diff options
author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-16 16:29:58 -0400 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-16 16:29:58 -0400 |
commit | c223701cf6c706f42840631c1ca919a18e6e2800 (patch) | |
tree | 0ae93a4a36e874d5e1378e5e2d032a81e71350f7 /Documentation/ide.txt | |
parent | 9ff6f72f432364991d68e99cae72cb141c166e70 (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.txt | 4 |
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 | |||
291 | The following are valid ONLY on ide0, which usually corresponds | 291 | The following are valid ONLY on ide0, which usually corresponds |
292 | to the first ATA interface found on the particular host, and the defaults for | 292 | to the first ATA interface found on the particular host, and the defaults for |
293 | the base,ctl ports must not be altered. | 293 | the base,ctl ports must not be altered. |