Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / block / umem.c

diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 0c4c121..f7d4c65 100644 (file)
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -34,6 +34,7 @@
  *                      - set initialised bit then.
  */
 
+//#define DEBUG /* uncomment if you want debugging info (pr_debug) */
 #include <linux/config.h>
 #include <linux/sched.h>
 #include <linux/fs.h>
@@ -49,6 +50,7 @@
 #include <linux/timer.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
+#include <linux/dma-mapping.h>
 
 #include <linux/fcntl.h>        /* O_ACCMODE */
 #include <linux/hdreg.h>  /* HDIO_GETGEO */
@@ -58,10 +60,6 @@
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
-#define PRINTK(x...) do {} while (0)
-#define dprintk(x...) do {} while (0)
-/*#define dprintk(x...) printk(x) */
-
 #define MM_MAXCARDS 4
 #define MM_RAHEAD 2      /* two sectors */
 #define MM_BLKSIZE 1024  /* 1k blocks */
@@ -299,7 +297,7 @@ static void mm_start_io(struct cardinfo *card)
 
        /* make the last descriptor end the chain */
        page = &card->mm_pages[card->Active];
-       PRINTK("start_io: %d %d->%d\n", card->Active, page->headcnt, page->cnt-1);
+       pr_debug("start_io: %d %d->%d\n", card->Active, page->headcnt, page->cnt-1);
        desc = &page->desc[page->cnt-1];
 
        desc->control_bits |= cpu_to_le32(DMASCR_CHAIN_COMP_EN);
@@ -532,7 +530,7 @@ static void process_page(unsigned long data)
                activate(card);
        } else {
                /* haven't finished with this one yet */
-               PRINTK("do some more\n");
+               pr_debug("do some more\n");
                mm_start_io(card);
        }
  out_unlock:
@@ -555,7 +553,7 @@ static void process_page(unsigned long data)
 static int mm_make_request(request_queue_t *q, struct bio *bio)
 {
        struct cardinfo *card = q->queuedata;
-       PRINTK("mm_make_request %ld %d\n", bh->b_rsector, bh->b_size);
+       pr_debug("mm_make_request %ld %d\n", bh->b_rsector, bh->b_size);
 
        bio->bi_phys_segments = bio->bi_idx; /* count of completed segments*/
        spin_lock_irq(&card->lock);
@@ -812,34 +810,23 @@ static int mm_revalidate(struct gendisk *disk)
        set_capacity(disk, card->mm_size << 1);
        return 0;
 }
-/*
------------------------------------------------------------------------------------
---                            mm_ioctl
------------------------------------------------------------------------------------
-*/
-static int mm_ioctl(struct inode *i, struct file *f, unsigned int cmd, unsigned long arg)
+
+static int mm_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 {
-       if (cmd == HDIO_GETGEO) {
-               struct cardinfo *card = i->i_bdev->bd_disk->private_data;
-               int size = card->mm_size * (1024 / MM_HARDSECT);
-               struct hd_geometry geo;
-               /*
-                * get geometry: we have to fake one...  trim the size to a
-                * multiple of 2048 (1M): tell we have 32 sectors, 64 heads,
-                * whatever cylinders.
-                */
-               geo.heads     = 64;
-               geo.sectors   = 32;
-               geo.start     = get_start_sect(i->i_bdev);
-               geo.cylinders = size / (geo.heads * geo.sectors);
-
-               if (copy_to_user((void __user *) arg, &geo, sizeof(geo)))
-                       return -EFAULT;
-               return 0;
-       }
+       struct cardinfo *card = bdev->bd_disk->private_data;
+       int size = card->mm_size * (1024 / MM_HARDSECT);
 
-       return -EINVAL;
+       /*
+        * get geometry: we have to fake one...  trim the size to a
+        * multiple of 2048 (1M): tell we have 32 sectors, 64 heads,
+        * whatever cylinders.
+        */
+       geo->heads     = 64;
+       geo->sectors   = 32;
+       geo->cylinders = size / (geo->heads * geo->sectors);
+       return 0;
 }
+
 /*
 -----------------------------------------------------------------------------------
 --                                mm_check_change
@@ -858,7 +845,7 @@ static int mm_check_change(struct gendisk *disk)
 */
 static struct block_device_operations mm_fops = {
        .owner          = THIS_MODULE,
-       .ioctl          = mm_ioctl,
+       .getgeo         = mm_getgeo,
        .revalidate_disk= mm_revalidate,
        .media_changed  = mm_check_change,
 };
@@ -895,8 +882,8 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
        printk(KERN_INFO "Micro Memory(tm) controller #%d found at %02x:%02x (PCI Mem Module (Battery Backup))\n",
               card->card_number, dev->bus->number, dev->devfn);
 
-       if (pci_set_dma_mask(dev, 0xffffffffffffffffLL) &&
-           !pci_set_dma_mask(dev, 0xffffffffLL)) {
+       if (pci_set_dma_mask(dev, DMA_64BIT_MASK) &&
+           pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
                printk(KERN_WARNING "MM%d: NO suitable DMA found\n",num_cards);
                return  -ENOMEM;
        }
@@ -1145,7 +1132,7 @@ static void mm_pci_remove(struct pci_dev *dev)
                pci_free_consistent(card->dev, PAGE_SIZE*2,
                                    card->mm_pages[1].desc,
                                    card->mm_pages[1].page_dma);
-       blk_put_queue(card->queue);
+       blk_cleanup_queue(card->queue);
 }
 
 static const struct pci_device_id mm_pci_ids[] = { {
@@ -1188,7 +1175,7 @@ static int __init mm_init(void)
 
        printk(KERN_INFO DRIVER_VERSION " : " DRIVER_DESC "\n");
 
-       retval = pci_module_init(&mm_pci_driver);
+       retval = pci_register_driver(&mm_pci_driver);
        if (retval)
                return -ENOMEM;