Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/Documentation/process/4.Coding.rst b/Documentation/process/4.Coding.rst
index eb4b185..13dd893 100644
--- a/Documentation/process/4.Coding.rst
+++ b/Documentation/process/4.Coding.rst
@@ -249,7 +249,7 @@
 of these options should be turned on for any kernel used for development or
 testing purposes.  In particular, you should turn on:
 
- - ENABLE_WARN_DEPRECATED, ENABLE_MUST_CHECK, and FRAME_WARN to get an
+ - ENABLE_MUST_CHECK and FRAME_WARN to get an
    extra set of warnings for problems like the use of deprecated interfaces
    or ignoring an important return value from a function.  The output
    generated by these warnings can be verbose, but one need not worry about
@@ -298,7 +298,7 @@
 fail; these failures can be restricted to a specific range of code.
 Running with fault injection enabled allows the programmer to see how the
 code responds when things go badly.  See
-Documentation/fault-injection/fault-injection.txt for more information on
+Documentation/fault-injection/fault-injection.rst for more information on
 how to use this facility.
 
 Other kinds of errors can be found with the "sparse" static analysis tool.
@@ -315,7 +315,8 @@
 problems.  Quite a few "semantic patches" for the kernel have been packaged
 under the scripts/coccinelle directory; running "make coccicheck" will run
 through those semantic patches and report on any problems found.  See
-Documentation/dev-tools/coccinelle.rst for more information.
+:ref:`Documentation/dev-tools/coccinelle.rst <devtools_coccinelle>`
+for more information.
 
 Other kinds of portability errors are best found by compiling your code for
 other architectures.  If you do not happen to have an S/390 system or a