On Tue, May 25, 2010 at 01:43:26AM -0400, Len Brown wrote: > I'm told by the hardware guys that BM_STS is _not_ always > a NOP, and so we're not supposed to simply ignore it on C3 -- > though it should be extremely rare that we see it set. > If it is ever set, it should go on and off depending on > activity on some latency sensitive device, like out on the LPC. > It may be possible for the BIOS writer to configure the chipset > so that BM_STS is enabled always, presumably to accomodate > some latency sensitve device -- or maybe by mistake. On some hardware we've seen BM_STS be enabled approximately 50% of the time without any obvious cause. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
