On Tue, Oct 28, 2008 at 2:57 PM, Jeff Garzik <jeff@xxxxxxxxxx> wrote: > Mark Nelson wrote: >> >> Add an appropriate entry for the Promise PDC42819 controller. It has an >> AHCI mode and so far works correctly with board_ahci. >> >> This chip is found on Promise's FastTrak TX2650 (2 port) and TX4650 (4 >> port) >> software-based RAID cards (for which there is a binary driver, t3sas) and >> can be found on some motherboards, for example the MSI K9A2 Platinum, >> which calls the chip a Promise T3 controller. >> >> Although this controller also supports SAS devices, its default bootup >> mode >> is AHCI and the binary driver has to do some magic to get the chip into >> the >> appropriate mode to drive SAS disks. >> >> Seeing as no documentation is provided by Promise, adding this entry to >> the >> ahci driver allows the controller to be useful to people as a SATA >> controller (with no ill effects on the system if a SAS disk is connected - >> probing of the port just times out with "link online but device >> misclassified"), without having to resort to using the binary driver. >> Users >> who require SAS or the proprietary software raid can get this >> functionality >> using the binary driver. >> >> Signed-off-by: Mark Nelson <mdnelson8@xxxxxxxxx> >> --- >> drivers/ata/ahci.c | 3 +++ >> 1 file changed, 3 insertions(+) > > applied Thanks Jeff! Feel free ignore the v2 I just sent out - it seems like the 0x3f19 cards never made it out into the wild (or if anyone think it's worth it, I could send an incremental patch that applies on top of this one)... Mark -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
