2014-04-06 22:33 GMT+02:00 Michael Schmitz <schmitzmic@xxxxxxxxx>: > > Hello Dave, Tuomas, > > >> Also, looking at the timeout formulae in the old NCR53C9x.c driver, > >> the values would be different for FAS216. Why was this dropped from > >> the modern esp_scsi? > > > > I've never seen a formula for any ESP or FAS chip for the timeout > > other than the one mentioned in huge comment in > > esp_set_clock_params(), although I do see the 7668 instead of 8192 > > factor being used in the old NCR53C9x driver. > > I haven't gone far enough back in the 53C9x revision history to be > certain. but it would seem to me that Kars de Jong added that FAS > special case. > > Can you confirm that, Kars? Any recollection as to the reason? That is the value that's in the data manual of the Symbios Logic SYM53CF94/96-2 (the actual chip that's in my Amiga SCSI controller). Funny, according to the QLogic FAS2x6 manual the value should be 7682 for FAS216/216U/236/236U chips... I don't think it's all that important. It only means that the actual selection timeout used by the chip will be slightly shorter than it is supposed to be. Kind regards, Kars. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
