Merge tag 'docs-5.9-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of obvious fixes that wandered in during the merge window"

* tag 'docs-5.9-2' of git://git.lwn.net/linux:
  Documentation/locking/locktypes: fix the typo
  doc/zh_CN: resolve undefined label warning in admin-guide index
  doc/zh_CN: fix title heading markup in admin-guide cpu-load
  docs: remove the 2.6 "Upgrading I2C Drivers" guide
  docs: Correct the release date of 5.2 stable
  mailmap: Update comments for with format and more detalis
  docs: cdrom: Fix a typo and rst markup
  Doc: admin-guide: use correct legends in kernel-parameters.txt
  Documentation/features: refresh RISC-V arch support files
  documentation: coccinelle: Improve command example for make C={1,2}
  Core-api: Documentation: Replace deprecated :c:func: Usage
  Dev-tools: Documentation: Replace deprecated :c:func: Usage
  Filesystems: Documentation: Replace deprecated :c:func: Usage
  docs: trace: fix a typo

2 files changed, 19 insertions, 12 deletions

diff --git a/Documentation/dev-tools/coccinelle.rst b/Documentation/dev-tools/coccinelle.rst
index 6c791af1c859..74c5e6aeeff5 100644
--- a/Documentation/dev-tools/coccinelle.rst
+++ b/Documentation/dev-tools/coccinelle.rst
@@ -175,13 +175,20 @@ For example, to check drivers/net/wireless/ one may write::
     make coccicheck M=drivers/net/wireless/
 
 To apply Coccinelle on a file basis, instead of a directory basis, the
-following command may be used::
+C variable is used by the makefile to select which files to work with.
+This variable can be used to run scripts for the entire kernel, a
+specific directory, or for a single file.
 
-    make C=1 CHECK="scripts/coccicheck"
+For example, to check drivers/bluetooth/bfusb.c, the value 1 is
+passed to the C variable to check files that make considers
+need to be compiled.::
 
-To check only newly edited code, use the value 2 for the C flag, i.e.::
+    make C=1 CHECK=scripts/coccicheck drivers/bluetooth/bfusb.o
 
-    make C=2 CHECK="scripts/coccicheck"
+The value 2 is passed to the C variable to check files regardless of
+whether they need to be compiled or not.::
+
+    make C=2 CHECK=scripts/coccicheck drivers/bluetooth/bfusb.o
 
 In these modes, which work on a file basis, there is no information
 about semantic patches displayed, and no commit message proposed.
diff --git a/Documentation/dev-tools/kgdb.rst b/Documentation/dev-tools/kgdb.rst
index 0e52e966a153..c908ef4d3f04 100644
--- a/Documentation/dev-tools/kgdb.rst
+++ b/Documentation/dev-tools/kgdb.rst
@@ -316,7 +316,7 @@ driver as a loadable kernel module kgdbwait will not do anything.
 Kernel parameter: ``kgdbcon``
 -----------------------------
 
-The ``kgdbcon`` feature allows you to see :c:func:`printk` messages inside gdb
+The ``kgdbcon`` feature allows you to see printk() messages inside gdb
 while gdb is connected to the kernel. Kdb does not make use of the kgdbcon
 feature.
 
@@ -432,7 +432,7 @@ This is a quick example of how to use kdb.
    ``ps``      Displays only the active processes
    ``ps A``    Shows all the processes
    ``summary`` Shows kernel version info and memory usage
-   ``bt``      Get a backtrace of the current process using :c:func:`dump_stack`
+   ``bt``      Get a backtrace of the current process using dump_stack()
    ``dmesg``   View the kernel syslog buffer
    ``go``      Continue the system
    =========== =================================================================
@@ -724,7 +724,7 @@ The kernel debugger is organized into a number of components:
    The arch-specific portion implements:
 
    -  contains an arch-specific trap catcher which invokes
-      :c:func:`kgdb_handle_exception` to start kgdb about doing its work
+      kgdb_handle_exception() to start kgdb about doing its work
 
    -  translation to and from gdb specific packet format to :c:type:`pt_regs`
 
@@ -769,7 +769,7 @@ The kernel debugger is organized into a number of components:
          config. Later run ``modprobe kdb_hello`` and the next time you
          enter the kdb shell, you can run the ``hello`` command.
 
-   -  The implementation for :c:func:`kdb_printf` which emits messages directly
+   -  The implementation for kdb_printf() which emits messages directly
       to I/O drivers, bypassing the kernel log.
 
    -  SW / HW breakpoint management for the kdb shell
@@ -875,7 +875,7 @@ kernel when ``CONFIG_KDB_KEYBOARD=y`` is set in the kernel configuration.
 The core polled keyboard driver for PS/2 type keyboards is in
 ``drivers/char/kdb_keyboard.c``. This driver is hooked into the debug core
 when kgdboc populates the callback in the array called
-:c:type:`kdb_poll_funcs[]`. The :c:func:`kdb_get_kbd_char` is the top-level
+:c:type:`kdb_poll_funcs[]`. The kdb_get_kbd_char() is the top-level
 function which polls hardware for single character input.
 
 kgdboc and kms
@@ -887,10 +887,10 @@ that you have a video driver which has a frame buffer console and atomic
 kernel mode setting support.
 
 Every time the kernel debugger is entered it calls
-:c:func:`kgdboc_pre_exp_handler` which in turn calls :c:func:`con_debug_enter`
+kgdboc_pre_exp_handler() which in turn calls con_debug_enter()
 in the virtual console layer. On resuming kernel execution, the kernel
-debugger calls :c:func:`kgdboc_post_exp_handler` which in turn calls
-:c:func:`con_debug_leave`.
+debugger calls kgdboc_post_exp_handler() which in turn calls
+con_debug_leave().
 
 Any video driver that wants to be compatible with the kernel debugger
 and the atomic kms callbacks must implement the ``mode_set_base_atomic``,