4 files changed, 15 insertions, 2 deletions

diff --git a/Documentation/DocBook/s390-drivers.tmpl b/Documentation/DocBook/s390-drivers.tmpl
index 254e769282a4..3d2f31b99dd9 100644
--- a/Documentation/DocBook/s390-drivers.tmpl
+++ b/Documentation/DocBook/s390-drivers.tmpl
@@ -116,6 +116,7 @@
 !Iinclude/asm-s390/ccwdev.h
 !Edrivers/s390/cio/device.c
 !Edrivers/s390/cio/device_ops.c
+!Edrivers/s390/cio/airq.c
     </sect1>
     <sect1 id="cmf">
      <title>The channel-measurement facility</title>
diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt
index fb94f5a71b68..ba0aacde94fb 100644
--- a/Documentation/cpu-hotplug.txt
+++ b/Documentation/cpu-hotplug.txt
@@ -50,7 +50,7 @@ additional_cpus=n (*)	Use this to limit hotpluggable cpus. This option sets
                         cpu_possible_map = cpu_present_map + additional_cpus
 
 (*) Option valid only for following architectures
-- x86_64, ia64, s390
+- x86_64, ia64
 
 ia64 and x86_64 use the number of disabled local apics in ACPI tables MADT
 to determine the number of potentially hot-pluggable cpus. The implementation
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 65de5ba7b74c..880f882160e2 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -370,7 +370,8 @@ and is between 256 and 4096 characters. It is defined in the file
                         configured.  Potentially dangerous and should only be
                         used if you are entirely sure of the consequences.
 
-        chandev=        [HW,NET] Generic channel device initialisation
+        ccw_timeout_log [S390]
+                        See Documentation/s390/CommonIO for details.
 
         checkreqprot    [SELINUX] Set initial checkreqprot flag value.
                         Format: { "0" | "1" }
@@ -382,6 +383,12 @@ and is between 256 and 4096 characters. It is defined in the file
                         Value can be changed at runtime via
                                 /selinux/checkreqprot.
 
+        cio_ignore=     [S390]
+                        See Documentation/s390/CommonIO for details.
+
+        cio_msg=        [S390]
+                        See Documentation/s390/CommonIO for details.
+
         clock=          [BUGS=X86-32, HW] gettimeofday clocksource override.
                         [Deprecated]
                         Forces specified clocksource (if available) to be used
diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO
index 86320aa3fb0b..8fbc0a852870 100644
--- a/Documentation/s390/CommonIO
+++ b/Documentation/s390/CommonIO
@@ -4,6 +4,11 @@ S/390 common I/O-Layer - command line parameters, procfs and debugfs entries
 Command line parameters
 -----------------------
 
+* ccw_timeout_log
+
+  Enable logging of debug information in case of ccw device timeouts.
+
+
 * cio_msg = yes | no
   
   Determines whether information on found devices and sensed device