Re: [PATCH 1/2] soc: imx: gpc: ARM power domain should be always-on

[Lucas Stach <l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]

Am Mittwoch, den 24.01.2018, 00:42 +0800 schrieb Anson Huang:
> ARM power domain does NOT support runtime off, always-on
> flag should be set to avoid incorrect power state in
> pm_genpd_summary:
> 
> Before:
> 
> root@imx6qpdlsolox:~# cat /sys/kernel/debug/pm_genpd/pm_genpd_summary
> domain                          status          slaves
>     /device                                             runtime status
> ----------------------------------------------------------------------
> ARM                             off-0
> 
> After:
> 
> root@imx6qpdlsolox:~# cat /sys/kernel/debug/pm_genpd/pm_genpd_summary
> domain                          status          slaves
>     /device                                             runtime status
> ----------------------------------------------------------------------
> ARM                             on
> 
> Signed-off-by: Anson Huang <Anson.Huang-3arQi8VN3Tc@public.gmane.org>

Reviewed-by: Lucas Stach <l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>

> ---
>  drivers/soc/imx/gpc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
> index 53f7275..6cafa9b 100644
> --- a/drivers/soc/imx/gpc.c
> +++ b/drivers/soc/imx/gpc.c
> @@ -254,6 +254,7 @@ static struct imx_pm_domain imx_gpc_domains[] = {
> >  	{
> >  		.base = {
> >  			.name = "ARM",
> > +			.flags = GENPD_FLAG_ALWAYS_ON,
> >  		},
> >  	}, {
> >  		.base = {
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