6 files changed, 48 insertions, 35 deletions

diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 0182a22c423a..832798aa14f6 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -66,6 +66,7 @@
 #include <linux/blkdev.h>
 #include <linux/elevator.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
 
 #include <asm/setup.h>
 #include <asm/uaccess.h>
@@ -1696,34 +1697,18 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
         return get_disk(unit[drive].gendisk);
 }
 
-static int __init amiga_floppy_init(void)
+static int __init amiga_floppy_probe(struct platform_device *pdev)
 {
         int i, ret;
 
-        if (!MACH_IS_AMIGA)
-                return -ENODEV;
-
-        if (!AMIGAHW_PRESENT(AMI_FLOPPY))
-                return -ENODEV;
-
         if (register_blkdev(FLOPPY_MAJOR,"fd"))
                 return -EBUSY;
 
-        /*
-         *  We request DSKPTR, DSKLEN and DSKDATA only, because the other
-         *  floppy registers are too spreaded over the custom register space
-         */
-        ret = -EBUSY;
-        if (!request_mem_region(CUSTOM_PHYSADDR+0x20, 8, "amiflop [Paula]")) {
-                printk("fd: cannot get floppy registers\n");
-                goto out_blkdev;
-        }
-
         ret = -ENOMEM;
         if ((raw_buf = (char *)amiga_chip_alloc (RAW_BUF_SIZE, "Floppy")) ==
             NULL) {
                 printk("fd: cannot get chip mem buffer\n");
-                goto out_memregion;
+                goto out_blkdev;
         }
 
         ret = -EBUSY;
@@ -1792,18 +1777,13 @@ out_irq2:
         free_irq(IRQ_AMIGA_DSKBLK, NULL);
 out_irq:
         amiga_chip_free(raw_buf);
-out_memregion:
-        release_mem_region(CUSTOM_PHYSADDR+0x20, 8);
 out_blkdev:
         unregister_blkdev(FLOPPY_MAJOR,"fd");
         return ret;
 }
 
-module_init(amiga_floppy_init);
-#ifdef MODULE
-
 #if 0 /* not safe to unload */
-void cleanup_module(void)
+static int __exit amiga_floppy_remove(struct platform_device *pdev)
 {
         int i;
 
@@ -1820,12 +1800,25 @@ void cleanup_module(void)
         custom.dmacon = DMAF_DISK; /* disable DMA */
         amiga_chip_free(raw_buf);
         blk_cleanup_queue(floppy_queue);
-        release_mem_region(CUSTOM_PHYSADDR+0x20, 8);
         unregister_blkdev(FLOPPY_MAJOR, "fd");
 }
 #endif
 
-#else
+static struct platform_driver amiga_floppy_driver = {
+        .driver   = {
+                .name   = "amiga-floppy",
+                .owner  = THIS_MODULE,
+        },
+};
+
+static int __init amiga_floppy_init(void)
+{
+        return platform_driver_probe(&amiga_floppy_driver, amiga_floppy_probe);
+}
+
+module_init(amiga_floppy_init);
+
+#ifndef MODULE
 static int __init amiga_floppy_setup (char *str)
 {
         int n;
@@ -1840,3 +1833,5 @@ static int __init amiga_floppy_setup (char *str)
 
 __setup("floppy=", amiga_floppy_setup);
 #endif
+
+MODULE_ALIAS("platform:amiga-floppy");
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index eb5ff0531cfb..51ceaee98f9f 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1588,7 +1588,6 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
 
                         c->Request = ioc->Request;
                         if (ioc->buf_size > 0) {
-                                int i;
                                 for (i = 0; i < sg_used; i++) {
                                         temp64.val =
                                             pci_map_single(host->pdev, buff[i],
@@ -2434,7 +2433,7 @@ static int deregister_disk(ctlr_info_t *h, int drv_index,
 
         /* if it was the last disk, find the new hightest lun */
         if (clear_all && recalculate_highest_lun) {
-                int i, newhighest = -1;
+                int newhighest = -1;
                 for (i = 0; i <= h->highest_lun; i++) {
                         /* if the disk has size > 0, it is available */
                         if (h->drv[i] && h->drv[i]->heads)
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 15c96207e626..727ff6339754 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -240,7 +240,7 @@ void drbd_endio_pri(struct bio *bio, int error)
         if (unlikely(error)) {
                 what = (bio_data_dir(bio) == WRITE)
                         ? write_completed_with_error
-                        : (bio_rw(bio) == READA)
+                        : (bio_rw(bio) == READ)
                           ? read_completed_with_error
                           : read_ahead_completed_with_error;
         } else
diff --git a/drivers/block/hd.c b/drivers/block/hd.c
index 034e6dfc878c..81c78b3ce2df 100644
--- a/drivers/block/hd.c
+++ b/drivers/block/hd.c
@@ -164,12 +164,12 @@ unsigned long read_timer(void)
         unsigned long t, flags;
         int i;
 
-        spin_lock_irqsave(&i8253_lock, flags);
+        raw_spin_lock_irqsave(&i8253_lock, flags);
         t = jiffies * 11932;
         outb_p(0, 0x43);
         i = inb_p(0x40);
         i |= inb(0x40) << 8;
-        spin_unlock_irqrestore(&i8253_lock, flags);
+        raw_spin_unlock_irqrestore(&i8253_lock, flags);
         return(t - i);
 }
 #endif
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 8546d123b9a7..a90e83c9be96 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -835,6 +835,8 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
 
         set_capacity(lo->lo_disk, size);
         bd_set_size(bdev, size << 9);
+        /* let user-space know about the new size */
+        kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
 
         set_blocksize(bdev, lo_blocksize);
 
@@ -858,6 +860,7 @@ out_clr:
         set_capacity(lo->lo_disk, 0);
         invalidate_bdev(bdev);
         bd_set_size(bdev, 0);
+        kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
         mapping_set_gfp_mask(mapping, lo->old_gfp_mask);
         lo->lo_state = Lo_unbound;
  out_putf:
@@ -944,8 +947,11 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
         if (bdev)
                 invalidate_bdev(bdev);
         set_capacity(lo->lo_disk, 0);
-        if (bdev)
+        if (bdev) {
                 bd_set_size(bdev, 0);
+                /* let user-space know about this change */
+                kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
+        }
         mapping_set_gfp_mask(filp->f_mapping, gfp);
         lo->lo_state = Lo_unbound;
         /* This is safe: open() is still holding a reference. */
@@ -1189,6 +1195,8 @@ static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev)
         sz <<= 9;
         mutex_lock(&bdev->bd_mutex);
         bd_set_size(bdev, sz);
+        /* let user-space know about the new size */
+        kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
         mutex_unlock(&bdev->bd_mutex);
 
  out:
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index ddf19425245d..8a549db2aa78 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -48,6 +48,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/compat.h>
 #include <linux/kthread.h>
 #include <linux/errno.h>
 #include <linux/spinlock.h>
@@ -2984,7 +2985,7 @@ static void pkt_get_status(struct pkt_ctrl_command *ctrl_cmd)
         mutex_unlock(&ctl_mutex);
 }
 
-static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long pkt_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
         void __user *argp = (void __user *)arg;
         struct pkt_ctrl_command ctrl_cmd;
@@ -3021,10 +3022,20 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm
         return ret;
 }
 
+#ifdef CONFIG_COMPAT
+static long pkt_ctl_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+        return pkt_ctl_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
 
 static const struct file_operations pkt_ctl_fops = {
-        .ioctl   = pkt_ctl_ioctl,
-        .owner   = THIS_MODULE,
+        .open           = nonseekable_open,
+        .unlocked_ioctl = pkt_ctl_ioctl,
+#ifdef CONFIG_COMPAT
+        .compat_ioctl   = pkt_ctl_compat_ioctl,
+#endif
+        .owner          = THIS_MODULE,
 };
 
 static struct miscdevice pkt_misc = {