On Thu, 14 Aug 2014, Michael Schmitz wrote:
When cmd->device->borken, I assume sun3_NCR5380 inhibits PIO because PIO was itself expected to be problematic?The sun3 driver does set the borken flag but never uses it later - can't see where it will inhibit PIO.
It inhibited PIO when it forked the atari code and commented out the test for cmd->device->borken, to ensure that PIO would never be used here. Hence my suggestion that PIO itself was expected was problematic. OTOH, PIO is used up to 128 bytes, and beyond 128 bytes if !REQ_TYPE_FS... -- -- To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
