[yocto-docs,v4] Update the documentation for SRCPV

diff --git a/documentation/contributor-guide/recipe-style-guide.rst b/documentation/contributor-guide/recipe-style-guide.rst
index 6a3eec3a0e3d3d6148d3ecf1738721d7dd5079a1..806bf23848114304192dadc3efcb9288f8dbb504 100644
--- a/documentation/contributor-guide/recipe-style-guide.rst
+++ b/documentation/contributor-guide/recipe-style-guide.rst
@@ -47,10 +47,10 @@  Debian policy closely.
 
 When a recipe references a git revision that does not correspond to a released
 version of software (e.g. is not a tagged version), the :term:`PV` variable
-should include the Git revision using the following to make the
-version clear::
+should include the sign ``+``, so :term:`bitbake` automatically includes package
+version information during the packaging phase::
 
-    PV = "<version>+git${SRCPV}"
+    PV = "<version>+git"
 
 In this case, ``<version>`` should be the most recently released version of the
 software from the current source revision (``git describe`` can be useful for
diff --git a/documentation/dev-manual/external-scm.rst b/documentation/dev-manual/external-scm.rst
index 97a7e63e366a5f510762e4e62742ef3df5fceda6..896b1b5ac70528848204a636ed7b63ac3bc99c5c 100644
--- a/documentation/dev-manual/external-scm.rst
+++ b/documentation/dev-manual/external-scm.rst
@@ -12,10 +12,13 @@  revision number for changes. Currently, you can do this with Apache
 Subversion (SVN), Git, and Bazaar (BZR) repositories.
 
 To enable this behavior, the :term:`PV` of
-the recipe needs to reference
-:term:`SRCPV`. Here is an example::
+the recipe needs to include a ``+`` sign in its assignment.
+Here is an example::
 
-   PV = "1.2.3+git${SRCPV}"
+   PV = "1.2.3+git"
+
+:term:`Bitbake` later includes the source control information in :term:`PKGV`
+during the packaging phase.
 
 Then, you can add the following to your
 ``local.conf``::
diff --git a/documentation/dev-manual/new-recipe.rst b/documentation/dev-manual/new-recipe.rst
index 61fc2eb1222d38fd9dfb575523688460622f2e0f..944b9627f93fd7a6aafd69482efbb76e90249d8c 100644
--- a/documentation/dev-manual/new-recipe.rst
+++ b/documentation/dev-manual/new-recipe.rst
@@ -291,13 +291,13 @@  another example that specifies these types of files, see the
 
 Another way of specifying source is from an SCM. For Git repositories,
 you must specify :term:`SRCREV` and you should specify :term:`PV` to include
-the revision with :term:`SRCPV`. Here is an example from the recipe
-``meta/recipes-core/musl/gcompat_git.bb``::
+a ``+`` sign in its definition. Here is an example from the recipe
+:oe_git:`meta/recipes-sato/l3afpad/l3afpad_git.bb </openembedded-core/tree/meta/recipes-sato/l3afpad/l3afpad_git.bb>`::
 
-   SRC_URI = "git://git.adelielinux.org/adelie/gcompat.git;protocol=https;branch=current"
+   SRC_URI = "git://github.com/stevenhoneyman/l3afpad.git;branch=master;protocol=https"
 
-   PV = "1.0.0+1.1+git${SRCPV}"
-   SRCREV = "af5a49e489fdc04b9cf02547650d7aeaccd43793"
+   PV = "0.8.18.1.11+git"
+   SRCREV ="3cdccdc9505643e50f8208171d9eee5de11a42ff"
 
 If your :term:`SRC_URI` statement includes URLs pointing to individual files
 fetched from a remote server other than a version control system,
diff --git a/documentation/dev-manual/packages.rst b/documentation/dev-manual/packages.rst
index e5028fffdc825aeeec00e3ef256e1583211d5b02..33cf78747d1bc62268811321ad7a40397268e13f 100644
--- a/documentation/dev-manual/packages.rst
+++ b/documentation/dev-manual/packages.rst
@@ -84,10 +84,6 @@  the following:
 
 -  :term:`PR`: The recipe revision.
 
--  :term:`SRCPV`: The OpenEmbedded
-   build system uses this string to help define the value of :term:`PV` when
-   the source code revision needs to be included in it.
-
 -  :yocto_wiki:`PR Service </PR_Service>`: A
    network-based service that helps automate keeping package feeds
    compatible with existing package manager applications such as RPM,
@@ -256,15 +252,14 @@  the software::
 
    SRCREV = "${AUTOREV}"
 
-Furthermore, you need to reference :term:`SRCPV` in :term:`PV` in order to
+Furthermore, you need to include a ``+`` sign in :term:`PV` in order to
 automatically update the version whenever the revision of the source
 code changes. Here is an example::
 
-   PV = "1.0+git${SRCPV}"
-
-The OpenEmbedded build system substitutes :term:`SRCPV` with the following:
+   PV = "1.0+git"
 
-.. code-block:: none
+The OpenEmbedded build system will automatically add the source control
+information to the end of the variable :term:`PKGV`, in this format::
 
    AUTOINC+source_code_revision
 
diff --git a/documentation/kernel-dev/common.rst b/documentation/kernel-dev/common.rst
index fda41694dc60fa738262a2cce33523708c7ce4ab..28ef3b22c343413fcd092f63e6b77ee156d3d7d7 100644
--- a/documentation/kernel-dev/common.rst
+++ b/documentation/kernel-dev/common.rst
@@ -1562,16 +1562,9 @@  Here are some basic steps you can use to work with your own sources:
       changed.
 
    -  :term:`PV`: The default :term:`PV`
-      assignment is typically adequate. It combines the
-      :term:`LINUX_VERSION` with the Source Control Manager (SCM) revision
-      as derived from the :term:`SRCPV`
-      variable. The combined results are a string with the following
-      form::
-
-         3.19.11+git1+68a635bf8dfb64b02263c1ac80c948647cc76d5f_1+218bd8d2022b9852c60d32f0d770931e3cf343e2
-
-      While lengthy, the extra verbosity in :term:`PV` helps ensure you are
-      using the exact sources from which you intend to build.
+      assignment is typically adequate. It combines the value of
+      :term:`LINUX_VERSION` and the value ``+git`` which adds source control
+      information to :term:`PKGV` later during the packaging phase.
 
    -  :term:`COMPATIBLE_MACHINE`:
       A list of the machines supported by your new recipe. This variable
diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 1eee617d59ccddc9af0ffb95ea3635a707718152..e8db89f8c9642b1e36c574e1369093a7a2ce30a4 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -209,12 +209,11 @@  system and gives an overview of their function and contents.
          SRCREV = "${AUTOREV}"
 
       If you use the previous statement to retrieve the latest version of
-      software, you need to be sure :term:`PV` contains
-      ``${``\ :term:`SRCPV`\ ``}``. For example, suppose you have a kernel
-      recipe that inherits the :ref:`ref-classes-kernel` class and you
-      use the previous statement. In this example, ``${SRCPV}`` does not
-      automatically get into :term:`PV`. Consequently, you need to change
-      :term:`PV` in your recipe so that it does contain ``${SRCPV}``.
+      software, you need to make sure :term:`PV` contains the ``+`` sign so
+      :term:`bitbake` includes source control information to :term:`PKGV` when
+      packaging the recipe. For example::
+
+         PV = "6.10.y+git"
 
       For more information see the
       ":ref:`dev-manual/packages:automatically incrementing a package version number`"
@@ -5157,7 +5156,7 @@  system and gives an overview of their function and contents.
       The :term:`LINUX_VERSION` variable is used to define :term:`PV`
       for the recipe::
 
-         PV = "${LINUX_VERSION}+git${SRCPV}"
+         PV = "${LINUX_VERSION}+git"
 
    :term:`LINUX_VERSION_EXTENSION`
       A string extension compiled into the version string of the Linux
@@ -6720,22 +6719,14 @@  system and gives an overview of their function and contents.
          string. You cannot use the wildcard character in any other
          location of the string.
 
-      The specified version is matched against :term:`PV`, which
-      does not necessarily match the version part of the recipe's filename.
-      For example, consider two recipes ``foo_1.2.bb`` and ``foo_git.bb``
-      where ``foo_git.bb`` contains the following assignment::
-
-         PV = "1.1+git${SRCPV}"
-
-      In this case, the correct way to select
-      ``foo_git.bb`` is by using an assignment such as the following::
-
-         PREFERRED_VERSION_foo = "1.1+git%"
+      The specified version is matched against :term:`PV`, which does not
+      necessarily match the version part of the recipe's filename.
 
-      Compare that previous example
-      against the following incorrect example, which does not work::
-
-         PREFERRED_VERSION_foo = "git"
+      If you want to select a recipe named ``foo_git.bb`` which has :term:`PV`
+      set to ``1.2.3+git``, you can do so by setting ```PREFERRED_VERSION_foo``
+      to ``1.2.3%`` (i.e. simply setting ``PREFERRED_VERSION_foo`` to ``git``
+      will not work as the name of the recipe isn't used, but rather its
+      :term:`PV` definition).
 
       Sometimes the :term:`PREFERRED_VERSION` variable can be set by
       configuration files in a way that is hard to change. You can use
@@ -8321,21 +8312,23 @@  system and gives an overview of their function and contents.
       (SCM).
 
    :term:`SRCPV`
-      Returns the version string of the current package. This string is
-      used to help define the value of :term:`PV`.
+      The variable :term:`SRCPV` is deprecated. It was previously used to
+      include source control information in :term:`PV` for :term:`bitbake` to
+      work correctly but this is no longer a requirement. Source control
+      information will be automatically included by :term:`bitbake` in the
+      variable :term:`PKGV` during packaging if the ``+`` sign is present in
+      :term:`PV`.
 
-      The :term:`SRCPV` variable is defined in the ``meta/conf/bitbake.conf``
-      configuration file in the :term:`Source Directory` as
-      follows::
+      .. note::
 
-         SRCPV = "${@bb.fetch2.get_srcrev(d)}"
+         The :term:`SRCPV` variable used to be defined in the
+         ``meta/conf/bitbake.conf`` configuration file in the :term:`Source
+         Directory` as follows::
 
-      Recipes that need to define :term:`PV` do so with the help of the
-      :term:`SRCPV`. For example, the ``ofono`` recipe (``ofono_git.bb``)
-      located in ``meta/recipes-connectivity`` in the Source Directory
-      defines :term:`PV` as follows::
+            SRCPV = "${@bb.fetch2.get_srcrev(d)}"
 
-         PV = "0.12-git${SRCPV}"
+         The ``get_srcrev`` function can still be used to include source control
+         information in variables manually.
 
    :term:`SRCREV`
       The revision of the source code used to build the package. This