libata: implement BROKEN_HPA horkage and apply it to affected drives
Some drives choke on READ_NATIVE_MAX_ADDRESS[_EXT]. Implement
ATA_HORKAGE_BROKEN_HPA and apply it to affected drives.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9cf46bf..a3ee087 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1911,8 +1911,9 @@
dev->flags |= ATA_DFLAG_FLUSH_EXT;
}
- if (ata_id_hpa_enabled(dev->id))
- dev->n_sectors = ata_hpa_resize(dev);
+ if (!(dev->horkage & ATA_HORKAGE_BROKEN_HPA) &&
+ ata_id_hpa_enabled(dev->id))
+ dev->n_sectors = ata_hpa_resize(dev);
/* config NCQ */
ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
@@ -3795,7 +3796,11 @@
{ "ST9160821AS", "3.CLF", ATA_HORKAGE_NONCQ, },
{ "SAMSUNG HD401LJ", "ZZ100-15", ATA_HORKAGE_NONCQ, },
- /* Devices with NCQ limits */
+ /* devices which puke on READ_NATIVE_MAX */
+ { "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, },
+ { "WDC WD3200JD-00KLB0", "WD-WCAMR1130137", ATA_HORKAGE_BROKEN_HPA },
+ { "WDC WD2500JD-00HBB0", "WD-WMAL71490727", ATA_HORKAGE_BROKEN_HPA },
+ { "MAXTOR 6L080L4", "A93.0500", ATA_HORKAGE_BROKEN_HPA },
/* End Marker */
{ }
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 41978a5..a67bb90 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -303,6 +303,7 @@
ATA_HORKAGE_NODMA = (1 << 1), /* DMA problems */
ATA_HORKAGE_NONCQ = (1 << 2), /* Don't use NCQ */
ATA_HORKAGE_MAX_SEC_128 = (1 << 3), /* Limit max sects to 128 */
+ ATA_HORKAGE_BROKEN_HPA = (1 << 4), /* Broken HPA */
};
enum hsm_task_states {