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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-10-16 16:29:58 -0400
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-10-16 16:29:58 -0400
commitc223701cf6c706f42840631c1ca919a18e6e2800 (patch)
tree0ae93a4a36e874d5e1378e5e2d032a81e71350f7 /Documentation/ide.txt
parent9ff6f72f432364991d68e99cae72cb141c166e70 (diff)
ide: add "hdx=nodma" kernel parameter
* Add "hdx=nodma" option allowing user to disallow DMA for a given device. * Obsolete "ide=nodma" option. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'Documentation/ide.txt')
-rw-r--r--Documentation/ide.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/ide.txt b/Documentation/ide.txt
index c1640e306c53..1d50f23a5cab 100644
--- a/Documentation/ide.txt
+++ b/Documentation/ide.txt
@@ -242,6 +242,8 @@ Summary of ide driver parameters for kernel command line
242 and quite likely to cause trouble with 242 and quite likely to cause trouble with
243 older/odd IDE drives. 243 older/odd IDE drives.
244 244
245 "hdx=nodma" : disallow DMA
246
245 "hdx=swapdata" : when the drive is a disk, byte swap all data 247 "hdx=swapdata" : when the drive is a disk, byte swap all data
246 248
247 "hdx=bswap" : same as above.......... 249 "hdx=bswap" : same as above..........
@@ -286,8 +288,6 @@ Summary of ide driver parameters for kernel command line
286 288
287 "ide=reverse" : formerly called to pci sub-system, but now local. 289 "ide=reverse" : formerly called to pci sub-system, but now local.
288 290
289 "ide=nodma" : disable DMA globally for the IDE subsystem.
290
291The following are valid ONLY on ide0, which usually corresponds 291The following are valid ONLY on ide0, which usually corresponds
292to the first ATA interface found on the particular host, and the defaults for 292to the first ATA interface found on the particular host, and the defaults for
293the base,ctl ports must not be altered. 293the base,ctl ports must not be altered.