diff options
author | Tejun Heo <tj@kernel.org> | 2009-09-15 15:18:03 -0400 |
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committer | Jeff Garzik <jgarzik@redhat.com> | 2009-10-06 00:26:29 -0400 |
commit | f80ae7e45a0e03da188494c6e947a5c8b0cdfb4a (patch) | |
tree | f5e6e64cdce07c6e202ba3d0f96a54845550a031 /kernel | |
parent | 110f66d25c33c2259b1125255fa7063ab07b8340 (diff) |
ahci: filter FPDMA non-zero offset enable for Aspire 3810T
Curiously, Aspire 3810T issues many SATA feature enable commands via
_GTF, of which one is invalid and another is not supported by the
drive. In the process, it also enables FPDMA non-zero offset.
However, the feature also needs to be supported and enabled from the
controller and it's wrong to enable it from _GTF unless the controller
can do it by default.
Currently, this ends up enabling FPDMA non-zero offset only on the
drive side leading to NCQ command failures and eventual disabling of
NCQ. This patch makes libata filter out FPDMA non-zero offset enable
for the machine.
This was reported by Marcus Meissner in bnc#522790.
https://bugzilla.novell.com/show_bug.cgi?id=522790
Reported-by: Marcus Meissner <meissner@novell.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions