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author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-09 00:29:00 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-09 00:29:00 +0300 |
commit | 507f811f205c17fd6f64e8d34d4bf91cd01b07a2 (patch) | |
tree | 72f4abfa45964c4cb4f06cdaaf463fd84e5e7581 /drivers/devfreq | |
parent | 033c88d58b66a5bf61a9a4f0029c4fb771f0555e (diff) | |
parent | c3f834df191ac2e5e58c215b9110e7e19553100f (diff) | |
download | linux-507f811f205c17fd6f64e8d34d4bf91cd01b07a2.tar.xz |
Merge tag 'pm-5.20-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are ARM cpufreq updates and operating performance points (OPP)
updates plus one cpuidle update adding a new trace point.
Specifics:
- Fix return error code in mtk_cpu_dvfs_info_init (Yang Yingliang).
- Minor cleanups and support for new boards for Qcom cpufreq drivers
(Bryan O'Donoghue, Konrad Dybcio, Pierre Gondois, and Yicong Yang).
- Fix sparse warnings for Tegra cpufreq driver (Viresh Kumar).
- Make dev_pm_opp_set_regulators() accept NULL terminated list
(Viresh Kumar).
- Add dev_pm_opp_set_config() and friends and migrate other users and
helpers to using them (Viresh Kumar).
- Add support for multiple clocks for a device (Viresh Kumar and
Krzysztof Kozlowski).
- Configure resources before adding OPP table for Venus (Stanimir
Varbanov).
- Keep reference count up for opp->np and opp_table->np while they
are still in use (Liang He).
- Minor OPP cleanups (Viresh Kumar and Yang Li).
- Add a trace event for cpuidle to track missed (too deep or too
shallow) wakeups (Kajetan Puchalski)"
* tag 'pm-5.20-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (55 commits)
cpuidle: Add cpu_idle_miss trace event
venus: pm_helpers: Fix warning in OPP during probe
OPP: Don't drop opp->np reference while it is still in use
OPP: Don't drop opp_table->np reference while it is still in use
cpufreq: tegra194: Staticize struct tegra_cpufreq_soc instances
dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM6375 compatible
dt-bindings: opp: Add msm8939 to the compatible list
dt-bindings: opp: Add missing compat devices
dt-bindings: opp: opp-v2-kryo-cpu: Fix example binding checks
cpufreq: Change order of online() CB and policy->cpus modification
cpufreq: qcom-hw: Remove deprecated irq_set_affinity_hint() call
cpufreq: qcom-hw: Disable LMH irq when disabling policy
cpufreq: qcom-hw: Reset cancel_throttle when policy is re-enabled
cpufreq: qcom-cpufreq-hw: use HZ_PER_KHZ macro in units.h
cpufreq: mediatek: fix error return code in mtk_cpu_dvfs_info_init()
OPP: Remove dev{m}_pm_opp_of_add_table_noclk()
PM / devfreq: tegra30: Register config_clks helper
OPP: Allow config_clks helper for single clk case
OPP: Provide a simple implementation to configure multiple clocks
OPP: Assert clk_count == 1 for single clk helpers
...
Diffstat (limited to 'drivers/devfreq')
-rw-r--r-- | drivers/devfreq/exynos-bus.c | 21 | ||||
-rw-r--r-- | drivers/devfreq/tegra30-devfreq.c | 22 |
2 files changed, 27 insertions, 16 deletions
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c index f7dcc44f9414..027e8f336acc 100644 --- a/drivers/devfreq/exynos-bus.c +++ b/drivers/devfreq/exynos-bus.c @@ -33,7 +33,7 @@ struct exynos_bus { unsigned long curr_freq; - struct opp_table *opp_table; + int opp_token; struct clk *clk; unsigned int ratio; }; @@ -161,8 +161,7 @@ static void exynos_bus_exit(struct device *dev) dev_pm_opp_of_remove_table(dev); clk_disable_unprepare(bus->clk); - dev_pm_opp_put_regulators(bus->opp_table); - bus->opp_table = NULL; + dev_pm_opp_put_regulators(bus->opp_token); } static void exynos_bus_passive_exit(struct device *dev) @@ -179,18 +178,16 @@ static int exynos_bus_parent_parse_of(struct device_node *np, struct exynos_bus *bus) { struct device *dev = bus->dev; - struct opp_table *opp_table; - const char *vdd = "vdd"; + const char *supplies[] = { "vdd", NULL }; int i, ret, count, size; - opp_table = dev_pm_opp_set_regulators(dev, &vdd, 1); - if (IS_ERR(opp_table)) { - ret = PTR_ERR(opp_table); + ret = dev_pm_opp_set_regulators(dev, supplies); + if (ret < 0) { dev_err(dev, "failed to set regulators %d\n", ret); return ret; } - bus->opp_table = opp_table; + bus->opp_token = ret; /* * Get the devfreq-event devices to get the current utilization of @@ -236,8 +233,7 @@ static int exynos_bus_parent_parse_of(struct device_node *np, return 0; err_regulator: - dev_pm_opp_put_regulators(bus->opp_table); - bus->opp_table = NULL; + dev_pm_opp_put_regulators(bus->opp_token); return ret; } @@ -459,8 +455,7 @@ err: dev_pm_opp_of_remove_table(dev); clk_disable_unprepare(bus->clk); err_reg: - dev_pm_opp_put_regulators(bus->opp_table); - bus->opp_table = NULL; + dev_pm_opp_put_regulators(bus->opp_token); return ret; } diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c index 585a95fe2bd6..503376b894b6 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -821,6 +821,15 @@ static int devm_tegra_devfreq_init_hw(struct device *dev, return err; } +static int tegra_devfreq_config_clks_nop(struct device *dev, + struct opp_table *opp_table, + struct dev_pm_opp *opp, void *data, + bool scaling_down) +{ + /* We want to skip clk configuration via dev_pm_opp_set_opp() */ + return 0; +} + static int tegra_devfreq_probe(struct platform_device *pdev) { u32 hw_version = BIT(tegra_sku_info.soc_speedo_id); @@ -830,6 +839,13 @@ static int tegra_devfreq_probe(struct platform_device *pdev) unsigned int i; long rate; int err; + const char *clk_names[] = { "actmon", NULL }; + struct dev_pm_opp_config config = { + .supported_hw = &hw_version, + .supported_hw_count = 1, + .clk_names = clk_names, + .config_clks = tegra_devfreq_config_clks_nop, + }; tegra = devm_kzalloc(&pdev->dev, sizeof(*tegra), GFP_KERNEL); if (!tegra) @@ -874,13 +890,13 @@ static int tegra_devfreq_probe(struct platform_device *pdev) return err; } - err = devm_pm_opp_set_supported_hw(&pdev->dev, &hw_version, 1); + err = devm_pm_opp_set_config(&pdev->dev, &config); if (err) { - dev_err(&pdev->dev, "Failed to set supported HW: %d\n", err); + dev_err(&pdev->dev, "Failed to set OPP config: %d\n", err); return err; } - err = devm_pm_opp_of_add_table_noclk(&pdev->dev, 0); + err = devm_pm_opp_of_add_table_indexed(&pdev->dev, 0); if (err) { dev_err(&pdev->dev, "Failed to add OPP table: %d\n", err); return err; |