akpm@xxxxxxxxxxxxxxxxxxxx wrote:
From: Kuan Luo <kluo@xxxxxxxxxx>
Add the Software NCQ support to sata_nv.c for MCP51/MCP55/MCP61 SATA
controller. NCQ function is disable by default, you can enable it with
'swncq=1'. NCQ will be turned off if the drive is Maxtor on MCP51 or MCP55
rev 0xa2 platform.
[akpm@xxxxxxxxxxxxxxxxxxxx: build fix]
Signed-off-by: Kuan Luo <kluo@xxxxxxxxxx>
Signed-off-by: Peer Chen <pchen@xxxxxxxxxx>
Cc: Zoltan Boszormenyi <zboszor@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/ata/sata_nv.c | 860 +++++++++++++++++++++++++++++++++++++++-
1 files changed, 851 insertions(+), 9 deletions(-)
I finally gave this a thorough review.
Overall, good work. The state transitions all seem solid. I made
several minor changes and cleanups, and checked it into the 'nv-swncq'
branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
Two hurdles before I'm ready to push upstream:
* someone please verify my minor changes did not break anything; I don't
have real hardware
* the pp->lock appears unnecessary at best, wrong at worst. needs
additional analysis.
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