Set the IDE DMA start bit as a separate I/O write from the DMA port
commita5cada50c2a0ce5df9ec32f2f00572e52e4a3128
authorMatthew Dillon <dillon@dragonflybsd.org>
Sun, 3 Jun 2007 11:49:54 +0000 (3 11:49 +0000)
committerMatthew Dillon <dillon@dragonflybsd.org>
Sun, 3 Jun 2007 11:49:54 +0000 (3 11:49 +0000)
tree441852604400f7b608e062a26bb59d1b77c05782
parent94b69ec026430fdded756f3755d44e7e6b9651c8
Set the IDE DMA start bit as a separate I/O write from the DMA port
direction setting.  It's just a whole lot safer not to mix the two in
a single write.
sys/dev/disk/nata/ata-pci.c