Hi, On 2/5/07, Tejun Heo <htejun@xxxxxxxxx> wrote:
Alan wrote: >> The *real* solution is to use the BIOS ACPI _GTM _STM methods for this. >> Then you can remove all chipset specific knowledge from the IDE driver. >> This is what the MS driver does on Windows, so you know it's received a >> lot of testing from NVIDIA and board vendors.
Allen, thanks for quick reply. Your mail explained the issue pretty well and saved us a lot of time.
> Well we can certainly do some of that if ACPI is present and active. In > particular since _GTM will give us current modes allowing for hotplug and > post BIOS boot kexec etc it ought to be safe to do Tejun's hack that way. > We could even probe UDMA3+ capable devices by doing _STM to a high mode > and _GTM to determine the cable type 8)
agreed
Glad to see the problem getting solved. Now that we know the solution, any volunteers? :-)
Well, since you posted the initial patches and have the affected hardware... 8) Thanks, Bart - 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
