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Subject[PATCH 5/8] interconnect: imx: introduce imx_icc_provider
Date
From: Peng Fan <peng.fan@nxp.com>

Introduce imx_icc_provider as a wrapper of icc_provider to
add i.MX specific information.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
drivers/interconnect/imx/imx.c | 24 ++++++++++++++----------
drivers/interconnect/imx/imx.h | 6 ++++++
2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c
index 1ba906822b7e..f381697fb23e 100644
--- a/drivers/interconnect/imx/imx.c
+++ b/drivers/interconnect/imx/imx.c
@@ -134,9 +134,10 @@ static int imx_icc_node_init_qos(struct icc_provider *provider,
DEV_PM_QOS_MIN_FREQUENCY, 0);
}

-static struct icc_node *imx_icc_node_add(struct icc_provider *provider,
+static struct icc_node *imx_icc_node_add(struct imx_icc_provider *imx_provider,
const struct imx_icc_node_desc *node_desc)
{
+ struct icc_provider *provider = &imx_provider->provider;
struct device *dev = provider->dev;
struct imx_icc_node *node_data;
struct icc_node *node;
@@ -184,10 +185,11 @@ static void imx_icc_unregister_nodes(struct icc_provider *provider)
imx_icc_node_destroy(node);
}

-static int imx_icc_register_nodes(struct icc_provider *provider,
+static int imx_icc_register_nodes(struct imx_icc_provider *imx_provider,
const struct imx_icc_node_desc *descs,
int count)
{
+ struct icc_provider *provider = &imx_provider->provider;
struct icc_onecell_data *provider_data = provider->data;
int ret;
int i;
@@ -197,7 +199,7 @@ static int imx_icc_register_nodes(struct icc_provider *provider,
const struct imx_icc_node_desc *node_desc = &descs[i];
size_t j;

- node = imx_icc_node_add(provider, node_desc);
+ node = imx_icc_node_add(imx_provider, node_desc);
if (IS_ERR(node)) {
ret = dev_err_probe(provider->dev, PTR_ERR(node),
"failed to add %s\n", node_desc->name);
@@ -239,6 +241,7 @@ int imx_icc_register(struct platform_device *pdev,
{
struct device *dev = &pdev->dev;
struct icc_onecell_data *data;
+ struct imx_icc_provider *imx_provider;
struct icc_provider *provider;
int max_node_id;
int ret;
@@ -251,16 +254,17 @@ int imx_icc_register(struct platform_device *pdev,
return -ENOMEM;
data->num_nodes = max_node_id;

- provider = devm_kzalloc(dev, sizeof(*provider), GFP_KERNEL);
- if (!provider)
+ imx_provider = devm_kzalloc(dev, sizeof(*imx_provider), GFP_KERNEL);
+ if (!imx_provider)
return -ENOMEM;
+ provider = &imx_provider->provider;
provider->set = imx_icc_set;
provider->get_bw = imx_icc_get_bw;
provider->aggregate = icc_std_aggregate;
provider->xlate = of_icc_xlate_onecell;
provider->data = data;
provider->dev = dev->parent;
- platform_set_drvdata(pdev, provider);
+ platform_set_drvdata(pdev, imx_provider);

ret = icc_provider_add(provider);
if (ret) {
@@ -268,7 +272,7 @@ int imx_icc_register(struct platform_device *pdev,
return ret;
}

- ret = imx_icc_register_nodes(provider, nodes, nodes_count);
+ ret = imx_icc_register_nodes(imx_provider, nodes, nodes_count);
if (ret)
goto provider_del;

@@ -282,11 +286,11 @@ EXPORT_SYMBOL_GPL(imx_icc_register);

int imx_icc_unregister(struct platform_device *pdev)
{
- struct icc_provider *provider = platform_get_drvdata(pdev);
+ struct imx_icc_provider *imx_provider = platform_get_drvdata(pdev);

- imx_icc_unregister_nodes(provider);
+ imx_icc_unregister_nodes(&imx_provider->provider);

- return icc_provider_del(provider);
+ return icc_provider_del(&imx_provider->provider);
}
EXPORT_SYMBOL_GPL(imx_icc_unregister);

diff --git a/drivers/interconnect/imx/imx.h b/drivers/interconnect/imx/imx.h
index 75da51076c68..0ad2c654c222 100644
--- a/drivers/interconnect/imx/imx.h
+++ b/drivers/interconnect/imx/imx.h
@@ -10,10 +10,16 @@
#ifndef __DRIVERS_INTERCONNECT_IMX_H
#define __DRIVERS_INTERCONNECT_IMX_H

+#include <linux/interconnect-provider.h>
#include <linux/kernel.h>

#define IMX_ICC_MAX_LINKS 4

+struct imx_icc_provider {
+ void __iomem *noc_base;
+ struct icc_provider provider;
+};
+
/*
* struct imx_icc_node_adj - Describe a dynamic adjustable node
*/
--
2.25.1
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