Messages in this thread Patch in this message | | | From | Tony Lindgren <> | Subject | [PATCH 1/2] phy: core: Add phy_pm_runtime_enabled | Date | Sat, 17 Nov 2018 05:37:54 -0800 |
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The phy driver may need to check phy_pm_runtime_enabled() in suspend as PM runtime for phy may be already disabled when phy power_off() is called.
Cc: Pavel Machek <pavel@ucw.cz> Cc: Sebastian Reichel <sre@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com> --- drivers/phy/phy-core.c | 9 +++++++++ include/linux/phy/phy.h | 6 ++++++ 2 files changed, 15 insertions(+)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -209,6 +209,15 @@ int phy_pm_runtime_put_sync(struct phy *phy) } EXPORT_SYMBOL_GPL(phy_pm_runtime_put_sync); +bool phy_pm_runtime_enabled(struct phy *phy) +{ + if (!phy) + return false; + + return pm_runtime_enabled(&phy->dev); +} +EXPORT_SYMBOL_GPL(phy_pm_runtime_enabled); + void phy_pm_runtime_allow(struct phy *phy) { if (!phy) diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -158,6 +158,7 @@ int phy_pm_runtime_get(struct phy *phy); int phy_pm_runtime_get_sync(struct phy *phy); int phy_pm_runtime_put(struct phy *phy); int phy_pm_runtime_put_sync(struct phy *phy); +bool phy_pm_runtime_enabled(struct phy *phy); void phy_pm_runtime_allow(struct phy *phy); void phy_pm_runtime_forbid(struct phy *phy); int phy_init(struct phy *phy); @@ -240,6 +241,11 @@ static inline int phy_pm_runtime_put_sync(struct phy *phy) return -ENOSYS; } +static inline bool phy_pm_runtime_enabled(struct phy *phy) +{ + return false +} + static inline void phy_pm_runtime_allow(struct phy *phy) { return; -- 2.19.1
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