shyam_iyer@xxxxxxxx wrote: > Problem Sata disks are connected to onboard sata ports of PowerEdge > 1900 (ESB2 southbridge chipset). If one of the port is disabled in > the bios then they get enabled again by the ata_piix driver because > of a default port map being written to the Port control and status > register(0x91-93). Instead the driver should preserve the bios > setting by way of a fix like this. What happens if the port is enabled by the kernel? > Fix: The BIOS configured PCS value must be anded logically with the > default port map for the chipset. This way the BIOS information will > not be lost by the reinitialization of the config space by the > ata_piix driver. The below patch is against 2.6.21 kernel. I'm not sure whether this is a good idea and it has potential to break a lot of other configurations. That part of code is used for *all* ata_piix out there, so we need a really really good reason to change that. So, please explain what you're trying to fix better. -- tejun - 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
