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soc: imx: gpc: ARM power domain should be always-on 

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>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Anson Huang 2018-01-24 00:42:13 +08:00 committed by Shawn Guo
parent 7928b2cbe5
commit f40a1e3705
1 changed files with 1 additions and 0 deletions
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drivers/soc/imx/gpc.c
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@ -254,6 +254,7 @@ static struct imx_pm_domain imx_gpc_domains[] = {
{
.base = {
.name = "ARM",
.flags = GENPD_FLAG_ALWAYS_ON,
},
}, {
.base = {