linux-kernel - Re: [PATCH 1/2] phy: core: Add phy_pm_runtime

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Date:   Sat, 17 Nov 2018 16:38:45 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-omap@...r.kernel.org, Pavel Machek <pavel@....cz>,
        Sebastian Reichel <sre@...nel.org>
Subject: Re: [PATCH 1/2] phy: core: Add phy_pm_runtime_enabled

On Sat, Nov 17, 2018 at 05:37:54AM -0800, Tony Lindgren wrote:
> 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@....cz>
> Cc: Sebastian Reichel <sre@...nel.org>
> Signed-off-by: Tony Lindgren <tony@...mide.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

> 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

Missing semicolon.

> +}
> +
>  static inline void phy_pm_runtime_allow(struct phy *phy)
>  {
>  	return;

Johan