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Merge tag 'rm-unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux

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Pull unicore32 removal from Mike Rapoport:
 "Remove unicore32 support.

  The unicore32 port do not seem maintained for a long time now, there
  is no upstream toolchain that can create unicore32 binaries and all
  the links to prebuilt toolchains for unicore32 are dead. Even
  compilers that were available are not supported by the kernel anymore.

  Guenter Roeck says:
    "I have stopped building unicore32 images since v4.19 since there is
     no available compiler that is still supported by the kernel. I am
     surprised that support for it has not been removed from the kernel"

  However, it's worth pointing out two things:

   - Guan Xuetao is still listed as maintainer and asked for the port to
     be kept around the last time Arnd suggested removing it two years
     ago. He promised that there would be compiler sources (presumably
     llvm), but has not made those available since.

   - https://github.com/gxt has patches to linux-4.9 and qemu-2.7, both
     released in 2016, with patches dated early 2019. These patches
     mainly restore a syscall ABI that was never part of mainline Linux
     but apparently used in production. qemu-2.8 removed support for
     that ABI and newer kernels (4.19+) can no longer be built with the
     old toolchain, so apparently there will not be any future updates
     to that git tree"

* tag 'rm-unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux:
  MAINTAINERS: remove "PKUNITY SOC DRIVERS" entry
  rtc: remove fb-puv3  driver
  video: fbdev: remove fb-puv3  driver
  pwm: remove pwm-puv3  driver
  input: i8042: remove support for 8042-unicore32io
  i2c/buses: remove i2c-puv3  driver
  cpufreq: remove unicore32 driver
  arch: remove unicore32 port
This commit is contained in:
Linus Torvalds
2020-08-03 14:00:16 -07:00
parent 45365a06aa 3346dd99fb
commit 05119217a9
206 changed files with 1 additions and 17455 deletions
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70
drivers/input/serio/i8042-unicore32io.h
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@@ -1,70 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Code specific to PKUnity SoC and UniCore ISA
*
* Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
* Copyright (C) 2001-2011 Guan Xuetao
*/
#ifndef _I8042_UNICORE32_H
#define _I8042_UNICORE32_H
#include <mach/hardware.h>
/*
* Names.
*/
#define I8042_KBD_PHYS_DESC "isa0060/serio0"
#define I8042_AUX_PHYS_DESC "isa0060/serio1"
#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
/*
* IRQs.
*/
#define I8042_KBD_IRQ IRQ_PS2_KBD
#define I8042_AUX_IRQ IRQ_PS2_AUX
/*
* Register numbers.
*/
#define I8042_COMMAND_REG PS2_COMMAND
#define I8042_STATUS_REG PS2_STATUS
#define I8042_DATA_REG PS2_DATA
#define I8042_REGION_START (resource_size_t)(PS2_DATA)
#define I8042_REGION_SIZE (resource_size_t)(16)
static inline int i8042_read_data(void)
{
return readb(I8042_DATA_REG);
}
static inline int i8042_read_status(void)
{
return readb(I8042_STATUS_REG);
}
static inline void i8042_write_data(int val)
{
writeb(val, I8042_DATA_REG);
}
static inline void i8042_write_command(int val)
{
writeb(val, I8042_COMMAND_REG);
}
static inline int i8042_platform_init(void)
{
if (!request_mem_region(I8042_REGION_START, I8042_REGION_SIZE, "i8042"))
return -EBUSY;
i8042_reset = I8042_RESET_ALWAYS;
return 0;
}
static inline void i8042_platform_exit(void)
{
release_mem_region(I8042_REGION_START, I8042_REGION_SIZE);
}
#endif /* _I8042_UNICORE32_H */

2
drivers/input/serio/i8042.h
View File

@@ -21,8 +21,6 @@
#include "i8042-sparcio.h"
#elif defined(CONFIG_X86) || defined(CONFIG_IA64)
#include "i8042-x86ia64io.h"
#elif defined(CONFIG_UNICORE32)
#include "i8042-unicore32io.h"
#else
#include "i8042-io.h"
#endif