diff options
Diffstat (limited to 'drivers/soc/imx/pm-domains.c')
| -rw-r--r-- | drivers/soc/imx/pm-domains.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/soc/imx/pm-domains.c b/drivers/soc/imx/pm-domains.c index f75854a42054..c762accaace9 100644 --- a/drivers/soc/imx/pm-domains.c +++ b/drivers/soc/imx/pm-domains.c @@ -126,9 +126,10 @@ static int imx8_pd_power(struct generic_pm_domain *domain, bool power_on) */ while (!list_empty(&cur_domain->slave_links)) { struct gpd_link *link; - pd = container_of(cur_domain, struct imx8_pm_domain, pd); - if ((cur_domain == domain) || (!cur_domain->device_count)) { + if ((cur_domain == domain) || + ((!cur_domain->device_count) && + (atomic_read(&cur_domain->sd_count) <= 1))) { sci_err = sc_pm_set_resource_power_mode(pm_ipc_handle, pd->rsrc_id, (pd_state) ? SC_PM_PW_MODE_OFF : SC_PM_PW_MODE_LP); @@ -137,7 +138,8 @@ static int imx8_pd_power(struct generic_pm_domain *domain, bool power_on) pd->rsrc_id, sci_err); return -EINVAL; } - } + } else + break; list_for_each_entry(link, &cur_domain->slave_links, slave_node) master = link->master; @@ -147,7 +149,9 @@ static int imx8_pd_power(struct generic_pm_domain *domain, bool power_on) /* Fix the state for the top parent or a node that has no slave domains */ pd = container_of(cur_domain, struct imx8_pm_domain, pd); if ((cur_domain == domain) || - ((pd->rsrc_id != SC_R_NONE) && (!cur_domain->device_count))) { + ((pd->rsrc_id != SC_R_NONE) && + (!cur_domain->device_count) && + (atomic_read(&cur_domain->sd_count) <= 1))) { sci_err = sc_pm_set_resource_power_mode(pm_ipc_handle, pd->rsrc_id, (pd_state) ? SC_PM_PW_MODE_OFF : SC_PM_PW_MODE_LP); |