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| author | Jeff Garzik <jeff@garzik.org> | 2012-08-17 19:36:59 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-08-17 19:36:59 +0200 |
| commit | 04d0f1b84927169cdaa4e3a24da768a9fd9aca6f (patch) | |
| tree | e13bb1541b1e13398be005bf405067951dc8a204 /drivers/ata | |
| parent | [libata] Kconfig: Elaborate that SFF is meant for legacy and PATA stuff (diff) | |
| download | linux-04d0f1b84927169cdaa4e3a24da768a9fd9aca6f.tar.xz linux-04d0f1b84927169cdaa4e3a24da768a9fd9aca6f.zip | |
[libata] new quirk, lift bridge limits for Buffalo DriveStation Quattro
Michael Eitelwein writes:
I have an external SATA drive that was slowed down by bridge limits. I
found a solution in a thread on this list posted in 2008: It introduces
whitelist entries in libata-core.c for devices with well working bridges
(e.g. email on Fri, 31 Oct 2008 01:45:27 -0400).
I added my device to this whitelist in a custom built kernel and it
works fine for weeks now. How can I have this device added on the
whitelist within the official kernel? Is this whitelist mechanism still
supported or is there a smarter way to achieve whitelisting?
I added the following whitelist entry for my Buffalo DriveStation
Quattro "BUFFALO HD-QSU2/R5":
/* Devices that do not need bridging limits applied */
{ "MTRON MSP-SATA*", NULL, ATA_HORKAGE_BRIDGE_OK, },
{ "BUFFALO HD-QSU2/R5", NULL, ATA_HORKAGE_BRIDGE_OK, },
Reported-by: Michael Eitelwein <michael@eitelwein.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index fadd5866d40f..5eee1c1537d2 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4128,6 +4128,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* Devices that do not need bridging limits applied */ { "MTRON MSP-SATA*", NULL, ATA_HORKAGE_BRIDGE_OK, }, + { "BUFFALO HD-QSU2/R5", NULL, ATA_HORKAGE_BRIDGE_OK, }, /* Devices which aren't very happy with higher link speeds */ { "WD My Book", NULL, ATA_HORKAGE_1_5_GBPS, }, |