Merge tag 'devicetree-fixes-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree fixes from Rob Herring:

 - Fix phandle cache to work with overlays

 - Correct the default clock-frequency for QCom geni-i2c

 - Binding doc quote and spelling fixes

* tag 'devicetree-fixes-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: overlay: update phandle cache on overlay apply and remove
  dt-bindings: Fix unbalanced quotation marks
  dt-bindings: soc: qcom: Fix default clock-freq for qcom,geni-i2c
  dt-bindings: w1-gpio: Remove unneeded unit address
  Documentation: devicetree: tilcdc: fix spelling mistake "suppors" -> "supports"

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 7baa53e5b1d7..eda57ef12fd0 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -804,6 +804,8 @@ static int of_overlay_apply(const void *fdt, struct device_node *tree,
 		goto err_free_overlay_changeset;
 	}
 
+	of_populate_phandle_cache();
+
 	ret = __of_changeset_apply_notify(&ovcs->cset);
 	if (ret)
 		pr_err("overlay changeset entry notify error %d\n", ret);
@@ -1046,8 +1048,17 @@ int of_overlay_remove(int *ovcs_id)
 
 	list_del(&ovcs->ovcs_list);
 
+	/*
+	 * Disable phandle cache.  Avoids race condition that would arise
+	 * from removing cache entry when the associated node is deleted.
+	 */
+	of_free_phandle_cache();
+
 	ret_apply = 0;
 	ret = __of_changeset_revert_entries(&ovcs->cset, &ret_apply);
+
+	of_populate_phandle_cache();
+
 	if (ret) {
 		if (ret_apply)
 			devicetree_state_flags |= DTSF_REVERT_FAIL;