diff --git a/.github/workflows/cross-bootstrap-tools.yml b/.github/workflows/cross-bootstrap-tools.yml
index ddfcb467126e93..4bd653e5065462 100644
--- a/.github/workflows/cross-bootstrap-tools.yml
+++ b/.github/workflows/cross-bootstrap-tools.yml
@@ -2,7 +2,7 @@ name: Cross-build Kernel
 
 on:
   push:
-    branches: [ main, 'stable/13' ]
+    branches: [ main, 'stable/13', 'stable/14' ]
   pull_request:
     branches: [ main ]
 
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
new file mode 100644
index 00000000000000..e05aa82e2dc9c2
--- /dev/null
+++ b/.github/workflows/style.yml
@@ -0,0 +1,29 @@
+name: Style Checker
+
+on:
+  push:
+    branches: [ main, 'stable/13', 'stable/14' ]
+  pull_request: # maybe pull_request_target
+    branches: [ main ]
+#    types: [ opened, reopened, edited ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: Style Checker
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 100
+	  fetch-tags: true
+          ref: ${{ github.event.pull_request.head.sha }}
+      - name: Install packages
+        run: |
+          sudo apt-get update --quiet || true
+	  sudo apt-get -yq --no-install-suggests --no-install-recommends install perl
+      - name: Run checker
+        run: |
+	  tools/build/checkstyle9.pl main..${{ github.event.pull_request.head.sha }}