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

From: Shawn Lin
Date: Tue Oct 08 2024 - 07:42:26 EST


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@xxxxxxxxxxxxxx>
---

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