* Re: [RFC] remove support for AVR32 architecture
2017-03-01 20:44 [RFC] remove support for AVR32 architecture Hans-Christian Noren Egtvedt
@ 2017-03-01 21:43 ` Andy Shevchenko
2017-03-01 21:55 ` Boris Brezillon
` (3 subsequent siblings)
4 siblings, 0 replies; 13+ messages in thread
From: Andy Shevchenko @ 2017-03-01 21:43 UTC (permalink / raw)
To: Hans-Christian Noren Egtvedt
Cc: linux-kernel, Haavard Skinnemoen, Nicolas Ferre, Boris Brezillon,
Linus Torvalds
On Wed, Mar 1, 2017 at 10:44 PM, Hans-Christian Noren Egtvedt
<egtvedt@samfundet.no> wrote:
> Hello all,
>
> 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.
For the record Buildroot distribution removed support back to 2015 IIRC.
commit 80be8753d5bacc865ceeee26c55bf4b0c2940e10
Author: Yann E. MORIN <yann.morin.1998@free.fr>
Date: Sat Feb 14 10:23:15 2015 +0100
arch/avr32: decommission for real
OTOH U-Boot still has it, but I didn't check if it even compiles.
> 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.
>
> I have also prepare patches for removing AVR32 specific kernel drivers, I
> will send those to the relevant subsystem maintainers.
>
Eager to give my
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
since it's a real burden and ugliness in drivers/dma/dw/core.c due to AVR32.
> Hans-Christian Noren Egtvedt (3):
> avr32: remove support for AVR32 architecture
> docs: remove all references to AVR32 architecture
> scripts: remove AVR32 support from checkstack.pl
>
> CREDITS | 8 +
> Documentation/admin-guide/README.rst | 2 +-
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> Documentation/media/v4l-drivers/soc-camera.rst | 2 +-
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> .../avr32/configs/atngw100mkii_evklcd100_defconfig | 161 --
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> delete mode 100644 arch/avr32/include/asm/current.h
> delete mode 100644 arch/avr32/include/asm/dma-mapping.h
> delete mode 100644 arch/avr32/include/asm/dma.h
> delete mode 100644 arch/avr32/include/asm/elf.h
> delete mode 100644 arch/avr32/include/asm/fb.h
> delete mode 100644 arch/avr32/include/asm/ftrace.h
> delete mode 100644 arch/avr32/include/asm/gpio.h
> delete mode 100644 arch/avr32/include/asm/hardirq.h
> delete mode 100644 arch/avr32/include/asm/hw_irq.h
> delete mode 100644 arch/avr32/include/asm/io.h
> delete mode 100644 arch/avr32/include/asm/irq.h
> delete mode 100644 arch/avr32/include/asm/irqflags.h
> delete mode 100644 arch/avr32/include/asm/kdebug.h
> delete mode 100644 arch/avr32/include/asm/kmap_types.h
> delete mode 100644 arch/avr32/include/asm/kprobes.h
> delete mode 100644 arch/avr32/include/asm/linkage.h
> delete mode 100644 arch/avr32/include/asm/mmu.h
> delete mode 100644 arch/avr32/include/asm/mmu_context.h
> delete mode 100644 arch/avr32/include/asm/module.h
> delete mode 100644 arch/avr32/include/asm/ocd.h
> delete mode 100644 arch/avr32/include/asm/page.h
> delete mode 100644 arch/avr32/include/asm/pci.h
> delete mode 100644 arch/avr32/include/asm/pgalloc.h
> delete mode 100644 arch/avr32/include/asm/pgtable-2level.h
> delete mode 100644 arch/avr32/include/asm/pgtable.h
> delete mode 100644 arch/avr32/include/asm/processor.h
> delete mode 100644 arch/avr32/include/asm/ptrace.h
> delete mode 100644 arch/avr32/include/asm/serial.h
> delete mode 100644 arch/avr32/include/asm/setup.h
> delete mode 100644 arch/avr32/include/asm/shmparam.h
> delete mode 100644 arch/avr32/include/asm/signal.h
> delete mode 100644 arch/avr32/include/asm/string.h
> delete mode 100644 arch/avr32/include/asm/switch_to.h
> delete mode 100644 arch/avr32/include/asm/syscalls.h
> delete mode 100644 arch/avr32/include/asm/sysreg.h
> delete mode 100644 arch/avr32/include/asm/termios.h
> delete mode 100644 arch/avr32/include/asm/thread_info.h
> delete mode 100644 arch/avr32/include/asm/timex.h
> delete mode 100644 arch/avr32/include/asm/tlb.h
> delete mode 100644 arch/avr32/include/asm/tlbflush.h
> delete mode 100644 arch/avr32/include/asm/traps.h
> delete mode 100644 arch/avr32/include/asm/types.h
> delete mode 100644 arch/avr32/include/asm/uaccess.h
> delete mode 100644 arch/avr32/include/asm/ucontext.h
> delete mode 100644 arch/avr32/include/asm/unaligned.h
> delete mode 100644 arch/avr32/include/asm/unistd.h
> delete mode 100644 arch/avr32/include/asm/user.h
> delete mode 100644 arch/avr32/include/uapi/asm/Kbuild
> delete mode 100644 arch/avr32/include/uapi/asm/auxvec.h
> delete mode 100644 arch/avr32/include/uapi/asm/byteorder.h
> delete mode 100644 arch/avr32/include/uapi/asm/cachectl.h
> delete mode 100644 arch/avr32/include/uapi/asm/msgbuf.h
> delete mode 100644 arch/avr32/include/uapi/asm/posix_types.h
> delete mode 100644 arch/avr32/include/uapi/asm/ptrace.h
> delete mode 100644 arch/avr32/include/uapi/asm/sembuf.h
> delete mode 100644 arch/avr32/include/uapi/asm/setup.h
> delete mode 100644 arch/avr32/include/uapi/asm/shmbuf.h
> delete mode 100644 arch/avr32/include/uapi/asm/sigcontext.h
> delete mode 100644 arch/avr32/include/uapi/asm/signal.h
> delete mode 100644 arch/avr32/include/uapi/asm/socket.h
> delete mode 100644 arch/avr32/include/uapi/asm/sockios.h
> delete mode 100644 arch/avr32/include/uapi/asm/stat.h
> delete mode 100644 arch/avr32/include/uapi/asm/swab.h
> delete mode 100644 arch/avr32/include/uapi/asm/termbits.h
> delete mode 100644 arch/avr32/include/uapi/asm/termios.h
> delete mode 100644 arch/avr32/include/uapi/asm/types.h
> delete mode 100644 arch/avr32/include/uapi/asm/unistd.h
> delete mode 100644 arch/avr32/kernel/.gitignore
> delete mode 100644 arch/avr32/kernel/Makefile
> delete mode 100644 arch/avr32/kernel/asm-offsets.c
> delete mode 100644 arch/avr32/kernel/avr32_ksyms.c
> delete mode 100644 arch/avr32/kernel/cpu.c
> delete mode 100644 arch/avr32/kernel/entry-avr32b.S
> delete mode 100644 arch/avr32/kernel/head.S
> delete mode 100644 arch/avr32/kernel/irq.c
> delete mode 100644 arch/avr32/kernel/kprobes.c
> delete mode 100644 arch/avr32/kernel/module.c
> delete mode 100644 arch/avr32/kernel/nmi_debug.c
> delete mode 100644 arch/avr32/kernel/ocd.c
> delete mode 100644 arch/avr32/kernel/process.c
> delete mode 100644 arch/avr32/kernel/ptrace.c
> delete mode 100644 arch/avr32/kernel/setup.c
> delete mode 100644 arch/avr32/kernel/signal.c
> delete mode 100644 arch/avr32/kernel/stacktrace.c
> delete mode 100644 arch/avr32/kernel/switch_to.S
> delete mode 100644 arch/avr32/kernel/syscall-stubs.S
> delete mode 100644 arch/avr32/kernel/syscall_table.S
> delete mode 100644 arch/avr32/kernel/time.c
> delete mode 100644 arch/avr32/kernel/traps.c
> delete mode 100644 arch/avr32/kernel/vmlinux.lds.S
> delete mode 100644 arch/avr32/lib/Makefile
> delete mode 100644 arch/avr32/lib/__avr32_asr64.S
> delete mode 100644 arch/avr32/lib/__avr32_lsl64.S
> delete mode 100644 arch/avr32/lib/__avr32_lsr64.S
> delete mode 100644 arch/avr32/lib/clear_user.S
> delete mode 100644 arch/avr32/lib/copy_user.S
> delete mode 100644 arch/avr32/lib/csum_partial.S
> delete mode 100644 arch/avr32/lib/csum_partial_copy_generic.S
> delete mode 100644 arch/avr32/lib/delay.c
> delete mode 100644 arch/avr32/lib/findbit.S
> delete mode 100644 arch/avr32/lib/io-readsb.S
> delete mode 100644 arch/avr32/lib/io-readsl.S
> delete mode 100644 arch/avr32/lib/io-readsw.S
> delete mode 100644 arch/avr32/lib/io-writesb.S
> delete mode 100644 arch/avr32/lib/io-writesl.S
> delete mode 100644 arch/avr32/lib/io-writesw.S
> delete mode 100644 arch/avr32/lib/memcpy.S
> delete mode 100644 arch/avr32/lib/memset.S
> delete mode 100644 arch/avr32/lib/strncpy_from_user.S
> delete mode 100644 arch/avr32/lib/strnlen_user.S
> delete mode 100644 arch/avr32/mach-at32ap/Kconfig
> delete mode 100644 arch/avr32/mach-at32ap/Makefile
> delete mode 100644 arch/avr32/mach-at32ap/at32ap700x.c
> delete mode 100644 arch/avr32/mach-at32ap/clock.c
> delete mode 100644 arch/avr32/mach-at32ap/clock.h
> delete mode 100644 arch/avr32/mach-at32ap/extint.c
> delete mode 100644 arch/avr32/mach-at32ap/hmatrix.c
> delete mode 100644 arch/avr32/mach-at32ap/hsmc.c
> delete mode 100644 arch/avr32/mach-at32ap/hsmc.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/at32ap700x.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/board.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/chip.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/cpu.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/gpio.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/hmatrix.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/init.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/io.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/irq.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/pm.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/portmux.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/smc.h
> delete mode 100644 arch/avr32/mach-at32ap/include/mach/sram.h
> delete mode 100644 arch/avr32/mach-at32ap/intc.c
> delete mode 100644 arch/avr32/mach-at32ap/intc.h
> delete mode 100644 arch/avr32/mach-at32ap/pdc.c
> delete mode 100644 arch/avr32/mach-at32ap/pio.c
> delete mode 100644 arch/avr32/mach-at32ap/pio.h
> delete mode 100644 arch/avr32/mach-at32ap/pm-at32ap700x.S
> delete mode 100644 arch/avr32/mach-at32ap/pm.c
> delete mode 100644 arch/avr32/mach-at32ap/pm.h
> delete mode 100644 arch/avr32/mach-at32ap/sdramc.h
> delete mode 100644 arch/avr32/mm/Makefile
> delete mode 100644 arch/avr32/mm/cache.c
> delete mode 100644 arch/avr32/mm/clear_page.S
> delete mode 100644 arch/avr32/mm/copy_page.S
> delete mode 100644 arch/avr32/mm/dma-coherent.c
> delete mode 100644 arch/avr32/mm/fault.c
> delete mode 100644 arch/avr32/mm/init.c
> delete mode 100644 arch/avr32/mm/ioremap.c
> delete mode 100644 arch/avr32/mm/tlb.c
> delete mode 100644 arch/avr32/oprofile/Makefile
> delete mode 100644 arch/avr32/oprofile/backtrace.c
> delete mode 100644 arch/avr32/oprofile/op_model_avr32.c
>
> --
> Best regards,
> Hans-Christian Noren Egtvedt
--
With Best Regards,
Andy Shevchenko
^ permalink raw reply [flat|nested] 13+ messages in thread* Re: [RFC] remove support for AVR32 architecture
2017-03-01 20:44 [RFC] remove support for AVR32 architecture Hans-Christian Noren Egtvedt
2017-03-01 21:43 ` Andy Shevchenko
@ 2017-03-01 21:55 ` Boris Brezillon
2017-03-02 15:55 ` Nicolas Ferre
` (2 subsequent siblings)
4 siblings, 0 replies; 13+ messages in thread
From: Boris Brezillon @ 2017-03-01 21:55 UTC (permalink / raw)
To: Hans-Christian Noren Egtvedt
Cc: linux-kernel, Haavard Skinnemoen, Nicolas Ferre, Linus Torvalds
On Wed, 1 Mar 2017 21:44:26 +0100
Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> wrote:
> Hello all,
>
> 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.
Thanks a lot for doing that.
>
> 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
Not sure it has any value since I'm not the maintainer of this platform,
but
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
^ permalink raw reply [flat|nested] 13+ messages in thread* Re: [RFC] remove support for AVR32 architecture
2017-03-01 20:44 [RFC] remove support for AVR32 architecture Hans-Christian Noren Egtvedt
2017-03-01 21:43 ` Andy Shevchenko
2017-03-01 21:55 ` Boris Brezillon
@ 2017-03-02 15:55 ` Nicolas Ferre
2017-03-06 5:58 ` Håvard Skinnemoen
2017-03-27 13:26 ` Boris Brezillon
4 siblings, 0 replies; 13+ messages in thread
From: Nicolas Ferre @ 2017-03-02 15:55 UTC (permalink / raw)
To: Hans-Christian Noren Egtvedt, linux-kernel, Haavard Skinnemoen
Cc: Boris Brezillon, Linus Torvalds
Le 01/03/2017 à 21:44, Hans-Christian Noren Egtvedt a écrit :
> Hello all,
>
> 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.
It will definitively help to remove some of the non-DT code in all our
former-common drivers.
> 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
Quick look at the patches (file path mostly) seems okay:
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
And thanks a lot to Haavard and you Hans-Christian for having developed,
more than 10 years ago, and then maintained some of the nice early
drivers that we are still using for our ARM-based platforms!
> Shortlog below, patches not inlined as they are quite large IMHO.
>
> I will send a formal pull request to Linus unless anybody objects loudly.
>
> I have also prepare patches for removing AVR32 specific kernel drivers, I
> will send those to the relevant subsystem maintainers.
>
> Hans-Christian Noren Egtvedt (3):
> avr32: remove support for AVR32 architecture
> docs: remove all references to AVR32 architecture
> scripts: remove AVR32 support from checkstack.pl
Best regards,
--
Nicolas Ferre
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC] remove support for AVR32 architecture
2017-03-01 20:44 [RFC] remove support for AVR32 architecture Hans-Christian Noren Egtvedt
` (2 preceding siblings ...)
2017-03-02 15:55 ` Nicolas Ferre
@ 2017-03-06 5:58 ` Håvard Skinnemoen
2017-03-06 19:07 ` Hans-Christian Noren Egtvedt
2017-03-27 13:26 ` Boris Brezillon
4 siblings, 1 reply; 13+ messages in thread
From: Håvard Skinnemoen @ 2017-03-06 5:58 UTC (permalink / raw)
To: Hans-Christian Noren Egtvedt
Cc: Linux Kernel, Haavard Skinnemoen, Nicolas Ferre, Boris Brezillon,
Linus Torvalds
On Wed, Mar 1, 2017 at 12:44 PM, Hans-Christian Noren Egtvedt
<egtvedt@samfundet.no> wrote:
> 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
Acked-by: Haavard Skinnemoen <hskinnemoen@gmail.com>
Thank you for keeping it alive for so long!
I looked through you tree superficially. There are a few references to
AVR32 remaining. Most of them are for other subsystems, but you could
consider picking up a couple of more for your patchset:
include/uapi/linux/elf-em.h still defines EM_AVR32. This could be
considered a part of the architecture code.
lib/Kconfig.debug has a list of architectures which want frame
pointers. You could probably remove AVR32 from that list.
mm/Kconfig has a special case for AVR32 needing two quicklists.
If you were planning to patch each of those separately later, please
ignore my comments.
Håvard
^ permalink raw reply [flat|nested] 13+ messages in thread* Re: [RFC] remove support for AVR32 architecture
2017-03-06 5:58 ` Håvard Skinnemoen
@ 2017-03-06 19:07 ` Hans-Christian Noren Egtvedt
0 siblings, 0 replies; 13+ messages in thread
From: Hans-Christian Noren Egtvedt @ 2017-03-06 19:07 UTC (permalink / raw)
To: Håvard Skinnemoen
Cc: Linux Kernel, Nicolas Ferre, Boris Brezillon, Linus Torvalds
Around Sun 05 Mar 2017 21:58:16 -0800 or thereabout, Håvard Skinnemoen wrote:
> On Wed, Mar 1, 2017 at 12:44 PM, Hans-Christian Noren Egtvedt
> <egtvedt@samfundet.no> wrote:
>> 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
>
> Acked-by: Haavard Skinnemoen <hskinnemoen@gmail.com>
>
> Thank you for keeping it alive for so long!
>
> I looked through you tree superficially. There are a few references to
> AVR32 remaining. Most of them are for other subsystems, but you could
> consider picking up a couple of more for your patchset:
>
> include/uapi/linux/elf-em.h still defines EM_AVR32. This could be
> considered a part of the architecture code.
My git grep magic did not catch this.
> lib/Kconfig.debug has a list of architectures which want frame
> pointers. You could probably remove AVR32 from that list.
Same.
Will add a patch for these two.
> mm/Kconfig has a special case for AVR32 needing two quicklists.
>
This one I have in a different series, the one I planned to push to various
maintainers after the initial removal.
> If you were planning to patch each of those separately later, please
> ignore my comments.
Partly (-:
--
mvh
Hans-Christian Noren Egtvedt
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC] remove support for AVR32 architecture
2017-03-01 20:44 [RFC] remove support for AVR32 architecture Hans-Christian Noren Egtvedt
` (3 preceding siblings ...)
2017-03-06 5:58 ` Håvard Skinnemoen
@ 2017-03-27 13:26 ` Boris Brezillon
2017-03-27 13:35 ` Hans-Christian Noren Egtvedt
4 siblings, 1 reply; 13+ messages in thread
From: Boris Brezillon @ 2017-03-27 13:26 UTC (permalink / raw)
To: Hans-Christian Noren Egtvedt
Cc: linux-kernel, Haavard Skinnemoen, Nicolas Ferre, Linus Torvalds
Hi Hans,
On Wed, 1 Mar 2017 21:44:26 +0100
Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> wrote:
> Hello all,
>
> 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?
^ permalink raw reply [flat|nested] 13+ messages in thread* Re: [RFC] remove support for AVR32 architecture
2017-03-27 13:26 ` Boris Brezillon
@ 2017-03-27 13:35 ` Hans-Christian Noren Egtvedt
2017-05-02 5:52 ` Hans-Christian Noren Egtvedt
0 siblings, 1 reply; 13+ messages in thread
From: Hans-Christian Noren Egtvedt @ 2017-03-27 13:35 UTC (permalink / raw)
To: Boris Brezillon
Cc: linux-kernel, Haavard Skinnemoen, Nicolas Ferre, Linus Torvalds
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@samfundet.no> 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
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC] remove support for AVR32 architecture
2017-03-27 13:35 ` Hans-Christian Noren Egtvedt
@ 2017-05-02 5:52 ` Hans-Christian Noren Egtvedt
2017-05-02 7:46 ` Andy Shevchenko
0 siblings, 1 reply; 13+ messages in thread
From: Hans-Christian Noren Egtvedt @ 2017-05-02 5:52 UTC (permalink / raw)
To: Boris Brezillon
Cc: linux-kernel, Haavard Skinnemoen, Nicolas Ferre, Linus Torvalds
Around Mon 27 Mar 2017 15:35:56 +0200 or thereabout, Hans-Christian Noren Egtvedt wrote:
> 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@samfundet.no> wrote:
<snipp AVR32 removal discussion>
>> 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.
Linus has merged the branch removing AVR32 architecture now.
--
mvh
Hans-Christian Noren Egtvedt
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC] remove support for AVR32 architecture
2017-05-02 5:52 ` Hans-Christian Noren Egtvedt
@ 2017-05-02 7:46 ` Andy Shevchenko
2017-05-02 8:12 ` Hans-Christian Noren Egtvedt
0 siblings, 1 reply; 13+ messages in thread
From: Andy Shevchenko @ 2017-05-02 7:46 UTC (permalink / raw)
To: Hans-Christian Noren Egtvedt
Cc: Boris Brezillon, linux-kernel, Haavard Skinnemoen, Nicolas Ferre,
Linus Torvalds
On Tue, May 2, 2017 at 8:52 AM, Hans-Christian Noren Egtvedt
<egtvedt@samfundet.no> wrote:
> Around Mon 27 Mar 2017 15:35:56 +0200 or thereabout, Hans-Christian Noren Egtvedt wrote:
>> 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@samfundet.no> wrote:
>
> <snipp AVR32 removal discussion>
>
>>> 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.
>
> Linus has merged the branch removing AVR32 architecture now.
Thanks!
Question: does it make sense / needed to Cc you on patches that are
going to remove AVR32 (related) bits in individual drivers? I suppose
I will do Cc you.
--
With Best Regards,
Andy Shevchenko
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC] remove support for AVR32 architecture
2017-05-02 7:46 ` Andy Shevchenko
@ 2017-05-02 8:12 ` Hans-Christian Noren Egtvedt
2017-05-02 8:33 ` Andy Shevchenko
0 siblings, 1 reply; 13+ messages in thread
From: Hans-Christian Noren Egtvedt @ 2017-05-02 8:12 UTC (permalink / raw)
To: Andy Shevchenko
Cc: Boris Brezillon, linux-kernel, Haavard Skinnemoen, Nicolas Ferre,
Linus Torvalds
Around Tue 02 May 2017 10:46:58 +0300 or thereabout, Andy Shevchenko wrote:
> On Tue, May 2, 2017 at 8:52 AM, Hans-Christian Noren Egtvedt
> <egtvedt@samfundet.no> wrote:
>> Around Mon 27 Mar 2017 15:35:56 +0200 or thereabout, Hans-Christian Noren Egtvedt wrote:
>>> 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@samfundet.no> wrote:
>>
>> <snipp AVR32 removal discussion>
>>
>>>> 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.
>>
>> Linus has merged the branch removing AVR32 architecture now.
>
> Thanks!
>
> Question: does it make sense / needed to Cc you on patches that are
> going to remove AVR32 (related) bits in individual drivers? I suppose
> I will do Cc you.
I do have a series already prepared at
https://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32.git/log/?h=avr32-cleanup
It does not touch DMA and Ethernet parts though.
--
Hans-Christian Noren Egtvedt
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC] remove support for AVR32 architecture
2017-05-02 8:12 ` Hans-Christian Noren Egtvedt
@ 2017-05-02 8:33 ` Andy Shevchenko
2017-05-02 11:27 ` Andy Shevchenko
0 siblings, 1 reply; 13+ messages in thread
From: Andy Shevchenko @ 2017-05-02 8:33 UTC (permalink / raw)
To: Hans-Christian Noren Egtvedt
Cc: Boris Brezillon, linux-kernel, Haavard Skinnemoen, Nicolas Ferre,
Linus Torvalds
On Tue, May 2, 2017 at 11:12 AM, Hans-Christian Noren Egtvedt
<egtvedt@samfundet.no> wrote:
> Around Tue 02 May 2017 10:46:58 +0300 or thereabout, Andy Shevchenko wrote:
>> On Tue, May 2, 2017 at 8:52 AM, Hans-Christian Noren Egtvedt
>> <egtvedt@samfundet.no> wrote:
>>> Around Mon 27 Mar 2017 15:35:56 +0200 or thereabout, Hans-Christian Noren Egtvedt wrote:
>>>> 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@samfundet.no> wrote:
>>>
>>> <snipp AVR32 removal discussion>
>>>
>>>>> 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.
>>>
>>> Linus has merged the branch removing AVR32 architecture now.
>>
>> Thanks!
>>
>> Question: does it make sense / needed to Cc you on patches that are
>> going to remove AVR32 (related) bits in individual drivers? I suppose
>> I will do Cc you.
>
> I do have a series already prepared at
> https://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32.git/log/?h=avr32-cleanup
>
> It does not touch DMA and Ethernet parts though.
I see. I will prepare than the patches I have in mind based on top of
your branch and send to mailing list soon.
--
With Best Regards,
Andy Shevchenko
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [RFC] remove support for AVR32 architecture
2017-05-02 8:33 ` Andy Shevchenko
@ 2017-05-02 11:27 ` Andy Shevchenko
0 siblings, 0 replies; 13+ messages in thread
From: Andy Shevchenko @ 2017-05-02 11:27 UTC (permalink / raw)
To: Hans-Christian Noren Egtvedt
Cc: Boris Brezillon, linux-kernel, Haavard Skinnemoen, Nicolas Ferre,
Linus Torvalds
On Tue, May 2, 2017 at 11:33 AM, Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
> On Tue, May 2, 2017 at 11:12 AM, Hans-Christian Noren Egtvedt
> <egtvedt@samfundet.no> wrote:
>> Around Tue 02 May 2017 10:46:58 +0300 or thereabout, Andy Shevchenko wrote:
>>> On Tue, May 2, 2017 at 8:52 AM, Hans-Christian Noren Egtvedt
>>> <egtvedt@samfundet.no> wrote:
>>>> Around Mon 27 Mar 2017 15:35:56 +0200 or thereabout, Hans-Christian Noren Egtvedt wrote:
>>>>> 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@samfundet.no> wrote:
>>>>
>>>> <snipp AVR32 removal discussion>
>>>>
>>>>>> 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.
>>>>
>>>> Linus has merged the branch removing AVR32 architecture now.
>>>
>>> Thanks!
>>>
>>> Question: does it make sense / needed to Cc you on patches that are
>>> going to remove AVR32 (related) bits in individual drivers? I suppose
>>> I will do Cc you.
>>
>> I do have a series already prepared at
>> https://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32.git/log/?h=avr32-cleanup
>>
>> It does not touch DMA and Ethernet parts though.
>
> I see. I will prepare than the patches I have in mind based on top of
> your branch and send to mailing list soon.
Just sent a couple of patches regarding dw_dmac use.
In your branch we still have
$ git grep -n -w CONFIG_AVR32
drivers/misc/atmel_tclib.c:20:#if defined(CONFIG_AVR32)
drivers/mmc/host/atmel-mci.c:176:#ifdef CONFIG_AVR32
drivers/spi/spi-atmel.c:228:#ifdef CONFIG_AVR32
drivers/tty/serial/atmel_serial.c:228:#ifdef CONFIG_AVR32
drivers/tty/vt/keyboard.c:1207: defined(CONFIG_AVR32)
drivers/usb/gadget/udc/atmel_usba_udc.h:46:#if defined(CONFIG_AVR32)
drivers/usb/gadget/udc/atmel_usba_udc.h:194:#ifdef CONFIG_AVR32
drivers/video/fbdev/atmel_lcdfb.c:155:#elif defined(CONFIG_AVR32)
--
With Best Regards,
Andy Shevchenko
^ permalink raw reply [flat|nested] 13+ messages in thread