Arnd,
2015-11-22 21:00 GMT+01:00 Arnd Bergmann <arnd@xxxxxxxx>:
> On Sunday 22 November 2015 08:53:48 Marcin Wojtas wrote:
>> The Ethernet controller found in the Armada 38x SoC's family support
>> TCP/IP checksumming with frame sizes larger than 1600 bytes, however
>> only on port 0.
>>
>> This commit enables this feature by using 'marvell,armada-xp-neta' in
>> 'ethernet@70000' node.
>>
>> Signed-off-by: Marcin Wojtas <mw@xxxxxxxxxxxx>
>> Cc: <stable@xxxxxxxxxxxxxxx> # v3.18+
>> ---
>> arch/arm/boot/dts/armada-38x.dtsi | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
>> index c6a0e9d..b7868b2 100644
>> --- a/arch/arm/boot/dts/armada-38x.dtsi
>> +++ b/arch/arm/boot/dts/armada-38x.dtsi
>> @@ -494,7 +494,7 @@
>> };
>>
>> eth0: ethernet@70000 {
>> - compatible = "marvell,armada-370-neta";
>> + compatible = "marvell,armada-xp-neta";
>> reg = <0x70000 0x4000>;
>> interrupts-extended = <&mpic 8>;
>> clocks = <&gateclk 4>;
>>
>
> As it's clear that they are not 100% backwards compatible, please
> add a SoC specific compatible string here as well, like
>
> compatible = "marvell,armada-380-neta", "marvell,armada-xp-neta";
>
Wouldn't be one sufficient ("marvell,armada-380-neta")?
> Maybe also leave the 370 string in place.
>
Now 370 string disables ip checksum for jumbo frames, so I don't think
it's appropriate to keep it for port 0.
Best regards,
Marcin
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