linux-kernel - [PATCH v2 1/3] interconnect: Move internal structs into a separate file

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Message-Id: <20191101130031.27996-2-georgi.djakov@linaro.org>
Date:   Fri,  1 Nov 2019 15:00:29 +0200
From:   Georgi Djakov <georgi.djakov@...aro.org>
To:     linux-pm@...r.kernel.org, rostedt@...dmis.org, mingo@...hat.com
Cc:     bjorn.andersson@...aro.org, vincent.guittot@...aro.org,
        daidavid1@...eaurora.org, okukatla@...eaurora.org,
        evgreen@...omium.org, mka@...omium.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Georgi Djakov <georgi.djakov@...aro.org>
Subject: [PATCH v2 1/3] interconnect: Move internal structs into a separate file

Move the interconnect framework internal structs into a separate file,
so that it can be included and used by ftrace code. This will allow us
to expose some more useful information in the traces.

Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
---
 drivers/interconnect/core.c     | 30 ++-----------------------
 drivers/interconnect/internal.h | 40 +++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 28 deletions(-)
 create mode 100644 drivers/interconnect/internal.h

diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 56cc4bacea5b..86ca6245fe6e 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -19,39 +19,13 @@
 #include <linux/of.h>
 #include <linux/overflow.h>
 
+#include "internal.h"
+
 static DEFINE_IDR(icc_idr);
 static LIST_HEAD(icc_providers);
 static DEFINE_MUTEX(icc_lock);
 static struct dentry *icc_debugfs_dir;
 
-/**
- * struct icc_req - constraints that are attached to each node
- * @req_node: entry in list of requests for the particular @node
- * @node: the interconnect node to which this constraint applies
- * @dev: reference to the device that sets the constraints
- * @tag: path tag (optional)
- * @avg_bw: an integer describing the average bandwidth in kBps
- * @peak_bw: an integer describing the peak bandwidth in kBps
- */
-struct icc_req {
-	struct hlist_node req_node;
-	struct icc_node *node;
-	struct device *dev;
-	u32 tag;
-	u32 avg_bw;
-	u32 peak_bw;
-};
-
-/**
- * struct icc_path - interconnect path structure
- * @num_nodes: number of hops (nodes)
- * @reqs: array of the requests applicable to this path of nodes
- */
-struct icc_path {
-	size_t num_nodes;
-	struct icc_req reqs[];
-};
-
 static void icc_summary_show_one(struct seq_file *s, struct icc_node *n)
 {
 	if (!n)
diff --git a/drivers/interconnect/internal.h b/drivers/interconnect/internal.h
new file mode 100644
index 000000000000..5853e8faf223
--- /dev/null
+++ b/drivers/interconnect/internal.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Interconnect framework internal structs
+ *
+ * Copyright (c) 2019, Linaro Ltd.
+ * Author: Georgi Djakov <georgi.djakov@...aro.org>
+ */
+
+#ifndef __DRIVERS_INTERCONNECT_INTERNAL_H
+#define __DRIVERS_INTERCONNECT_INTERNAL_H
+
+/**
+ * struct icc_req - constraints that are attached to each node
+ * @req_node: entry in list of requests for the particular @node
+ * @node: the interconnect node to which this constraint applies
+ * @dev: reference to the device that sets the constraints
+ * @tag: path tag (optional)
+ * @avg_bw: an integer describing the average bandwidth in kBps
+ * @peak_bw: an integer describing the peak bandwidth in kBps
+ */
+struct icc_req {
+	struct hlist_node req_node;
+	struct icc_node *node;
+	struct device *dev;
+	u32 tag;
+	u32 avg_bw;
+	u32 peak_bw;
+};
+
+/**
+ * struct icc_path - interconnect path structure
+ * @num_nodes: number of hops (nodes)
+ * @reqs: array of the requests applicable to this path of nodes
+ */
+struct icc_path {
+	size_t num_nodes;
+	struct icc_req reqs[];
+};
+
+#endif