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interconnect: imx: introduce imx_icc_provider 

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>
Link: https://lore.kernel.org/r/20220703091132.1412063-7-peng.fan@oss.nxp.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This commit is contained in:
Peng Fan 2022-07-03 17:11:28 +08:00 committed by Georgi Djakov
parent 6eeaf28c79
commit 12db59e8e0
2 changed files with 20 additions and 10 deletions
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24
drivers/interconnect/imx/imx.c
View File

@ -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 num_nodes;
int ret;
@ -251,16 +254,17 @@ int imx_icc_register(struct platform_device *pdev,
return -ENOMEM;
data->num_nodes = num_nodes;
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);

6
drivers/interconnect/imx/imx.h
View File

@ -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
*/