Re: [PATCH v4 1/5] PM: domains: Allow devices attached to genpd to be managed by HW

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



[...]

> +
> +/**
> + * dev_pm_genpd_get_hwmode - Get the HW mode setting for the device.
> + *
> + * @dev: Device for which the current HW-mode setting should be fetched.
> + *
> + * This helper function allows consumer drivers to fetch the current HW mode
> + * setting of its the device.
> + *
> + * It is assumed that the users guarantee that the genpd wouldn't be detached
> + * while this routine is getting called.
> + */
> +bool dev_pm_genpd_get_hwmode(struct device *dev)
> +{
> +       struct generic_pm_domain *genpd;
> +
> +       genpd = dev_to_genpd_safe(dev);
> +       if (!genpd)
> +               return false;
> +
> +       if (genpd->get_hwmode_dev)
> +               return genpd->get_hwmode_dev(genpd, dev);

Not sure why I haven't spotted this before - but we should probably
assign dev_gpd_data(dev)->hw_mode here, rather than returning the
result from the callback directly.

> +
> +       return dev_gpd_data(dev)->hw_mode;
> +}
> +EXPORT_SYMBOL_GPL(dev_pm_genpd_get_hwmode);

[...]

Kind regards
Uffe




[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]

  Powered by Linux