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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2014-03-26 00:33:58 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-06 07:55:27 -0700
commit7e297c3c0930078c08d6a0577dc60fd6fc13484c (patch)
tree684b8279eea2d494977ba0d34d500b57a502a6af /arch/arm/boot/dts
parent674ae6c7b4048c35ce8f090657dd4e2e675bf0fa (diff)
downloadlinux-linaro-stable-7e297c3c0930078c08d6a0577dc60fd6fc13484c.tar.gz
ARM: mvebu: ensure the mdio node has a clock reference on Armada 370/XP
commit a6e03dd451c724f785277d8ecca5d1a0b886d892 upstream. The mvmdio driver accesses some register of the Ethernet unit. It therefore takes a reference and enables a clock. However, on Armada 370/XP, no clock specification was given in the Device Tree, which leads the mvmdio driver to fail when being used as a module and loaded before the mvneta driver: it tries to access a register from a hardware unit that isn't clocked. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Link: https://lkml.kernel.org/r/1395790439-21332-2-git-send-email-thomas.petazzoni@free-electrons.com Acked-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/boot/dts')
-rw-r--r--arch/arm/boot/dts/armada-370-xp.dtsi1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 4d12d2347c15..ddd068bb1457 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -92,6 +92,7 @@
#size-cells = <0>;
compatible = "marvell,orion-mdio";
reg = <0x72004 0x4>;
+ clocks = <&gateclk 4>;
};
ethernet@70000 {