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authorDmitry Osipenko <digetx@gmail.com>2021-07-19 00:27:05 +0300
committerThierry Reding <treding@nvidia.com>2021-08-11 12:51:39 +0300
commit9c93ccfc86f2cdeab8a34408759abad594e439b9 (patch)
tree35ffbc7de3594e3b3548e0733ea13887e578c6bd /include/soc
parent158a9b47a491dd73e73a306e962d4c9a01270132 (diff)
downloadlinux-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.h6
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__ */