linux-kernel - [RFC PATCH v3 1/7] interconnect: Export of_icc_get_from

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Message-Id: <20191220115653.6487-2-a.swigon@samsung.com>
Date:   Fri, 20 Dec 2019 12:56:47 +0100
From:   Artur Świgoń <a.swigon@...sung.com>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     Artur Świgoń <a.swigon@...sung.com>,
        cw00.choi@...sung.com, myungjoo.ham@...sung.com,
        inki.dae@...sung.com, sw0312.kim@...sung.com,
        georgi.djakov@...aro.org, leonard.crestez@....com,
        m.szyprowski@...sung.com, b.zolnierkie@...sung.com, krzk@...nel.org
Subject: [RFC PATCH v3 1/7] interconnect: Export of_icc_get_from_provider()

This patch makes the above function public (for use in exynos-bus devfreq
driver).

Signed-off-by: Artur Świgoń <a.swigon@...sung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 drivers/interconnect/core.c           | 3 ++-
 include/linux/interconnect-provider.h | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 63c164264b73..e6035c199369 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -330,7 +330,7 @@ EXPORT_SYMBOL_GPL(of_icc_xlate_onecell);
  * Returns a valid pointer to struct icc_node on success or ERR_PTR()
  * on failure.
  */
-static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
+struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
 {
 	struct icc_node *node = ERR_PTR(-EPROBE_DEFER);
 	struct icc_provider *provider;
@@ -349,6 +349,7 @@ static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
 
 	return node;
 }
+EXPORT_SYMBOL_GPL(of_icc_get_from_provider);
 
 /**
  * of_icc_get() - get a path handle from a DT node based on name
diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h
index 0c494534b4d3..cc965b8fab53 100644
--- a/include/linux/interconnect-provider.h
+++ b/include/linux/interconnect-provider.h
@@ -103,6 +103,7 @@ void icc_node_del(struct icc_node *node);
 int icc_nodes_remove(struct icc_provider *provider);
 int icc_provider_add(struct icc_provider *provider);
 int icc_provider_del(struct icc_provider *provider);
+struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec);
 
 #else
 
@@ -154,6 +155,11 @@ static inline int icc_provider_del(struct icc_provider *provider)
 	return -ENOTSUPP;
 }
 
+struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
+{
+	return ERR_PTR(-ENOTSUPP);
+}
+
 #endif /* CONFIG_INTERCONNECT */
 
 #endif /* __LINUX_INTERCONNECT_PROVIDER_H */
-- 
2.17.1