kernel-dev: Removed bare clone stuff for trad. kernel dev.

Bare clone setup is no longer recommended or necessary for
traditional kernel development.  All that is required is to
clone the kernel Git repo locally.

(From yocto-docs rev: cbe6d79da4fc2d5bba530b0fe6abead7783bdfbe)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 8 insertions, 84 deletions

diff --git a/documentation/kernel-dev/kernel-dev-intro.xml b/documentation/kernel-dev/kernel-dev-intro.xml
index 99faad8316..bc638dcc40 100644
--- a/documentation/kernel-dev/kernel-dev-intro.xml
+++ b/documentation/kernel-dev/kernel-dev-intro.xml
@@ -322,7 +322,7 @@
 
         <para>
             For traditional kernel development using the Yocto
-            Project, you need to establish local copies of the
+            Project, you need to establish a local copy of the
             kernel source.
             You can find Git repositories of supported Yocto Project
             kernels organized under "Yocto Linux Kernel" in the Yocto
@@ -331,94 +331,18 @@
         </para>
 
         <para>
-            This setup can involve creating a bare clone of the
-            Yocto Project kernel and then copying that cloned
-            repository.
-            You can create the bare clone and the copy of the bare
-            clone anywhere you like.
-            For simplicity, it is recommended that you create these
-            structures outside of the
+            For simplicity, it is recommended that you create your copy
+            of the kernel Git repository outside of the
             <ulink url='&YOCTO_DOCS_REF_URL;source-directory'>Source Directory</ulink>,
             which is usually named <filename>poky</filename>.
         </para>
 
         <para>
-            The following steps show how to create a bare clone of the
-            <filename>linux-yocto-4.4</filename> kernel and then
-            create a copy of that clone:
-            <note>
-                When you have a local Yocto Project kernel Git
-                repository, you can reference that repository rather than
-                the upstream Git repository as part of the
-                <filename>clone</filename> command.
-                Doing so can speed up the process.
-            </note>
-            <orderedlist>
-                <listitem><para>
-                    <emphasis>Create the Bare Clone:</emphasis>
-                    In the following example, the bare clone is named
-                    <filename>linux-yocto-4.4.git</filename>:
-                    <literallayout class='monospaced'>
-     $ git clone &dash;&dash;bare git://git.yoctoproject.org/linux-yocto-4.4 linux-yocto-4.4.git
-     Cloning into bare repository 'linux-yocto-4.4.git'...
-     remote: Counting objects: 4543903, done.
-     remote: Compressing objects: 100% (695618/695618), done.
-     remote: Total 4543903 (delta 3818435), reused 4541724 (delta 3816256)
-     Receiving objects: 100% (4543903/4543903), 801.08 MiB | 6.55 MiB/s, done.
-     Resolving deltas: 100% (3818435/3818435), done.
-     Checking connectivity... done.
-                    </literallayout>
-                    </para></listitem>
-                <listitem><para>
-                    <emphasis>Create the Copy of the Bare Clone:</emphasis>
-                    In the following command, the copy of the bare clone
-                    is named <filename>my-linux-yocto-4.4-work</filename>:
-                    <literallayout class='monospaced'>
-     $ git clone linux-yocto-4.4.git my-linux-yocto-4.4-work
-     Cloning into 'my-linux-yocto-4.4-work'...
-     done.
-     Checking out files: 100% (52221/52221), done.
-                    </literallayout>
-                    </para></listitem>
-                <listitem><para>
-                    <emphasis>Cloning the <filename>meta-yocto-kernel-extras</filename> Repository:</emphasis>
-                    The <filename>meta-yocto-kernel-extras</filename> Git
-                    repository contains Metadata needed only if you are
-                    modifying and building the kernel image.
-                    In particular, it contains the kernel BitBake append
-                    (<filename>.bbappend</filename>) files that you edit to
-                    point to your locally modified kernel source files and
-                    to build the kernel image.
-                    Pointing to these local files is much more efficient
-                    than requiring a download of the kernel's source files
-                    from upstream each time you make changes to the kernel.
-                    </para>
-
-                    <para>You can find the
-                    <filename>meta-yocto-kernel-extras</filename> Git
-                    Repository in the "Yocto Metadata Layers" area of the
-                    Yocto Project Source Repositories at
-                    <ulink url='&YOCTO_GIT_URL;/cgit.cgi'></ulink>.
-                    It is good practice to create this Git repository
-                    inside the Source Directory.</para>
-
-                    <para>Following is an example that creates the
-                    <filename>meta-yocto-kernel-extras</filename> Git
-                    repository inside the Source Directory, which is named
-                    <filename>poky</filename>, in this case:
-                    <literallayout class='monospaced'>
-     $ cd ~/poky
-     $ git clone git://git.yoctoproject.org/meta-yocto-kernel-extras meta-yocto-kernel-extras
-     Cloning into 'meta-yocto-kernel-extras'...
-     remote: Counting objects: 727, done.
-     remote: Compressing objects: 100% (452/452), done.
-     remote: Total 727 (delta 260), reused 719 (delta 252)
-     Receiving objects: 100% (727/727), 536.36 KiB | 0 bytes/s, done.
-     Resolving deltas: 100% (260/260), done.
-     Checking connectivity... done.
-                    </literallayout>
-                    </para></listitem>
-            </orderedlist>
+            The following command shows how to create a local copy of the
+            <filename>linux-yocto-4.4</filename> kernel:
+            <literallayout class='monospaced'>
+     $ git clone git://git.yoctoproject.org/linux-yocto-4.4 linux-yocto-4.4.git
+            </literallayout>
         </para>
     </section>
 </section>