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author | Jeff Garzik <jeff@garzik.org> | 2007-05-25 03:40:15 (GMT) |
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committer | Jeff Garzik <jeff@garzik.org> | 2007-05-25 03:40:15 (GMT) |
commit | 4a05e2091709dbb22b86a1b3343cd3fa3c0d7a6b (patch) | |
tree | 47c90a313f67c1543f6ced2a968b292ae425283a | |
parent | bb312235933689fb0f973ae61d19d7416de1e085 (diff) | |
download | linux-fsl-qoriq-4a05e2091709dbb22b86a1b3343cd3fa3c0d7a6b.tar.xz |
[libata] sata_mv: add TODO list
Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r-- | drivers/ata/sata_mv.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 705a020..c957e6e 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -21,6 +21,50 @@ * */ +/* + sata_mv TODO list: + + 1) Needs a full errata audit for all chipsets. I implemented most + of the errata workarounds found in the Marvell vendor driver, but + I distinctly remember a couple workarounds (one related to PCI-X) + are still needed. + + 2) Convert to LibATA new EH. Required for hotplug, NCQ, and sane + probing/error handling in general. MUST HAVE. + + 3) Add hotplug support (easy, once new-EH support appears) + + 4) Add NCQ support (easy to intermediate, once new-EH support appears) + + 5) Investigate problems with PCI Message Signalled Interrupts (MSI). + + 6) Add port multiplier support (intermediate) + + 7) Test and verify 3.0 Gbps support + + 8) Develop a low-power-consumption strategy, and implement it. + + 9) [Experiment, low priority] See if ATAPI can be supported using + "unknown FIS" or "vendor-specific FIS" support, or something creative + like that. + + 10) [Experiment, low priority] Investigate interrupt coalescing. + Quite often, especially with PCI Message Signalled Interrupts (MSI), + the overhead reduced by interrupt mitigation is quite often not + worth the latency cost. + + 11) [Experiment, Marvell value added] Is it possible to use target + mode to cross-connect two Linux boxes with Marvell cards? If so, + creating LibATA target mode support would be very interesting. + + Target mode, for those without docs, is the ability to directly + connect two SATA controllers. + + 13) Verify that 7042 is fully supported. I only have a 6042. + +*/ + + #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> |