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| author | Dmitry Osipenko <digetx@gmail.com> | 2021-07-19 00:27:05 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2021-08-11 12:51:39 +0300 |
| commit | 9c93ccfc86f2cdeab8a34408759abad594e439b9 (patch) | |
| tree | 35ffbc7de3594e3b3548e0733ea13887e578c6bd /include/soc | |
| parent | 158a9b47a491dd73e73a306e962d4c9a01270132 (diff) | |
| download | linux-9c93ccfc86f2cdeab8a34408759abad594e439b9.tar.xz | |
soc/tegra: pmc: Prevent racing with cpuilde driver
Both PMC and cpuidle drivers are probed at the same init level and
cpuidle depends on the PMC suspend mode. Add new default suspend mode
that indicates whether PMC driver has been probed and reset the mode in
a case of deferred probe of the PMC driver.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'include/soc')
| -rw-r--r-- | include/soc/tegra/pm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/soc/tegra/pm.h b/include/soc/tegra/pm.h index 08477d7bfab9..433878927026 100644 --- a/include/soc/tegra/pm.h +++ b/include/soc/tegra/pm.h @@ -14,6 +14,7 @@ enum tegra_suspend_mode { TEGRA_SUSPEND_LP1, /* CPU voltage off, DRAM self-refresh */ TEGRA_SUSPEND_LP0, /* CPU + core voltage off, DRAM self-refresh */ TEGRA_MAX_SUSPEND_MODE, + TEGRA_SUSPEND_NOT_READY, }; #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_ARM) @@ -28,6 +29,7 @@ void tegra_pm_clear_cpu_in_lp2(void); void tegra_pm_set_cpu_in_lp2(void); int tegra_pm_enter_lp2(void); int tegra_pm_park_secondary_cpu(unsigned long cpu); +void tegra_pm_init_suspend(void); #else static inline enum tegra_suspend_mode tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode) @@ -61,6 +63,10 @@ static inline int tegra_pm_park_secondary_cpu(unsigned long cpu) { return -ENOTSUPP; } + +static inline void tegra_pm_init_suspend(void) +{ +} #endif /* CONFIG_PM_SLEEP */ #endif /* __SOC_TEGRA_PM_H__ */ |