Merge branch 'bugzilla-10237' into test

[linux-2.6-omap-h63xx.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 497a98dafdaa0157520fa9fdc61a7ed81cdb1e22..99cf83fd69478aab1e675688cab2463d8815edc8 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -217,20 +217,47 @@ and is between 256 and 4096 characters. It is defined in the file
        acpi.debug_level=       [HW,ACPI]
                        Format: <int>
                        Each bit of the <int> indicates an ACPI debug level,
-                       1: enable, 0: disable. It is useful for boot time
-                       debugging. After system has booted up, it can be set
-                       via /sys/module/acpi/parameters/debug_level.
-                       CONFIG_ACPI_DEBUG must be enabled for this to produce any output.
-                       Available bits (add the numbers together) to enable different
-                       debug output levels of the ACPI subsystem:
-                       0x01 error 0x02 warn 0x04 init 0x08 debug object
-                       0x10 info 0x20 init names 0x40 parse 0x80 load
-                       0x100 dispatch 0x200 execute 0x400 names 0x800 operation region
-                       0x1000 bfield 0x2000 tables 0x4000 values 0x8000 objects
-                       0x10000 resources 0x20000 user requests 0x40000 package.
-                       The number can be in decimal or prefixed with 0x in hex.
-                       Warning: Many of these options can produce a lot of
-                       output and make your system unusable. Be very careful.
+                       which corresponds to the level in an ACPI_DEBUG_PRINT
+                       statement.  After system has booted up, this mask
+                       can be set via /sys/module/acpi/parameters/debug_level.
+
+                       CONFIG_ACPI_DEBUG must be enabled for this to produce
+                       any output.  The number can be in decimal or prefixed
+                       with 0x in hex.  Some of these options produce so much
+                       output that the system is unusable.
+
+                       The following global components are defined by the
+                       ACPI CA:
+                              0x01 error
+                              0x02 warn
+                              0x04 init
+                              0x08 debug object
+                              0x10 info
+                              0x20 init names
+                              0x40 parse
+                              0x80 load
+                             0x100 dispatch
+                             0x200 execute
+                             0x400 names
+                             0x800 operation region
+                            0x1000 bfield
+                            0x2000 tables
+                            0x4000 values
+                            0x8000 objects
+                           0x10000 resources
+                           0x20000 user requests
+                           0x40000 package
+                       The number can be in decimal or prefixed with 0x in hex.
+                       Warning: Many of these options can produce a lot of
+                       output and make your system unusable. Be very careful.
+
+       acpi.power_nocheck=     [HW,ACPI]
+                       Format: 1/0 enable/disable the check of power state.
+                       On some bogus BIOS the _PSC object/_STA object of
+                       power resource can't return the correct device power
+                       state. In such case it is unneccessary to check its
+                       power state again in power transition.
+                       1 : disable the power state check
 
        acpi_pm_good    [X86-32,X86-64]
                        Override the pmtimer bug detection: force the kernel
@@ -365,6 +392,8 @@ and is between 256 and 4096 characters. It is defined in the file
                        no delay (0).
                        Format: integer
 
+       bootmem_debug   [KNL] Enable bootmem allocator debug messages.
+
        bttv.card=      [HW,V4L] bttv (bt848 + bt878 based grabber cards)
        bttv.radio=     Most important insmod options are available as
                        kernel args too.
@@ -1072,6 +1101,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
                        * [no]ncq: Turn on or off NCQ.
 
+                       * nohrst, nosrst, norst: suppress hard, soft
+                          and both resets.
+
                        If there are multiple matching configurations changing
                        the same attribute, the last one is used.
 
@@ -2159,13 +2191,6 @@ and is between 256 and 4096 characters. It is defined in the file
                        <deci-seconds>: poll all this frequency
                        0: no polling (default)
 
-       tipar.timeout=  [HW,PPT]
-                       Set communications timeout in tenths of a second
-                       (default 15).
-
-       tipar.delay=    [HW,PPT]
-                       Set inter-bit delay in microseconds (default 10).
-
        tmscsim=        [HW,SCSI]
                        See comment before function dc390_setup() in
                        drivers/scsi/tmscsim.c.