On Sun, Dec 03, Alan wrote: > On Sun, 3 Dec 2006 23:24:49 +0100 (MET) > Olaf Hering <olaf@xxxxxxxxx> wrote: > > > This change seems to fix it, only a single reset occurs. I think that > > one is normal when a CD is in the drive during bootup, maybe it leaves > > the drive in a confused state. > > > > @@ -167,9 +175,13 @@ static void sl82c105_reset_engine(struct > > struct pci_dev *pdev = to_pci_dev(ap->host->dev); > > u16 val; > > > > + udelay(42); > > pci_read_config_word(pdev, 0x7E, &val); > > + udelay(10); > > pci_write_config_word(pdev, 0x7E, val | 4); > > + udelay(10); > > pci_write_config_word(pdev, 0x7E, val & ~4); > > + udelay(42); > > } > > Where do you get the delays from ? There is nothing in the documentation > or errata sheets I have here on that subject. Is this guesswork, divine > inspiration or an errata note I don't posess ? Just guessing. The udelay(10) calls can go, then it still works. I moved the delays to the callers, which should have been equivalent, but it failed again. - 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
