[PATCH v3 4/5] soc: rockchip: power-domain: Add GENPD_FLAG_RPM_ALWAYS_ON support

[Shawn Lin <shawn.lin@rock-chips.com>]

If low level driver claims to keep its own power domain always on,
let pd driver respect the flag of GENPD_FLAG_RPM_ALWAYS_ON.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

Changes in v3: None
Changes in v2: None

 drivers/pmdomain/rockchip/pm-domains.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c
index cb0f938..b2bb458 100644
--- a/drivers/pmdomain/rockchip/pm-domains.c
+++ b/drivers/pmdomain/rockchip/pm-domains.c
@@ -621,6 +621,9 @@ static int rockchip_pd_power_off(struct generic_pm_domain *domain)
 {
 	struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
 
+	if (pd->genpd.flags & GENPD_FLAG_RPM_ALWAYS_ON)
+		return 0;
+
 	return rockchip_pd_power(pd, false);
 }
 
-- 
2.7.4