From: Shawn Lin Date: Wed, 5 Feb 2025 06:15:53 +0000 (+0800) Subject: pmdomain: rockchip: Add smc call to inform firmware X-Git-Tag: v6.15-rc1~177^2~26^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58ebba35ddab4868c921f970b60a77032362ef4c;p=thirdparty%2Fkernel%2Flinux.git pmdomain: rockchip: Add smc call to inform firmware Inform firmware to keep the power domain on or off. Suggested-by: Ulf Hansson Signed-off-by: Shawn Lin Reviewed-by: Ulf Hansson Acked-by: Heiko Stuebner Link: https://lore.kernel.org/r/1738736156-119203-5-git-send-email-shawn.lin@rock-chips.com Signed-off-by: Ulf Hansson --- diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index cb0f938001382..49842f16f33d0 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -5,6 +5,7 @@ * Copyright (c) 2015 ROCKCHIP, Co. Ltd. */ +#include #include #include #include @@ -20,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -540,6 +542,7 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, struct generic_pm_domain *genpd = &pd->genpd; u32 pd_pwr_offset = pd->info->pwr_offset; bool is_on, is_mem_on = false; + struct arm_smccc_res res; if (pd->info->pwr_mask == 0) return; @@ -567,6 +570,11 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, genpd->name, is_on); return; } + + /* Inform firmware to keep this pd on or off */ + arm_smccc_smc(ROCKCHIP_SIP_SUSPEND_MODE, ROCKCHIP_SLEEP_PD_CONFIG, + pmu->info->pwr_offset + pd_pwr_offset, + pd->info->pwr_mask, on, 0, 0, 0, &res); } static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)