linux-kernel - [PATCH] ARM: dts: nomadik: add interrupt-parent for clcd

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Message-Id: <20180115163719.1736753-1-arnd@arndb.de>
Date:   Mon, 15 Jan 2018 17:37:08 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     arm@...nel.org, Linus Walleij <linus.walleij@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, stable@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: nomadik: add interrupt-parent for clcd

The clcd device is lacking an interrupt-parent property, which makes
the interrupt unusable and shows up as a warning with the latest
dtc version:

arch/arm/boot/dts/ste-nomadik-s8815.dtb: Warning (interrupts_property): Missing interrupt-parent for /amba/clcd@...20000
arch/arm/boot/dts/ste-nomadik-nhk15.dtb: Warning (interrupts_property): Missing interrupt-parent for /amba/clcd@...20000

I looked up the old board files and found that this interrupt has
the same irqchip as all the other on-chip device, it just needs one
extra line.

Fixes: 17470b7da11c ("ARM: dts: add the CLCD LCD display to the NHK15")
Cc: stable@...r.kernel.org
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/arm/boot/dts/ste-nomadik-stn8815.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index 68aab50a73ab..733678b75b88 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -750,6 +750,7 @@
 			reg = <0x10120000 0x1000>;
 			interrupt-names = "combined";
 			interrupts = <14>;
+			interrupt-parent = <&vica>;
 			clocks = <&clcdclk>, <&hclkclcd>;
 			clock-names = "clcdclk", "apb_pclk";
 			status = "disabled";
-- 
2.9.0