From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: [PATCH 1/2] phy: core: Add phy_pm_runtime_enabled Date: Sat, 17 Nov 2018 05:37:54 -0800 Message-ID: <20181117133755.9129-2-tony@atomide.com> References: <20181117133755.9129-1-tony@atomide.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20181117133755.9129-1-tony@atomide.com> Sender: linux-kernel-owner@vger.kernel.org To: Kishon Vijay Abraham I Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-omap@vger.kernel.org, Pavel Machek , Sebastian Reichel List-Id: linux-omap@vger.kernel.org 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 Cc: Sebastian Reichel Signed-off-by: Tony Lindgren --- 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