aboutsummaryrefslogtreecommitdiff
path: root/drivers/cpufreq
diff options
context:
space:
mode:
authorRafael J. Wysocki2021-02-08 13:54:58 +0100
committerRafael J. Wysocki2021-02-08 13:54:58 +0100
commit7ac839a0a70f97e6ded82ca10e6eec77f351abce (patch)
treeb55574762916b33c6ebdded5f29d61e812561a37 /drivers/cpufreq
parent2f0531869fd22182e769b10dd6cf151861ede791 (diff)
parent7114ebffd330bfc5a95b9832a70b6bd857d26fd8 (diff)
Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
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
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/Kconfig.arm5
-rw-r--r--drivers/cpufreq/Makefile1
-rw-r--r--drivers/cpufreq/brcmstb-avs-cpufreq.c24
-rw-r--r--drivers/cpufreq/cpufreq-dt-platdev.c2
-rw-r--r--drivers/cpufreq/qcom-cpufreq-hw.c6
-rw-r--r--drivers/cpufreq/tango-cpufreq.c38
-rw-r--r--drivers/cpufreq/tegra20-cpufreq.c45
7 files changed, 45 insertions, 76 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 1f73fa75b1a0..e65e0a43be64 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -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
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index f1b7e3dd6e5d..1ab9b1536304 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -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
diff --git a/drivers/cpufreq/brcmstb-avs-cpufreq.c b/drivers/cpufreq/brcmstb-avs-cpufreq.c
index 3e31e5d28b79..4153150e20db 100644
--- a/drivers/cpufreq/brcmstb-avs-cpufreq.c
+++ b/drivers/cpufreq/brcmstb-avs-cpufreq.c
@@ -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;
}
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index bd2db0188cbb..3ba2f716fe97 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -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", },
diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 2a3b4f44488b..31903d078ba6 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -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);
diff --git a/drivers/cpufreq/tango-cpufreq.c b/drivers/cpufreq/tango-cpufreq.c
deleted file mode 100644
index 89a7f860bfe8..000000000000
--- a/drivers/cpufreq/tango-cpufreq.c
+++ /dev/null
@@ -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);
diff --git a/drivers/cpufreq/tegra20-cpufreq.c b/drivers/cpufreq/tegra20-cpufreq.c
index 8c893043953e..e8db3d75be25 100644
--- a/drivers/cpufreq/tegra20-cpufreq.c
+++ b/drivers/cpufreq/tegra20-cpufreq.c
@@ -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",
},