linux-kernel - [PATCH 4.20 52/92] arm64: dts: rockchip: enable usb-host regulators at boot on rk3328-rock64

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Message-Id: <20190218133459.606161278@linuxfoundation.org>
Date:   Mon, 18 Feb 2019 14:42:55 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dmitry Voytik <voytikd@...il.com>,
        Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH 4.20 52/92] arm64: dts: rockchip: enable usb-host regulators at boot on rk3328-rock64

4.20-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dmitry Voytik <voytikd@...il.com>

commit 26e2d7b03ea7ff254bf78305aa44dda62e70b78e upstream.

After commit ef05bcb60c1a, boot from USB drives is broken.
Fix this problem by enabling usb-host regulators during boot time.

Fixes: ef05bcb60c1a ("arm64: dts: rockchip: fix vcc_host1_5v pin assign on rk3328-rock64")
Cc: stable@...r.kernel.org
Signed-off-by: Dmitry Voytik <voytikd@...il.com>
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm64/boot/dts/rockchip/rk3328-rock64.dts |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
@@ -40,6 +40,7 @@
 		pinctrl-0 = <&usb30_host_drv>;
 		regulator-name = "vcc_host_5v";
 		regulator-always-on;
+		regulator-boot-on;
 		vin-supply = <&vcc_sys>;
 	};
 
@@ -51,6 +52,7 @@
 		pinctrl-0 = <&usb20_host_drv>;
 		regulator-name = "vcc_host1_5v";
 		regulator-always-on;
+		regulator-boot-on;
 		vin-supply = <&vcc_sys>;
 	};