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  1. 26 Mar, 2018 32 commits
  3. 16 Mar, 2018 6 commits
    • Arnd Bergmann's avatar
      mm: remove obsolete alloc_remap() · 79375ea3
      Arnd Bergmann authored 
      Tile was the only remaining architecture to implement alloc_remap(),
and since that is being removed, there is no point in keeping this
function.

Removing all callers simplifies the mem_map handling.
Reviewed-by: default avatarPavel Tatashin <pasha.tatashin@oracle.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      79375ea3
    • Arnd Bergmann's avatar
      mm: remove blackfin MPU support · 1a842913
      Arnd Bergmann authored 
      The CONFIG_MPU option was only defined on blackfin, and that architecture
is now being removed, so the respective code can be simplified.

A lot of other microcontrollers have an MPU, but I suspect that if we
want to bring that support back, we'd do it differently anyway.
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      1a842913
    • Arnd Bergmann's avatar
      procfs: remove CONFIG_HARDWALL dependency · e05a959f
      Arnd Bergmann authored 
      Hardwall is a tile specific feature, and with the removal of the
tile architecture, this has become dead code, so let's remove it.

Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      e05a959f
    • Jesper Nilsson's avatar
      CRIS: Drop support for the CRIS port · c690eddc
      Jesper Nilsson authored 
      The port was added back in 2000 so it's no longer even a good source
of inspiration for newer ports (if it ever was)

The last SoC (ARTPEC-3) with a CRIS main CPU was launched in 2008.

Coupled with time and working developer board hardware being
in low supply, it's time to drop the port from Linux.

So long and thanks for all the fish!
Signed-off-by: default avatarJesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      c690eddc
    • Arnd Bergmann's avatar
      arch: remove tile port · bb9d8126
      Arnd Bergmann authored 
      The Tile architecture port was added by Chris Metcalf in 2010, and
maintained until early 2018 when he orphaned it due to his departure
from Mellanox, and nobody else stepped up to maintain it. The product
line is still around in the form of the BlueField SoC, but no longer
uses the Tile architecture.

There are also still products for sale with Tile-GX SoCs, notably the
Mikrotik CCR router family. The products all use old (linux-3.3) kernels
with lots of patches and won't be upgraded by their manufacturers. There
have been efforts to port both OpenWRT and Debian to these, but both
projects have stalled and are very unlikely to be continued in the future.

Given that we are reasonably sure that nobody is still using the port
with an upstream kernel any more, it seems better to remove it now while
the port is in a good shape than to let it bitrot for a few years first.

Cc: Chris Metcalf <chris.d.metcalf@gmail.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: http://www.mellanox.com/page/npu_multicore_overview
Link: https://jenkins.debian.net/view/rebootstrap/job/rebootstrap_tilegx_gcc7/Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      bb9d8126
    • Arnd Bergmann's avatar
      arch: remove blackfin port · 4ba66a97
      Arnd Bergmann authored 
      The Analog Devices Blackfin port was added in 2007 and was rather
active for a while, but all work on it has come to a standstill
over time, as Analog have changed their product line-up.

Aaron Wu confirmed that the architecture port is no longer relevant,
and multiple people suggested removing blackfin independently because
of some of its oddities like a non-working SMP port, and the amount of
duplication between the chip variants, which cause extra work when
doing cross-architecture changes.

Link: https://docs.blackfin.uclinux.org/Acked-by: default avatarAaron Wu <Aaron.Wu@analog.com>
Acked-by: default avatarBryan Wu <cooloney@gmail.com>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Mike Frysinger <vapier@chromium.org>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      4ba66a97
  5. 09 Mar, 2018 2 commits
    • Arnd Bergmann's avatar
      arch: remove score port · b8c9c8f0
      Arnd Bergmann authored 
      The Sunplus S+core architecture was added in 2009 by Chen Liqin,
who has been co-maintaining it with Lennox Wu <lennox.wu@gmail.com>
since then, but after they both left the company, nobody else has shown
any interest in the port and it has seen almost no activity other than
tree-wide changes.

The gcc port was removed a few years ago due to the inactivity.

While the sunplus website still advertises products with unspecified
RISC cores that might be S+core based, it's very clear that the Linux
port is completely abandoned at this point.

This removes all files related to the architecture.
Acked-by: default avatarLennox Wu <lennox.wu@gmail.com>
Link: http://www.sunplus.com/Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      b8c9c8f0
    • Arnd Bergmann's avatar
      arch: remove m32r port · 553b085c
      Arnd Bergmann authored 
      The Mitsubishi/Renesas m32r architecture has been around for many years,
but the Linux port has been obsolete for a very long time as well, with
the last significant updates done for linux-2.6.14.

While some m32r microcontrollers are still being marketed by Renesas,
those are apparently no longer possible to support, mainly due to the
lack of an external memory interface.

Hirokazu Takata was the maintainer until the architecture got marked
Orphaned in 2014.

Link: http://www.linux-m32r.org/
Link: https://www.renesas.com/en-eu/products/microcontrollers-microprocessors/m32r.html
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      553b085c
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