ide-iops: only clear DMA words on setting DMA mode
commitc4199930b119eb9c1ffb102ed57eaac4d4424d08
authorSergei Shtylyov <sshtylyov@ru.mvista.com>
Tue, 31 Mar 2009 18:15:27 +0000 (31 20:15 +0200)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Tue, 31 Mar 2009 18:15:27 +0000 (31 20:15 +0200)
treed411514db277035116d7994b65c5c3b4e7c097f1
parent8d64fcd9357798ad0d61f8877de13d5e1b1ab510
ide-iops: only clear DMA words on setting DMA mode

The bytes indicating current DMA mode in the identify data words 62, 63, and 88
should only change on setting a DMA mode, so stop clearing them  on setting PIO
mode in ide_config_drive_speed().  While at it, correct SW/MW DMA mode masks...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
drivers/ide/ide-iops.c