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path: root/drivers/block/xd.c
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Diffstat (limited to 'drivers/block/xd.c')
-rw-r--r--drivers/block/xd.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 68b6d7b154cf..cbce7c5e9445 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -128,9 +128,12 @@ static DEFINE_SPINLOCK(xd_lock);
static struct gendisk *xd_gendisk[2];
+static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
+
static struct block_device_operations xd_fops = {
.owner = THIS_MODULE,
.ioctl = xd_ioctl,
+ .getgeo = xd_getgeo,
};
static DECLARE_WAIT_QUEUE_HEAD(xd_wait_int);
static u_char xd_drives, xd_irq = 5, xd_dma = 3, xd_maxsectors;
@@ -276,11 +279,11 @@ static u_char __init xd_detect (u_char *controller, unsigned int *address)
return(1);
}
- for (i = 0; i < (sizeof(xd_bases) / sizeof(xd_bases[0])); i++) {
+ for (i = 0; i < ARRAY_SIZE(xd_bases); i++) {
void __iomem *p = ioremap(xd_bases[i], 0x2000);
if (!p)
continue;
- for (j = 1; j < (sizeof(xd_sigs) / sizeof(xd_sigs[0])); j++) {
+ for (j = 1; j < ARRAY_SIZE(xd_sigs); j++) {
const char *s = xd_sigs[j].string;
if (check_signature(p + xd_sigs[j].offset, s, strlen(s))) {
*controller = j;
@@ -330,22 +333,20 @@ static void do_xd_request (request_queue_t * q)
}
}
+static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+{
+ XD_INFO *p = bdev->bd_disk->private_data;
+
+ geo->heads = p->heads;
+ geo->sectors = p->sectors;
+ geo->cylinders = p->cylinders;
+ return 0;
+}
+
/* xd_ioctl: handle device ioctl's */
static int xd_ioctl (struct inode *inode,struct file *file,u_int cmd,u_long arg)
{
- XD_INFO *p = inode->i_bdev->bd_disk->private_data;
-
switch (cmd) {
- case HDIO_GETGEO:
- {
- struct hd_geometry g;
- struct hd_geometry __user *geom= (void __user *)arg;
- g.heads = p->heads;
- g.sectors = p->sectors;
- g.cylinders = p->cylinders;
- g.start = get_start_sect(inode->i_bdev);
- return copy_to_user(geom, &g, sizeof(g)) ? -EFAULT : 0;
- }
case HDIO_SET_DMA:
if (!capable(CAP_SYS_ADMIN)) return -EACCES;
if (xdc_busy) return -EBUSY;
@@ -1017,7 +1018,7 @@ static void __init do_xd_setup (int *integers)
case 2: if ((integers[2] > 0) && (integers[2] < 16))
xd_irq = integers[2];
case 1: xd_override = 1;
- if ((integers[1] >= 0) && (integers[1] < (sizeof(xd_sigs) / sizeof(xd_sigs[0]))))
+ if ((integers[1] >= 0) && (integers[1] < ARRAY_SIZE(xd_sigs)))
xd_type = integers[1];
case 0: break;
default:printk("xd: too many parameters for xd\n");