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-rw-r--r--docs/breaking_changes.md4
-rw-r--r--docs/chibios_upgrade_instructions.md56
m---------lib/chibios0
m---------lib/chibios-contrib0
4 files changed, 60 insertions, 0 deletions
diff --git a/docs/breaking_changes.md b/docs/breaking_changes.md
index 3e85a70761..2ad8b5a14d 100644
--- a/docs/breaking_changes.md
+++ b/docs/breaking_changes.md
@@ -96,3 +96,7 @@ This happens immediately after the previous `develop` branch is merged.
* [ ] Create a PR for `develop`
* [ ] Make sure travis comes back clean
* [ ] Merge `develop` PR
+
+## Post-merge operations
+
+* (Optional) [update ChibiOS + ChibiOS-Contrib on `develop`](chibios_upgrade_instructions.md) \ No newline at end of file
diff --git a/docs/chibios_upgrade_instructions.md b/docs/chibios_upgrade_instructions.md
new file mode 100644
index 0000000000..40c2faafcf
--- /dev/null
+++ b/docs/chibios_upgrade_instructions.md
@@ -0,0 +1,56 @@
+# ChibiOS Upgrade Procedure
+
+ChibiOS and ChibiOS-Contrib need to be updated in tandem -- the latter has a branch tied to the ChibiOS version in use and should not be mixed with different versions.
+
+## Getting ChibiOS
+
+* `svn` Initialisation:
+ * Only needed to be done once
+ * You might need to separately install `git-svn` package in your OS's package manager
+ * `git svn init --stdlayout --prefix='svn/' http://svn.osdn.net/svnroot/chibios/`
+ * `git remote add qmk git@github.com:qmk/ChibiOS.git`
+* Updating:
+ * `git svn fetch`
+ * First time around this will take several hours
+ * Subsequent updates will be incremental only
+* Tagging example (work out which version first!):
+ * `git tag -a ver20.3.3 -m ver20.3.3 svn/tags/ver20.3.3`
+ * `git push qmk ver20.3.3`
+ * `git tag -a breaking_YYYY_qN -m breaking_YYYY_qN svn/tags/ver20.3.3`
+ * `git push qmk breaking_YYYY_qN`
+
+## Getting ChibiOS-Contrib
+
+* `git` Initialisation:
+ * `git clone git@github.com:qmk/ChibiOS-Contrib`
+ * `git remote add upstream https://github.com/ChibiOS/ChibiOS-Contrib`
+ * `git checkout -b chibios-20.3.x upstream/chibios-20.3.x`
+* Updating:
+ * `git fetch --all --tags --prune`
+ * `git checkout chibios-20.3.x`
+ * `git pull --ff-only`
+ * `git push origin chibios-20.3.x`
+ * `git tag -a breaking_YYYY_qN -m breaking_YYYY_qN chibios-20.3.x`
+ * `git push origin breaking_YYYY_qN`
+
+## Updating submodules
+
+* Update the submodules
+ * `cd $QMK_FIRMWARE`
+ * `git checkout develop`
+ * `git pull --ff-only`
+ * `git checkout -b chibios-version-bump`
+ * `cd lib/chibios`
+ * `git fetch --all --tags --prune`
+ * `git checkout breaking_YYYY_qN`
+ * `cd ../chibios-contrib`
+ * `git fetch --all --tags --prune`
+ * `git checkout breaking_YYYY_qN`
+* Build everything
+ * `cd $QMK_FIRMWARE`
+ * `qmk multibuild -j4`
+ * Make sure there are no errors
+* Push to the repo
+ * `git commit -am 'Update ChibiOS to XXXXXXXXX'`
+ * `git push --set-upstream origin chibios-version-bump`
+* Make a PR to qmk_firmware with the new branch \ No newline at end of file
diff --git a/lib/chibios b/lib/chibios
-Subproject ffe54d63cb10a355add318f8e922e39f1c3d4bf
+Subproject 413e39c5681d181720440f2a8b7391f581788d7
diff --git a/lib/chibios-contrib b/lib/chibios-contrib
-Subproject 61baa6b036138c155f7cfc5646d833d9423f324
+Subproject 9c2bfa6aeba993345f5425d82807c101f8e25e6