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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-16 22:29:58 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-16 22:29:58 +0200 |
| commit | c223701cf6c706f42840631c1ca919a18e6e2800 (patch) | |
| tree | 0ae93a4a36e874d5e1378e5e2d032a81e71350f7 /Documentation | |
| parent | 9ff6f72f432364991d68e99cae72cb141c166e70 (diff) | |
| download | kernel_samsung_smdk4412-c223701cf6c706f42840631c1ca919a18e6e2800.tar.gz kernel_samsung_smdk4412-c223701cf6c706f42840631c1ca919a18e6e2800.tar.bz2 kernel_samsung_smdk4412-c223701cf6c706f42840631c1ca919a18e6e2800.zip | |
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')
| -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 c1640e306c5..1d50f23a5ca 100644 --- a/Documentation/ide.txt +++ b/Documentation/ide.txt @@ -242,6 +242,8 @@ Summary of ide driver parameters for kernel command line and quite likely to cause trouble with older/odd IDE drives. + "hdx=nodma" : disallow DMA + "hdx=swapdata" : when the drive is a disk, byte swap all data "hdx=bswap" : same as above.......... @@ -286,8 +288,6 @@ Summary of ide driver parameters for kernel command line "ide=reverse" : formerly called to pci sub-system, but now local. - "ide=nodma" : disable DMA globally for the IDE subsystem. - The following are valid ONLY on ide0, which usually corresponds to the first ATA interface found on the particular host, and the defaults for the base,ctl ports must not be altered. |