> It's sad to say but there's another bug in this function (even a > regression from drivers/ide/pci/siimage.c) -- the 16-bit IORDY is not enabled > when setting PIO mode (there's code that twiddles IORDY enable but that's > actually only for *taskfile* accesses, 16-bit IORDY is controlled by the same > PCI config. registers 80h/84h that enable DMA/UDMA transfer on SiI 680). Fixed - also fixed clearing the bits when going into PIO mode from DMA, which fixes a potential DMA changedown bug. Also redone the iordy stuff as your emails reminded me that it needed finishing off and sorting out. Alan - 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