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From: Xianwei Zhao <xianwei.zhao@amlogic.com>
To: <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-amlogic@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	"Neil Armstrong" <neil.armstrong@linaro.org>,
	Kevin Hilman <khilman@baylibre.com>,
	xianwei.zhao <xianwei.zhao@amlogic.com>
Subject: [PATCH 3/6] soc: amlogic: init power domain state
Date: Thu, 17 Aug 2023 15:11:45 +0800	[thread overview]
Message-ID: <20230817071148.510575-4-xianwei.zhao@amlogic.com> (raw)
In-Reply-To: <20230817071148.510575-1-xianwei.zhao@amlogic.com>

From: "xianwei.zhao" <xianwei.zhao@amlogic.com>

If initial power domain with 'AWAY_ON' property state is off,
turn on the power.

Signed-off-by: xianwei.zhao <xianwei.zhao@amlogic.com>
---
 drivers/genpd/amlogic/meson-secure-pwrc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/genpd/amlogic/meson-secure-pwrc.c b/drivers/genpd/amlogic/meson-secure-pwrc.c
index 76527f4946b4..3e7e3bd25d1f 100644
--- a/drivers/genpd/amlogic/meson-secure-pwrc.c
+++ b/drivers/genpd/amlogic/meson-secure-pwrc.c
@@ -55,7 +55,7 @@ static bool pwrc_secure_is_off(struct meson_secure_pwrc_domain *pwrc_domain)
 			  pwrc_domain->index, 0, 0, 0, 0) < 0)
 		pr_err("failed to get power domain status\n");
 
-	return is_off;
+	return !!is_off;
 }
 
 static int meson_secure_pwrc_off(struct generic_pm_domain *domain)
@@ -222,6 +222,9 @@ static int meson_secure_pwrc_probe(struct platform_device *pdev)
 		dom->base.power_on = meson_secure_pwrc_on;
 		dom->base.power_off = meson_secure_pwrc_off;
 
+		if (match->domains[i].is_off(dom) && (dom->base.flags & GENPD_FLAG_ALWAYS_ON))
+			meson_secure_pwrc_on(&dom->base);
+
 		pm_genpd_init(&dom->base, NULL, match->domains[i].is_off(dom));
 
 		pwrc->xlate.domains[i] = &dom->base;
-- 
2.37.1


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  parent reply	other threads:[~2023-08-17  7:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-17  7:11 [PATCH 0/6] Power: T7: add power domain driver Xianwei Zhao
2023-08-17  7:11 ` [PATCH 1/6] soc: amlogic: modify some power domains property Xianwei Zhao
2023-08-17  7:11 ` [PATCH 2/6] soc: amlogic: add driver to support power parent node Xianwei Zhao
2023-08-17  7:11 ` Xianwei Zhao [this message]
2023-08-17  7:11 ` [PATCH 4/6] dt-bindings: power: add Amlogic T7 power domains Xianwei Zhao
2023-08-19 14:20   ` Krzysztof Kozlowski
2023-08-21  9:40     ` Xianwei Zhao
2023-08-17  7:11 ` [PATCH 5/6] soc: amlogic: Add support for T7 power domains controller Xianwei Zhao
2023-08-17  7:11 ` [PATCH 6/6] arm64: dts: add support for T7 power domain controller Xianwei Zhao

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