From: Anson Huang <Anson.Huang@nxp.com>
To: shawnguo@kernel.org, kernel@pengutronix.de,
fabio.estevam@nxp.com, robh+dt@kernel.org, aisheng.dong@nxp.com,
mark.rutland@arm.com, linux@armlinux.org.uk
Cc: Linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] soc: imx: gpc: ARM power domain should be always-on
Date: Wed, 24 Jan 2018 00:42:13 +0800 [thread overview]
Message-ID: <1516725734-32745-1-git-send-email-Anson.Huang@nxp.com> (raw)
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@nxp.com>
---
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 = {
--
2.7.4
next reply other threads:[~2018-01-23 16:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-23 16:42 Anson Huang [this message]
[not found] ` <1516725734-32745-1-git-send-email-Anson.Huang-3arQi8VN3Tc@public.gmane.org>
2018-01-23 13:47 ` [PATCH 1/2] soc: imx: gpc: ARM power domain should be always-on Lucas Stach
2018-01-23 16:42 ` [PATCH 2/2] ARM: dts: imx6sx: add ARM power domain support Anson Huang
[not found] ` <1516725734-32745-2-git-send-email-Anson.Huang-3arQi8VN3Tc@public.gmane.org>
2018-01-23 13:48 ` Lucas Stach
2018-01-25 10:33 ` Dong Aisheng
2018-01-25 10:29 ` [PATCH 1/2] soc: imx: gpc: ARM power domain should be always-on Dong Aisheng
2018-02-05 6:33 ` Shawn Guo
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