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pmdomain: samsung: fix build with kernel 6.6 patchs

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This commit is contained in:
Mauro Ribeiro
2026-01-26 11:36:23 -03:00
parent 2b846e2cb2
commit 2721ed4be2
1 changed files with 42 additions and 23 deletions
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65
drivers/pmdomain/samsung/exynos-pm-domains.c
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@@ -18,8 +18,6 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/pm_runtime.h>
#include <linux/of_platform.h>
#include <linux/sched.h>
struct exynos_pm_domain_config {
/* Value for LOCAL_PWR_CFG and STATUS fields for each domain */
@@ -75,15 +73,15 @@ static int exynos_pd_power_off(struct generic_pm_domain *domain)
return exynos_pd_power(domain, false);
}
static const struct exynos_pm_domain_config exynos4210_cfg __initconst = {
static const struct exynos_pm_domain_config exynos4210_cfg = {
.local_pwr_cfg = 0x7,
};
static const struct exynos_pm_domain_config exynos5433_cfg __initconst = {
static const struct exynos_pm_domain_config exynos5433_cfg = {
.local_pwr_cfg = 0xf,
};
static const struct of_device_id exynos_pm_domain_of_match[] __initconst = {
static const struct of_device_id exynos_pm_domain_of_match[] = {
{
.compatible = "samsung,exynos4210-pd",
.data = &exynos4210_cfg,
@@ -94,7 +92,7 @@ static const struct of_device_id exynos_pm_domain_of_match[] __initconst = {
{ },
};
static __init const char *exynos_get_domain_name(struct device *dev,
static const char *exynos_get_domain_name(struct device *dev,
struct device_node *node)
{
const char *name;
@@ -104,15 +102,19 @@ static __init const char *exynos_get_domain_name(struct device *dev,
return devm_kstrdup_const(dev, name, GFP_KERNEL);
}
static __init int exynos4_pm_init_power_domain(void)
static int exynos_pd_probe(struct platform_device *pdev)
{
struct device_node *np;
const struct of_device_id *match;
const struct exynos_pm_domain_config *pm_domain_cfg;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct of_phandle_args child, parent;
struct exynos_pm_domain *pd;
int on, ret;
for_each_matching_node_and_match(np, exynos_pm_domain_of_match, &match) {
const struct exynos_pm_domain_config *pm_domain_cfg;
struct exynos_pm_domain *pd;
int on;
pm_domain_cfg = of_device_get_match_data(dev);
pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
if (!pd)
return -ENOMEM;
pd->pd.name = exynos_get_domain_name(dev, np);
if (!pd->pd.name)
@@ -122,18 +124,20 @@ static __init int exynos4_pm_init_power_domain(void)
if (!pd->base)
return -ENODEV;
/* Assign the child power domains to their parents */
for_each_matching_node(np, exynos_pm_domain_of_match) {
struct of_phandle_args child, parent;
pd->pd.power_off = exynos_pd_power_off;
pd->pd.power_on = exynos_pd_power_on;
pd->local_pwr_cfg = pm_domain_cfg->local_pwr_cfg;
on = readl_relaxed(pd->base + 0x4) & pd->local_pwr_cfg;
pm_genpd_init(&pd->pd, NULL, !on);
ret = of_genpd_add_provider_simple(np, &pd->pd);
if (ret == 0 && of_parse_phandle_with_args(np, "power-domains",
"#power-domain-cells", 0, &parent) == 0) {
child.np = np;
child.args_count = 0;
if (of_parse_phandle_with_args(np, "power-domains",
"#power-domain-cells", 0,
&parent) != 0)
continue;
if (of_genpd_add_subdomain(&parent, &child))
pr_warn("%pOF failed to add subdomain: %pOF\n",
parent.np, child.np);
@@ -142,6 +146,21 @@ static __init int exynos4_pm_init_power_domain(void)
parent.np, child.np);
}
return 0;
pm_runtime_enable(dev);
return ret;
}
core_initcall(exynos4_pm_init_power_domain);
static struct platform_driver exynos_pd_driver = {
.probe = exynos_pd_probe,
.driver = {
.name = "exynos-pd",
.of_match_table = exynos_pm_domain_of_match,
.suppress_bind_attrs = true,
}
};
static __init int exynos4_pm_init_power_domain(void)
{
return platform_driver_register(&exynos_pd_driver);
}
core_initcall(exynos4_pm_init_power_domain);