPPY_MAJOR;
+        disk->first_minor = i;
+        disk->fops = &floppy_fops;
+        disk->private_data = &floppy_states[i];
+        disk->queue = swim3_queue;
+        disk->flags |= GENHD_FL_REMOVABLE;
+        sprintf(disk->disk_name, "fd%d", i);
+        set_capacity(disk, 2880);
+        add_disk(disk);
+        return 0;
+}
+static struct of_device_id swim3_match[] =
+{
+        {
+        .name           = "swim3",
+        },
+        {
+        .compatible     = "ohare-swim3"
+        },
+        {
+        .compatible     = "swim3"
+        },
+};
+static struct macio_driver swim3_driver =
+{
+        .name           = "swim3",
+        .match_table    = swim3_match,
+        .probe          = swim3_attach,
+#if 0
+        .suspend        = swim3_suspend,
+        .resume         = swim3_resume,
+#endif
+};
+int swim3_init(void)
+{
+        macio_register_driver(&swim3_driver);
        return 0;
 }
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
index ffcf15c30e90..d9c5a9142ad1 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -1059,7 +1059,7 @@ ioctl_out:
        return ret_val;
 }
-static struct file_operations agp_fops =
+static const struct file_operations agp_fops =
 {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index bcc4668835b5..10a389dafd60 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -112,7 +112,7 @@ static int ac_ioctl(struct inode *, struct file *, unsigned int,
                    unsigned long);
 static irqreturn_t ac_interrupt(int, void *, struct pt_regs *);
-static struct file_operations ac_fops = {
+static const struct file_operations ac_fops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .read = ac_read,
diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c
index 46d66037b917..8ce3f34cfc22 100644
--- a/drivers/char/cs5535_gpio.c
+++ b/drivers/char/cs5535_gpio.c
@@ -158,7 +158,7 @@ static int cs5535_gpio_open(struct inode *inode, struct file *file)
        return nonseekable_open(inode, file);
 }
-static struct file_operations cs5535_gpio_fops = {
+static const struct file_operations cs5535_gpio_fops = {
        .owner  = THIS_MODULE,
        .write  = cs5535_gpio_write,
        .read   = cs5535_gpio_read,
diff --git a/drivers/char/ds1286.c b/drivers/char/ds1286.c
index d755cac14bc1..21c8229f5443 100644
--- a/drivers/char/ds1286.c
+++ b/drivers/char/ds1286.c
@@ -281,7 +281,7 @@ static unsigned int ds1286_poll(struct file *file, poll_table *wait)
 *      The various file operations we support.
 */
-static struct file_operations ds1286_fops = {
+static const struct file_operations ds1286_fops = {
        .llseek         = no_llseek,
        .read           = ds1286_read,
        .poll           = ds1286_poll,
diff --git a/drivers/char/ds1302.c b/drivers/char/ds1302.c
index 625e8b517005..bcdb107aa967 100644
--- a/drivers/char/ds1302.c
+++ b/drivers/char/ds1302.c
@@ -282,7 +282,7 @@ get_rtc_status(char *buf)
 /* The various file operations we support. */
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = rtc_ioctl,
 };
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 953e670dcd09..48cb8f0e8ebf 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -336,7 +336,7 @@ proc_therm_ds1620_read(char *buf, char **start, off_t offset,
 static struct proc_dir_entry *proc_therm_ds1620;
 #endif
-static struct file_operations ds1620_fops = {
+static const struct file_operations ds1620_fops = {
        .owner          = THIS_MODULE,
        .open           = nonseekable_open,
        .read           = ds1620_read,
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 09b413618b57..9b1bf60ffbe7 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -483,7 +483,7 @@ static int dsp56k_release(struct inode *inode, struct file *file)
        return 0;
 }
-static struct file_operations dsp56k_fops = {
+static const struct file_operations dsp56k_fops = {
        .owner          = THIS_MODULE,
        .read           = dsp56k_read,
        .write          = dsp56k_write,
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index da2c89f1b8bc..5e82c3bad2e3 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -94,7 +94,7 @@ static int dtlk_release(struct inode *, struct file *);
 static int dtlk_ioctl(struct inode *inode, struct file *file,
                      unsigned int cmd, unsigned long arg);
-static struct file_operations dtlk_fops =
+static const struct file_operations dtlk_fops =
 {
        .owner          = THIS_MODULE,
        .read           = dtlk_read,
diff --git a/drivers/char/efirtc.c b/drivers/char/efirtc.c
index 0090e7a4fcd3..004141d535a2 100644
--- a/drivers/char/efirtc.c
+++ b/drivers/char/efirtc.c
@@ -285,7 +285,7 @@ efi_rtc_close(struct inode *inode, struct file *file)
 *      The various file operations we support.
 */
-static struct file_operations efi_rtc_fops = {
+static const struct file_operations efi_rtc_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = efi_rtc_ioctl,
        .open           = efi_rtc_open,
diff --git a/drivers/char/ftape/zftape/zftape-init.c b/drivers/char/ftape/zftape/zftape-init.c
index 55272566b740..164a1aa77a2f 100644
--- a/drivers/char/ftape/zftape/zftape-init.c
+++ b/drivers/char/ftape/zftape/zftape-init.c
@@ -86,7 +86,7 @@ static ssize_t zft_read (struct file *fp, char __user *buff,
 static ssize_t zft_write(struct file *fp, const char __user *buff,
                         size_t req_len, loff_t *ppos);
-static struct file_operations zft_cdev =
+static const struct file_operations zft_cdev =
 {
        .owner          = THIS_MODULE,
        .read           = zft_read,
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
index bebd7e34f792..817dc409ac20 100644
--- a/drivers/char/genrtc.c
+++ b/drivers/char/genrtc.c
@@ -482,7 +482,7 @@ static inline int gen_rtc_proc_init(void) { return 0; }
 *      The various file operations we support.
 */
-static struct file_operations gen_rtc_fops = {
+static const struct file_operations gen_rtc_fops = {
        .owner          = THIS_MODULE,
 #ifdef CONFIG_GEN_RTC_X
        .read           = gen_rtc_read,
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index e5643f3aa73f..8afba339f05a 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -553,7 +553,7 @@ hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, int kernel)
        return err;
 }
-static struct file_operations hpet_fops = {
+static const struct file_operations hpet_fops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .read = hpet_read,
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 8dc205b275e3..56612a2dca6b 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -1299,13 +1299,12 @@ static int __init hvsi_console_init(void)
                hp->inbuf_end = hp->inbuf;
                hp->state = HVSI_CLOSED;
                hp->vtermno = *vtermno;
-                hp->virq = virt_irq_create_mapping(irq[0]);
+                hp->virq = irq_create_mapping(NULL, irq[0], 0);
                if (hp->virq == NO_IRQ) {
                        printk(KERN_ERR "%s: couldn't create irq mapping for 0x%x\n",
-                                __FUNCTION__, hp->virq);
+                                __FUNCTION__, irq[0]);
                        continue;
-                } else
+                }
-                        hp->virq = irq_offset_up(hp->virq);
                hvsi_count++;
        }
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 88b026639f10..154a81d328c1 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -149,7 +149,7 @@ out:
 }
-static struct file_operations rng_chrdev_ops = {
+static const struct file_operations rng_chrdev_ops = {
        .owner          = THIS_MODULE,
        .open           = rng_dev_open,
        .read           = rng_dev_read,
diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index f3c3aaf4560e..353d9f3cf8d7 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -80,7 +80,7 @@ static int i8k_open_fs(struct inode *inode, struct file *file);
 static int i8k_ioctl(struct inode *, struct file *, unsigned int,
                     unsigned long);
-static struct file_operations i8k_fops = {
+static const struct file_operations i8k_fops = {
        .open           = i8k_open_fs,
        .read           = seq_read,
        .llseek         = seq_lseek,
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index a4200a2b0811..518ece7ac656 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -233,7 +233,7 @@ static void  *DevTableMem[IP2_MAX_BOARDS];
 /* This is the driver descriptor for the ip2ipl device, which is used to
 * download the loadware to the boards.
 */
-static struct file_operations ip2_ipl = {
+static const struct file_operations ip2_ipl = {
        .owner          = THIS_MODULE,
        .read           = ip2_ipl_read,
        .write          = ip2_ipl_write,
diff --git a/drivers/char/ip27-rtc.c b/drivers/char/ip27-rtc.c
index 3acdac3c967e..a48da02aad2f 100644
--- a/drivers/char/ip27-rtc.c
+++ b/drivers/char/ip27-rtc.c
@@ -196,7 +196,7 @@ static int rtc_release(struct inode *inode, struct file *file)
 *      The various file operations we support.
 */
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = rtc_ioctl,
        .open           = rtc_open,
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 2fc894fef1cb..68d7c61a864e 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -765,7 +765,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
 }
 #endif
-static struct file_operations ipmi_fops = {
+static const struct file_operations ipmi_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = ipmi_ioctl,
 #ifdef CONFIG_COMPAT
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index 74a889c58333..accaaf1a6b69 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -807,7 +807,7 @@ static int ipmi_close(struct inode *ino, struct file *filep)
        return 0;
 }
-static struct file_operations ipmi_wdog_fops = {
+static const struct file_operations ipmi_wdog_fops = {
        .owner   = THIS_MODULE,
        .read    = ipmi_read,
        .poll    = ipmi_poll,
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index fbce2f0669d6..84dfc4278139 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -748,7 +748,7 @@ static int	stli_initpcibrd(int brdtype, struct pci_dev *devp);
 *      will give access to the shared memory on the Stallion intelligent
 *      board. This is also a very useful debugging tool.
 */
-static struct file_operations   stli_fsiomem = {
+static const struct file_operations     stli_fsiomem = {
        .owner          = THIS_MODULE,
        .read           = stli_memread,
        .write          = stli_memwrite,
diff --git a/drivers/char/ite_gpio.c b/drivers/char/ite_gpio.c
index 747ba45e50e5..cde562d70c4f 100644
--- a/drivers/char/ite_gpio.c
+++ b/drivers/char/ite_gpio.c
@@ -357,7 +357,7 @@ DEB(printk("interrupt 0x%x %d\n",ITE_GPAISR, i));
        }
 }
-static struct file_operations ite_gpio_fops = {
+static const struct file_operations ite_gpio_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = ite_gpio_ioctl,
        .open           = ite_gpio_open,
diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c
index 7d49b241de56..da601fd6c07a 100644
--- a/drivers/char/lcd.c
+++ b/drivers/char/lcd.c
@@ -598,7 +598,7 @@ static ssize_t lcd_read(struct file *file, char *buf,
 *      The various file operations we support.
 */
-static struct file_operations lcd_fops = {
+static const struct file_operations lcd_fops = {
        .read = lcd_read,
        .ioctl = lcd_ioctl,
        .open = lcd_open,
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 582cdbdb0c42..f875fda3b089 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -666,7 +666,7 @@ static int lp_ioctl(struct inode *inode, struct file *file,
        return retval;
 }
-static struct file_operations lp_fops = {
+static const struct file_operations lp_fops = {
        .owner          = THIS_MODULE,
        .write          = lp_write,
        .ioctl          = lp_ioctl,
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 70f3954d6dfd..e97c32ceb796 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -776,7 +776,7 @@ static int open_port(struct inode * inode, struct file * filp)
 #define open_kmem       open_mem
 #define open_oldmem     open_mem
-static struct file_operations mem_fops = {
+static const struct file_operations mem_fops = {
        .llseek         = memory_lseek,
        .read           = read_mem,
        .write          = write_mem,
@@ -784,7 +784,7 @@ static struct file_operations mem_fops = {
        .open           = open_mem,
 };
-static struct file_operations kmem_fops = {
+static const struct file_operations kmem_fops = {
        .llseek         = memory_lseek,
        .read           = read_kmem,
        .write          = write_kmem,
@@ -792,7 +792,7 @@ static struct file_operations kmem_fops = {
        .open           = open_kmem,
 };
-static struct file_operations null_fops = {
+static const struct file_operations null_fops = {
        .llseek         = null_lseek,
        .read           = read_null,
        .write          = write_null,
@@ -800,7 +800,7 @@ static struct file_operations null_fops = {
 };
 #if defined(CONFIG_ISA) || !defined(__mc68000__)
-static struct file_operations port_fops = {
+static const struct file_operations port_fops = {
        .llseek         = memory_lseek,
        .read           = read_port,
        .write          = write_port,
@@ -808,7 +808,7 @@ static struct file_operations port_fops = {
 };
 #endif
-static struct file_operations zero_fops = {
+static const struct file_operations zero_fops = {
        .llseek         = zero_lseek,
        .read           = read_zero,
        .write          = write_zero,
@@ -819,14 +819,14 @@ static struct backing_dev_info zero_bdi = {
        .capabilities   = BDI_CAP_MAP_COPY,
 };
-static struct file_operations full_fops = {
+static const struct file_operations full_fops = {
        .llseek         = full_lseek,
        .read           = read_full,
        .write          = write_full,
 };
 #ifdef CONFIG_CRASH_DUMP
-static struct file_operations oldmem_fops = {
+static const struct file_operations oldmem_fops = {
        .read   = read_oldmem,
        .open   = open_oldmem,
 };
@@ -853,7 +853,7 @@ static ssize_t kmsg_write(struct file * file, const char __user * buf,
        return ret;
 }
-static struct file_operations kmsg_fops = {
+static const struct file_operations kmsg_fops = {
        .write =        kmsg_write,
 };
@@ -903,7 +903,7 @@ static int memory_open(struct inode * inode, struct file * filp)
        return 0;
 }
-static struct file_operations memory_fops = {
+static const struct file_operations memory_fops = {
        .open           = memory_open,  /* just a selector for the real open */
 };
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index d5fa19da330b..62ebe09656e3 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -113,7 +113,7 @@ static int misc_seq_open(struct inode *inode, struct file *file)
        return seq_open(file, &misc_seq_ops);
 }
-static struct file_operations misc_proc_fops = {
+static const struct file_operations misc_proc_fops = {
        .owner   = THIS_MODULE,
        .open    = misc_seq_open,
        .read    = seq_read,
@@ -176,7 +176,7 @@ fail:
 */
 static struct class *misc_class;
-static struct file_operations misc_fops = {
+static const struct file_operations misc_fops = {
        .owner          = THIS_MODULE,
        .open           = misc_open,
 };
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index 70b774ff5aa4..1f0f2b6dae26 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -63,7 +63,7 @@ static int mmtimer_mmap(struct file *file, struct vm_area_struct *vma);
 */
 static unsigned long mmtimer_femtoperiod = 0;
-static struct file_operations mmtimer_fops = {
+static const struct file_operations mmtimer_fops = {
        .owner =        THIS_MODULE,
        .mmap =         mmtimer_mmap,
        .ioctl =        mmtimer_ioctl,
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
index d3ba2f860ef0..39a2e661ff55 100644
--- a/drivers/char/mwave/mwavedd.c
+++ b/drivers/char/mwave/mwavedd.c
@@ -454,7 +454,7 @@ static int register_serial_portandirq(unsigned int port, int irq)
 }
-static struct file_operations mwave_fops = {
+static const struct file_operations mwave_fops = {
        .owner          = THIS_MODULE,
        .read           = mwave_read,
        .write          = mwave_write,
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 8c5f102622b6..a39f19c35a6a 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -437,7 +437,7 @@ nvram_read_proc(char *buffer, char **start, off_t offset,
 #endif /* CONFIG_PROC_FS */
-static struct file_operations nvram_fops = {
+static const struct file_operations nvram_fops = {
        .owner          = THIS_MODULE,
        .llseek         = nvram_llseek,
        .read           = nvram_read,
diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c
index f240a104d250..7c57ebfa8640 100644
--- a/drivers/char/nwbutton.c
+++ b/drivers/char/nwbutton.c
@@ -183,7 +183,7 @@ static int button_read (struct file *filp, char __user *buffer,
 * attempts to perform these operations on the device.
 */
-static struct file_operations button_fops = {
+static const struct file_operations button_fops = {
        .owner          = THIS_MODULE,
        .read           = button_read,
 };
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index 8865387d3448..206cf6f50695 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -642,7 +642,7 @@ static void kick_open(void)
        udelay(25);
 }
-static struct file_operations flash_fops =
+static const struct file_operations flash_fops =
 {
        .owner          = THIS_MODULE,
        .llseek         = flash_llseek,
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index c860de6a6fde..4005ee0aa11e 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -236,7 +236,7 @@ static int pc8736x_gpio_open(struct inode *inode, struct file *file)
        return nonseekable_open(inode, file);
 }
-static struct file_operations pc8736x_gpio_fops = {
+static const struct file_operations pc8736x_gpio_fops = {
        .owner  = THIS_MODULE,
        .open   = pc8736x_gpio_open,
        .write  = nsc_gpio_write,
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 31c8a21f9d87..50d20aafeb18 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1938,7 +1938,7 @@ static void cm4000_detach(struct pcmcia_device *link)
        return;
 }
-static struct file_operations cm4000_fops = {
+static const struct file_operations cm4000_fops = {
        .owner  = THIS_MODULE,
        .read   = cmm_read,
        .write  = cmm_write,
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index 47a8465bf95b..55cf4be42976 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -688,7 +688,7 @@ static void reader_detach(struct pcmcia_device *link)
        return;
 }
-static struct file_operations reader_fops = {
+static const struct file_operations reader_fops = {
        .owner          = THIS_MODULE,
        .read           = cm4040_read,
        .write          = cm4040_write,
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 24231d9743dc..520d2cf82bc0 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -739,7 +739,7 @@ static unsigned int pp_poll (struct file * file, poll_table * wait)
 static struct class *ppdev_class;
-static struct file_operations pp_fops = {
+static const struct file_operations pp_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .read           = pp_read,
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 164bddae047f..4c3a5ca9d8f7 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -416,7 +416,7 @@ static struct entropy_store input_pool = {
        .poolinfo = &poolinfo_table[0],
        .name = "input",
        .limit = 1,
-        .lock = SPIN_LOCK_UNLOCKED,
+        .lock = __SPIN_LOCK_UNLOCKED(&input_pool.lock),
        .pool = input_pool_data
 };
@@ -425,7 +425,7 @@ static struct entropy_store blocking_pool = {
        .name = "blocking",
        .limit = 1,
        .pull = &input_pool,
-        .lock = SPIN_LOCK_UNLOCKED,
+        .lock = __SPIN_LOCK_UNLOCKED(&blocking_pool.lock),
        .pool = blocking_pool_data
 };
@@ -433,7 +433,7 @@ static struct entropy_store nonblocking_pool = {
        .poolinfo = &poolinfo_table[1],
        .name = "nonblocking",
        .pull = &input_pool,
-        .lock = SPIN_LOCK_UNLOCKED,
+        .lock = __SPIN_LOCK_UNLOCKED(&nonblocking_pool.lock),
        .pool = nonblocking_pool_data
 };
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 9bf97c5e38c0..579868af4a54 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -30,7 +30,7 @@ struct raw_device_data {
 static struct class *raw_class;
 static struct raw_device_data raw_devices[MAX_RAW_MINORS];
 static DEFINE_MUTEX(raw_mutex);
-static struct file_operations raw_ctl_fops;          /* forward declaration */
+static const struct file_operations raw_ctl_fops; /* forward declaration */
 /*
 * Open/close code for raw IO.
@@ -261,7 +261,7 @@ static ssize_t raw_file_aio_write(struct kiocb *iocb, const char __user *buf,
 }
-static struct file_operations raw_fops = {
+static const struct file_operations raw_fops = {
        .read   =       generic_file_read,
        .aio_read =     generic_file_aio_read,
        .write  =       raw_file_write,
@@ -274,7 +274,7 @@ static struct file_operations raw_fops = {
        .owner  =       THIS_MODULE,
 };
-static struct file_operations raw_ctl_fops = {
+static const struct file_operations raw_ctl_fops = {
        .ioctl  =       raw_ctl_ioctl,
        .open   =       raw_open,
        .owner  =       THIS_MODULE,
diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c
index 3afc6a47ebbc..3fa80aaf4527 100644
--- a/drivers/char/rio/rio_linux.c
+++ b/drivers/char/rio/rio_linux.c
@@ -243,7 +243,7 @@ static struct real_driver rio_real_driver = {
 *
 */
-static struct file_operations rio_fw_fops = {
+static const struct file_operations rio_fw_fops = {
        .owner = THIS_MODULE,
        .ioctl = rio_fw_ioctl,
 };
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index aefac4ac0bf5..cc7bd1a3095b 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -877,7 +877,7 @@ int rtc_control(rtc_task_t *task, unsigned int cmd, unsigned long arg)
 *      The various file operations we support.
 */
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .read           = rtc_read,
@@ -896,7 +896,7 @@ static struct miscdevice rtc_dev = {
        .fops           = &rtc_fops,
 };
-static struct file_operations rtc_proc_fops = {
+static const struct file_operations rtc_proc_fops = {
        .owner = THIS_MODULE,
        .open = rtc_proc_open,
        .read  = seq_read,
diff --git a/drivers/char/scx200_gpio.c b/drivers/char/scx200_gpio.c
index 45083e5dd23b..425c58719db6 100644
--- a/drivers/char/scx200_gpio.c
+++ b/drivers/char/scx200_gpio.c
@@ -63,7 +63,7 @@ static int scx200_gpio_release(struct inode *inode, struct file *file)
 }
-static struct file_operations scx200_gpio_fops = {
+static const struct file_operations scx200_gpio_fops = {
        .owner   = THIS_MODULE,
        .write   = nsc_gpio_write,
        .read    = nsc_gpio_read,
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index 203240b6c08f..afc6eda602f7 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -347,7 +347,7 @@ scdrv_poll(struct file *file, struct poll_table_struct *wait)
        return mask;
 }
-static struct file_operations scdrv_fops = {
+static const struct file_operations scdrv_fops = {
        .owner =        THIS_MODULE,
        .read =         scdrv_read,
        .write =        scdrv_write,
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 45508a039508..d4e434d694b7 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1106,7 +1106,7 @@ static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
        return ret;
 }
-static struct file_operations sonypi_misc_fops = {
+static const struct file_operations sonypi_misc_fops = {
        .owner          = THIS_MODULE,
        .read           = sonypi_misc_read,
        .poll           = sonypi_misc_poll,
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index ed7b8eaf0367..3beb2203d24b 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -707,7 +707,7 @@ static unsigned int	sc26198_baudtable[] = {
 *      Define the driver info for a user level control device. Used mainly
 *      to get at port stats - only not using the port device itself.
 */
-static struct file_operations   stl_fsiomem = {
+static const struct file_operations     stl_fsiomem = {
        .owner          = THIS_MODULE,
        .ioctl          = stl_memioctl,
 };
diff --git a/drivers/char/sx.c b/drivers/char/sx.c
index 45c193aa11db..e1cd2bc4b1e4 100644
--- a/drivers/char/sx.c
+++ b/drivers/char/sx.c
@@ -410,7 +410,7 @@ static struct real_driver sx_real_driver = {
 *
 */
-static struct file_operations sx_fw_fops = {
+static const struct file_operations sx_fw_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = sx_fw_ioctl,
 };
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index a064ee9181c0..ee3ca8f1768e 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -147,12 +147,13 @@ static struct sysrq_key_op sysrq_mountro_op = {
        .enable_mask    = SYSRQ_ENABLE_REMOUNT,
 };
-#ifdef CONFIG_DEBUG_MUTEXES
+#ifdef CONFIG_LOCKDEP
 static void sysrq_handle_showlocks(int key, struct pt_regs *pt_regs,
                                struct tty_struct *tty)
 {
-        mutex_debug_show_all_locks();
+        debug_show_all_locks();
 }
 static struct sysrq_key_op sysrq_showlocks_op = {
        .handler        = sysrq_handle_showlocks,
        .help_msg       = "show-all-locks(D)",
diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
index a80c83210872..bb1bad4c18f9 100644
--- a/drivers/char/tb0219.c
+++ b/drivers/char/tb0219.c
@@ -255,7 +255,7 @@ static int tanbac_tb0219_release(struct inode *inode, struct file *file)
        return 0;
 }
-static struct file_operations tb0219_fops = {
+static const struct file_operations tb0219_fops = {
        .owner          = THIS_MODULE,
        .read           = tanbac_tb0219_read,
        .write          = tanbac_tb0219_write,
diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c
index e0633a119d29..d30dc09dbbc9 100644
--- a/drivers/char/tipar.c
+++ b/drivers/char/tipar.c
@@ -381,7 +381,7 @@ tipar_ioctl(struct inode *inode, struct file *file,
 /* ----- kernel module registering ------------------------------------ */
-static struct file_operations tipar_fops = {
+static const struct file_operations tipar_fops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .read = tipar_read,
diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c
index 952b829e2cb4..d2c5ba4e83b8 100644
--- a/drivers/char/tlclk.c
+++ b/drivers/char/tlclk.c
@@ -247,7 +247,7 @@ static ssize_t tlclk_write(struct file *filp, const char __user *buf, size_t cou
        return 0;
 }
-static struct file_operations tlclk_fops = {
+static const struct file_operations tlclk_fops = {
        .read = tlclk_read,
        .write = tlclk_write,
        .open = tlclk_open,
diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c
index e2fb234dee40..dd36fd04a842 100644
--- a/drivers/char/toshiba.c
+++ b/drivers/char/toshiba.c
@@ -92,7 +92,7 @@ static int tosh_ioctl(struct inode *, struct file *, unsigned int,
        unsigned long);
-static struct file_operations tosh_fops = {
+static const struct file_operations tosh_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = tosh_ioctl,
 };
diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
index 58a258cec153..ad8ffe49256f 100644
--- a/drivers/char/tpm/tpm_atmel.c
+++ b/drivers/char/tpm/tpm_atmel.c
@@ -116,7 +116,7 @@ static u8 tpm_atml_status(struct tpm_chip *chip)
        return ioread8(chip->vendor.iobase + 1);
 }
-static struct file_operations atmel_ops = {
+static const struct file_operations atmel_ops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .open = tpm_open,
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
index adfff21beb21..1353b5a6bae8 100644
--- a/drivers/char/tpm/tpm_infineon.c
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -338,7 +338,7 @@ static struct attribute *inf_attrs[] = {
 static struct attribute_group inf_attr_grp = {.attrs = inf_attrs };
-static struct file_operations inf_ops = {
+static const struct file_operations inf_ops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .open = tpm_open,
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 4c8bc06c7d95..26287aace87d 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -226,7 +226,7 @@ static u8 tpm_nsc_status(struct tpm_chip *chip)
        return inb(chip->vendor.base + NSC_STATUS);
 }
-static struct file_operations nsc_ops = {
+static const struct file_operations nsc_ops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .open = tpm_open,
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index abb0f2aeae66..3232b1932597 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -330,7 +330,7 @@ out_err:
        return rc;
 }
-static struct file_operations tis_ops = {
+static const struct file_operations tis_ops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .open = tpm_open,
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 615e934da05f..bfdb90242a90 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -912,7 +912,7 @@ static int hung_up_tty_ioctl(struct inode * inode, struct file * file,
        return cmd == TIOCSPGRP ? -ENOTTY : -EIO;
 }
-static struct file_operations tty_fops = {
+static const struct file_operations tty_fops = {
        .llseek         = no_llseek,
        .read           = tty_read,
        .write          = tty_write,
@@ -924,7 +924,7 @@ static struct file_operations tty_fops = {
 };
 #ifdef CONFIG_UNIX98_PTYS
-static struct file_operations ptmx_fops = {
+static const struct file_operations ptmx_fops = {
        .llseek         = no_llseek,
        .read           = tty_read,
        .write          = tty_write,
@@ -936,7 +936,7 @@ static struct file_operations ptmx_fops = {
 };
 #endif
-static struct file_operations console_fops = {
+static const struct file_operations console_fops = {
        .llseek         = no_llseek,
        .read           = tty_read,
        .write          = redirected_tty_write,
@@ -947,7 +947,7 @@ static struct file_operations console_fops = {
        .fasync         = tty_fasync,
 };
-static struct file_operations hung_up_tty_fops = {
+static const struct file_operations hung_up_tty_fops = {
        .llseek         = no_llseek,
        .read           = hung_up_tty_read,
        .write          = hung_up_tty_write,
@@ -2336,7 +2336,7 @@ static int fionbio(struct file *file, int __user *p)
 static int tiocsctty(struct tty_struct *tty, int arg)
 {
-        task_t *p;
+        struct task_struct *p;
        if (current->signal->leader &&
            (current->signal->session == tty->session))
diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c
index 45e9bd81bc0e..a9247b5213d5 100644
--- a/drivers/char/vc_screen.c
+++ b/drivers/char/vc_screen.c
@@ -465,7 +465,7 @@ vcs_open(struct inode *inode, struct file *filp)
        return 0;
 }
-static struct file_operations vcs_fops = {
+static const struct file_operations vcs_fops = {
        .llseek         = vcs_lseek,
        .read           = vcs_read,
        .write          = vcs_write,
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 7d42c8ec8dbc..b72b2049aaae 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -292,7 +292,7 @@ static int proc_viotape_open(struct inode *inode, struct file *file)
        return single_open(file, proc_viotape_show, NULL);
 }
-static struct file_operations proc_viotape_operations = {
+static const struct file_operations proc_viotape_operations = {
        .open           = proc_viotape_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
index 073da48c092e..1b9b1f1d4c49 100644
--- a/drivers/char/vr41xx_giu.c
+++ b/drivers/char/vr41xx_giu.c
@@ -605,7 +605,7 @@ static int gpio_release(struct inode *inode, struct file *file)
        return 0;
 }
-static struct file_operations gpio_fops = {
+static const struct file_operations gpio_fops = {
        .owner          = THIS_MODULE,
        .read           = gpio_read,
        .write          = gpio_write,
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 3ef823d7d255..da7e66a2a38b 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -886,6 +886,7 @@ void vc_disallocate(unsigned int currcons)
        if (vc_cons_allocated(currcons)) {
                struct vc_data *vc = vc_cons[currcons].d;
                vc->vc_sw->con_deinit(vc);
+                module_put(vc->vc_sw->owner);
                if (vc->vc_kmalloced)
                        kfree(vc->vc_screenbuf);
                if (currcons >= MIN_NR_CONSOLES)
diff --git a/drivers/char/watchdog/acquirewdt.c b/drivers/char/watchdog/acquirewdt.c
index 7289f4af93d0..c77fe3cf2852 100644
--- a/drivers/char/watchdog/acquirewdt.c
+++ b/drivers/char/watchdog/acquirewdt.c
@@ -231,7 +231,7 @@ static int acq_notify_sys(struct notifier_block *this, unsigned long code,
 *      Kernel Interfaces
 */
-static struct file_operations acq_fops = {
+static const struct file_operations acq_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = acq_write,
diff --git a/drivers/char/watchdog/advantechwdt.c b/drivers/char/watchdog/advantechwdt.c
index 194a3fd36b91..8069be445edc 100644
--- a/drivers/char/watchdog/advantechwdt.c
+++ b/drivers/char/watchdog/advantechwdt.c
@@ -227,7 +227,7 @@ advwdt_notify_sys(struct notifier_block *this, unsigned long code,
 *      Kernel Interfaces
 */
-static struct file_operations advwdt_fops = {
+static const struct file_operations advwdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = advwdt_write,
diff --git a/drivers/char/watchdog/alim1535_wdt.c b/drivers/char/watchdog/alim1535_wdt.c
index 8338ca300e2e..c5c94e4c9495 100644
--- a/drivers/char/watchdog/alim1535_wdt.c
+++ b/drivers/char/watchdog/alim1535_wdt.c
@@ -362,7 +362,7 @@ static int __init ali_find_watchdog(void)
 *      Kernel Interfaces
 */
-static struct file_operations ali_fops = {
+static const struct file_operations ali_fops = {
        .owner =        THIS_MODULE,
        .llseek =       no_llseek,
        .write =        ali_write,
diff --git a/drivers/char/watchdog/alim7101_wdt.c b/drivers/char/watchdog/alim7101_wdt.c
index c05ac188a4d7..ffd7684f999b 100644
--- a/drivers/char/watchdog/alim7101_wdt.c
+++ b/drivers/char/watchdog/alim7101_wdt.c
@@ -281,7 +281,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
        }
 }
-static struct file_operations wdt_fops = {
+static const struct file_operations wdt_fops = {
        .owner=         THIS_MODULE,
        .llseek=        no_llseek,
        .write=         fop_write,
diff --git a/drivers/char/watchdog/at91_wdt.c b/drivers/char/watchdog/at91_wdt.c
index f61dedc3c96c..cc266715ea32 100644
--- a/drivers/char/watchdog/at91_wdt.c
+++ b/drivers/char/watchdog/at91_wdt.c
@@ -183,7 +183,7 @@ static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, l
 /* ......................................................................... */
-static struct file_operations at91wdt_fops = {
+static const struct file_operations at91wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .ioctl          = at91_wdt_ioctl,
diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c
index 537f5c6729bf..e3cefc538b40 100644
--- a/drivers/char/watchdog/booke_wdt.c
+++ b/drivers/char/watchdog/booke_wdt.c
@@ -145,7 +145,7 @@ static int booke_wdt_open (struct inode *inode, struct file *file)
        return 0;
 }
-static struct file_operations booke_wdt_fops = {
+static const struct file_operations booke_wdt_fops = {
  .owner = THIS_MODULE,
  .llseek = no_llseek,
  .write = booke_wdt_write,
diff --git a/drivers/char/watchdog/cpu5wdt.c b/drivers/char/watchdog/cpu5wdt.c
index 3e8410b5a65e..04c7e49918db 100644
--- a/drivers/char/watchdog/cpu5wdt.c
+++ b/drivers/char/watchdog/cpu5wdt.c
@@ -198,7 +198,7 @@ static ssize_t cpu5wdt_write(struct file *file, const char __user *buf, size_t c
        return count;
 }
-static struct file_operations cpu5wdt_fops = {
+static const struct file_operations cpu5wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .ioctl          = cpu5wdt_ioctl,
diff --git a/drivers/char/watchdog/ep93xx_wdt.c b/drivers/char/watchdog/ep93xx_wdt.c
index 9021dbb78299..77c8a955ae9e 100644
--- a/drivers/char/watchdog/ep93xx_wdt.c
+++ b/drivers/char/watchdog/ep93xx_wdt.c
@@ -187,7 +187,7 @@ static int ep93xx_wdt_release(struct inode *inode, struct file *file)
        return 0;
 }
-static struct file_operations ep93xx_wdt_fops = {
+static const struct file_operations ep93xx_wdt_fops = {
        .owner          = THIS_MODULE,
        .write          = ep93xx_wdt_write,
        .ioctl          = ep93xx_wdt_ioctl,
diff --git a/drivers/char/watchdog/eurotechwdt.c b/drivers/char/watchdog/eurotechwdt.c
index ea670de4fab7..62dbccb2f6df 100644
--- a/drivers/char/watchdog/eurotechwdt.c
+++ b/drivers/char/watchdog/eurotechwdt.c
@@ -356,7 +356,7 @@ static int eurwdt_notify_sys(struct notifier_block *this, unsigned long code,
 */
-static struct file_operations eurwdt_fops = {
+static const struct file_operations eurwdt_fops = {
        .owner  = THIS_MODULE,
        .llseek = no_llseek,
        .write  = eurwdt_write,
diff --git a/drivers/char/watchdog/i6300esb.c b/drivers/char/watchdog/i6300esb.c
index 93785f13242e..870539eabbf3 100644
--- a/drivers/char/watchdog/i6300esb.c
+++ b/drivers/char/watchdog/i6300esb.c
@@ -337,7 +337,7 @@ static int esb_notify_sys (struct notifier_block *this, unsigned long code, void
 *      Kernel Interfaces
 */
-static struct file_operations esb_fops = {
+static const struct file_operations esb_fops = {
        .owner =        THIS_MODULE,
        .llseek =       no_llseek,
        .write =        esb_write,
diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c
index bfbdbbf3c2f2..8385dd36eefe 100644
--- a/drivers/char/watchdog/i8xx_tco.c
+++ b/drivers/char/watchdog/i8xx_tco.c
@@ -378,7 +378,7 @@ static int i8xx_tco_notify_sys (struct notifier_block *this, unsigned long code,
 *      Kernel Interfaces
 */
-static struct file_operations i8xx_tco_fops = {
+static const struct file_operations i8xx_tco_fops = {
        .owner =        THIS_MODULE,
        .llseek =       no_llseek,
        .write =        i8xx_tco_write,
diff --git a/drivers/char/watchdog/ib700wdt.c b/drivers/char/watchdog/ib700wdt.c
index a2e53c715b36..fd95f7327798 100644
--- a/drivers/char/watchdog/ib700wdt.c
+++ b/drivers/char/watchdog/ib700wdt.c
@@ -255,7 +255,7 @@ ibwdt_notify_sys(struct notifier_block *this, unsigned long code,
 *      Kernel Interfaces
 */
-static struct file_operations ibwdt_fops = {
+static const struct file_operations ibwdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = ibwdt_write,
diff --git a/drivers/char/watchdog/ibmasr.c b/drivers/char/watchdog/ibmasr.c
index b0741cbdc139..26ceee7a4df0 100644
--- a/drivers/char/watchdog/ibmasr.c
+++ b/drivers/char/watchdog/ibmasr.c
@@ -322,7 +322,7 @@ static int asr_release(struct inode *inode, struct file *file)
        return 0;
 }
-static struct file_operations asr_fops = {
+static const struct file_operations asr_fops = {
        .owner =        THIS_MODULE,
        .llseek =       no_llseek,
        .write =        asr_write,
diff --git a/drivers/char/watchdog/indydog.c b/drivers/char/watchdog/indydog.c
index d387979b2434..dacc1c20a310 100644
--- a/drivers/char/watchdog/indydog.c
+++ b/drivers/char/watchdog/indydog.c
@@ -154,7 +154,7 @@ static int indydog_notify_sys(struct notifier_block *this, unsigned long code, v
        return NOTIFY_DONE;
 }
-static struct file_operations indydog_fops = {
+static const struct file_operations indydog_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = indydog_write,
diff --git a/drivers/char/watchdog/ixp2000_wdt.c b/drivers/char/watchdog/ixp2000_wdt.c
index aa29a7d68759..692908819e26 100644
--- a/drivers/char/watchdog/ixp2000_wdt.c
+++ b/drivers/char/watchdog/ixp2000_wdt.c
@@ -168,7 +168,7 @@ ixp2000_wdt_release(struct inode *inode, struct file *file)
 }
-static struct file_operations ixp2000_wdt_fops =
+static const struct file_operations ixp2000_wdt_fops =
 {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
diff --git a/drivers/char/watchdog/ixp4xx_wdt.c b/drivers/char/watchdog/ixp4xx_wdt.c
index e6a3fe83fa01..9db5cf2c38c3 100644
--- a/drivers/char/watchdog/ixp4xx_wdt.c
+++ b/drivers/char/watchdog/ixp4xx_wdt.c
@@ -162,7 +162,7 @@ ixp4xx_wdt_release(struct inode *inode, struct file *file)
 }
-static struct file_operations ixp4xx_wdt_fops =
+static const struct file_operations ixp4xx_wdt_fops =
 {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
diff --git a/drivers/char/watchdog/machzwd.c b/drivers/char/watchdog/machzwd.c
index b67b4878ae0f..23734e07fb22 100644
--- a/drivers/char/watchdog/machzwd.c
+++ b/drivers/char/watchdog/machzwd.c
@@ -388,7 +388,7 @@ static int zf_notify_sys(struct notifier_block *this, unsigned long code,
-static struct file_operations zf_fops = {
+static const struct file_operations zf_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = zf_write,
diff --git a/drivers/char/watchdog/mixcomwd.c b/drivers/char/watchdog/mixcomwd.c
index 433c27f98159..ae943324d251 100644
--- a/drivers/char/watchdog/mixcomwd.c
+++ b/drivers/char/watchdog/mixcomwd.c
@@ -190,7 +190,7 @@ static int mixcomwd_ioctl(struct inode *inode, struct file *file,
        return 0;
 }
-static struct file_operations mixcomwd_fops=
+static const struct file_operations mixcomwd_fops=
 {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
diff --git a/drivers/char/watchdog/mpc83xx_wdt.c b/drivers/char/watchdog/mpc83xx_wdt.c
index dac1381af364..a480903ee1a5 100644
--- a/drivers/char/watchdog/mpc83xx_wdt.c
+++ b/drivers/char/watchdog/mpc83xx_wdt.c
@@ -129,7 +129,7 @@ static int mpc83xx_wdt_ioctl(struct inode *inode, struct file *file,
        }
 }
-static struct file_operations mpc83xx_wdt_fops = {
+static const struct file_operations mpc83xx_wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = mpc83xx_wdt_write,
diff --git a/drivers/char/watchdog/mpc8xx_wdt.c b/drivers/char/watchdog/mpc8xx_wdt.c
index 11f0ccd4c4d4..35dd9e6e1140 100644
--- a/drivers/char/watchdog/mpc8xx_wdt.c
+++ b/drivers/char/watchdog/mpc8xx_wdt.c
@@ -132,7 +132,7 @@ static int mpc8xx_wdt_ioctl(struct inode *inode, struct file *file,
        return 0;
 }
-static struct file_operations mpc8xx_wdt_fops = {
+static const struct file_operations mpc8xx_wdt_fops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .write = mpc8xx_wdt_write,
diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c
index c2d492c852fc..54b3c56ead0d 100644
--- a/drivers/char/watchdog/mpcore_wdt.c
+++ b/drivers/char/watchdog/mpcore_wdt.c
@@ -297,7 +297,7 @@ static void mpcore_wdt_shutdown(struct platform_device *dev)
 /*
 *      Kernel Interfaces
 */
-static struct file_operations mpcore_wdt_fops = {
+static const struct file_operations mpcore_wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = mpcore_wdt_write,
diff --git a/drivers/char/watchdog/mv64x60_wdt.c b/drivers/char/watchdog/mv64x60_wdt.c
index 20a6cbb0fbb8..5c8fab345b40 100644
--- a/drivers/char/watchdog/mv64x60_wdt.c
+++ b/drivers/char/watchdog/mv64x60_wdt.c
@@ -166,7 +166,7 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file,
        return 0;
 }
-static struct file_operations mv64x60_wdt_fops = {
+static const struct file_operations mv64x60_wdt_fops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .write = mv64x60_wdt_write,
diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c
index 6d44ca68312d..cd7d1b6a5d9f 100644
--- a/drivers/char/watchdog/pcwd.c
+++ b/drivers/char/watchdog/pcwd.c
@@ -740,7 +740,7 @@ static int pcwd_notify_sys(struct notifier_block *this, unsigned long code, void
 *      Kernel Interfaces
 */
-static struct file_operations pcwd_fops = {
+static const struct file_operations pcwd_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = pcwd_write,
@@ -755,7 +755,7 @@ static struct miscdevice pcwd_miscdev = {
        .fops =         &pcwd_fops,
 };
-static struct file_operations pcwd_temp_fops = {
+static const struct file_operations pcwd_temp_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .read           = pcwd_temp_read,
diff --git a/drivers/char/watchdog/pcwd_pci.c b/drivers/char/watchdog/pcwd_pci.c
index 1f40ecefbf72..c7cfd6dbfe1b 100644
--- a/drivers/char/watchdog/pcwd_pci.c
+++ b/drivers/char/watchdog/pcwd_pci.c
@@ -625,7 +625,7 @@ static int pcipcwd_notify_sys(struct notifier_block *this, unsigned long code, v
 *      Kernel Interfaces
 */
-static struct file_operations pcipcwd_fops = {
+static const struct file_operations pcipcwd_fops = {
        .owner =        THIS_MODULE,
        .llseek =       no_llseek,
        .write =        pcipcwd_write,
@@ -640,7 +640,7 @@ static struct miscdevice pcipcwd_miscdev = {
        .fops =         &pcipcwd_fops,
 };
-static struct file_operations pcipcwd_temp_fops = {
+static const struct file_operations pcipcwd_temp_fops = {
        .owner =        THIS_MODULE,
        .llseek =       no_llseek,
        .read =         pcipcwd_temp_read,
diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c
index 92bf8c1a0f0d..b7ae73dcdd08 100644
--- a/drivers/char/watchdog/pcwd_usb.c
+++ b/drivers/char/watchdog/pcwd_usb.c
@@ -523,7 +523,7 @@ static int usb_pcwd_notify_sys(struct notifier_block *this, unsigned long code,
 *      Kernel Interfaces
 */
-static struct file_operations usb_pcwd_fops = {
+static const struct file_operations usb_pcwd_fops = {
        .owner =        THIS_MODULE,
        .llseek =       no_llseek,
        .write =        usb_pcwd_write,
@@ -538,7 +538,7 @@ static struct miscdevice usb_pcwd_miscdev = {
        .fops =         &usb_pcwd_fops,
 };
-static struct file_operations usb_pcwd_temperature_fops = {
+static const struct file_operations usb_pcwd_temperature_fops = {
        .owner =        THIS_MODULE,
        .llseek =       no_llseek,
        .read =         usb_pcwd_temperature_read,
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index f267dad26071..be978e8ed754 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -319,7 +319,7 @@ static int s3c2410wdt_ioctl(struct inode *inode, struct file *file,
 /* kernel interface */
-static struct file_operations s3c2410wdt_fops = {
+static const struct file_operations s3c2410wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = s3c2410wdt_write,
diff --git a/drivers/char/watchdog/sa1100_wdt.c b/drivers/char/watchdog/sa1100_wdt.c
index b22e95c5470c..1fc16d995788 100644
--- a/drivers/char/watchdog/sa1100_wdt.c
+++ b/drivers/char/watchdog/sa1100_wdt.c
@@ -135,7 +135,7 @@ static int sa1100dog_ioctl(struct inode *inode, struct file *file,
        return ret;
 }
-static struct file_operations sa1100dog_fops =
+static const struct file_operations sa1100dog_fops =
 {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
diff --git a/drivers/char/watchdog/sbc60xxwdt.c b/drivers/char/watchdog/sbc60xxwdt.c
index ed0bd55fbfc1..4663c2fd53cd 100644
--- a/drivers/char/watchdog/sbc60xxwdt.c
+++ b/drivers/char/watchdog/sbc60xxwdt.c
@@ -282,7 +282,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
        }
 }
-static struct file_operations wdt_fops = {
+static const struct file_operations wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = fop_write,
diff --git a/drivers/char/watchdog/sbc8360.c b/drivers/char/watchdog/sbc8360.c
index 6562aa910ace..1035be5b5019 100644
--- a/drivers/char/watchdog/sbc8360.c
+++ b/drivers/char/watchdog/sbc8360.c
@@ -305,7 +305,7 @@ static int sbc8360_notify_sys(struct notifier_block *this, unsigned long code,
 *      Kernel Interfaces
 */
-static struct file_operations sbc8360_fops = {
+static const struct file_operations sbc8360_fops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .write = sbc8360_write,
diff --git a/drivers/char/watchdog/sbc_epx_c3.c b/drivers/char/watchdog/sbc_epx_c3.c
index 09867fadc720..bfc475dabe6d 100644
--- a/drivers/char/watchdog/sbc_epx_c3.c
+++ b/drivers/char/watchdog/sbc_epx_c3.c
@@ -154,7 +154,7 @@ static int epx_c3_notify_sys(struct notifier_block *this, unsigned long code,
        return NOTIFY_DONE;
 }
-static struct file_operations epx_c3_fops = {
+static const struct file_operations epx_c3_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = epx_c3_write,
diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c
index 78ef6333c181..7c3cf293a5af 100644
--- a/drivers/char/watchdog/sc1200wdt.c
+++ b/drivers/char/watchdog/sc1200wdt.c
@@ -292,7 +292,7 @@ static struct notifier_block sc1200wdt_notifier =
        .notifier_call =        sc1200wdt_notify_sys,
 };
-static struct file_operations sc1200wdt_fops =
+static const struct file_operations sc1200wdt_fops =
 {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
diff --git a/drivers/char/watchdog/sc520_wdt.c b/drivers/char/watchdog/sc520_wdt.c
index 4ee9974ad8cb..2c7c9db71be8 100644
--- a/drivers/char/watchdog/sc520_wdt.c
+++ b/drivers/char/watchdog/sc520_wdt.c
@@ -336,7 +336,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
        }
 }
-static struct file_operations wdt_fops = {
+static const struct file_operations wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = fop_write,
diff --git a/drivers/char/watchdog/scx200_wdt.c b/drivers/char/watchdog/scx200_wdt.c
index c0b4754e8de0..c561299a5537 100644
--- a/drivers/char/watchdog/scx200_wdt.c
+++ b/drivers/char/watchdog/scx200_wdt.c
@@ -194,7 +194,7 @@ static int scx200_wdt_ioctl(struct inode *inode, struct file *file,
        }
 }
-static struct file_operations scx200_wdt_fops = {
+static const struct file_operations scx200_wdt_fops = {
        .owner   = THIS_MODULE,
        .llseek  = no_llseek,
        .write   = scx200_wdt_write,
diff --git a/drivers/char/watchdog/shwdt.c b/drivers/char/watchdog/shwdt.c
index 803701b675c0..1355038f1044 100644
--- a/drivers/char/watchdog/shwdt.c
+++ b/drivers/char/watchdog/shwdt.c
@@ -344,7 +344,7 @@ static int sh_wdt_notify_sys(struct notifier_block *this,
        return NOTIFY_DONE;
 }
-static struct file_operations sh_wdt_fops = {
+static const struct file_operations sh_wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = sh_wdt_write,
diff --git a/drivers/char/watchdog/softdog.c b/drivers/char/watchdog/softdog.c
index 79ce5c655428..ef8da517545a 100644
--- a/drivers/char/watchdog/softdog.c
+++ b/drivers/char/watchdog/softdog.c
@@ -243,7 +243,7 @@ static int softdog_notify_sys(struct notifier_block *this, unsigned long code,
 *      Kernel Interfaces
 */
-static struct file_operations softdog_fops = {
+static const struct file_operations softdog_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = softdog_write,
diff --git a/drivers/char/watchdog/w83627hf_wdt.c b/drivers/char/watchdog/w83627hf_wdt.c
index d15ca9a3986f..13f16d41c2fd 100644
--- a/drivers/char/watchdog/w83627hf_wdt.c
+++ b/drivers/char/watchdog/w83627hf_wdt.c
@@ -274,7 +274,7 @@ wdt_notify_sys(struct notifier_block *this, unsigned long code,
 *      Kernel Interfaces
 */
-static struct file_operations wdt_fops = {
+static const struct file_operations wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = wdt_write,
diff --git a/drivers/char/watchdog/w83877f_wdt.c b/drivers/char/watchdog/w83877f_wdt.c
index 52a8bd0a5988..ccf6c0915945 100644
--- a/drivers/char/watchdog/w83877f_wdt.c
+++ b/drivers/char/watchdog/w83877f_wdt.c
@@ -299,7 +299,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
        }
 }
-static struct file_operations wdt_fops = {
+static const struct file_operations wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = fop_write,
diff --git a/drivers/char/watchdog/w83977f_wdt.c b/drivers/char/watchdog/w83977f_wdt.c
index c31849e4c5c2..98f4e17db70a 100644
--- a/drivers/char/watchdog/w83977f_wdt.c
+++ b/drivers/char/watchdog/w83977f_wdt.c
@@ -449,7 +449,7 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
        return NOTIFY_DONE;
 }
-static struct file_operations wdt_fops=
+static const struct file_operations wdt_fops=
 {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
diff --git a/drivers/char/watchdog/wafer5823wdt.c b/drivers/char/watchdog/wafer5823wdt.c
index 7cf6c9bbf486..2bb6a9d6ad28 100644
--- a/drivers/char/watchdog/wafer5823wdt.c
+++ b/drivers/char/watchdog/wafer5823wdt.c
@@ -222,7 +222,7 @@ static int wafwdt_notify_sys(struct notifier_block *this, unsigned long code, vo
 *      Kernel Interfaces
 */
-static struct file_operations wafwdt_fops = {
+static const struct file_operations wafwdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = wafwdt_write,
diff --git a/drivers/char/watchdog/wdrtas.c b/drivers/char/watchdog/wdrtas.c
index 3a462c34b92a..5c38cdf41731 100644
--- a/drivers/char/watchdog/wdrtas.c
+++ b/drivers/char/watchdog/wdrtas.c
@@ -520,7 +520,7 @@ wdrtas_reboot(struct notifier_block *this, unsigned long code, void *ptr)
 /*** initialization stuff */
-static struct file_operations wdrtas_fops = {
+static const struct file_operations wdrtas_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = wdrtas_write,
@@ -535,7 +535,7 @@ static struct miscdevice wdrtas_miscdev = {
        .fops =         &wdrtas_fops,
 };
-static struct file_operations wdrtas_temp_fops = {
+static const struct file_operations wdrtas_temp_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .read           = wdrtas_temp_read,
diff --git a/drivers/char/watchdog/wdt.c b/drivers/char/watchdog/wdt.c
index a1d972c8f44c..70be81e39a61 100644
--- a/drivers/char/watchdog/wdt.c
+++ b/drivers/char/watchdog/wdt.c
@@ -494,7 +494,7 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
 */
-static struct file_operations wdt_fops = {
+static const struct file_operations wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = wdt_write,
@@ -510,7 +510,7 @@ static struct miscdevice wdt_miscdev = {
 };
 #ifdef CONFIG_WDT_501
-static struct file_operations wdt_temp_fops = {
+static const struct file_operations wdt_temp_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .read           = wdt_temp_read,
diff --git a/drivers/char/watchdog/wdt285.c b/drivers/char/watchdog/wdt285.c
index 52825a1f1779..6555fb844f23 100644
--- a/drivers/char/watchdog/wdt285.c
+++ b/drivers/char/watchdog/wdt285.c
@@ -178,7 +178,7 @@ watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
        return ret;
 }
-static struct file_operations watchdog_fops = {
+static const struct file_operations watchdog_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = watchdog_write,
diff --git a/drivers/char/watchdog/wdt977.c b/drivers/char/watchdog/wdt977.c
index 3cde2b9bb763..a0935bc775f8 100644
--- a/drivers/char/watchdog/wdt977.c
+++ b/drivers/char/watchdog/wdt977.c
@@ -418,7 +418,7 @@ static int wdt977_notify_sys(struct notifier_block *this, unsigned long code,
        return NOTIFY_DONE;
 }
-static struct file_operations wdt977_fops=
+static const struct file_operations wdt977_fops=
 {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
diff --git a/drivers/char/watchdog/wdt_pci.c b/drivers/char/watchdog/wdt_pci.c
index 7529ecdbabae..5918ca2c9c35 100644
--- a/drivers/char/watchdog/wdt_pci.c
+++ b/drivers/char/watchdog/wdt_pci.c
@@ -543,7 +543,7 @@ static int wdtpci_notify_sys(struct notifier_block *this, unsigned long code,
 */
-static struct file_operations wdtpci_fops = {
+static const struct file_operations wdtpci_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .write          = wdtpci_write,
@@ -559,7 +559,7 @@ static struct miscdevice wdtpci_miscdev = {
 };
 #ifdef CONFIG_WDT_501_PCI
-static struct file_operations wdtpci_temp_fops = {
+static const struct file_operations wdtpci_temp_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .read           = wdtpci_temp_read,
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 6ca3476d02c7..adbe9f76a505 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -838,7 +838,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
                        "transferred\n", pc->actually_transferred);
                clear_bit(PC_DMA_IN_PROGRESS, &pc->flags);
-                local_irq_enable();
+                local_irq_enable_in_hardirq();
                if (status.b.check || test_bit(PC_DMA_ERROR, &pc->flags)) {
                        /* Error detected */
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 7dba9992ad30..fb6795236e76 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -693,7 +693,7 @@ static ide_startstop_t drive_cmd_intr (ide_drive_t *drive)
        u8 stat = hwif->INB(IDE_STATUS_REG);
        int retries = 10;
-        local_irq_enable();
+        local_irq_enable_in_hardirq();
        if ((stat & DRQ_STAT) && args && args[3]) {
                u8 io_32bit = drive->io_32bit;
                drive->io_32bit = 0;
@@ -1286,7 +1286,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
                if (masked_irq != IDE_NO_IRQ && hwif->irq != masked_irq)
                        disable_irq_nosync(hwif->irq);
                spin_unlock(&ide_lock);
-                local_irq_enable();
+                local_irq_enable_in_hardirq();
                        /* allow other IRQs while we start this request */
                startstop = start_request(drive, rq);
                spin_lock_irq(&ide_lock);
@@ -1631,7 +1631,7 @@ irqreturn_t ide_intr (int irq, void *dev_id, struct pt_regs *regs)
        spin_unlock(&ide_lock);
        if (drive->unmask)
-                local_irq_enable();
+                local_irq_enable_in_hardirq();
        /* service this interrupt, may set handler for next interrupt */
        startstop = handler(drive);
        spin_lock_irq(&ide_lock);
@@ -1705,7 +1705,7 @@ int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t actio
 {
        unsigned long flags;
        ide_hwgroup_t *hwgroup = HWGROUP(drive);
-        DECLARE_COMPLETION(wait);
+        DECLARE_COMPLETION_ONSTACK(wait);
        int where = ELEVATOR_INSERT_BACK, err;
        int must_wait = (action == ide_wait || action == ide_head_wait);
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 04547eb0833f..97a9244312fc 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -222,7 +222,7 @@ ide_startstop_t task_no_data_intr (ide_drive_t *drive)
        ide_hwif_t *hwif        = HWIF(drive);
        u8 stat;
-        local_irq_enable();
+        local_irq_enable_in_hardirq();
        if (!OK_STAT(stat = hwif->INB(IDE_STATUS_REG),READY_STAT,BAD_STAT)) {
                return ide_error(drive, "task_no_data_intr", stat);
                /* calls ide_end_drive_cmd */
diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c
index 2c669287f5bd..4feead4a35c5 100644
--- a/drivers/ieee1394/hosts.c
+++ b/drivers/ieee1394/hosts.c
@@ -107,6 +107,14 @@ static int alloc_hostnum_cb(struct hpsb_host *host, void *__data)
 */
 static DEFINE_MUTEX(host_num_alloc);
+/*
+ * The pending_packet_queue is special in that it's processed
+ * from hardirq context too (such as hpsb_bus_reset()). Hence
+ * split the lock class from the usual networking skb-head
+ * lock class by using a separate key for it:
+ */
+static struct lock_class_key pending_packet_queue_key;
 struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
                                  struct device *dev)
 {
@@ -128,6 +136,8 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
        h->driver = drv;
        skb_queue_head_init(&h->pending_packet_queue);
+        lockdep_set_class(&h->pending_packet_queue.lock,
+                           &pending_packet_queue_key);
        INIT_LIST_HEAD(&h->addr_space);
        for (i = 2; i < 16; i++)
diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
index 7d9fafea9615..54adba2d8ed5 100644
--- a/drivers/input/serio/i8042-sparcio.h
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -88,7 +88,7 @@ static struct of_device_id sparc_i8042_match[] = {
        },
        {},
 };
-MODULE_DEVICE_TABLE(of, i8042_match);
+MODULE_DEVICE_TABLE(of, sparc_i8042_match);
 static struct of_platform_driver sparc_i8042_driver = {
        .name           = "i8042",
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 79c97f94bcbd..61a6f977846f 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -177,7 +177,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
                return -1;
        }
-        mutex_lock(&ps2dev->cmd_mutex);
+        mutex_lock_nested(&ps2dev->cmd_mutex, SINGLE_DEPTH_NESTING);
        serio_pause_rx(ps2dev->serio);
        ps2dev->flags = command == PS2_CMD_GETID ? PS2_FLAG_WAITID : 0;
diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 314fc0830d90..4b08852c35ee 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -90,22 +90,12 @@ int macio_init(void)
 {
        struct device_node *adbs;
        struct resource r;
+        unsigned int irq;
        adbs = find_compatible_devices("adb", "chrp,adb0");
        if (adbs == 0)
                return -ENXIO;
-#if 0
-        { int i = 0;
-        printk("macio_adb_init: node = %p, addrs =", adbs->node);
-        while(!of_address_to_resource(adbs, i, &r))
-                printk(" %x(%x)", r.start, r.end - r.start);
-        printk(", intrs =");
-        for (i = 0; i < adbs->n_intrs; ++i)
-                printk(" %x", adbs->intrs[i].line);
-        printk("\n"); }
-#endif
        if (of_address_to_resource(adbs, 0, &r))
                return -ENXIO;
        adb = ioremap(r.start, sizeof(struct adb_regs));
@@ -117,10 +107,9 @@ int macio_init(void)
        out_8(&adb->active_lo.r, 0xff);
        out_8(&adb->autopoll.r, APE);
-        if (request_irq(adbs->intrs[0].line, macio_adb_interrupt,
+        irq = irq_of_parse_and_map(adbs, 0);
-                        0, "ADB", (void *)0)) {
+        if (request_irq(irq, macio_adb_interrupt, 0, "ADB", (void *)0)) {
-                printk(KERN_ERR "ADB: can't get irq %d\n",
+                printk(KERN_ERR "ADB: can't get irq %d\n", irq);
-                       adbs->intrs[0].line);
                return -EAGAIN;
        }
        out_8(&adb->intr_enb.r, DFB | TAG);
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 40ae7b6a939d..80c0c665b5f6 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -280,75 +280,128 @@ static void macio_release_dev(struct device *dev)
 static int macio_resource_quirks(struct device_node *np, struct resource *res,
                                 int index)
 {
-        if (res->flags & IORESOURCE_MEM) {
+        /* Only quirks for memory resources for now */
-                /* Grand Central has too large resource 0 on some machines */
+        if ((res->flags & IORESOURCE_MEM) == 0)
-                if (index == 0 && !strcmp(np->name, "gc"))
+                return 0;
-                        res->end = res->start + 0x1ffff;
+        /* Grand Central has too large resource 0 on some machines */
+        if (index == 0 && !strcmp(np->name, "gc"))
+                res->end = res->start + 0x1ffff;
-                /* Airport has bogus resource 2 */
+        /* Airport has bogus resource 2 */
-                if (index >= 2 && !strcmp(np->name, "radio"))
+        if (index >= 2 && !strcmp(np->name, "radio"))
-                        return 1;
+                return 1;
 #ifndef CONFIG_PPC64
-                /* DBDMAs may have bogus sizes */
+        /* DBDMAs may have bogus sizes */
-                if ((res->start & 0x0001f000) == 0x00008000)
+        if ((res->start & 0x0001f000) == 0x00008000)
-                        res->end = res->start + 0xff;
+                res->end = res->start + 0xff;
 #endif /* CONFIG_PPC64 */
-                /* ESCC parent eats child resources. We could have added a
+        /* ESCC parent eats child resources. We could have added a
-                 * level of hierarchy, but I don't really feel the need
+         * level of hierarchy, but I don't really feel the need
-                 * for it
+         * for it
-                 */
+         */
-                if (!strcmp(np->name, "escc"))
+        if (!strcmp(np->name, "escc"))
-                        return 1;
+                return 1;
-                /* ESCC has bogus resources >= 3 */
+        /* ESCC has bogus resources >= 3 */
-                if (index >= 3 && !(strcmp(np->name, "ch-a") &&
+        if (index >= 3 && !(strcmp(np->name, "ch-a") &&
-                                    strcmp(np->name, "ch-b")))
+                            strcmp(np->name, "ch-b")))
-                        return 1;
+                return 1;
-                /* Media bay has too many resources, keep only first one */
+        /* Media bay has too many resources, keep only first one */
-                if (index > 0 && !strcmp(np->name, "media-bay"))
+        if (index > 0 && !strcmp(np->name, "media-bay"))
-                        return 1;
+                return 1;
-                /* Some older IDE resources have bogus sizes */
+        /* Some older IDE resources have bogus sizes */
-                if (!(strcmp(np->name, "IDE") && strcmp(np->name, "ATA") &&
+        if (!(strcmp(np->name, "IDE") && strcmp(np->name, "ATA") &&
-                      strcmp(np->type, "ide") && strcmp(np->type, "ata"))) {
+              strcmp(np->type, "ide") && strcmp(np->type, "ata"))) {
-                        if (index == 0 && (res->end - res->start) > 0xfff)
+                if (index == 0 && (res->end - res->start) > 0xfff)
-                                res->end = res->start + 0xfff;
+                        res->end = res->start + 0xfff;
-                        if (index == 1 && (res->end - res->start) > 0xff)
+                if (index == 1 && (res->end - res->start) > 0xff)
-                                res->end = res->start + 0xff;
+                        res->end = res->start + 0xff;
-                }
        }
        return 0;
 }
+static void macio_create_fixup_irq(struct macio_dev *dev, int index,
+                                   unsigned int line)
+{
+        unsigned int irq;
-static void macio_setup_interrupts(struct macio_dev *dev)
+        irq = irq_create_mapping(NULL, line, 0);
+        if (irq != NO_IRQ) {
+                dev->interrupt[index].start = irq;
+                dev->interrupt[index].flags = IORESOURCE_IRQ;
+                dev->interrupt[index].name = dev->ofdev.dev.bus_id;
+        }
+        if (dev->n_interrupts <= index)
+                dev->n_interrupts = index + 1;
+}
+static void macio_add_missing_resources(struct macio_dev *dev)
 {
        struct device_node *np = dev->ofdev.node;
-        int i,j;
+        unsigned int irq_base;
+        /* Gatwick has some missing interrupts on child nodes */
+        if (dev->bus->chip->type != macio_gatwick)
+                return;
-        /* For now, we use pre-parsed entries in the device-tree for
+        /* irq_base is always 64 on gatwick. I have no cleaner way to get
-         * interrupt routing and addresses, but we should change that
+         * that value from here at this point
-         * to dynamically parsed entries and so get rid of most of the
-         * clutter in struct device_node
         */
-        for (i = j = 0; i < np->n_intrs; i++) {
+        irq_base = 64;
+        /* Fix SCC */
+        if (strcmp(np->name, "ch-a") == 0) {
+                macio_create_fixup_irq(dev, 0, 15 + irq_base);
+                macio_create_fixup_irq(dev, 1,  4 + irq_base);
+                macio_create_fixup_irq(dev, 2,  5 + irq_base);
+                printk(KERN_INFO "macio: fixed SCC irqs on gatwick\n");
+        }
+        /* Fix media-bay */
+        if (strcmp(np->name, "media-bay") == 0) {
+                macio_create_fixup_irq(dev, 0, 29 + irq_base);
+                printk(KERN_INFO "macio: fixed media-bay irq on gatwick\n");
+        }
+        /* Fix left media bay childs */
+        if (dev->media_bay != NULL && strcmp(np->name, "floppy") == 0) {
+                macio_create_fixup_irq(dev, 0, 19 + irq_base);
+                macio_create_fixup_irq(dev, 1,  1 + irq_base);
+                printk(KERN_INFO "macio: fixed left floppy irqs\n");
+        }
+        if (dev->media_bay != NULL && strcasecmp(np->name, "ata4") == 0) {
+                macio_create_fixup_irq(dev, 0, 14 + irq_base);
+                macio_create_fixup_irq(dev, 0,  3 + irq_base);
+                printk(KERN_INFO "macio: fixed left ide irqs\n");
+        }
+}
+static void macio_setup_interrupts(struct macio_dev *dev)
+{
+        struct device_node *np = dev->ofdev.node;
+        unsigned int irq;
+        int i = 0, j = 0;
+        for (;;) {
                struct resource *res = &dev->interrupt[j];
                if (j >= MACIO_DEV_COUNT_IRQS)
                        break;
-                res->start = np->intrs[i].line;
+                irq = irq_of_parse_and_map(np, i++);
-                res->flags = IORESOURCE_IO;
+                if (irq == NO_IRQ)
-                if (np->intrs[j].sense)
+                        break;
-                        res->flags |= IORESOURCE_IRQ_LOWLEVEL;
+                res->start = irq;
-                else
+                res->flags = IORESOURCE_IRQ;
-                        res->flags |= IORESOURCE_IRQ_HIGHEDGE;
                res->name = dev->ofdev.dev.bus_id;
-                if (macio_resource_quirks(np, res, i))
+                if (macio_resource_quirks(np, res, i - 1)) {
                        memset(res, 0, sizeof(struct resource));
-                else
+                        continue;
+                } else
                        j++;
        }
        dev->n_interrupts = j;
@@ -445,6 +498,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
        /* Setup interrupts & resources */
        macio_setup_interrupts(dev);
        macio_setup_resources(dev, parent_res);
+        macio_add_missing_resources(dev);
        /* Register with core */
        if (of_device_register(&dev->ofdev) != 0) {
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index ff6d9bfdc3d2..f139a74696fe 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -497,8 +497,7 @@ int __init smu_init (void)
        smu->doorbell = *data;
        if (smu->doorbell < 0x50)
                smu->doorbell += 0x50;
-        if (np->n_intrs > 0)
+        smu->db_irq = irq_of_parse_and_map(np, 0);
-                smu->db_irq = np->intrs[0].line;
        of_node_put(np);
@@ -515,8 +514,7 @@ int __init smu_init (void)
                smu->msg = *data;
                if (smu->msg < 0x50)
                        smu->msg += 0x50;
-                if (np->n_intrs > 0)
+                smu->msg_irq = irq_of_parse_and_map(np, 0);
-                        smu->msg_irq = np->intrs[0].line;
                of_node_put(np);
        } while(0);
diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c
index 6501db50fb83..69d5452fd22f 100644
--- a/drivers/macintosh/via-cuda.c
+++ b/drivers/macintosh/via-cuda.c
@@ -34,13 +34,6 @@
 static volatile unsigned char __iomem *via;
 static DEFINE_SPINLOCK(cuda_lock);
-#ifdef CONFIG_MAC
-#define CUDA_IRQ IRQ_MAC_ADB
-#define eieio()
-#else
-#define CUDA_IRQ vias->intrs[0].line
-#endif
 /* VIA registers - spaced 0x200 bytes apart */
 #define RS              0x200           /* skip between registers */
 #define B               0               /* B-side data */
@@ -189,11 +182,24 @@ int __init find_via_cuda(void)
 static int __init via_cuda_start(void)
 {
+    unsigned int irq;
    if (via == NULL)
        return -ENODEV;
-    if (request_irq(CUDA_IRQ, cuda_interrupt, 0, "ADB", cuda_interrupt)) {
+#ifdef CONFIG_MAC
-        printk(KERN_ERR "cuda_init: can't get irq %d\n", CUDA_IRQ);
+    irq = IRQ_MAC_ADB;
+#else /* CONFIG_MAC */
+    irq = irq_of_parse_and_map(vias, 0);
+    if (irq == NO_IRQ) {
+        printk(KERN_ERR "via-cuda: can't map interrupts for %s\n",
+               vias->full_name);
+        return -ENODEV;
+    }
+#endif /* CONFIG_MAP */
+    if (request_irq(irq, cuda_interrupt, 0, "ADB", cuda_interrupt)) {
+        printk(KERN_ERR "via-cuda: can't request irq %d\n", irq);
        return -EAGAIN;
    }
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index c1193d34ec9e..06ca80bfd6b9 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -64,10 +64,6 @@
 #include <asm/backlight.h>
 #endif
-#ifdef CONFIG_PPC32
-#include <asm/open_pic.h>
-#endif
 #include "via-pmu-event.h"
 /* Some compile options */
@@ -151,7 +147,7 @@ static int pmu_fully_inited = 0;
 static int pmu_has_adb;
 static struct device_node *gpio_node;
 static unsigned char __iomem *gpio_reg = NULL;
-static int gpio_irq = -1;
+static int gpio_irq = NO_IRQ;
 static int gpio_irq_enabled = -1;
 static volatile int pmu_suspended = 0;
 static spinlock_t pmu_lock;
@@ -403,22 +399,21 @@ static int __init pmu_init(void)
 */
 static int __init via_pmu_start(void)
 {
+        unsigned int irq;
        if (vias == NULL)
                return -ENODEV;
        batt_req.complete = 1;
-#ifndef CONFIG_PPC_MERGE
+        irq = irq_of_parse_and_map(vias, 0);
-        if (pmu_kind == PMU_KEYLARGO_BASED)
+        if (irq == NO_IRQ) {
-                openpic_set_irq_priority(vias->intrs[0].line,
+                printk(KERN_ERR "via-pmu: can't map interruptn");
-                                         OPENPIC_PRIORITY_DEFAULT + 1);
+                return -ENODEV;
-#endif
+        }
+        if (request_irq(irq, via_pmu_interrupt, 0, "VIA-PMU", (void *)0)) {
-        if (request_irq(vias->intrs[0].line, via_pmu_interrupt, 0, "VIA-PMU",
+                printk(KERN_ERR "via-pmu: can't request irq %d\n", irq);
-                        (void *)0)) {
+                return -ENODEV;
-                printk(KERN_ERR "VIA-PMU: can't get irq %d\n",
-                       vias->intrs[0].line);
-                return -EAGAIN;
        }
        if (pmu_kind == PMU_KEYLARGO_BASED) {
@@ -426,10 +421,10 @@ static int __init via_pmu_start(void)
                if (gpio_node == NULL)
                        gpio_node = of_find_node_by_name(NULL,
                                                         "pmu-interrupt");
-                if (gpio_node && gpio_node->n_intrs > 0)
+                if (gpio_node)
-                        gpio_irq = gpio_node->intrs[0].line;
+                        gpio_irq = irq_of_parse_and_map(gpio_node, 0);
-                if (gpio_irq != -1) {
+                if (gpio_irq != NO_IRQ) {
                        if (request_irq(gpio_irq, gpio1_interrupt, 0,
                                        "GPIO1 ADB", (void *)0))
                                printk(KERN_ERR "pmu: can't get irq %d"
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2fe32c261922..e4e161372a3e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1404,7 +1404,7 @@ static int lock_rdev(mdk_rdev_t *rdev, dev_t dev)
        struct block_device *bdev;
        char b[BDEVNAME_SIZE];
-        bdev = open_by_devnum(dev, FMODE_READ|FMODE_WRITE);
+        bdev = open_partition_by_devnum(dev, FMODE_READ|FMODE_WRITE);
        if (IS_ERR(bdev)) {
                printk(KERN_ERR "md: could not open %s.\n",
                        __bdevname(dev, b));
@@ -1414,7 +1414,7 @@ static int lock_rdev(mdk_rdev_t *rdev, dev_t dev)
        if (err) {
                printk(KERN_ERR "md: could not bd_claim %s.\n",
                        bdevname(bdev, b));
-                blkdev_put(bdev);
+                blkdev_put_partition(bdev);
                return err;
        }
        rdev->bdev = bdev;
@@ -1428,7 +1428,7 @@ static void unlock_rdev(mdk_rdev_t *rdev)
        if (!bdev)
                MD_BUG();
        bd_release(bdev);
-        blkdev_put(bdev);
+        blkdev_put_partition(bdev);
 }
 void md_autodetect_dev(dev_t dev);
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 247ff2f23ac9..33525bdf2ab6 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -128,7 +128,7 @@ static void mmc_wait_done(struct mmc_request *mrq)
 int mmc_wait_for_req(struct mmc_host *host, struct mmc_request *mrq)
 {
-        DECLARE_COMPLETION(complete);
+        DECLARE_COMPLETION_ONSTACK(complete);
        mrq->done_data = &complete;
        mrq->done = mmc_wait_done;
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 8ab03b4a885e..2819de79442c 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1897,7 +1897,7 @@ vortex_timer(unsigned long data)
                printk(KERN_DEBUG "dev->watchdog_timeo=%d\n", dev->watchdog_timeo);
        }
-        disable_irq(dev->irq);
+        disable_irq_lockdep(dev->irq);
        old_window = ioread16(ioaddr + EL3_CMD) >> 13;
        EL3WINDOW(4);
        media_status = ioread16(ioaddr + Wn4_Media);
@@ -1978,7 +1978,7 @@ leave_media_alone:
                         dev->name, media_tbl[dev->if_port].name);
        EL3WINDOW(old_window);
-        enable_irq(dev->irq);
+        enable_irq_lockdep(dev->irq);
        mod_timer(&vp->timer, RUN_AT(next_tick));
        if (vp->deferred)
                iowrite16(FakeIntr, ioaddr + EL3_CMD);
diff --git a/drivers/net/8390.c b/drivers/net/8390.c
index 86be96af9c8f..d2935ae39814 100644
--- a/drivers/net/8390.c
+++ b/drivers/net/8390.c
@@ -249,7 +249,7 @@ void ei_tx_timeout(struct net_device *dev)
        /* Ugly but a reset can be slow, yet must be protected */
                
-        disable_irq_nosync(dev->irq);
+        disable_irq_nosync_lockdep(dev->irq);
        spin_lock(&ei_local->page_lock);
                
        /* Try to restart the card.  Perhaps the user has fixed something. */
@@ -257,7 +257,7 @@ void ei_tx_timeout(struct net_device *dev)
        NS8390_init(dev, 1);
                
        spin_unlock(&ei_local->page_lock);
-        enable_irq(dev->irq);
+        enable_irq_lockdep(dev->irq);
        netif_wake_queue(dev);
 }
    
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 3c90003f4230..037d870712ff 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -2735,21 +2735,21 @@ static void nv_do_nic_poll(unsigned long data)
        if (!using_multi_irqs(dev)) {
                if (np->msi_flags & NV_MSI_X_ENABLED)
-                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+                        disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
                else
-                        disable_irq(dev->irq);
+                        disable_irq_lockdep(dev->irq);
                mask = np->irqmask;
        } else {
                if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
-                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+                        disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
                        mask |= NVREG_IRQ_RX_ALL;
                }
                if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) {
-                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+                        disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
                        mask |= NVREG_IRQ_TX_ALL;
                }
                if (np->nic_poll_irq & NVREG_IRQ_OTHER) {
-                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+                        disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
                        mask |= NVREG_IRQ_OTHER;
                }
        }
@@ -2761,23 +2761,23 @@ static void nv_do_nic_poll(unsigned long data)
        pci_push(base);
        if (!using_multi_irqs(dev)) {
-                nv_nic_irq((int) 0, (void *) data, (struct pt_regs *) NULL);
+                nv_nic_irq(0, dev, NULL);
                if (np->msi_flags & NV_MSI_X_ENABLED)
-                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+                        enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
                else
-                        enable_irq(dev->irq);
+                        enable_irq_lockdep(dev->irq);
        } else {
                if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
-                        nv_nic_irq_rx((int) 0, (void *) data, (struct pt_regs *) NULL);
+                        nv_nic_irq_rx(0, dev, NULL);
-                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+                        enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
                }
                if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) {
-                        nv_nic_irq_tx((int) 0, (void *) data, (struct pt_regs *) NULL);
+                        nv_nic_irq_tx(0, dev, NULL);
-                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+                        enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
                }
                if (np->nic_poll_irq & NVREG_IRQ_OTHER) {
-                        nv_nic_irq_other((int) 0, (void *) data, (struct pt_regs *) NULL);
+                        nv_nic_irq_other(0, dev, NULL);
-                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+                        enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
                }
        }
 }
diff --git a/drivers/net/mace.c b/drivers/net/mace.c
index f2c0bf89f0c7..29e4b5aa6ead 100644
--- a/drivers/net/mace.c
+++ b/drivers/net/mace.c
@@ -242,12 +242,12 @@ static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_i
        }
        rc = request_irq(mp->tx_dma_intr, mace_txdma_intr, 0, "MACE-txdma", dev);
        if (rc) {
-                printk(KERN_ERR "MACE: can't get irq %d\n", mace->intrs[1].line);
+                printk(KERN_ERR "MACE: can't get irq %d\n", mp->tx_dma_intr);
                goto err_free_irq;
        }
        rc = request_irq(mp->rx_dma_intr, mace_rxdma_intr, 0, "MACE-rxdma", dev);
        if (rc) {
-                printk(KERN_ERR "MACE: can't get irq %d\n", mace->intrs[2].line);
+                printk(KERN_ERR "MACE: can't get irq %d\n", mp->rx_dma_intr);
                goto err_free_tx_irq;
        }
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index b764cfda6e84..dafaa5ff5aa6 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -3095,6 +3095,14 @@ static void prism2_clear_set_tim_queue(local_info_t *local)
 }
+/*
+ * HostAP uses two layers of net devices, where the inner
+ * layer gets called all the time from the outer layer.
+ * This is a natural nesting, which needs a split lock type.
+ */
+static struct lock_class_key hostap_netdev_xmit_lock_key;
 static struct net_device *
 prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx,
                       struct device *sdev)
@@ -3259,6 +3267,8 @@ while (0)
        SET_NETDEV_DEV(dev, sdev);
        if (ret >= 0)
                ret = register_netdevice(dev);
+        lockdep_set_class(&dev->_xmit_lock, &hostap_netdev_xmit_lock_key);
        rtnl_unlock();
        if (ret < 0) {
                printk(KERN_WARNING "%s: register netdevice failed!\n",
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 3a4a644c2686..212268881857 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -74,7 +74,7 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity)
 static void
 pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, u32 gsi,
-        int triggering, int polarity)
+        int triggering, int polarity, int shareable)
 {
        int i = 0;
        int irq;
@@ -95,6 +95,9 @@ pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, u32 gsi,
                return;
        }
+        if (shareable)
+                res->irq_resource[i].flags |= IORESOURCE_IRQ_SHAREABLE;
        res->irq_resource[i].start = irq;
        res->irq_resource[i].end = irq;
        pcibios_penalize_isa_irq(irq, 1);
@@ -194,7 +197,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
                        pnpacpi_parse_allocated_irqresource(res_table,
                                res->data.irq.interrupts[i],
                                res->data.irq.triggering,
-                                res->data.irq.polarity);
+                                res->data.irq.polarity,
+                                res->data.irq.sharable);
                }
                break;
@@ -255,7 +259,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
                        pnpacpi_parse_allocated_irqresource(res_table,
                                res->data.extended_irq.interrupts[i],
                                res->data.extended_irq.triggering,
-                                res->data.extended_irq.polarity);
+                                res->data.extended_irq.polarity,
+                                res->data.extended_irq.sharable);
                }
                break;
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 4138564402b8..985d1613baaa 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -383,6 +383,7 @@ void
 sclp_sync_wait(void)
 {
        unsigned long psw_mask;
+        unsigned long flags;
        unsigned long cr0, cr0_sync;
        u64 timeout;
@@ -395,9 +396,11 @@ sclp_sync_wait(void)
                          sclp_tod_from_jiffies(sclp_request_timer.expires -
                                                jiffies);
        }
+        local_irq_save(flags);
        /* Prevent bottom half from executing once we force interrupts open */
        local_bh_disable();
        /* Enable service-signal interruption, disable timer interrupts */
+        trace_hardirqs_on();
        __ctl_store(cr0, 0, 0);
        cr0_sync = cr0;
        cr0_sync |= 0x00000200;
@@ -415,11 +418,10 @@ sclp_sync_wait(void)
                barrier();
                cpu_relax();
        }
-        /* Restore interrupt settings */
+        local_irq_disable();
-        asm volatile ("SSM 0(%0)"
-                      : : "a" (&psw_mask) : "memory");
        __ctl_load(cr0, 0, 0);
-        __local_bh_enable();
+        _local_bh_enable();
+        local_irq_restore(flags);
 }
 EXPORT_SYMBOL(sclp_sync_wait);
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index a3423267467f..6fec90eab00e 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -147,7 +147,7 @@ cio_tpi(void)
                sch->driver->irq(&sch->dev);
        spin_unlock(&sch->lock);
        irq_exit ();
-        __local_bh_enable();
+        _local_bh_enable();
        return 1;
 }
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 36733b9823c6..8e8963f15731 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -84,6 +84,8 @@ static debug_info_t *qeth_dbf_qerr = NULL;
 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
+static struct lock_class_key qdio_out_skb_queue_key;
 /**
 * some more definitions and declarations
 */
@@ -3229,6 +3231,9 @@ qeth_alloc_qdio_buffers(struct qeth_card *card)
                                &card->qdio.out_qs[i]->qdio_bufs[j];
                        skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
                                            skb_list);
+                        lockdep_set_class(
+                                &card->qdio.out_qs[i]->bufs[j].skb_list.lock,
+                                &qdio_out_skb_queue_key);
                        INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
                }
        }
@@ -5272,6 +5277,7 @@ qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
        struct sk_buff_head tmp_list;
        skb_queue_head_init(&tmp_list);
+        lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key);
        for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
                while ((skb = skb_dequeue(&buf->skb_list))){
                        if (vlan_tx_tag_present(skb) &&
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index 432136f96e64..ffb3677e354f 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -378,6 +378,8 @@ s390_do_machine_check(struct pt_regs *regs)
        struct mcck_struct *mcck;
        int umode;
+        lockdep_off();
        mci = (struct mci *) &S390_lowcore.mcck_interruption_code;
        mcck = &__get_cpu_var(cpu_mcck);
        umode = user_mode(regs);
@@ -482,6 +484,7 @@ s390_do_machine_check(struct pt_regs *regs)
                mcck->warning = 1;
                set_thread_flag(TIF_MCCK_PENDING);
        }
+        lockdep_on();
 }
 /*
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 909731b99d26..8ec8da0beaa8 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -2168,9 +2168,9 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
                atomic_clear_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT,
                                  &adapter->status);
                ZFCP_LOG_DEBUG("Doing exchange config data\n");
-                write_lock(&adapter->erp_lock);
+                write_lock_irq(&adapter->erp_lock);
                zfcp_erp_action_to_running(erp_action);
-                write_unlock(&adapter->erp_lock);
+                write_unlock_irq(&adapter->erp_lock);
                zfcp_erp_timeout_init(erp_action);
                if (zfcp_fsf_exchange_config_data(erp_action)) {
                        retval = ZFCP_ERP_FAILED;
@@ -2236,9 +2236,9 @@ zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *erp_action)
        adapter = erp_action->adapter;
        atomic_clear_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status);
-        write_lock(&adapter->erp_lock);
+        write_lock_irq(&adapter->erp_lock);
        zfcp_erp_action_to_running(erp_action);
-        write_unlock(&adapter->erp_lock);
+        write_unlock_irq(&adapter->erp_lock);
        zfcp_erp_timeout_init(erp_action);
        ret = zfcp_fsf_exchange_port_data(erp_action, adapter, NULL);
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 345a191926a4..49ea5add4abc 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -427,6 +427,7 @@ int
 zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, void *sbale_addr)
 {
        struct zfcp_fsf_req *fsf_req;
+        unsigned long flags;
        /* invalid (per convention used in this driver) */
        if (unlikely(!sbale_addr)) {
@@ -438,15 +439,15 @@ zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, void *sbale_addr)
        fsf_req = (struct zfcp_fsf_req *) sbale_addr;
        /* serialize with zfcp_fsf_req_dismiss_all */
-        spin_lock(&adapter->fsf_req_list_lock);
+        spin_lock_irqsave(&adapter->fsf_req_list_lock, flags);
        if (list_empty(&adapter->fsf_req_list_head)) {
-                spin_unlock(&adapter->fsf_req_list_lock);
+                spin_unlock_irqrestore(&adapter->fsf_req_list_lock, flags);
                return 0;
        }
        list_del(&fsf_req->list);
        atomic_dec(&adapter->fsf_reqs_active);
-        spin_unlock(&adapter->fsf_req_list_lock);
+        spin_unlock_irqrestore(&adapter->fsf_req_list_lock, flags);
-        
        if (unlikely(adapter != fsf_req->adapter)) {
                ZFCP_LOG_NORMAL("bug: invalid reqid (fsf_req=%p, "
                                "fsf_req->adapter=%p, adapter=%p)\n",
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 82caba464291..1c960ac1617f 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1001,7 +1001,7 @@ unsigned ata_exec_internal(struct ata_device *dev,
        struct ata_queued_cmd *qc;
        unsigned int tag, preempted_tag;
        u32 preempted_sactive, preempted_qc_active;
-        DECLARE_COMPLETION(wait);
+        DECLARE_COMPLETION_ONSTACK(wait);
        unsigned long flags;
        unsigned int err_mask;
        int rc;
diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index 739bc84f91e9..632f62d6ec7e 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -431,6 +431,8 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
 #endif
        port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
+        if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE)
+                port.flags |= UPF_SHARE_IRQ;
        port.uartclk = 1843200;
        port.dev = &dev->dev;
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 459c0231aef3..bfd2a22759eb 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1443,8 +1443,8 @@ static int __init pmz_init_port(struct uart_pmac_port *uap)
                        uap->flags &= ~PMACZILOG_FLAG_HAS_DMA;
                        goto no_dma;
                }
-                uap->tx_dma_irq = np->intrs[1].line;
+                uap->tx_dma_irq = irq_of_parse_and_map(np, 1);
-                uap->rx_dma_irq = np->intrs[2].line;
+                uap->rx_dma_irq = irq_of_parse_and_map(np, 2);
        }
 no_dma:
@@ -1491,7 +1491,7 @@ no_dma:
         * Init remaining bits of "port" structure
         */
        uap->port.iotype = UPIO_MEM;
-        uap->port.irq = np->intrs[0].line;
+        uap->port.irq = irq_of_parse_and_map(np, 0);
        uap->port.uartclk = ZS_CLOCK;
        uap->port.fifosize = 1;
        uap->port.ops = &pmz_pops;
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index c54af8774393..95831808334c 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -49,6 +49,12 @@
 */
 static DEFINE_MUTEX(port_mutex);
+/*
+ * lockdep: port->lock is initialized in two places, but we
+ *          want only one lock-class:
+ */
+static struct lock_class_key port_lock_key;
 #define HIGH_BITS_OFFSET        ((sizeof(long)-sizeof(int))*8)
 #define uart_users(state)       ((state)->count + ((state)->info ? (state)->info->blocked_open : 0))
@@ -1865,6 +1871,7 @@ uart_set_options(struct uart_port *port, struct console *co,
         * early.
         */
        spin_lock_init(&port->lock);
+        lockdep_set_class(&port->lock, &port_lock_key);
        memset(&termios, 0, sizeof(struct termios));
@@ -2247,8 +2254,10 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
         * If this port is a console, then the spinlock is already
         * initialised.
         */
-        if (!(uart_console(port) && (port->cons->flags & CON_ENABLED)))
+        if (!(uart_console(port) && (port->cons->flags & CON_ENABLED))) {
                spin_lock_init(&port->lock);
+                lockdep_set_class(&port->lock, &port_lock_key);
+        }
        uart_configure_port(drv, state, port);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index ed1cdf6ac8f3..146298ad7371 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -510,7 +510,7 @@ static void spi_complete(void *arg)
 */
 int spi_sync(struct spi_device *spi, struct spi_message *message)
 {
-        DECLARE_COMPLETION(done);
+        DECLARE_COMPLETION_ONSTACK(done);
        int status;
        message->complete = spi_complete;
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index e47e3a8ed6e4..f48c3dbc367a 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -200,7 +200,7 @@ static void update_sb(struct super_block *sb)
        if (!root)
                return;
-        mutex_lock(&root->d_inode->i_mutex);
+        mutex_lock_nested(&root->d_inode->i_mutex, I_MUTEX_PARENT);
        list_for_each_entry(bus, &root->d_subdirs, d_u.d_child) {
                if (bus->d_inode) {
@@ -527,7 +527,7 @@ static void fs_remove_file (struct dentry *dentry)
        if (!parent || !parent->d_inode)
                return;
-        mutex_lock(&parent->d_inode->i_mutex);
+        mutex_lock_nested(&parent->d_inode->i_mutex, I_MUTEX_PARENT);
        if (usbfs_positive(dentry)) {
                if (dentry->d_inode) {
                        if (S_ISDIR(dentry->d_inode->i_mode))
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 17de4c84db69..3badb48d662b 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1557,6 +1557,21 @@ config FB_S3C2410_DEBUG
          Turn on debugging messages. Note that you can set/unset at run time
          through sysfs
+config FB_PNX4008_DUM
+        tristate "Display Update Module support on Philips PNX4008 board"
+        depends on FB && ARCH_PNX4008
+        ---help---
+          Say Y here to enable support for PNX4008 Display Update Module (DUM)
+config FB_PNX4008_DUM_RGB
+        tristate "RGB Framebuffer support on Philips PNX4008 board"
+        depends on FB_PNX4008_DUM
+        select FB_CFB_FILLRECT
+        select FB_CFB_COPYAREA
+        select FB_CFB_IMAGEBLIT
+        ---help---
+          Say Y here to enable support for PNX4008 RGB Framebuffer
 config FB_VIRTUAL
        tristate "Virtual Frame Buffer support (ONLY FOR TESTING!)"
        depends on FB
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index c335e9bc3b20..6283d015f8f5 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -94,6 +94,8 @@ obj-$(CONFIG_FB_TX3912)		  += tx3912fb.o
 obj-$(CONFIG_FB_S1D13XXX)         += s1d13xxxfb.o
 obj-$(CONFIG_FB_IMX)              += imxfb.o
 obj-$(CONFIG_FB_S3C2410)          += s3c2410fb.o
+obj-$(CONFIG_FB_PNX4008_DUM)      += pnx4008/
+obj-$(CONFIG_FB_PNX4008_DUM_RGB)  += pnx4008/
 # Platform or fallback drivers go here
 obj-$(CONFIG_FB_VESA)             += vesafb.o
diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index bfeb11bd4712..71ce1fa45cf4 100644
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -97,14 +97,43 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
                          u_int transp, struct fb_info *info)
 {
        struct offb_par *par = (struct offb_par *) info->par;
+        int i, depth;
+        u32 *pal = info->pseudo_palette;
-        if (!par->cmap_adr || regno > 255)
+        depth = info->var.bits_per_pixel;
+        if (depth == 16)
+                depth = (info->var.green.length == 5) ? 15 : 16;
+        if (regno > 255 ||
+            (depth == 16 && regno > 63) ||
+            (depth == 15 && regno > 31))
                return 1;
+        if (regno < 16) {
+                switch (depth) {
+                case 15:
+                        pal[regno] = (regno << 10) | (regno << 5) | regno;
+                        break;
+                case 16:
+                        pal[regno] = (regno << 11) | (regno << 5) | regno;
+                        break;
+                case 24:
+                        pal[regno] = (regno << 16) | (regno << 8) | regno;
+                        break;
+                case 32:
+                        i = (regno << 8) | regno;
+                        pal[regno] = (i << 16) | i;
+                        break;
+                }
+        }
        red >>= 8;
        green >>= 8;
        blue >>= 8;
+        if (!par->cmap_adr)
+                return 0;
        switch (par->cmap_type) {
        case cmap_m64:
                writeb(regno, par->cmap_adr);
@@ -141,20 +170,6 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
                break;
        }
-        if (regno < 16)
-                switch (info->var.bits_per_pixel) {
-                case 16:
-                        ((u16 *) (info->pseudo_palette))[regno] =
-                            (regno << 10) | (regno << 5) | regno;
-                        break;
-                case 32:
-                        {
-                                int i = (regno << 8) | regno;
-                                ((u32 *) (info->pseudo_palette))[regno] =
-                                    (i << 16) | i;
-                                break;
-                        }
-                }
        return 0;
 }
@@ -223,81 +238,9 @@ int __init offb_init(void)
 {
        struct device_node *dp = NULL, *boot_disp = NULL;
-#if defined(CONFIG_BOOTX_TEXT) && defined(CONFIG_PPC32)
-        struct device_node *macos_display = NULL;
-#endif
        if (fb_get_options("offb", NULL))
                return -ENODEV;
-#if defined(CONFIG_BOOTX_TEXT) && defined(CONFIG_PPC32)
-        /* If we're booted from BootX... */
-        if (boot_infos != 0) {
-                unsigned long addr =
-                    (unsigned long) boot_infos->dispDeviceBase;
-                u32 *addrp;
-                u64 daddr, dsize;
-                unsigned int flags;
-                /* find the device node corresponding to the macos display */
-                while ((dp = of_find_node_by_type(dp, "display"))) {
-                        int i;
-                        /*
-                         * Look for an AAPL,address property first.
-                         */
-                        unsigned int na;
-                        unsigned int *ap =
-                                (unsigned int *)get_property(dp, "AAPL,address",
-                                                             &na);
-                        if (ap != 0) {
-                                for (na /= sizeof(unsigned int); na > 0;
-                                     --na, ++ap)
-                                        if (*ap <= addr &&
-                                            addr < *ap + 0x1000000) {
-                                                macos_display = dp;
-                                                goto foundit;
-                                        }
-                        }
-                        /*
-                         * See if the display address is in one of the address
-                         * ranges for this display.
-                         */
-                        i = 0;
-                        for (;;) {
-                                addrp = of_get_address(dp, i++, &dsize, &flags);
-                                if (addrp == NULL)
-                                        break;
-                                if (!(flags & IORESOURCE_MEM))
-                                        continue;
-                                daddr = of_translate_address(dp, addrp);
-                                if (daddr == OF_BAD_ADDR)
-                                        continue;
-                                if (daddr <= addr && addr < (daddr + dsize)) {
-                                        macos_display = dp;
-                                        goto foundit;
-                                }
-                        }
-                foundit:
-                        if (macos_display) {
-                                printk(KERN_INFO "MacOS display is %s\n",
-                                       dp->full_name);
-                                break;
-                        }
-                }
-                /* initialize it */
-                offb_init_fb(macos_display ? macos_display->
-                             name : "MacOS display",
-                             macos_display ? macos_display->
-                             full_name : "MacOS display",
-                             boot_infos->dispDeviceRect[2],
-                             boot_infos->dispDeviceRect[3],
-                             boot_infos->dispDeviceDepth,
-                             boot_infos->dispDeviceRowBytes, addr, NULL);
-        }
-#endif /* defined(CONFIG_BOOTX_TEXT) && defined(CONFIG_PPC32) */
        for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
                if (get_property(dp, "linux,opened", NULL) &&
                    get_property(dp, "linux,boot-display", NULL)) {
@@ -317,94 +260,93 @@ int __init offb_init(void)
 static void __init offb_init_nodriver(struct device_node *dp)
 {
-        int *pp, i;
        unsigned int len;
-        int width = 640, height = 480, depth = 8, pitch;
+        int i, width = 640, height = 480, depth = 8, pitch = 640;
-        unsigned int flags, rsize, *up;
+        unsigned int flags, rsize, addr_prop = 0;
-        u64 address = OF_BAD_ADDR;
+        unsigned long max_size = 0;
-        u32 *addrp;
+        u64 rstart, address = OF_BAD_ADDR;
+        u32 *pp, *addrp, *up;
        u64 asize;
-        if ((pp = (int *) get_property(dp, "depth", &len)) != NULL
+        pp = (u32 *)get_property(dp, "linux,bootx-depth", &len);
-            && len == sizeof(int))
+        if (pp == NULL)
+                pp = (u32 *)get_property(dp, "depth", &len);
+        if (pp && len == sizeof(u32))
                depth = *pp;
-        if ((pp = (int *) get_property(dp, "width", &len)) != NULL
-            && len == sizeof(int))
+        pp = (u32 *)get_property(dp, "linux,bootx-width", &len);
+        if (pp == NULL)
+                pp = (u32 *)get_property(dp, "width", &len);
+        if (pp && len == sizeof(u32))
                width = *pp;
-        if ((pp = (int *) get_property(dp, "height", &len)) != NULL
-            && len == sizeof(int))
+        pp = (u32 *)get_property(dp, "linux,bootx-height", &len);
+        if (pp == NULL)
+                pp = (u32 *)get_property(dp, "height", &len);
+        if (pp && len == sizeof(u32))
                height = *pp;
-        if ((pp = (int *) get_property(dp, "linebytes", &len)) != NULL
-            && len == sizeof(int)) {
+        pp = (u32 *)get_property(dp, "linux,bootx-linebytes", &len);
+        if (pp == NULL)
+                pp = (u32 *)get_property(dp, "linebytes", &len);
+        if (pp && len == sizeof(u32))
                pitch = *pp;
-                if (pitch == 1)
+        else
-                        pitch = 0x1000;
+                pitch = width * ((depth + 7) / 8);
-        } else
-                pitch = width;
+        rsize = (unsigned long)pitch * (unsigned long)height;
-       rsize = (unsigned long)pitch * (unsigned long)height *
+        /* Ok, now we try to figure out the address of the framebuffer.
-               (unsigned long)(depth / 8);
+         *
+         * Unfortunately, Open Firmware doesn't provide a standard way to do
-       /* Try to match device to a PCI device in order to get a properly
+         * so. All we can do is a dodgy heuristic that happens to work in
-        * translated address rather then trying to decode the open firmware
+         * practice. On most machines, the "address" property contains what
-        * stuff in various incorrect ways
+         * we need, though not on Matrox cards found in IBM machines. What I've
-        */
+         * found that appears to give good results is to go through the PCI
-#ifdef CONFIG_PCI
+         * ranges and pick one that is both big enough and if possible encloses
-       /* First try to locate the PCI device if any */
+         * the "address" property. If none match, we pick the biggest
-       {
+         */
-               struct pci_dev *pdev = NULL;
+        up = (u32 *)get_property(dp, "linux,bootx-addr", &len);
+        if (up == NULL)
-               for_each_pci_dev(pdev) {
+                up = (u32 *)get_property(dp, "address", &len);
-                       if (dp == pci_device_to_OF_node(pdev))
+        if (up && len == sizeof(u32))
-                               break;
+                addr_prop = *up;
-               }
-               if (pdev) {
+        for (i = 0; (addrp = of_get_address(dp, i, &asize, &flags))
-                       for (i = 0; i < 6 && address == OF_BAD_ADDR; i++) {
+                     != NULL; i++) {
-                               if ((pci_resource_flags(pdev, i) &
+                int match_addrp = 0;
-                                    IORESOURCE_MEM) &&
-                                   (pci_resource_len(pdev, i) >= rsize))
+                if (!(flags & IORESOURCE_MEM))
-                                       address = pci_resource_start(pdev, i);
+                        continue;
-                       }
+                if (asize < rsize)
-                       pci_dev_put(pdev);
+                        continue;
-               }
+                rstart = of_translate_address(dp, addrp);
-        }
+                if (rstart == OF_BAD_ADDR)
-#endif /* CONFIG_PCI */
+                        continue;
+                if (addr_prop && (rstart <= addr_prop) &&
-       /* This one is dodgy, we may drop it ... */
+                    ((rstart + asize) >= (addr_prop + rsize)))
-       if (address == OF_BAD_ADDR &&
+                        match_addrp = 1;
-           (up = (unsigned *) get_property(dp, "address", &len)) != NULL &&
+                if (match_addrp) {
-           len == sizeof(unsigned int))
+                        address = addr_prop;
-               address = (u64) * up;
+                        break;
-       if (address == OF_BAD_ADDR) {
-               for (i = 0; (addrp = of_get_address(dp, i, &asize, &flags))
-                            != NULL; i++) {
-                       if (!(flags & IORESOURCE_MEM))
-                               continue;
-                       if (asize >= pitch * height * depth / 8)
-                               break;
-               }
-                if (addrp == NULL) {
-                        printk(KERN_ERR
-                               "no framebuffer address found for %s\n",
-                               dp->full_name);
-                        return;
-                }
-                address = of_translate_address(dp, addrp);
-                if (address == OF_BAD_ADDR) {
-                        printk(KERN_ERR
-                               "can't translate framebuffer address for %s\n",
-                               dp->full_name);
-                        return;
                }
+                if (rsize > max_size) {
+                        max_size = rsize;
+                        address = OF_BAD_ADDR;
+                }
+                if (address == OF_BAD_ADDR)
+                        address = rstart;
+        }
+        if (address == OF_BAD_ADDR && addr_prop)
+                address = (u64)addr_prop;
+        if (address != OF_BAD_ADDR) {
                /* kludge for valkyrie */
                if (strcmp(dp->name, "valkyrie") == 0)
                        address += 0x1000;
+                offb_init_fb(dp->name, dp->full_name, width, height, depth,
+                             pitch, address, dp);
        }
-        offb_init_fb(dp->name, dp->full_name, width, height, depth,
-                     pitch, address, dp);
 }
 static void __init offb_init_fb(const char *name, const char *full_name,
@@ -412,7 +354,7 @@ static void __init offb_init_fb(const char *name, const char *full_name,
                                int pitch, unsigned long address,
                                struct device_node *dp)
 {
-        unsigned long res_size = pitch * height * depth / 8;
+        unsigned long res_size = pitch * height * (depth + 7) / 8;
        struct offb_par *par = &default_par;
        unsigned long res_start = address;
        struct fb_fix_screeninfo *fix;
@@ -426,7 +368,7 @@ static void __init offb_init_fb(const char *name, const char *full_name,
        printk(KERN_INFO
               "Using unsupported %dx%d %s at %lx, depth=%d, pitch=%d\n",
               width, height, name, address, depth, pitch);
-        if (depth != 8 && depth != 16 && depth != 32) {
+        if (depth != 8 && depth != 15 && depth != 16 && depth != 32) {
                printk(KERN_ERR "%s: can't use depth = %d\n", full_name,
                       depth);
                release_mem_region(res_start, res_size);
@@ -502,7 +444,6 @@ static void __init offb_init_fb(const char *name, const char *full_name,
                                   : */ FB_VISUAL_TRUECOLOR;
        var->xoffset = var->yoffset = 0;
-        var->bits_per_pixel = depth;
        switch (depth) {
        case 8:
                var->bits_per_pixel = 8;
@@ -515,7 +456,7 @@ static void __init offb_init_fb(const char *name, const char *full_name,
                var->transp.offset = 0;
                var->transp.length = 0;
                break;
-        case 16:                /* RGB 555 */
+        case 15:                /* RGB 555 */
                var->bits_per_pixel = 16;
                var->red.offset = 10;
                var->red.length = 5;
@@ -526,6 +467,17 @@ static void __init offb_init_fb(const char *name, const char *full_name,
                var->transp.offset = 0;
                var->transp.length = 0;
                break;
+        case 16:                /* RGB 565 */
+                var->bits_per_pixel = 16;
+                var->red.offset = 11;
+                var->red.length = 5;
+                var->green.offset = 5;
+                var->green.length = 6;
+                var->blue.offset = 0;
+                var->blue.length = 5;
+                var->transp.offset = 0;
+                var->transp.length = 0;
+                break;
        case 32:                /* RGB 888 */
                var->bits_per_pixel = 32;
                var->red.offset = 16;
diff --git a/drivers/video/pnx4008/Makefile b/drivers/video/pnx4008/Makefile
new file mode 100644
index 000000000000..636aaccf01fd
--- /dev/null
+++ b/drivers/video/pnx4008/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the new PNX4008 framebuffer device driver
+#
+obj-$(CONFIG_FB_PNX4008_DUM) += sdum.o
+obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnxrgbfb.o
diff --git a/drivers/video/pnx4008/dum.h b/drivers/video/pnx4008/dum.h
new file mode 100644
index 000000000000..d80a614d89ed
--- /dev/null
+++ b/drivers/video/pnx4008/dum.h
@@ -0,0 +1,211 @@
+/*
+ * linux/drivers/video/pnx4008/dum.h
+ *
+ * Internal header for SDUM
+ *
+ * 2005 (c) Koninklijke Philips N.V. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#ifndef __PNX008_DUM_H__
+#define __PNX008_DUM_H__
+#include <asm/arch/platform.h>
+#define PNX4008_DUMCONF_VA_BASE         IO_ADDRESS(PNX4008_DUMCONF_BASE)
+#define PNX4008_DUM_MAIN_VA_BASE        IO_ADDRESS(PNX4008_DUM_MAINCFG_BASE)
+/* DUM CFG ADDRESSES */
+#define DUM_CH_BASE_ADR         (PNX4008_DUMCONF_VA_BASE + 0x00)
+#define DUM_CH_MIN_ADR          (PNX4008_DUMCONF_VA_BASE + 0x00)
+#define DUM_CH_MAX_ADR          (PNX4008_DUMCONF_VA_BASE + 0x04)
+#define DUM_CH_CONF_ADR         (PNX4008_DUMCONF_VA_BASE + 0x08)
+#define DUM_CH_STAT_ADR         (PNX4008_DUMCONF_VA_BASE + 0x0C)
+#define DUM_CH_CTRL_ADR         (PNX4008_DUMCONF_VA_BASE + 0x10)
+#define CH_MARG         (0x100 / sizeof(u32))
+#define DUM_CH_MIN(i)   (*((volatile u32 *)DUM_CH_MIN_ADR + (i) * CH_MARG))
+#define DUM_CH_MAX(i)   (*((volatile u32 *)DUM_CH_MAX_ADR + (i) * CH_MARG))
+#define DUM_CH_CONF(i)  (*((volatile u32 *)DUM_CH_CONF_ADR + (i) * CH_MARG))
+#define DUM_CH_STAT(i)  (*((volatile u32 *)DUM_CH_STAT_ADR + (i) * CH_MARG))
+#define DUM_CH_CTRL(i)  (*((volatile u32 *)DUM_CH_CTRL_ADR + (i) * CH_MARG))
+#define DUM_CONF_ADR          (PNX4008_DUM_MAIN_VA_BASE + 0x00)
+#define DUM_CTRL_ADR          (PNX4008_DUM_MAIN_VA_BASE + 0x04)
+#define DUM_STAT_ADR          (PNX4008_DUM_MAIN_VA_BASE + 0x08)
+#define DUM_DECODE_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x0C)
+#define DUM_COM_BASE_ADR      (PNX4008_DUM_MAIN_VA_BASE + 0x10)
+#define DUM_SYNC_C_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x14)
+#define DUM_CLK_DIV_ADR       (PNX4008_DUM_MAIN_VA_BASE + 0x18)
+#define DUM_DIRTY_LOW_ADR     (PNX4008_DUM_MAIN_VA_BASE + 0x20)
+#define DUM_DIRTY_HIGH_ADR    (PNX4008_DUM_MAIN_VA_BASE + 0x24)
+#define DUM_FORMAT_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x28)
+#define DUM_WTCFG1_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x30)
+#define DUM_RTCFG1_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x34)
+#define DUM_WTCFG2_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x38)
+#define DUM_RTCFG2_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x3C)
+#define DUM_TCFG_ADR          (PNX4008_DUM_MAIN_VA_BASE + 0x40)
+#define DUM_OUTP_FORMAT1_ADR  (PNX4008_DUM_MAIN_VA_BASE + 0x44)
+#define DUM_OUTP_FORMAT2_ADR  (PNX4008_DUM_MAIN_VA_BASE + 0x48)
+#define DUM_SYNC_MODE_ADR     (PNX4008_DUM_MAIN_VA_BASE + 0x4C)
+#define DUM_SYNC_OUT_C_ADR    (PNX4008_DUM_MAIN_VA_BASE + 0x50)
+#define DUM_CONF              (*(volatile u32 *)(DUM_CONF_ADR))
+#define DUM_CTRL              (*(volatile u32 *)(DUM_CTRL_ADR))
+#define DUM_STAT              (*(volatile u32 *)(DUM_STAT_ADR))
+#define DUM_DECODE            (*(volatile u32 *)(DUM_DECODE_ADR))
+#define DUM_COM_BASE          (*(volatile u32 *)(DUM_COM_BASE_ADR))
+#define DUM_SYNC_C            (*(volatile u32 *)(DUM_SYNC_C_ADR))
+#define DUM_CLK_DIV           (*(volatile u32 *)(DUM_CLK_DIV_ADR))
+#define DUM_DIRTY_LOW         (*(volatile u32 *)(DUM_DIRTY_LOW_ADR))
+#define DUM_DIRTY_HIGH        (*(volatile u32 *)(DUM_DIRTY_HIGH_ADR))
+#define DUM_FORMAT            (*(volatile u32 *)(DUM_FORMAT_ADR))
+#define DUM_WTCFG1            (*(volatile u32 *)(DUM_WTCFG1_ADR))
+#define DUM_RTCFG1            (*(volatile u32 *)(DUM_RTCFG1_ADR))
+#define DUM_WTCFG2            (*(volatile u32 *)(DUM_WTCFG2_ADR))
+#define DUM_RTCFG2            (*(volatile u32 *)(DUM_RTCFG2_ADR))
+#define DUM_TCFG              (*(volatile u32 *)(DUM_TCFG_ADR))
+#define DUM_OUTP_FORMAT1      (*(volatile u32 *)(DUM_OUTP_FORMAT1_ADR))
+#define DUM_OUTP_FORMAT2      (*(volatile u32 *)(DUM_OUTP_FORMAT2_ADR))
+#define DUM_SYNC_MODE         (*(volatile u32 *)(DUM_SYNC_MODE_ADR))
+#define DUM_SYNC_OUT_C        (*(volatile u32 *)(DUM_SYNC_OUT_C_ADR))
+/* DUM SLAVE ADDRESSES */
+#define DUM_SLAVE_WRITE_ADR      (PNX4008_DUM_MAINCFG_BASE + 0x0000000)
+#define DUM_SLAVE_READ1_I_ADR    (PNX4008_DUM_MAINCFG_BASE + 0x1000000)
+#define DUM_SLAVE_READ1_R_ADR    (PNX4008_DUM_MAINCFG_BASE + 0x1000004)
+#define DUM_SLAVE_READ2_I_ADR    (PNX4008_DUM_MAINCFG_BASE + 0x1000008)
+#define DUM_SLAVE_READ2_R_ADR    (PNX4008_DUM_MAINCFG_BASE + 0x100000C)
+#define DUM_SLAVE_WRITE_W  ((volatile u32 *)(DUM_SLAVE_WRITE_ADR))
+#define DUM_SLAVE_WRITE_HW ((volatile u16 *)(DUM_SLAVE_WRITE_ADR))
+#define DUM_SLAVE_READ1_I  ((volatile u8 *)(DUM_SLAVE_READ1_I_ADR))
+#define DUM_SLAVE_READ1_R  ((volatile u16 *)(DUM_SLAVE_READ1_R_ADR))
+#define DUM_SLAVE_READ2_I  ((volatile u8 *)(DUM_SLAVE_READ2_I_ADR))
+#define DUM_SLAVE_READ2_R  ((volatile u16 *)(DUM_SLAVE_READ2_R_ADR))
+/* Sony display register addresses */
+#define DISP_0_REG            (0x00)
+#define DISP_1_REG            (0x01)
+#define DISP_CAL_REG          (0x20)
+#define DISP_ID_REG           (0x2A)
+#define DISP_XMIN_L_REG       (0x30)
+#define DISP_XMIN_H_REG       (0x31)
+#define DISP_YMIN_REG         (0x32)
+#define DISP_XMAX_L_REG       (0x34)
+#define DISP_XMAX_H_REG       (0x35)
+#define DISP_YMAX_REG         (0x36)
+#define DISP_SYNC_EN_REG      (0x38)
+#define DISP_SYNC_RISE_L_REG  (0x3C)
+#define DISP_SYNC_RISE_H_REG  (0x3D)
+#define DISP_SYNC_FALL_L_REG  (0x3E)
+#define DISP_SYNC_FALL_H_REG  (0x3F)
+#define DISP_PIXEL_REG        (0x0B)
+#define DISP_DUMMY1_REG       (0x28)
+#define DISP_DUMMY2_REG       (0x29)
+#define DISP_TIMING_REG       (0x98)
+#define DISP_DUMP_REG         (0x99)
+/* Sony display constants */
+#define SONY_ID1              (0x22)
+#define SONY_ID2              (0x23)
+/* Philips display register addresses */
+#define PH_DISP_ORIENT_REG    (0x003)
+#define PH_DISP_YPOINT_REG    (0x200)
+#define PH_DISP_XPOINT_REG    (0x201)
+#define PH_DISP_PIXEL_REG     (0x202)
+#define PH_DISP_YMIN_REG      (0x406)
+#define PH_DISP_YMAX_REG      (0x407)
+#define PH_DISP_XMIN_REG      (0x408)
+#define PH_DISP_XMAX_REG      (0x409)
+/* Misc constants */
+#define NO_VALID_DISPLAY_FOUND      (0)
+#define DISPLAY2_IS_NOT_CONNECTED   (0)
+/* register values */
+#define V_BAC_ENABLE            (BIT(0))
+#define V_BAC_DISABLE_IDLE      (BIT(1))
+#define V_BAC_DISABLE_TRIG      (BIT(2))
+#define V_DUM_RESET             (BIT(3))
+#define V_MUX_RESET             (BIT(4))
+#define BAC_ENABLED             (BIT(0))
+#define BAC_DISABLED            0
+/* Sony LCD commands */
+#define V_LCD_STANDBY_OFF       ((BIT(25)) | (0 << 16) | DISP_0_REG)
+#define V_LCD_USE_9BIT_BUS      ((BIT(25)) | (2 << 16) | DISP_1_REG)
+#define V_LCD_SYNC_RISE_L       ((BIT(25)) | (0 << 16) | DISP_SYNC_RISE_L_REG)
+#define V_LCD_SYNC_RISE_H       ((BIT(25)) | (0 << 16) | DISP_SYNC_RISE_H_REG)
+#define V_LCD_SYNC_FALL_L       ((BIT(25)) | (160 << 16) | DISP_SYNC_FALL_L_REG)
+#define V_LCD_SYNC_FALL_H       ((BIT(25)) | (0 << 16) | DISP_SYNC_FALL_H_REG)
+#define V_LCD_SYNC_ENABLE       ((BIT(25)) | (128 << 16) | DISP_SYNC_EN_REG)
+#define V_LCD_DISPLAY_ON        ((BIT(25)) | (64 << 16) | DISP_0_REG)
+enum {
+        PAD_NONE,
+        PAD_512,
+        PAD_1024
+};
+enum {
+        RGB888,
+        RGB666,
+        RGB565,
+        BGR565,
+        ARGB1555,
+        ABGR1555,
+        ARGB4444,
+        ABGR4444
+};
+struct dum_setup {
+        int sync_neg_edge;
+        int round_robin;
+        int mux_int;
+        int synced_dirty_flag_int;
+        int dirty_flag_int;
+        int error_int;
+        int pf_empty_int;
+        int sf_empty_int;
+        int bac_dis_int;
+        u32 dirty_base_adr;
+        u32 command_base_adr;
+        u32 sync_clk_div;
+        int sync_output;
+        u32 sync_restart_val;
+        u32 set_sync_high;
+        u32 set_sync_low;
+};
+struct dum_ch_setup {
+        int disp_no;
+        u32 xmin;
+        u32 ymin;
+        u32 xmax;
+        u32 ymax;
+        int xmirror;
+        int ymirror;
+        int rotate;
+        u32 minadr;
+        u32 maxadr;
+        u32 dirtybuffer;
+        int pad;
+        int format;
+        int hwdirty;
+        int slave_trans;
+};
+struct disp_window {
+        u32 xmin_l;
+        u32 xmin_h;
+        u32 ymin;
+        u32 xmax_l;
+        u32 xmax_h;
+        u32 ymax;
+};
+#endif                          /* #ifndef __PNX008_DUM_H__ */
diff --git a/drivers/video/pnx4008/fbcommon.h b/drivers/video/pnx4008/fbcommon.h
new file mode 100644
index 000000000000..4ebc87dafafb
--- /dev/null
+++ b/drivers/video/pnx4008/fbcommon.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2005 Philips Semiconductors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA, or http://www.gnu.org/licenses/gpl.html
+*/
+#define QCIF_W  (176)
+#define QCIF_H  (144)
+#define CIF_W   (352)
+#define CIF_H   (288)
+#define LCD_X_RES       208
+#define LCD_Y_RES       320
+#define LCD_X_PAD       256
+#define LCD_BBP         4       /* Bytes Per Pixel */
+#define DISP_MAX_X_SIZE     (320)
+#define DISP_MAX_Y_SIZE     (208)
+#define RETURNVAL_BASE (0x400)
+enum fb_ioctl_returntype {
+        ENORESOURCESLEFT = RETURNVAL_BASE,
+        ERESOURCESNOTFREED,
+        EPROCNOTOWNER,
+        EFBNOTOWNER,
+        ECOPYFAILED,
+        EIOREMAPFAILED,
+};
diff --git a/drivers/video/pnx4008/pnxrgbfb.c b/drivers/video/pnx4008/pnxrgbfb.c
new file mode 100644
index 000000000000..7d9453c91a42
--- /dev/null
+++ b/drivers/video/pnx4008/pnxrgbfb.c
@@ -0,0 +1,213 @@
+/*
+ * drivers/video/pnx4008/pnxrgbfb.c
+ *
+ * PNX4008's framebuffer support
+ *
+ * Author: Grigory Tolstolytkin <gtolstolytkin@ru.mvista.com>
+ * Based on Philips Semiconductors's code
+ *
+ * Copyrght (c) 2005 MontaVista Software, Inc.
+ * Copyright (c) 2005 Philips Semiconductors
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/uaccess.h>
+#include "sdum.h"
+#include "fbcommon.h"
+static u32 colreg[16];
+static struct fb_var_screeninfo rgbfb_var __initdata = {
+        .xres = LCD_X_RES,
+        .yres = LCD_Y_RES,
+        .xres_virtual = LCD_X_RES,
+        .yres_virtual = LCD_Y_RES,
+        .bits_per_pixel = 32,
+        .red.offset = 16,
+        .red.length = 8,
+        .green.offset = 8,
+        .green.length = 8,
+        .blue.offset = 0,
+        .blue.length = 8,
+        .left_margin = 0,
+        .right_margin = 0,
+        .upper_margin = 0,
+        .lower_margin = 0,
+        .vmode = FB_VMODE_NONINTERLACED,
+};
+static struct fb_fix_screeninfo rgbfb_fix __initdata = {
+        .id = "RGBFB",
+        .line_length = LCD_X_RES * LCD_BBP,
+        .type = FB_TYPE_PACKED_PIXELS,
+        .visual = FB_VISUAL_TRUECOLOR,
+        .xpanstep = 0,
+        .ypanstep = 0,
+        .ywrapstep = 0,
+        .accel = FB_ACCEL_NONE,
+};
+static int channel_owned;
+static int no_cursor(struct fb_info *info, struct fb_cursor *cursor)
+{
+        return 0;
+}
+static int rgbfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
+                           u_int transp, struct fb_info *info)
+{
+        if (regno > 15)
+                return 1;
+        colreg[regno] = ((red & 0xff00) << 8) | (green & 0xff00) |
+            ((blue & 0xff00) >> 8);
+        return 0;
+}
+static int rgbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+        return pnx4008_sdum_mmap(info, vma, NULL);
+}
+static struct fb_ops rgbfb_ops = {
+        .fb_mmap = rgbfb_mmap,
+        .fb_setcolreg = rgbfb_setcolreg,
+        .fb_fillrect = cfb_fillrect,
+        .fb_copyarea = cfb_copyarea,
+        .fb_imageblit = cfb_imageblit,
+};
+static int rgbfb_remove(struct platform_device *pdev)
+{
+        struct fb_info *info = platform_get_drvdata(pdev);
+        if (info) {
+                unregister_framebuffer(info);
+                fb_dealloc_cmap(&info->cmap);
+                framebuffer_release(info);
+                platform_set_drvdata(pdev, NULL);
+                kfree(info);
+        }
+        pnx4008_free_dum_channel(channel_owned, pdev->id);
+        pnx4008_set_dum_exit_notification(pdev->id);
+        return 0;
+}
+static int __devinit rgbfb_probe(struct platform_device *pdev)
+{
+        struct fb_info *info;
+        struct dumchannel_uf chan_uf;
+        int ret;
+        char *option;
+        info = framebuffer_alloc(sizeof(u32) * 16, &pdev->dev);
+        if (!info) {
+                ret = -ENOMEM;
+                goto err;
+        }
+        pnx4008_get_fb_addresses(FB_TYPE_RGB, (void **)&info->screen_base,
+                                 (dma_addr_t *) &rgbfb_fix.smem_start,
+                                 &rgbfb_fix.smem_len);
+        if ((ret = pnx4008_alloc_dum_channel(pdev->id)) < 0)
+                goto err0;
+        else {
+                channel_owned = ret;
+                chan_uf.channelnr = channel_owned;
+                chan_uf.dirty = (u32 *) NULL;
+                chan_uf.source = (u32 *) rgbfb_fix.smem_start;
+                chan_uf.x_offset = 0;
+                chan_uf.y_offset = 0;
+                chan_uf.width = LCD_X_RES;
+                chan_uf.height = LCD_Y_RES;
+                if ((ret = pnx4008_put_dum_channel_uf(chan_uf, pdev->id))< 0)
+                        goto err1;
+                if ((ret =
+                     pnx4008_set_dum_channel_sync(channel_owned, CONF_SYNC_ON,
+                                                  pdev->id)) < 0)
+                        goto err1;
+                if ((ret =
+                     pnx4008_set_dum_channel_dirty_detect(channel_owned,
+                                                         CONF_DIRTYDETECTION_ON,
+                                                         pdev->id)) < 0)
+                        goto err1;
+        }
+        if (!fb_get_options("pnxrgbfb", &option) && !strcmp(option, "nocursor"))
+                rgbfb_ops.fb_cursor = no_cursor;
+        info->node = -1;
+        info->flags = FBINFO_FLAG_DEFAULT;
+        info->fbops = &rgbfb_ops;
+        info->fix = rgbfb_fix;
+        info->var = rgbfb_var;
+        info->screen_size = rgbfb_fix.smem_len;
+        info->pseudo_palette = info->par;
+        info->par = NULL;
+        ret = fb_alloc_cmap(&info->cmap, 256, 0);
+        if (ret < 0)
+                goto err2;
+        ret = register_framebuffer(info);
+        if (ret < 0)
+                goto err3;
+        platform_set_drvdata(pdev, info);
+        return 0;
+err3:
+        fb_dealloc_cmap(&info->cmap);
+err2:
+        framebuffer_release(info);
+err1:
+        pnx4008_free_dum_channel(channel_owned, pdev->id);
+err0:
+        kfree(info);
+err:
+        return ret;
+}
+static struct platform_driver rgbfb_driver = {
+        .driver = {
+                .name = "rgbfb",
+        },
+        .probe = rgbfb_probe,
+        .remove = rgbfb_remove,
+};
+static int __init rgbfb_init(void)
+{
+        return platform_driver_register(&rgbfb_driver);
+}
+static void __exit rgbfb_exit(void)
+{
+        platform_driver_unregister(&rgbfb_driver);
+}
+module_init(rgbfb_init);
+module_exit(rgbfb_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/pnx4008/sdum.c b/drivers/video/pnx4008/sdum.c
new file mode 100644
index 000000000000..51f0ecc2a511
--- /dev/null
+++ b/drivers/video/pnx4008/sdum.c
@@ -0,0 +1,872 @@
+/*
+ * drivers/video/pnx4008/sdum.c
+ *
+ * Display Update Master support
+ *
+ * Authors: Grigory Tolstolytkin <gtolstolytkin@ru.mvista.com>
+ *          Vitaly Wool <vitalywool@gmail.com>
+ * Based on Philips Semiconductors's code
+ *
+ * Copyrght (c) 2005-2006 MontaVista Software, Inc.
+ * Copyright (c) 2005 Philips Semiconductors
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/clk.h>
+#include <asm/uaccess.h>
+#include <asm/arch/gpio.h>
+#include "sdum.h"
+#include "fbcommon.h"
+#include "dum.h"
+/* Framebuffers we have */
+static struct pnx4008_fb_addr {
+        int fb_type;
+        long addr_offset;
+        long fb_length;
+} fb_addr[] = {
+        [0] = {
+                FB_TYPE_YUV, 0, 0xB0000
+        },
+        [1] = {
+                FB_TYPE_RGB, 0xB0000, 0x50000
+        },
+};
+static struct dum_data {
+        u32 lcd_phys_start;
+        u32 lcd_virt_start;
+        u32 slave_phys_base;
+        u32 *slave_virt_base;
+        int fb_owning_channel[MAX_DUM_CHANNELS];
+        struct dumchannel_uf chan_uf_store[MAX_DUM_CHANNELS];
+} dum_data;
+/* Different local helper functions */
+static u32 nof_pixels_dx(struct dum_ch_setup *ch_setup)
+{
+        return (ch_setup->xmax - ch_setup->xmin + 1);
+}
+static u32 nof_pixels_dy(struct dum_ch_setup *ch_setup)
+{
+        return (ch_setup->ymax - ch_setup->ymin + 1);
+}
+static u32 nof_pixels_dxy(struct dum_ch_setup *ch_setup)
+{
+        return (nof_pixels_dx(ch_setup) * nof_pixels_dy(ch_setup));
+}
+static u32 nof_bytes(struct dum_ch_setup *ch_setup)
+{
+        u32 r = nof_pixels_dxy(ch_setup);
+        switch (ch_setup->format) {
+        case RGB888:
+        case RGB666:
+                r *= 4;
+                break;
+        default:
+                r *= 2;
+                break;
+        }
+        return r;
+}
+static u32 build_command(int disp_no, u32 reg, u32 val)
+{
+        return ((disp_no << 26) | BIT(25) | (val << 16) | (disp_no << 10) |
+                (reg << 0));
+}
+static u32 build_double_index(int disp_no, u32 val)
+{
+        return ((disp_no << 26) | (val << 16) | (disp_no << 10) | (val << 0));
+}
+static void build_disp_window(struct dum_ch_setup * ch_setup, struct disp_window * dw)
+{
+        dw->ymin = ch_setup->ymin;
+        dw->ymax = ch_setup->ymax;
+        dw->xmin_l = ch_setup->xmin & 0xFF;
+        dw->xmin_h = (ch_setup->xmin & BIT(8)) >> 8;
+        dw->xmax_l = ch_setup->xmax & 0xFF;
+        dw->xmax_h = (ch_setup->xmax & BIT(8)) >> 8;
+}
+static int put_channel(struct dumchannel chan)
+{
+        int i = chan.channelnr;
+        if (i < 0 || i > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else {
+                DUM_CH_MIN(i) = chan.dum_ch_min;
+                DUM_CH_MAX(i) = chan.dum_ch_max;
+                DUM_CH_CONF(i) = chan.dum_ch_conf;
+                DUM_CH_CTRL(i) = chan.dum_ch_ctrl;
+        }
+        return 0;
+}
+static void clear_channel(int channr)
+{
+        struct dumchannel chan;
+        chan.channelnr = channr;
+        chan.dum_ch_min = 0;
+        chan.dum_ch_max = 0;
+        chan.dum_ch_conf = 0;
+        chan.dum_ch_ctrl = 0;
+        put_channel(chan);
+}
+static int put_cmd_string(struct cmdstring cmds)
+{
+        u16 *cmd_str_virtaddr;
+        u32 *cmd_ptr0_virtaddr;
+        u32 cmd_str_physaddr;
+        int i = cmds.channelnr;
+        if (i < 0 || i > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else if ((cmd_ptr0_virtaddr =
+                  (int *)ioremap_nocache(DUM_COM_BASE,
+                                         sizeof(int) * MAX_DUM_CHANNELS)) ==
+                 NULL)
+                return -EIOREMAPFAILED;
+        else {
+                cmd_str_physaddr = ioread32(&cmd_ptr0_virtaddr[cmds.channelnr]);
+                if ((cmd_str_virtaddr =
+                     (u16 *) ioremap_nocache(cmd_str_physaddr,
+                                             sizeof(cmds))) == NULL) {
+                        iounmap(cmd_ptr0_virtaddr);
+                        return -EIOREMAPFAILED;
+                } else {
+                        int t;
+                        for (t = 0; t < 8; t++)
+                                iowrite16(*((u16 *)&cmds.prestringlen + t),
+                                          cmd_str_virtaddr + t);
+                        for (t = 0; t < cmds.prestringlen / 2; t++)
+                                 iowrite16(*((u16 *)&cmds.precmd + t),
+                                           cmd_str_virtaddr + t + 8);
+                        for (t = 0; t < cmds.poststringlen / 2; t++)
+                                iowrite16(*((u16 *)&cmds.postcmd + t),
+                                          cmd_str_virtaddr + t + 8 +
+                                                cmds.prestringlen / 2);
+                        iounmap(cmd_ptr0_virtaddr);
+                        iounmap(cmd_str_virtaddr);
+                }
+        }
+        return 0;
+}
+static u32 dum_ch_setup(int ch_no, struct dum_ch_setup * ch_setup)
+{
+        struct cmdstring cmds_c;
+        struct cmdstring *cmds = &cmds_c;
+        struct disp_window dw;
+        int standard;
+        u32 orientation = 0;
+        struct dumchannel chan = { 0 };
+        int ret;
+        if ((ch_setup->xmirror) || (ch_setup->ymirror) || (ch_setup->rotate)) {
+                standard = 0;
+                orientation = BIT(1);   /* always set 9-bit-bus */
+                if (ch_setup->xmirror)
+                        orientation |= BIT(4);
+                if (ch_setup->ymirror)
+                        orientation |= BIT(3);
+                if (ch_setup->rotate)
+                        orientation |= BIT(0);
+        } else
+                standard = 1;
+        cmds->channelnr = ch_no;
+        /* build command string header */
+        if (standard) {
+                cmds->prestringlen = 32;
+                cmds->poststringlen = 0;
+        } else {
+                cmds->prestringlen = 48;
+                cmds->poststringlen = 16;
+        }
+        cmds->format =
+            (u16) ((ch_setup->disp_no << 4) | (BIT(3)) | (ch_setup->format));
+        cmds->reserved = 0x0;
+        cmds->startaddr_low = (ch_setup->minadr & 0xFFFF);
+        cmds->startaddr_high = (ch_setup->minadr >> 16);
+        if ((ch_setup->minadr == 0) && (ch_setup->maxadr == 0)
+            && (ch_setup->xmin == 0)
+            && (ch_setup->ymin == 0) && (ch_setup->xmax == 0)
+            && (ch_setup->ymax == 0)) {
+                cmds->pixdatlen_low = 0;
+                cmds->pixdatlen_high = 0;
+        } else {
+                u32 nbytes = nof_bytes(ch_setup);
+                cmds->pixdatlen_low = (nbytes & 0xFFFF);
+                cmds->pixdatlen_high = (nbytes >> 16);
+        }
+        if (ch_setup->slave_trans)
+                cmds->pixdatlen_high |= BIT(15);
+        /* build pre-string */
+        build_disp_window(ch_setup, &dw);
+        if (standard) {
+                cmds->precmd[0] =
+                    build_command(ch_setup->disp_no, DISP_XMIN_L_REG, 0x99);
+                cmds->precmd[1] =
+                    build_command(ch_setup->disp_no, DISP_XMIN_L_REG,
+                                  dw.xmin_l);
+                cmds->precmd[2] =
+                    build_command(ch_setup->disp_no, DISP_XMIN_H_REG,
+                                  dw.xmin_h);
+                cmds->precmd[3] =
+                    build_command(ch_setup->disp_no, DISP_YMIN_REG, dw.ymin);
+                cmds->precmd[4] =
+                    build_command(ch_setup->disp_no, DISP_XMAX_L_REG,
+                                  dw.xmax_l);
+                cmds->precmd[5] =
+                    build_command(ch_setup->disp_no, DISP_XMAX_H_REG,
+                                  dw.xmax_h);
+                cmds->precmd[6] =
+                    build_command(ch_setup->disp_no, DISP_YMAX_REG, dw.ymax);
+                cmds->precmd[7] =
+                    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
+        } else {
+                if (dw.xmin_l == ch_no)
+                        cmds->precmd[0] =
+                            build_command(ch_setup->disp_no, DISP_XMIN_L_REG,
+                                          0x99);
+                else
+                        cmds->precmd[0] =
+                            build_command(ch_setup->disp_no, DISP_XMIN_L_REG,
+                                          ch_no);
+                cmds->precmd[1] =
+                    build_command(ch_setup->disp_no, DISP_XMIN_L_REG,
+                                  dw.xmin_l);
+                cmds->precmd[2] =
+                    build_command(ch_setup->disp_no, DISP_XMIN_H_REG,
+                                  dw.xmin_h);
+                cmds->precmd[3] =
+                    build_command(ch_setup->disp_no, DISP_YMIN_REG, dw.ymin);
+                cmds->precmd[4] =
+                    build_command(ch_setup->disp_no, DISP_XMAX_L_REG,
+                                  dw.xmax_l);
+                cmds->precmd[5] =
+                    build_command(ch_setup->disp_no, DISP_XMAX_H_REG,
+                                  dw.xmax_h);
+                cmds->precmd[6] =
+                    build_command(ch_setup->disp_no, DISP_YMAX_REG, dw.ymax);
+                cmds->precmd[7] =
+                    build_command(ch_setup->disp_no, DISP_1_REG, orientation);
+                cmds->precmd[8] =
+                    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
+                cmds->precmd[9] =
+                    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
+                cmds->precmd[0xA] =
+                    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
+                cmds->precmd[0xB] =
+                    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
+                cmds->postcmd[0] =
+                    build_command(ch_setup->disp_no, DISP_1_REG, BIT(1));
+                cmds->postcmd[1] =
+                    build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 1);
+                cmds->postcmd[2] =
+                    build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 2);
+                cmds->postcmd[3] =
+                    build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 3);
+        }
+        if ((ret = put_cmd_string(cmds_c)) != 0) {
+                return ret;
+        }
+        chan.channelnr = cmds->channelnr;
+        chan.dum_ch_min = ch_setup->dirtybuffer + ch_setup->minadr;
+        chan.dum_ch_max = ch_setup->dirtybuffer + ch_setup->maxadr;
+        chan.dum_ch_conf = 0x002;
+        chan.dum_ch_ctrl = 0x04;
+        put_channel(chan);
+        return 0;
+}
+static u32 display_open(int ch_no, int auto_update, u32 * dirty_buffer,
+                        u32 * frame_buffer, u32 xpos, u32 ypos, u32 w, u32 h)
+{
+        struct dum_ch_setup k;
+        int ret;
+        /* keep width & height within display area */
+        if ((xpos + w) > DISP_MAX_X_SIZE)
+                w = DISP_MAX_X_SIZE - xpos;
+        if ((ypos + h) > DISP_MAX_Y_SIZE)
+                h = DISP_MAX_Y_SIZE - ypos;
+        /* assume 1 display only */
+        k.disp_no = 0;
+        k.xmin = xpos;
+        k.ymin = ypos;
+        k.xmax = xpos + (w - 1);
+        k.ymax = ypos + (h - 1);
+        /* adjust min and max values if necessary */
+        if (k.xmin > DISP_MAX_X_SIZE - 1)
+                k.xmin = DISP_MAX_X_SIZE - 1;
+        if (k.ymin > DISP_MAX_Y_SIZE - 1)
+                k.ymin = DISP_MAX_Y_SIZE - 1;
+        if (k.xmax > DISP_MAX_X_SIZE - 1)
+                k.xmax = DISP_MAX_X_SIZE - 1;
+        if (k.ymax > DISP_MAX_Y_SIZE - 1)
+                k.ymax = DISP_MAX_Y_SIZE - 1;
+        k.xmirror = 0;
+        k.ymirror = 0;
+        k.rotate = 0;
+        k.minadr = (u32) frame_buffer;
+        k.maxadr = (u32) frame_buffer + (((w - 1) << 10) | ((h << 2) - 2));
+        k.pad = PAD_1024;
+        k.dirtybuffer = (u32) dirty_buffer;
+        k.format = RGB888;
+        k.hwdirty = 0;
+        k.slave_trans = 0;
+        ret = dum_ch_setup(ch_no, &k);
+        return ret;
+}
+static void lcd_reset(void)
+{
+        u32 *dum_pio_base = (u32 *)IO_ADDRESS(PNX4008_PIO_BASE);
+        udelay(1);
+        iowrite32(BIT(19), &dum_pio_base[2]);
+        udelay(1);
+        iowrite32(BIT(19), &dum_pio_base[1]);
+        udelay(1);
+}
+static int dum_init(struct platform_device *pdev)
+{
+        struct clk *clk;
+        /* enable DUM clock */
+        clk = clk_get(&pdev->dev, "dum_ck");
+        if (IS_ERR(clk)) {
+                printk(KERN_ERR "pnx4008_dum: Unable to access DUM clock\n");
+                return PTR_ERR(clk);
+        }
+        clk_set_rate(clk, 1);
+        clk_put(clk);
+        DUM_CTRL = V_DUM_RESET;
+        /* set priority to "round-robin". All other params to "false" */
+        DUM_CONF = BIT(9);
+        /* Display 1 */
+        DUM_WTCFG1 = PNX4008_DUM_WT_CFG;
+        DUM_RTCFG1 = PNX4008_DUM_RT_CFG;
+        DUM_TCFG = PNX4008_DUM_T_CFG;
+        return 0;
+}
+static void dum_chan_init(void)
+{
+        int i = 0, ch = 0;
+        u32 *cmdptrs;
+        u32 *cmdstrings;
+        DUM_COM_BASE =
+                CMDSTRING_BASEADDR + BYTES_PER_CMDSTRING * NR_OF_CMDSTRINGS;
+        if ((cmdptrs =
+             (u32 *) ioremap_nocache(DUM_COM_BASE,
+                                     sizeof(u32) * NR_OF_CMDSTRINGS)) == NULL)
+                return;
+        for (ch = 0; ch < NR_OF_CMDSTRINGS; ch++)
+                iowrite32(CMDSTRING_BASEADDR + BYTES_PER_CMDSTRING * ch,
+                          cmdptrs + ch);
+        for (ch = 0; ch < MAX_DUM_CHANNELS; ch++)
+                clear_channel(ch);
+        /* Clear the cmdstrings */
+        cmdstrings =
+            (u32 *)ioremap_nocache(*cmdptrs,
+                                   BYTES_PER_CMDSTRING * NR_OF_CMDSTRINGS);
+        if (!cmdstrings)
+                goto out;
+        for (i = 0; i < NR_OF_CMDSTRINGS * BYTES_PER_CMDSTRING / sizeof(u32);
+             i++)
+                iowrite32(0, cmdstrings + i);
+        iounmap((u32 *)cmdstrings);
+out:
+        iounmap((u32 *)cmdptrs);
+}
+static void lcd_init(void)
+{
+        lcd_reset();
+        DUM_OUTP_FORMAT1 = 0; /* RGB666 */
+        udelay(1);
+        iowrite32(V_LCD_STANDBY_OFF, dum_data.slave_virt_base);
+        udelay(1);
+        iowrite32(V_LCD_USE_9BIT_BUS, dum_data.slave_virt_base);
+        udelay(1);
+        iowrite32(V_LCD_SYNC_RISE_L, dum_data.slave_virt_base);
+        udelay(1);
+        iowrite32(V_LCD_SYNC_RISE_H, dum_data.slave_virt_base);
+        udelay(1);
+        iowrite32(V_LCD_SYNC_FALL_L, dum_data.slave_virt_base);
+        udelay(1);
+        iowrite32(V_LCD_SYNC_FALL_H, dum_data.slave_virt_base);
+        udelay(1);
+        iowrite32(V_LCD_SYNC_ENABLE, dum_data.slave_virt_base);
+        udelay(1);
+        iowrite32(V_LCD_DISPLAY_ON, dum_data.slave_virt_base);
+        udelay(1);
+}
+/* Interface exported to framebuffer drivers */
+int pnx4008_get_fb_addresses(int fb_type, void **virt_addr,
+                             dma_addr_t *phys_addr, int *fb_length)
+{
+        int i;
+        int ret = -1;
+        for (i = 0; i < ARRAY_SIZE(fb_addr); i++)
+                if (fb_addr[i].fb_type == fb_type) {
+                        *virt_addr = (void *)(dum_data.lcd_virt_start +
+                                        fb_addr[i].addr_offset);
+                        *phys_addr =
+                            dum_data.lcd_phys_start + fb_addr[i].addr_offset;
+                        *fb_length = fb_addr[i].fb_length;
+                        ret = 0;
+                        break;
+                }
+        return ret;
+}
+EXPORT_SYMBOL(pnx4008_get_fb_addresses);
+int pnx4008_alloc_dum_channel(int dev_id)
+{
+        int i = 0;
+        while ((i < MAX_DUM_CHANNELS) && (dum_data.fb_owning_channel[i] != -1))
+                i++;
+        if (i == MAX_DUM_CHANNELS)
+                return -ENORESOURCESLEFT;
+        else {
+                dum_data.fb_owning_channel[i] = dev_id;
+                return i;
+        }
+}
+EXPORT_SYMBOL(pnx4008_alloc_dum_channel);
+int pnx4008_free_dum_channel(int channr, int dev_id)
+{
+        if (channr < 0 || channr > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else if (dum_data.fb_owning_channel[channr] != dev_id)
+                return -EFBNOTOWNER;
+        else {
+                clear_channel(channr);
+                dum_data.fb_owning_channel[channr] = -1;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(pnx4008_free_dum_channel);
+int pnx4008_put_dum_channel_uf(struct dumchannel_uf chan_uf, int dev_id)
+{
+        int i = chan_uf.channelnr;
+        int ret;
+        if (i < 0 || i > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else if (dum_data.fb_owning_channel[i] != dev_id)
+                return -EFBNOTOWNER;
+        else if ((ret =
+                  display_open(chan_uf.channelnr, 0, chan_uf.dirty,
+                               chan_uf.source, chan_uf.y_offset,
+                               chan_uf.x_offset, chan_uf.height,
+                               chan_uf.width)) != 0)
+                return ret;
+        else {
+                dum_data.chan_uf_store[i].dirty = chan_uf.dirty;
+                dum_data.chan_uf_store[i].source = chan_uf.source;
+                dum_data.chan_uf_store[i].x_offset = chan_uf.x_offset;
+                dum_data.chan_uf_store[i].y_offset = chan_uf.y_offset;
+                dum_data.chan_uf_store[i].width = chan_uf.width;
+                dum_data.chan_uf_store[i].height = chan_uf.height;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(pnx4008_put_dum_channel_uf);
+int pnx4008_set_dum_channel_sync(int channr, int val, int dev_id)
+{
+        if (channr < 0 || channr > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else if (dum_data.fb_owning_channel[channr] != dev_id)
+                return -EFBNOTOWNER;
+        else {
+                if (val == CONF_SYNC_ON) {
+                        DUM_CH_CONF(channr) |= CONF_SYNCENABLE;
+                        DUM_CH_CONF(channr) |= DUM_CHANNEL_CFG_SYNC_MASK |
+                                DUM_CHANNEL_CFG_SYNC_MASK_SET;
+                } else if (val == CONF_SYNC_OFF)
+                        DUM_CH_CONF(channr) &= ~CONF_SYNCENABLE;
+                else
+                        return -EINVAL;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(pnx4008_set_dum_channel_sync);
+int pnx4008_set_dum_channel_dirty_detect(int channr, int val, int dev_id)
+{
+        if (channr < 0 || channr > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else if (dum_data.fb_owning_channel[channr] != dev_id)
+                return -EFBNOTOWNER;
+        else {
+                if (val == CONF_DIRTYDETECTION_ON)
+                        DUM_CH_CONF(channr) |= CONF_DIRTYENABLE;
+                else if (val == CONF_DIRTYDETECTION_OFF)
+                        DUM_CH_CONF(channr) &= ~CONF_DIRTYENABLE;
+                else
+                        return -EINVAL;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(pnx4008_set_dum_channel_dirty_detect);
+#if 0 /* Functions not used currently, but likely to be used in future */
+static int get_channel(struct dumchannel *p_chan)
+{
+        int i = p_chan->channelnr;
+        if (i < 0 || i > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else {
+                p_chan->dum_ch_min = DUM_CH_MIN(i);
+                p_chan->dum_ch_max = DUM_CH_MAX(i);
+                p_chan->dum_ch_conf = DUM_CH_CONF(i);
+                p_chan->dum_ch_stat = DUM_CH_STAT(i);
+                p_chan->dum_ch_ctrl = 0;        /* WriteOnly control register */
+        }
+        return 0;
+}
+int pnx4008_get_dum_channel_uf(struct dumchannel_uf *p_chan_uf, int dev_id)
+{
+        int i = p_chan_uf->channelnr;
+        if (i < 0 || i > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else if (dum_data.fb_owning_channel[i] != dev_id)
+                return -EFBNOTOWNER;
+        else {
+                p_chan_uf->dirty = dum_data.chan_uf_store[i].dirty;
+                p_chan_uf->source = dum_data.chan_uf_store[i].source;
+                p_chan_uf->x_offset = dum_data.chan_uf_store[i].x_offset;
+                p_chan_uf->y_offset = dum_data.chan_uf_store[i].y_offset;
+                p_chan_uf->width = dum_data.chan_uf_store[i].width;
+                p_chan_uf->height = dum_data.chan_uf_store[i].height;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(pnx4008_get_dum_channel_uf);
+int pnx4008_get_dum_channel_config(int channr, int dev_id)
+{
+        int ret;
+        struct dumchannel chan;
+        if (channr < 0 || channr > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else if (dum_data.fb_owning_channel[channr] != dev_id)
+                return -EFBNOTOWNER;
+        else {
+                chan.channelnr = channr;
+                if ((ret = get_channel(&chan)) != 0)
+                        return ret;
+        }
+        return (chan.dum_ch_conf & DUM_CHANNEL_CFG_MASK);
+}
+EXPORT_SYMBOL(pnx4008_get_dum_channel_config);
+int pnx4008_force_update_dum_channel(int channr, int dev_id)
+{
+        if (channr < 0 || channr > MAX_DUM_CHANNELS)
+                return -EINVAL;
+        else if (dum_data.fb_owning_channel[channr] != dev_id)
+                return -EFBNOTOWNER;
+        else
+                DUM_CH_CTRL(channr) = CTRL_SETDIRTY;
+        return 0;
+}
+EXPORT_SYMBOL(pnx4008_force_update_dum_channel);
+#endif
+int pnx4008_sdum_mmap(struct fb_info *info, struct vm_area_struct *vma,
+                      struct device *dev)
+{
+        unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
+        if (off < info->fix.smem_len) {
+                vma->vm_pgoff += 1;
+                return dma_mmap_writecombine(dev, vma,
+                                (void *)dum_data.lcd_virt_start,
+                                dum_data.lcd_phys_start,
+                                FB_DMA_SIZE);
+        }
+        return -EINVAL;
+}
+EXPORT_SYMBOL(pnx4008_sdum_mmap);
+int pnx4008_set_dum_exit_notification(int dev_id)
+{
+        int i;
+        for (i = 0; i < MAX_DUM_CHANNELS; i++)
+                if (dum_data.fb_owning_channel[i] == dev_id)
+                        return -ERESOURCESNOTFREED;
+        return 0;
+}
+EXPORT_SYMBOL(pnx4008_set_dum_exit_notification);
+/* Platform device driver for DUM */
+static int sdum_suspend(struct platform_device *pdev, pm_message_t state)
+{
+        int retval = 0;
+        struct clk *clk;
+        clk = clk_get(0, "dum_ck");
+        if (!IS_ERR(clk)) {
+                clk_set_rate(clk, 0);
+                clk_put(clk);
+        } else
+                retval = PTR_ERR(clk);
+        /* disable BAC */
+        DUM_CTRL = V_BAC_DISABLE_IDLE;
+        /* LCD standby & turn off display */
+        lcd_reset();
+        return retval;
+}
+static int sdum_resume(struct platform_device *pdev)
+{
+        int retval = 0;
+        struct clk *clk;
+        clk = clk_get(0, "dum_ck");
+        if (!IS_ERR(clk)) {
+                clk_set_rate(clk, 1);
+                clk_put(clk);
+        } else
+                retval = PTR_ERR(clk);
+        /* wait for BAC disable */
+        DUM_CTRL = V_BAC_DISABLE_TRIG;
+        while (DUM_CTRL & BAC_ENABLED)
+                udelay(10);
+        /* re-init LCD */
+        lcd_init();
+        /* enable BAC and reset MUX */
+        DUM_CTRL = V_BAC_ENABLE;
+        udelay(1);
+        DUM_CTRL = V_MUX_RESET;
+        return 0;
+}
+static int __devinit sdum_probe(struct platform_device *pdev)
+{
+        int ret = 0, i = 0;
+        /* map frame buffer */
+        dum_data.lcd_virt_start = (u32) dma_alloc_writecombine(&pdev->dev,
+                                                       FB_DMA_SIZE,
+                                                       &dum_data.lcd_phys_start,
+                                                       GFP_KERNEL);
+        if (!dum_data.lcd_virt_start) {
+                ret = -ENOMEM;
+                goto out_3;
+        }
+        /* map slave registers */
+        dum_data.slave_phys_base = PNX4008_DUM_SLAVE_BASE;
+        dum_data.slave_virt_base =
+            (u32 *) ioremap_nocache(dum_data.slave_phys_base, sizeof(u32));
+        if (dum_data.slave_virt_base == NULL) {
+                ret = -ENOMEM;
+                goto out_2;
+        }
+        /* initialize DUM and LCD display */
+        ret = dum_init(pdev);
+        if (ret)
+                goto out_1;
+        dum_chan_init();
+        lcd_init();
+        DUM_CTRL = V_BAC_ENABLE;
+        udelay(1);
+        DUM_CTRL = V_MUX_RESET;
+        /* set decode address and sync clock divider */
+        DUM_DECODE = dum_data.lcd_phys_start & DUM_DECODE_MASK;
+        DUM_CLK_DIV = PNX4008_DUM_CLK_DIV;
+        for (i = 0; i < MAX_DUM_CHANNELS; i++)
+                dum_data.fb_owning_channel[i] = -1;
+        /*setup wakeup interrupt */
+        start_int_set_rising_edge(SE_DISP_SYNC_INT);
+        start_int_ack(SE_DISP_SYNC_INT);
+        start_int_umask(SE_DISP_SYNC_INT);
+        return 0;
+out_1:
+        iounmap((void *)dum_data.slave_virt_base);
+out_2:
+        dma_free_writecombine(&pdev->dev, FB_DMA_SIZE,
+                        (void *)dum_data.lcd_virt_start,
+                        dum_data.lcd_phys_start);
+out_3:
+        return ret;
+}
+static int sdum_remove(struct platform_device *pdev)
+{
+        struct clk *clk;
+        start_int_mask(SE_DISP_SYNC_INT);
+        clk = clk_get(0, "dum_ck");
+        if (!IS_ERR(clk)) {
+                clk_set_rate(clk, 0);
+                clk_put(clk);
+        }
+        iounmap((void *)dum_data.slave_virt_base);
+        dma_free_writecombine(&pdev->dev, FB_DMA_SIZE,
+                        (void *)dum_data.lcd_virt_start,
+                        dum_data.lcd_phys_start);
+        return 0;
+}
+static struct platform_driver sdum_driver = {
+        .driver = {
+                .name = "sdum",
+        },
+        .probe = sdum_probe,
+        .remove = sdum_remove,
+        .suspend = sdum_suspend,
+        .resume = sdum_resume,
+};
+int __init sdum_init(void)
+{
+        return platform_driver_register(&sdum_driver);
+}
+static void __exit sdum_exit(void)
+{
+        platform_driver_unregister(&sdum_driver);
+};
+module_init(sdum_init);
+module_exit(sdum_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/pnx4008/sdum.h b/drivers/video/pnx4008/sdum.h
new file mode 100644
index 000000000000..e8c5dcdd8813
--- /dev/null
+++ b/drivers/video/pnx4008/sdum.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2005 Philips Semiconductors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA, or http://www.gnu.org/licenses/gpl.html
+*/
+#define MAX_DUM_CHANNELS        64
+#define RGB_MEM_WINDOW(x) (0x10000000 + (x)*0x00100000)
+#define QCIF_OFFSET(x) (((x) == 0) ? 0x00000: ((x) == 1) ? 0x30000: -1)
+#define CIF_OFFSET(x)  (((x) == 0) ? 0x00000: ((x) == 1) ? 0x60000: -1)
+#define CTRL_SETDIRTY           (0x00000001)
+#define CONF_DIRTYENABLE        (0x00000020)
+#define CONF_SYNCENABLE         (0x00000004)
+#define DIRTY_ENABLED(conf)     ((conf) & 0x0020)
+#define SYNC_ENABLED(conf)      ((conf) & 0x0004)
+/* Display 1 & 2 Write Timing Configuration */
+#define PNX4008_DUM_WT_CFG              0x00372000
+/* Display 1 & 2 Read Timing Configuration */
+#define PNX4008_DUM_RT_CFG              0x00003A47
+/* DUM Transit State Timing Configuration */
+#define PNX4008_DUM_T_CFG               0x1D    /* 29 HCLK cycles */
+/* DUM Sync count clock divider */
+#define PNX4008_DUM_CLK_DIV             0x02DD
+/* Memory size for framebuffer, allocated through dma_alloc_writecombine().
+ * Must be PAGE aligned
+ */
+#define FB_DMA_SIZE (PAGE_ALIGN(SZ_1M + PAGE_SIZE))
+#define OFFSET_RGBBUFFER (0xB0000)
+#define OFFSET_YUVBUFFER (0x00000)
+#define YUVBUFFER (lcd_video_start + OFFSET_YUVBUFFER)
+#define RGBBUFFER (lcd_video_start + OFFSET_RGBBUFFER)
+#define CMDSTRING_BASEADDR      (0x00C000)      /* iram */
+#define BYTES_PER_CMDSTRING     (0x80)
+#define NR_OF_CMDSTRINGS        (64)
+#define MAX_NR_PRESTRINGS (0x40)
+#define MAX_NR_POSTSTRINGS (0x40)
+/* various mask definitions */
+#define DUM_CLK_ENABLE 0x01
+#define DUM_CLK_DISABLE 0
+#define DUM_DECODE_MASK 0x1FFFFFFF
+#define DUM_CHANNEL_CFG_MASK 0x01FF
+#define DUM_CHANNEL_CFG_SYNC_MASK 0xFFFE00FF
+#define DUM_CHANNEL_CFG_SYNC_MASK_SET 0x0CA00
+#define SDUM_RETURNVAL_BASE (0x500)
+#define CONF_SYNC_OFF           (0x602)
+#define CONF_SYNC_ON            (0x603)
+#define CONF_DIRTYDETECTION_OFF (0x600)
+#define CONF_DIRTYDETECTION_ON  (0x601)
+/* Set the corresponding bit. */
+#define BIT(n) (0x1U << (n))
+struct dumchannel_uf {
+        int channelnr;
+        u32 *dirty;
+        u32 *source;
+        u32 x_offset;
+        u32 y_offset;
+        u32 width;
+        u32 height;
+};
+enum {
+        FB_TYPE_YUV,
+        FB_TYPE_RGB
+};
+struct cmdstring {
+        int channelnr;
+        uint16_t prestringlen;
+        uint16_t poststringlen;
+        uint16_t format;
+        uint16_t reserved;
+        uint16_t startaddr_low;
+        uint16_t startaddr_high;
+        uint16_t pixdatlen_low;
+        uint16_t pixdatlen_high;
+        u32 precmd[MAX_NR_PRESTRINGS];
+        u32 postcmd[MAX_NR_POSTSTRINGS];
+};
+struct dumchannel {
+        int channelnr;
+        int dum_ch_min;
+        int dum_ch_max;
+        int dum_ch_conf;
+        int dum_ch_stat;
+        int dum_ch_ctrl;
+};
+int pnx4008_alloc_dum_channel(int dev_id);
+int pnx4008_free_dum_channel(int channr, int dev_id);
+int pnx4008_get_dum_channel_uf(struct dumchannel_uf *pChan_uf, int dev_id);
+int pnx4008_put_dum_channel_uf(struct dumchannel_uf chan_uf, int dev_id);
+int pnx4008_set_dum_channel_sync(int channr, int val, int dev_id);
+int pnx4008_set_dum_channel_dirty_detect(int channr, int val, int dev_id);
+int pnx4008_force_dum_update_channel(int channr, int dev_id);
+int pnx4008_get_dum_channel_config(int channr, int dev_id);
+int pnx4008_sdum_mmap(struct fb_info *info, struct vm_area_struct *vma, struct device *dev);
+int pnx4008_set_dum_exit_notification(int dev_id);
+int pnx4008_get_fb_addresses(int fb_type, void **virt_addr,
+                             dma_addr_t * phys_addr, int *fb_length);