Merge tag 'arch-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pul removal of obsolete architecture ports from Arnd Bergmann:
 "This removes the entire architecture code for blackfin, cris, frv,
  m32r, metag, mn10300, score, and tile, including the associated device
  drivers.

  I have been working with the (former) maintainers for each one to
  ensure that my interpretation was right and the code is definitely
  unused in mainline kernels. Many had fond memories of working on the
  respective ports to start with and getting them included in upstream,
  but also saw no point in keeping the port alive without any users.

  In the end, it seems that while the eight architectures are extremely
  different, they all suffered the same fate: There was one company in
  charge of an SoC line, a CPU microarchitecture and a software
  ecosystem, which was more costly than licensing newer off-the-shelf
  CPU cores from a third party (typically ARM, MIPS, or RISC-V). It
  seems that all the SoC product lines are still around, but have not
  used the custom CPU architectures for several years at this point. In
  contrast, CPU instruction sets that remain popular and have actively
  maintained kernel ports tend to all be used across multiple licensees.

  [ See the new nds32 port merged in the previous commit for the next
    generation of "one company in charge of an SoC line, a CPU
    microarchitecture and a software ecosystem"   - Linus ]

  The removal came out of a discussion that is now documented at
  https://lwn.net/Articles/748074/. Unlike the original plans, I'm not
  marking any ports as deprecated but remove them all at once after I
  made sure that they are all unused. Some architectures (notably tile,
  mn10300, and blackfin) are still being shipped in products with old
  kernels, but those products will never be updated to newer kernel
  releases.

  After this series, we still have a few architectures without mainline
  gcc support:

   - unicore32 and hexagon both have very outdated gcc releases, but the
     maintainers promised to work on providing something newer. At least
     in case of hexagon, this will only be llvm, not gcc.

   - openrisc, risc-v and nds32 are still in the process of finishing
     their support or getting it added to mainline gcc in the first
     place. They all have patched gcc-7.3 ports that work to some
     degree, but complete upstream support won't happen before gcc-8.1.
     Csky posted their first kernel patch set last week, their situation
     will be similar

  [ Palmer Dabbelt points out that RISC-V support is in mainline gcc
    since gcc-7, although gcc-7.3.0 is the recommended minimum  - Linus ]"

This really says it all:

 2498 files changed, 95 insertions(+), 467668 deletions(-)

* tag 'arch-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (74 commits)
  MAINTAINERS: UNICORE32: Change email account
  staging: iio: remove iio-trig-bfin-timer driver
  tty: hvc: remove tile driver
  tty: remove bfin_jtag_comm and hvc_bfin_jtag drivers
  serial: remove tile uart driver
  serial: remove m32r_sio driver
  serial: remove blackfin drivers
  serial: remove cris/etrax uart drivers
  usb: Remove Blackfin references in USB support
  usb: isp1362: remove blackfin arch glue
  usb: musb: remove blackfin port
  usb: host: remove tilegx platform glue
  pwm: remove pwm-bfin driver
  i2c: remove bfin-twi driver
  spi: remove blackfin related host drivers
  watchdog: remove bfin_wdt driver
  can: remove bfin_can driver
  mmc: remove bfin_sdh driver
  input: misc: remove blackfin rotary driver
  input: keyboard: remove bf54x driver
  ...

1 files changed, 0 insertions, 113 deletions

diff --git a/arch/cris/include/asm/eshlibld.h b/arch/cris/include/asm/eshlibld.h
deleted file mode 100644
index 88940556c2db..000000000000
--- a/arch/cris/include/asm/eshlibld.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*!**************************************************************************
-*!
-*! FILE NAME  : eshlibld.h
-*!
-*! DESCRIPTION: Prototypes for exported shared library functions
-*!
-*! FUNCTIONS  : perform_cris_aout_relocations, shlibmod_fork, shlibmod_exit
-*! (EXPORTED)
-*!
-*!---------------------------------------------------------------------------
-*!
-*! (C) Copyright 1998, 1999 Axis Communications AB, LUND, SWEDEN
-*!
-*!**************************************************************************/
-/* $Id: eshlibld.h,v 1.2 2001/02/23 13:47:33 bjornw Exp $ */
-
-#ifndef _cris_relocate_h
-#define _cris_relocate_h
-
-/* Please note that this file is also compiled into the xsim simulator.
-   Try to avoid breaking its double use (only works on a little-endian
-   32-bit machine such as the i386 anyway).
-
-   Use __KERNEL__ when you're about to use kernel functions,
-       (which you should not do here anyway, since this file is
-       used by glibc).
-   Use defined(__KERNEL__) || defined(__elinux__) when doing
-       things that only makes sense on an elinux system.
-   Use __CRIS__ when you're about to do (really) CRIS-specific code.
-*/
-
-/* We have dependencies all over the place for the host system
-   for xsim being a linux system, so let's not pretend anything
-   else with #ifdef:s here until fixed.  */
-#include <linux/limits.h>
-
-/* Maybe do sanity checking if file input. */
-#undef SANITYCHECK_RELOC
-
-/* Maybe output debug messages. */
-#undef RELOC_DEBUG
-
-/* Maybe we want to share core as well as disk space.
-   Mainly depends on the config macro CONFIG_SHARE_SHLIB_CORE, but it is
-   assumed that we want to share code when debugging (exposes more
-   trouble). */
-#ifndef SHARE_LIB_CORE
-# if (defined(__KERNEL__) || !defined(RELOC_DEBUG))
-#  define SHARE_LIB_CORE 0
-# else
-#  define SHARE_LIB_CORE 1
-# endif /* __KERNEL__ etc */
-#endif /* SHARE_LIB_CORE */
-
-
-/* Main exported function; supposed to be called when the program a.out
-   has been read in. */
-extern int
-perform_cris_aout_relocations(unsigned long text, unsigned long tlength,
-			      unsigned long data, unsigned long dlength,
-			      unsigned long baddr, unsigned long blength,
-
-			      /* These may be zero when there's "perfect"
-				 position-independent code. */
-			      unsigned char *trel, unsigned long tsrel,
-			      unsigned long dsrel,
-
-			      /* These will be zero at a first try, to see
-				 if code is statically linked.  Else a
-				 second try, with the symbol table and
-				 string table nonzero should be done. */
-			      unsigned char *symbols, unsigned long symlength,
-			      unsigned char *strings, unsigned long stringlength,
-
-			      /* These will only be used when symbol table
-			       information is present. */
-			      char **env, int envc,
-			      int euid, int is_suid);
-
-
-#ifdef RELOC_DEBUG
-/* Task-specific debug stuff. */
-struct task_reloc_debug {
-	struct memdebug *alloclast;
-	unsigned long alloc_total;
-	unsigned long export_total;
-};
-#endif /* RELOC_DEBUG */
-
-#if SHARE_LIB_CORE
-
-/* When code (and some very specific data) is shared and not just
-   dynamically linked, we need to export hooks for exec beginning and
-   end. */
-
-struct shlibdep;
-
-extern void
-shlibmod_exit(struct shlibdep **deps);
-
-/* Returns 0 if failure, nonzero for ok. */
-extern int
-shlibmod_fork(struct shlibdep **deps);
-
-#else  /* ! SHARE_LIB_CORE */
-# define shlibmod_exit(x)
-# define shlibmod_fork(x) 1
-#endif /* ! SHARE_LIB_CORE */
-
-#endif _cris_relocate_h
-/********************** END OF FILE eshlibld.h *****************************/
-