linux-kernel - [PATCH 4.17 17/97] ARM: dts: imx6sx: fix irq for pcie bridge

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Message-Id: <20180814171433.842830341@linuxfoundation.org>
Date:   Tue, 14 Aug 2018 19:16:29 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Oleksij Rempel <o.rempel@...gutronix.de>,
        Lucas Stach <l.stach@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Amit Pundir <amit.pundir@...aro.org>
Subject: [PATCH 4.17 17/97] ARM: dts: imx6sx: fix irq for pcie bridge

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

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

From: Oleksij Rempel <o.rempel@...gutronix.de>

commit 1bcfe0564044be578841744faea1c2f46adc8178 upstream.

Use the correct IRQ line for the MSI controller in the PCIe host
controller. Apparently a different IRQ line is used compared to other
i.MX6 variants. Without this change MSI IRQs aren't properly propagated
to the upstream interrupt controller.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
Reviewed-by: Lucas Stach <l.stach@...gutronix.de>
Fixes: b1d17f68e5c5 ("ARM: dts: imx: add initial imx6sx device tree source")
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Amit Pundir <amit.pundir@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/imx6sx.dtsi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -1351,7 +1351,7 @@
 			ranges = <0x81000000 0 0          0x08f80000 0 0x00010000 /* downstream I/O */
 				  0x82000000 0 0x08000000 0x08000000 0 0x00f00000>; /* non-prefetchable memory */
 			num-lanes = <1>;
-			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
 			interrupt-names = "msi";
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 0x7>;