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soc: rockchip: power-domain: Add support to keep domains power on

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Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Change-Id: I95d57c6652197ebf33ab1e134cba0b0c9eeddc13
This commit is contained in:
Finley Xiao
2021-11-02 20:05:42 +08:00
committed by Tao Huang
parent 57db7e6ba5
commit ad7e570f0d
1 changed files with 7 additions and 2 deletions
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9
drivers/soc/rockchip/pm_domains.c
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@@ -103,6 +103,11 @@ struct rockchip_pmu {
};
static struct rockchip_pmu *g_pmu;
static bool pm_domain_always_on;
module_param_named(always_on, pm_domain_always_on, bool, 0644);
MODULE_PARM_DESC(always_on,
"Always keep pm domains power on except for system suspend.");
static void rockchip_pmu_lock(struct rockchip_pm_domain *pd)
{
@@ -905,7 +910,7 @@ static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu,
if (pd_info->active_wakeup)
pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP;
#ifndef MODULE
if (pd_info->keepon_startup) {
if (pd_info->keepon_startup || pm_domain_always_on) {
pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
if (!rockchip_pmu_domain_is_on(pd)) {
error = rockchip_pd_power(pd, true);
@@ -1083,7 +1088,7 @@ static int __init rockchip_pd_keepon_release(void)
struct rockchip_pm_domain *pd;
int i;
if (!g_pmu)
if (!g_pmu || pm_domain_always_on)
return 0;
for (i = 0; i < g_pmu->genpd_data.num_domains; i++) {