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>
diff --git a/Documentation/ide/ide.txt b/Documentation/ide/ide.txt
index 601e79e..5bff93c 100644
--- a/Documentation/ide/ide.txt
+++ b/Documentation/ide/ide.txt
@@ -99,10 +99,10 @@
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 @@
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 @@
"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 @@
* "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