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Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm

Browse Source 
Pull ARM cpufreq changes for v5.12 from Viresh Kumar:

"- Removal of Tango driver as the platform got removed (Arnd Bergmann).

 - Use resource managed APIs for tegra20 (Dmitry Osipenko).

 - Generic cleanups for brcmstb (Christophe JAILLET).

 - Enable boost support for qcom-hw (Shawn Guo)."

* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  cpufreq: remove tango driver
  cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove()
  cpufreq: brcmstb-avs-cpufreq: Free resources in error path
  cpufreq: qcom-hw: enable boost support
  cpufreq: tegra20: Use resource-managed API
This commit is contained in:
Rafael J. Wysocki 2021-02-08 13:54:58 +01:00
commit 7ac839a0a7
7 changed files with 45 additions and 76 deletions
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5
drivers/cpufreq/Kconfig.arm
View File

@ -289,11 +289,6 @@ config ARM_STI_CPUFREQ
this config option if you wish to add CPUFreq support for STi based
SoCs.
config ARM_TANGO_CPUFREQ
bool
depends on CPUFREQ_DT && ARCH_TANGO
default y
config ARM_TEGRA20_CPUFREQ
tristate "Tegra20/30 CPUFreq support"
depends on ARCH_TEGRA && CPUFREQ_DT

1
drivers/cpufreq/Makefile
View File

@ -79,7 +79,6 @@ obj-$(CONFIG_ARM_SCPI_CPUFREQ) += scpi-cpufreq.o
obj-$(CONFIG_ARM_SPEAR_CPUFREQ) += spear-cpufreq.o
obj-$(CONFIG_ARM_STI_CPUFREQ) += sti-cpufreq.o
obj-$(CONFIG_ARM_ALLWINNER_SUN50I_CPUFREQ_NVMEM) += sun50i-cpufreq-nvmem.o
obj-$(CONFIG_ARM_TANGO_CPUFREQ) += tango-cpufreq.o
obj-$(CONFIG_ARM_TEGRA20_CPUFREQ) += tegra20-cpufreq.o
obj-$(CONFIG_ARM_TEGRA124_CPUFREQ) += tegra124-cpufreq.o
obj-$(CONFIG_ARM_TEGRA186_CPUFREQ) += tegra186-cpufreq.o

24
drivers/cpufreq/brcmstb-avs-cpufreq.c
View File

@ -597,6 +597,16 @@ unmap_base:
return ret;
}
static void brcm_avs_prepare_uninit(struct platform_device *pdev)
{
struct private_data *priv;
priv = platform_get_drvdata(pdev);
iounmap(priv->avs_intr_base);
iounmap(priv->base);
}
static int brcm_avs_cpufreq_init(struct cpufreq_policy *policy)
{
struct cpufreq_frequency_table *freq_table;
@ -732,21 +742,21 @@ static int brcm_avs_cpufreq_probe(struct platform_device *pdev)
brcm_avs_driver.driver_data = pdev;
return cpufreq_register_driver(&brcm_avs_driver);
ret = cpufreq_register_driver(&brcm_avs_driver);
if (ret)
brcm_avs_prepare_uninit(pdev);
return ret;
}
static int brcm_avs_cpufreq_remove(struct platform_device *pdev)
{
struct private_data *priv;
int ret;
ret = cpufreq_unregister_driver(&brcm_avs_driver);
if (ret)
return ret;
WARN_ON(ret);
priv = platform_get_drvdata(pdev);
iounmap(priv->base);
iounmap(priv->avs_intr_base);
brcm_avs_prepare_uninit(pdev);
return 0;
}

2
drivers/cpufreq/cpufreq-dt-platdev.c
View File

@ -141,8 +141,6 @@ static const struct of_device_id blacklist[] __initconst = {
{ .compatible = "st,stih410", },
{ .compatible = "st,stih418", },
{ .compatible = "sigma,tango4", },
{ .compatible = "ti,am33xx", },
{ .compatible = "ti,am43", },
{ .compatible = "ti,dra7", },

6
drivers/cpufreq/qcom-cpufreq-hw.c
View File

@ -347,6 +347,12 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
dev_pm_opp_of_register_em(cpu_dev, policy->cpus);
if (policy_has_boost_freq(policy)) {
ret = cpufreq_enable_boost_support();
if (ret)
dev_warn(cpu_dev, "failed to enable boost: %d\n", ret);
}
return 0;
error:
devm_iounmap(dev, base);

38
drivers/cpufreq/tango-cpufreq.c
View File

@ -1,38 +0,0 @@
#include <linux/of.h>
#include <linux/cpu.h>
#include <linux/clk.h>
#include <linux/pm_opp.h>
#include <linux/platform_device.h>
static const struct of_device_id machines[] __initconst = {
{ .compatible = "sigma,tango4" },
{ /* sentinel */ }
};
static int __init tango_cpufreq_init(void)
{
struct device *cpu_dev = get_cpu_device(0);
unsigned long max_freq;
struct clk *cpu_clk;
void *res;
if (!of_match_node(machines, of_root))
return -ENODEV;
cpu_clk = clk_get(cpu_dev, NULL);
if (IS_ERR(cpu_clk))
return -ENODEV;
max_freq = clk_get_rate(cpu_clk);
dev_pm_opp_add(cpu_dev, max_freq / 1, 0);
dev_pm_opp_add(cpu_dev, max_freq / 2, 0);
dev_pm_opp_add(cpu_dev, max_freq / 3, 0);
dev_pm_opp_add(cpu_dev, max_freq / 5, 0);
dev_pm_opp_add(cpu_dev, max_freq / 9, 0);
res = platform_device_register_data(NULL, "cpufreq-dt", -1, NULL, 0);
return PTR_ERR_OR_ZERO(res);
}
device_initcall(tango_cpufreq_init);

45
drivers/cpufreq/tegra20-cpufreq.c
View File

@ -32,6 +32,16 @@ static bool cpu0_node_has_opp_v2_prop(void)
return ret;
}
static void tegra20_cpufreq_put_supported_hw(void *opp_table)
{
dev_pm_opp_put_supported_hw(opp_table);
}
static void tegra20_cpufreq_dt_unregister(void *cpufreq_dt)
{
platform_device_unregister(cpufreq_dt);
}
static int tegra20_cpufreq_probe(struct platform_device *pdev)
{
struct platform_device *cpufreq_dt;
@ -68,42 +78,31 @@ static int tegra20_cpufreq_probe(struct platform_device *pdev)
return err;
}
err = devm_add_action_or_reset(&pdev->dev,
tegra20_cpufreq_put_supported_hw,
opp_table);
if (err)
return err;
cpufreq_dt = platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
err = PTR_ERR_OR_ZERO(cpufreq_dt);
if (err) {
dev_err(&pdev->dev,
"failed to create cpufreq-dt device: %d\n", err);
goto err_put_supported_hw;
return err;
}
platform_set_drvdata(pdev, cpufreq_dt);
return 0;
err_put_supported_hw:
dev_pm_opp_put_supported_hw(opp_table);
return err;
}
static int tegra20_cpufreq_remove(struct platform_device *pdev)
{
struct platform_device *cpufreq_dt;
struct opp_table *opp_table;
cpufreq_dt = platform_get_drvdata(pdev);
platform_device_unregister(cpufreq_dt);
opp_table = dev_pm_opp_get_opp_table(get_cpu_device(0));
dev_pm_opp_put_supported_hw(opp_table);
dev_pm_opp_put_opp_table(opp_table);
err = devm_add_action_or_reset(&pdev->dev,
tegra20_cpufreq_dt_unregister,
cpufreq_dt);
if (err)
return err;
return 0;
}
static struct platform_driver tegra20_cpufreq_driver = {
.probe = tegra20_cpufreq_probe,
.remove = tegra20_cpufreq_remove,
.driver = {
.name = "tegra20-cpufreq",
},