linux-kernel - [PATCH 3.18 16/58] ARM: dts: s5pv210: add interrupt-parent for ohci

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Message-Id: <20180223170209.249397076@linuxfoundation.org>
Date:   Fri, 23 Feb 2018 19:26:15 +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, Krzysztof Kozlowski <krzk@...nel.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 3.18 16/58] ARM: dts: s5pv210: add interrupt-parent for ohci

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

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

From: Arnd Bergmann <arnd@...db.de>

commit 5c1037196b9ee75897c211972de370ed1336ec8f upstream.

The ohci-hcd node has an interrupt number but no interrupt-parent,
leading to a warning with current dtc versions:

arch/arm/boot/dts/s5pv210-aquila.dtb: Warning (interrupts_property): Missing interrupt-parent for /soc/ohci@...00000
arch/arm/boot/dts/s5pv210-goni.dtb: Warning (interrupts_property): Missing interrupt-parent for /soc/ohci@...00000
arch/arm/boot/dts/s5pv210-smdkc110.dtb: Warning (interrupts_property): Missing interrupt-parent for /soc/ohci@...00000
arch/arm/boot/dts/s5pv210-smdkv210.dtb: Warning (interrupts_property): Missing interrupt-parent for /soc/ohci@...00000
arch/arm/boot/dts/s5pv210-torbreck.dtb: Warning (interrupts_property): Missing interrupt-parent for /soc/ohci@...00000

As seen from the related exynos dts files, the ohci and ehci controllers
always share one interrupt number, and the number is the same here as
well, so setting the same interrupt-parent is the reasonable solution
here.

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/s5pv210.dtsi |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm/boot/dts/s5pv210.dtsi
+++ b/arch/arm/boot/dts/s5pv210.dtsi
@@ -461,6 +461,7 @@
 			compatible = "samsung,exynos4210-ohci";
 			reg = <0xec300000 0x100>;
 			interrupts = <23>;
+			interrupt-parent = <&vic1>;
 			clocks = <&clocks CLK_USB_HOST>;
 			clock-names = "usbhost";
 			#address-cells = <1>;