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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-27 15:38:30 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-27 15:38:30 +0200 |
| commit | 6e87543a94fb2a966c81a61fc91246592f9719da (patch) | |
| tree | a402e8e5fae4b1e9d9a8535d89d8c1255c574eaa /Documentation/ide | |
| parent | 207daeaabb5396995ebac63415fab71476b64ca3 (diff) | |
| download | linux-6e87543a94fb2a966c81a61fc91246592f9719da.tar.gz linux-6e87543a94fb2a966c81a61fc91246592f9719da.tar.bz2 linux-6e87543a94fb2a966c81a61fc91246592f9719da.zip | |
ide: add "nodma|noflush|noprobe|nowerr=" parameters
* Add "nodma|noflush|noprobe|nowerr=" parameters.
* Obsolete "hdx=noprobe|none|nowerr|nodma|noflush" kernel parameters.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'Documentation/ide')
| -rw-r--r-- | Documentation/ide/ide.txt | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/Documentation/ide/ide.txt b/Documentation/ide/ide.txt index 601e79ecef03..5bff93c89a23 100644 --- a/Documentation/ide/ide.txt +++ b/Documentation/ide/ide.txt @@ -99,10 +99,10 @@ with hd.c but not with ide.c), then an command line option may be specified for each drive for which you'd like the drive to skip the hardware probe/identification sequence. For example: - hdb=noprobe + ide_core.noprobe=0.1 or hdc=768,16,32 - hdc=noprobe + ide_core.noprobe=1.0 Note that when only one IDE device is attached to an interface, it should be jumpered as "single" or "master", *not* "slave". Many folks have had @@ -174,9 +174,7 @@ to /etc/modprobe.conf. When ide.c is used as a module, you can pass command line parameters to the driver using the "options=" keyword to insmod, while replacing any ',' with -';'. For example: - - insmod ide.o options="hda=nodma hdb=nodma" +';'. ================================================================================ @@ -186,18 +184,10 @@ Summary of ide driver parameters for kernel command line "hdx=" is recognized for all "x" from "a" to "u", such as "hdc". - "hdx=noprobe" : drive may be present, but do not probe for it - - "hdx=none" : drive is NOT present, ignore cmos and do not probe - - "hdx=nowerr" : ignore the WRERR_STAT bit on this drive - "hdx=cdrom" : drive is present, and is a cdrom drive "hdx=cyl,head,sect" : disk drive is present, with specified geometry - "hdx=nodma" : disallow DMA - "ide=doubler" : probe/support IDE doublers on Amiga There may be more options than shown -- use the source, Luke! @@ -230,6 +220,16 @@ a case please report it as a bug instead) use "ignore_cable" kernel parameter: * "ignore_cable=[interface_number]" module parameter (for ide_core module) if IDE is compiled as module +Other kernel parameters for ide_core are: + +* "nodma=[interface_number.device_number]" to disallow DMA for a device + +* "noflush=[interface_number.device_number]" to disable flush requests + +* "noprobe=[interface_number.device_number]" to skip probing + +* "nowerr=[interface_number.device_number]" to ignore the WRERR_STAT bit + ================================================================================ Some Terminology |