From 16c55b038033d8f6f7601996dfae44399666d9ab Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Wed, 29 Aug 2007 11:58:33 +0900
Subject: 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>
---
drivers/ata/libata-core.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
(limited to 'drivers/ata')
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9cf46bf8c8d2..a3ee087223de 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1911,8 +1911,9 @@ int ata_dev_configure(struct ata_device *dev)
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 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "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 */
{ }
--
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