From: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> commit da3f62466e5afc752f8b72146bbc4700dbba5a9f upstream. ISA node is required by Loongson64 platforms to initialize PIO support. Kernel will hang at boot without ISA node. Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) --- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi +++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi @@ -52,6 +52,13 @@ 0 0x40000000 0 0x40000000 0 0x40000000 0xfe 0x00000000 0xfe 0x00000000 0 0x40000000>; + isa@18000000 { + compatible = "isa"; + #size-cells = <1>; + #address-cells = <2>; + ranges = <1 0x0 0x0 0x18000000 0x4000>; + }; + pm: reset-controller@1fe07000 { compatible = "loongson,ls2k-pm"; reg = <0 0x1fe07000 0 0x422>; Patches currently in stable-queue which might be from jiaxun.yang@xxxxxxxxxxx are queue-6.10/mips-loongson64-reset-prioritise-firmware-service.patch queue-6.10/mips-loongson64-remove-memory-node-for-builtin-dtb.patch queue-6.10/mips-fix-fallback-march-for-sb1.patch queue-6.10/mips-ip30-ip30-console-add-missing-include.patch queue-6.10/mips-loongson64-test-register-availability-before-use.patch queue-6.10/platform-mips-cpu_hwmon-disable-driver-on-unsupported-hardware.patch queue-6.10/mips-dts-loongson-add-isa-node.patch queue-6.10/mips-dts-loongson-fix-gmac-phy-node.patch queue-6.10/mips-loongson64-env-hook-up-loongsson-2k.patch