ide: add "nodma|noflush|noprobe|nowerr=" parameters

[linux-2.6-microblaze.git] / Documentation / ide / ide.txt

diff --git a/Documentation/ide/ide.txt b/Documentation/ide/ide.txt
index 601e79e..5bff93c 100644 (file)
--- 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