diff --git a/recipes-kernel/qps615-module/qps615-dlkm_git.bb b/recipes-kernel/qps615-module/qps615-dlkm_git.bb
index d6f750d9c..2d5672523 100644
--- a/recipes-kernel/qps615-module/qps615-dlkm_git.bb
+++ b/recipes-kernel/qps615-module/qps615-dlkm_git.bb
@@ -11,10 +11,29 @@ SRCREV = "2cbd7b9ddf2318d58044dcbd57dc187dfca55034"
 
 SRC_URI = "git://github.com/qualcomm-linux/TC9564_Host_Driver.git;protocol=https;branch=qcom"
 
+QPS615_ORIGINAL_SRC_URI := "${SRC_URI}"
+
+def qps615_pkgv_suffix(d):
+    import bb.fetch
+
+    data = d.createCopy()
+    data.setVar("SRC_URI", d.getVar("QPS615_ORIGINAL_SRC_URI"))
+    return bb.fetch.get_pkgv_string(data)
+
 PV = "6.0.3+git"
 
+# externalsrc removes the Git URI from SRC_URI, so package_setup_pkgv() cannot
+# append the normal SCM revision suffix. Reuse BitBake's own revision formatter
+# so devtool package versions match versions from the regular fetch/build path.
+QPS615_PKGREV = "${@qps615_pkgv_suffix(d)}"
+PKGV = "${@d.getVar('PV') + d.getVar('QPS615_PKGREV') if d.getVar('EXTERNALSRC') else d.getVar('PV')}"
+
 B = "${S}/drivers/net/ethernet/toshiba/tc956x"
 
+# devtool/externalsrc replaces B with a separate work directory unless the
+# out-of-tree build directory is explicitly provided.
+EXTERNALSRC_BUILD = "${EXTERNALSRC}/drivers/net/ethernet/toshiba/tc956x"
+
 # The original Makefile uses an "ifeq ($(pf), 1)" check to pick the default config.
 # Therefore, pf=1 needs to be set while compiling for non-SRIOV VF config.
 EXTRA_OEMAKE += "KCFLAGS='-DTC956X -DCONFIG_TC956X_PLATFORM_SUPPORT -DTC956X_SRIOV_PF' pf=1"