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authorDaniel J Blueman <daniel@quora.org>2012-07-23 12:22:37 +0800
committerJeff Garzik <jgarzik@redhat.com>2012-07-25 14:34:42 -0400
commitc531077f40abc9f2129c4c83a30b3f8d6ce1c0e7 (patch)
tree5cd1425d4f2303d1fb2271a9bbeafcdf59f2861e /drivers/ata/libata-core.c
parent91e4d5a1d7d11ca0b08803a11cb8dc866d2d611f (diff)
downloadlinux-linaro-stable-c531077f40abc9f2129c4c83a30b3f8d6ce1c0e7.tar.gz
[libata] Prevent interface errors with Seagate FreeAgent GoFlex
When using my Seagate FreeAgent GoFlex eSATAp external disk enclosure, interface errors are always seen until 1.5Gbps is negotiated [1]. This occurs using any disk in the enclosure, and when the disk is connected directly with a generic passive eSATAp cable, we see stable 3Gbps operation as expected. Blacklist 3Gbps mode to avoid dataloss and the ~30s delay bus reset and renegotiation incurs. Signed-off-by: Daniel J Blueman <daniel@quora.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c14f88c1f1da..95a656f33a23 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4129,6 +4129,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* Devices which aren't very happy with higher link speeds */
{ "WD My Book", NULL, ATA_HORKAGE_1_5_GBPS, },
+ { "Seagate FreeAgent GoFlex", NULL, ATA_HORKAGE_1_5_GBPS, },
/*
* Devices which choke on SETXFER. Applies only if both the