diff options
Diffstat (limited to 'drivers/block/xd.c')
-rw-r--r-- | drivers/block/xd.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/block/xd.c b/drivers/block/xd.c index 68b6d7b154c..cbce7c5e944 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"); |