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ata: guessing disk sizes is only needed on X86 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2011-04-07 17:17:42 +02:00
parent 0f16a03b00
commit c1bcb052dd
1 changed files with 4 additions and 1 deletions
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5
drivers/ata/disk_drive.c
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@ -60,6 +60,7 @@ struct partition_entry {
* @param table partition table
* @return size in sectors
*/
#ifdef CONFIG_ATA_BIOS
static unsigned long disk_guess_size(struct device_d *dev, struct partition_entry *table)
{
int part_order[4] = {0, 1, 2, 3};
@ -83,6 +84,7 @@ static unsigned long disk_guess_size(struct device_d *dev, struct partition_entr
#endif
return size;
}
#endif
/**
* Register partitions found on the drive
@ -186,6 +188,7 @@ static int disk_probe(struct device_d *dev)
#endif
atablk->blk.cdev.name = asprintf("disk%d", dev->id);
#ifdef CONFIG_ATA_BIOS
/* On x86, BIOS based disks are coming without a valid .size field */
if (dev->size == 0) {
/* guess the size of this drive if not otherwise given */
@ -193,7 +196,7 @@ static int disk_probe(struct device_d *dev)
(struct partition_entry*)&sector[446]) * SECTOR_SIZE;
dev_info(dev, "Drive size guessed to %u kiB\n", dev->size / 1024);
}
#endif
atablk->blk.num_blocks = dev->size / SECTOR_SIZE;
atablk->blk.ops = &ataops;
atablk->blk.blockbits = 9;