> GTM results do change whether you call STM or not. GTM in many cases is > implemented as reading the current configuration value from the > controller so if you configure PIO0, it will return PIO0 timings. And, > yeah, on ASUS A8N-E, if you configure PIO0, GTM answer says DMA is off. Oh fun - ok then we do need to cache it. > What the function answers is not actually cable type but "according to > the current configuration, using this cable type won't violate BIOS > configuration" kind of answer. How the caller is to use that is the > caller's responsibility. How does the caller make use of it ? The only way I can think of to use it is that if either drive says UDMA > 33 then we know its 80 wire. Otherwise we can't really prove anything. And if neither drive says > 80 wire we have to go on what other info we have, which for NVidia appears to be "guess 40". I'm not sure therefore we gain anything ? - 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
