Hi,
On Sat, Mar 02, 2013 at 06:53:02PM +0530, Vivek Gautam wrote:
> Adding APIs to handle runtime power management on PHY
> devices. PHY consumers may need to wake-up/suspend PHYs
> when they work across autosuspend.
>
> Signed-off-by: Vivek Gautam <gautam.vi...@samsung.com>
> ---
> include/linux/usb/phy.h | 26 ++++++++++++++++++++++++++
> 1 files changed, 26 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
> index 15847cb..0fe7cac 100644
> --- a/include/linux/usb/phy.h
> +++ b/include/linux/usb/phy.h
> @@ -276,4 +276,30 @@ static inline const char *usb_phy_type_string(enum
> usb_phy_type type)
> return "UNKNOWN PHY TYPE";
> }
> }
> +
> +#define USB_PHY_AUTOPM(function) \
> +static inline int usb_phy_autopm_##function(struct usb_phy *x)
> \
> +{ \
> + if (!x || !x->dev) { \
> + dev_err(x->dev, "no PHY or attached device available\n"); \
> + return -ENODEV; \
> + } \
> + \
> + pm_runtime_##function(x->dev); \
please make the definitions explicit (not using a macro) and use:
return pm_runtime_foo();
where applicable. We don't want to return 0 if pm_runtime_get_sync()
fails.
--
balbi
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