mirror of
https://github.com/coolsnowwolf/lede.git
synced 2025-06-13 13:32:04 +08:00
55 lines
1.5 KiB
Diff
55 lines
1.5 KiB
Diff
Inform firmware to keep the power domain on or off.
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Suggested-by: Ulf Hansson <ulf.hansson@linaro.org>
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Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
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---
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Changes in v5:
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- fix a compile warning
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Changes in v4: None
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Changes in v3: None
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Changes in v2: None
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drivers/pmdomain/rockchip/pm-domains.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/drivers/pmdomain/rockchip/pm-domains.c
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+++ b/drivers/pmdomain/rockchip/pm-domains.c
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@@ -5,6 +5,7 @@
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* Copyright (c) 2015 ROCKCHIP, Co. Ltd.
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*/
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+#include <linux/arm-smccc.h>
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#include <linux/io.h>
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#include <linux/iopoll.h>
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#include <linux/err.h>
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@@ -20,6 +21,7 @@
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#include <linux/regmap.h>
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#include <linux/mfd/syscon.h>
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#include <soc/rockchip/pm_domains.h>
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+#include <soc/rockchip/rockchip_sip.h>
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#include <dt-bindings/power/px30-power.h>
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#include <dt-bindings/power/rockchip,rv1126-power.h>
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#include <dt-bindings/power/rk3036-power.h>
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@@ -559,6 +561,7 @@ static void rockchip_do_pmu_set_power_do
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struct generic_pm_domain *genpd = &pd->genpd;
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u32 pd_pwr_offset = pd->info->pwr_offset;
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bool is_on, is_mem_on = false;
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+ struct arm_smccc_res res;
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if (pd->info->pwr_mask == 0)
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return;
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@@ -586,6 +589,11 @@ static void rockchip_do_pmu_set_power_do
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genpd->name, is_on);
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return;
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}
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+
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+ /* Inform firmware to keep this pd on or off */
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+ arm_smccc_smc(ROCKCHIP_SIP_SUSPEND_MODE, ROCKCHIP_SLEEP_PD_CONFIG,
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+ pmu->info->pwr_offset + pd_pwr_offset,
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+ pd->info->pwr_mask, on, 0, 0, 0, &res);
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}
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static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)
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