interconnect: drop racy registration API

Now that all interconnect drivers have been converted to the new
provider registration API, the old racy interface can be removed.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230306075651.2449-22-johan+linaro@kernel.orgSigned-off-by: Georgi Djakov <djakov@kernel.org>

drivers/interconnect/core.c

@@ -1084,22 +1084,6 @@ void icc_provider_deregister(struct icc_provider *provider)
 }
 EXPORT_SYMBOL_GPL(icc_provider_deregister);
 
-int icc_provider_add(struct icc_provider *provider)
-{
-	icc_provider_init(provider);
-
-	return icc_provider_register(provider);
-}
-EXPORT_SYMBOL_GPL(icc_provider_add);
-
-void icc_provider_del(struct icc_provider *provider)
-{
-	WARN_ON(!list_empty(&provider->nodes));
-
-	icc_provider_deregister(provider);
-}
-EXPORT_SYMBOL_GPL(icc_provider_del);
-
 static const struct of_device_id __maybe_unused ignore_list[] = {
 	{ .compatible = "qcom,sc7180-ipa-virt" },
 	{ .compatible = "qcom,sc8180x-ipa-virt" },

include/linux/interconnect-provider.h

@@ -125,8 +125,6 @@ int icc_nodes_remove(struct icc_provider *provider);
 void icc_provider_init(struct icc_provider *provider);
 int icc_provider_register(struct icc_provider *provider);
 void icc_provider_deregister(struct icc_provider *provider);
-int icc_provider_add(struct icc_provider *provider);
-void icc_provider_del(struct icc_provider *provider);
 struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec);
 void icc_sync_state(struct device *dev);
 
@@ -179,15 +177,6 @@ static inline int icc_provider_register(struct icc_provider *provider)
 
 static inline void icc_provider_deregister(struct icc_provider *provider) { }
 
-static inline int icc_provider_add(struct icc_provider *provider)
-{
-	return -ENOTSUPP;
-}
-
-static inline void icc_provider_del(struct icc_provider *provider)
-{
-}
-
 static inline struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec)
 {
 	return ERR_PTR(-ENOTSUPP);