[PATCH v8 4/7] interconnect: icc-clk: Add devm_icc_clk_register

[Varadarajan Narayanan <quic_varada@quicinc.com>]

Wrap icc_clk_register to create devm_icc_clk_register to be
able to release the resources properly.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
---
v8: Added Reviewed-by: Dmitry Baryshkov
v7: Simplify devm_icc_clk_register implementation as suggested in review
v5: Introduced devm_icc_clk_register
---
 drivers/interconnect/icc-clk.c   | 18 ++++++++++++++++++
 include/linux/interconnect-clk.h |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/drivers/interconnect/icc-clk.c b/drivers/interconnect/icc-clk.c
index 2be193fd7d8f..f788db15cd76 100644
--- a/drivers/interconnect/icc-clk.c
+++ b/drivers/interconnect/icc-clk.c
@@ -148,6 +148,24 @@ struct icc_provider *icc_clk_register(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(icc_clk_register);
 
+static void devm_icc_release(void *res)
+{
+	icc_clk_unregister(res);
+}
+
+int devm_icc_clk_register(struct device *dev, unsigned int first_id,
+			  unsigned int num_clocks, const struct icc_clk_data *data)
+{
+	struct icc_provider *prov;
+
+	prov = icc_clk_register(dev, first_id, num_clocks, data);
+	if (IS_ERR(prov))
+		return PTR_ERR(prov);
+
+	return devm_add_action_or_reset(dev, devm_icc_release, prov);
+}
+EXPORT_SYMBOL_GPL(devm_icc_clk_register);
+
 /**
  * icc_clk_unregister() - unregister a previously registered clk interconnect provider
  * @provider: provider returned by icc_clk_register()
diff --git a/include/linux/interconnect-clk.h b/include/linux/interconnect-clk.h
index 170898faaacb..9bcee3e9c56c 100644
--- a/include/linux/interconnect-clk.h
+++ b/include/linux/interconnect-clk.h
@@ -19,6 +19,8 @@ struct icc_provider *icc_clk_register(struct device *dev,
 				      unsigned int first_id,
 				      unsigned int num_clocks,
 				      const struct icc_clk_data *data);
+int devm_icc_clk_register(struct device *dev, unsigned int first_id,
+			  unsigned int num_clocks, const struct icc_clk_data *data);
 void icc_clk_unregister(struct icc_provider *provider);
 
 #endif
-- 
2.34.1