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Commit 36a70030 authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Paul Mackerras
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[POWERPC] Fix viodasd geometry calculations 



Commit a885c8c4 that introduced the
getgeo block device method changed the fallback number of sectors and
introduced a bug into the fallback cylinder number calculation.

Thanks to Rusty Russell for noticing this.

Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent b8ce2272

drivers/block/viodasd.c

+2 −2
Original line number Diff line number Diff line
@@ -252,10 +252,10 @@ static int viodasd_getgeo(struct block_device *bdev, struct hd_geometry *geo) 
	struct gendisk *disk = bdev->bd_disk;

	struct viodasd_device *d = disk->private_data;



	geo->sectors = d->sectors ? d->sectors : 0;

	geo->sectors = d->sectors ? d->sectors : 32;

	geo->heads = d->tracks ? d->tracks  : 64;

	geo->cylinders = d->cylinders ? d->cylinders :

		get_capacity(disk) / (geo->cylinders * geo->heads);

		get_capacity(disk) / (geo->sectors * geo->heads);



	return 0;

}