Subject: [PATCH 0/3] AHCI updates: Marvell AHCI PATA works; pata_marvell fate?
Newsgroups: gmane.linux.ide, gmane.linux.kernel
Date: 2009-04-17 02:39:49 GMT (3 years, 4 weeks, 6 days, 12 hours and 19 minutes ago)
This is an update of the recent libahci patchset, currently available
on the 'libahci' branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
These patches move a large amount of code from the currently
self-contained ahci driver to a new kernel module, libahci,
in preparation for supporting some "98% AHCI clones" from Marvell and
ACard.
This also has the nice side effect of isolating the generic AHCI
controller code from the grungy vendor-specific details, and opens the
way for supporting AHCI on non-PCI buses (at least one such example
exists, amba).
Changes since last posting: Marvell PATA started working
Marvell 6145 has successfully been stress-tested with the following
modern, high performance 2GB hard drive:
ATA device, with non-removable media
Model Number: WDC AC22100H
Firmware Revision: 10.07H12
Standards:
Likely used: 2
Marvell PATA on 6121 and similar chips should also work, but that hasn't
yet been tested. Here's the full list of what still needs testing:
- master + slave devices
- ATAPI
- 6121 (6123? others?)
Also, there is the open question of how to deal with pata_marvell
co-existence (hello, Alan :)), now that we have two noticeable driver
changes in this area:
- Marvell AHCI-alikes moved from 'ahci' to 'mv-ahci'
- We can now fully support SATA+PATA configurations
in 'mv-ahci'
The mv-ahci code is obviously still a bit raw with "#if 0" in places,
but it is nonetheless ready for testing.
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