On Thursday, June 22, 2017 06:08:37 PM Florian Fainelli wrote:
> Provide a target_state callback implementation which just returns the
> suspend_state_t the system is about to enter. Broadcom STB drivers can
> utilize platform_suspend_target_state() to retrieve that and take
> appropriate actions (e.g: full vs. partial re-initialization).
> 
> Signed-off-by: Florian Fainelli <[email protected]>
> ---
>  drivers/soc/bcm/brcmstb/pm/pm-arm.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c 
> b/drivers/soc/bcm/brcmstb/pm/pm-arm.c
> index 4b7e6c297b23..7d4695734093 100644
> --- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c
> +++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c
> @@ -104,6 +104,7 @@ struct brcmstb_pm_control {
>       u32 phy_b_standby_ctrl_offs;
>       bool needs_ddr_pad;
>       struct platform_device *pdev;
> +     suspend_state_t pm_state;

I wouldn't use suspend_state_t here, because the mapping between those
things and real platform power states is somewhat arbitrary and totally
platform-specific.

It's better to define symbols representing platform power states for your
platform (or use an enum) and then use those symbols in the drivers IMO.

Thanks,
Rafael

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