Re: [RFC] remove support for AVR32 architecture

From: Hans-Christian Noren Egtvedt
Date: Mon Mar 27 2017 - 09:36:27 EST


Around Mon 27 Mar 2017 15:26:04 +0200 or thereabout, Boris Brezillon wrote:
> On Wed, 1 Mar 2017 21:44:26 +0100 Hans-Christian Noren Egtvedt <egtvedt@xxxxxxxxxxxx> wrote:
>> The AVR32 architecture is not keeping up with the development of the kernel,
>> and since it shares so much of the drivers with Atmel ARM SoC, it is starting
>> to hinder these drivers to develop swiftly.
>>
>> Also, all AVR32 AP7 SoC processors are end of lifed from Atmel (now
>> Microchip).
>>
>> Finally, the GCC toolchain is stuck at version 4.2.x, and has not received
>> any patches since the last release from Atmel;
>> 4.2.4-atmel.1.1.3.avr32linux.1. When building kernel v4.10, this toolchain is
>> no longer able to properly link the network stack.
>>
>> Haavard and I have came to the conclusion that we feel keeping AVR32 on life
>> support offers more obstacles for Atmel ARMs, than it gives joy to AVR32
>> users. I also suspect there are very few AVR32 users left today, if anybody
>> at all.
>>
>> I have prepared three patches in my for-linus branch in git tree
>> https://git.kernel.org/cgit/linux/kernel/git/egtvedt/linux-avr32.git
>>
>> Shortlog below, patches not inlined as they are quite large IMHO.
>>
>> I will send a formal pull request to Linus unless anybody objects loudly.
>
> Is this still planned for 4.12?

Yes, I have received no objections, only feedback to bits and pieces in
generic areas that can be removed in addition to my initial patch.

--
mvh
Hans-Christian Noren Egtvedt