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interconnect: Move internal structs into a separate file

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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.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
This commit is contained in:
Georgi Djakov 2019-11-28 16:18:16 +02:00
parent ad3703ac24
commit dd018a9cf9
2 changed files with 42 additions and 28 deletions
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30
drivers/interconnect/core.c
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@ -19,39 +19,13 @@
#include <linux/of.h> #include <linux/of.h>
#include <linux/overflow.h> #include <linux/overflow.h>
#include "internal.h"
static DEFINE_IDR(icc_idr); static DEFINE_IDR(icc_idr);
static LIST_HEAD(icc_providers); static LIST_HEAD(icc_providers);
static DEFINE_MUTEX(icc_lock); static DEFINE_MUTEX(icc_lock);
static struct dentry *icc_debugfs_dir; 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) static void icc_summary_show_one(struct seq_file *s, struct icc_node *n)
{ {
if (!n) if (!n)

40
drivers/interconnect/internal.h Normal file
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@ -0,0 +1,40 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Interconnect framework internal structs
*
* Copyright (c) 2019, Linaro Ltd.
* Author: Georgi Djakov <georgi.djakov@linaro.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