This is a note to let you know that I've just added the patch titled
ARM: dts: imx6: Use gpc for FEC interrupt controller to fix wake on LAN.
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-dts-imx6-use-gpc-for-fec-interrupt-controller-to-fix-wake-on-lan.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4141f1a40fc0789f6fd4330e171e1edf155426aa Mon Sep 17 00:00:00 2001
From: Martin Fuzzey <martin.fuzzey@flowbird.group>
Date: Thu, 2 Apr 2020 15:51:28 +0200
Subject: ARM: dts: imx6: Use gpc for FEC interrupt controller to fix wake on LAN.
From: Martin Fuzzey <martin.fuzzey@flowbird.group>
commit 4141f1a40fc0789f6fd4330e171e1edf155426aa upstream.
In order to wake from suspend by ethernet magic packets the GPC
must be used as intc does not have wakeup functionality.
But the FEC DT node currently uses interrupt-extended,
specificying intc, thus breaking WoL.
This problem is probably fallout from the stacked domain conversion
as intc used to chain to GPC.
So replace "interrupts-extended" by "interrupts" to use the default
parent which is GPC.
Fixes: b923ff6af0d5 ("ARM: imx6: convert GPC to stacked domains")
Signed-off-by: Martin Fuzzey <martin.fuzzey@flowbird.group>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx6qdl.dtsi | 5 ++---
arch/arm/boot/dts/imx6qp.dtsi | 1 -
2 files changed, 2 insertions(+), 4 deletions(-)
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -1013,9 +1013,8 @@
compatible = "fsl,imx6q-fec";
reg = <0x02188000 0x4000>;
interrupt-names = "int0", "pps";
- interrupts-extended =
- <&intc 0 118 IRQ_TYPE_LEVEL_HIGH>,
- <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <0 118 IRQ_TYPE_LEVEL_HIGH>,
+ <0 119 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6QDL_CLK_ENET>,
<&clks IMX6QDL_CLK_ENET>,
<&clks IMX6QDL_CLK_ENET_REF>;
--- a/arch/arm/boot/dts/imx6qp.dtsi
+++ b/arch/arm/boot/dts/imx6qp.dtsi
@@ -77,7 +77,6 @@
};
&fec {
- /delete-property/interrupts-extended;
interrupts = <0 118 IRQ_TYPE_LEVEL_HIGH>,
<0 119 IRQ_TYPE_LEVEL_HIGH>;
};
Patches currently in stable-queue which might be from martin.fuzzey@flowbird.group are
queue-4.19/arm-dts-imx6-use-gpc-for-fec-interrupt-controller-to-fix-wake-on-lan.patch
