From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Stach Subject: Re: [PATCH 1/2] soc: imx: gpc: ARM power domain should be always-on Date: Tue, 23 Jan 2018 14:47:36 +0100 Message-ID: <1516715256.25726.22.camel@pengutronix.de> References: <1516725734-32745-1-git-send-email-Anson.Huang@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1516725734-32745-1-git-send-email-Anson.Huang-3arQi8VN3Tc@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Anson Huang , shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, fabio.estevam-3arQi8VN3Tc@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, aisheng.dong-3arQi8VN3Tc@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Linux-imx-3arQi8VN3Tc@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.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 Reviewed-by: Lucas Stach > --- >  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 = { -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html