[GIT PULL] MIPS changes

From: Paul Burton
Date: Sat Sep 21 2019 - 19:12:26 EST

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Hi Linus,

Here are the main MIPS changes for v5.4; please pull.

My apologies that this is arriving at the end of the week; a combination
of travel & discovering a MIPS32 page table handling issue later than
would have been ideal delayed things.

There are a number of minor merge conflicts with current master, my
suggested resolutions are as follows:

diff --cc Documentation/mips/index.rst
index fd9023c8a89f,321b4794f3b8..3616fb872af3
--- a/Documentation/mips/index.rst
+++ b/Documentation/mips/index.rst
@@@ -1,17 -1,11 +1,18 @@@
.. SPDX-License-Identifier: GPL-2.0

-===========================
-MIPS-specific Documentation
-===========================
+=================
+MIPS architecture
+=================

.. toctree::
- :maxdepth: 1
- :numbered:
+ :maxdepth: 2

+ au1xxx_ide
+ ingenic-tcu
+
+.. only:: subproject and html
+
+ Indices
+ =======
+
+ * :ref:`genindex`
diff --cc arch/mips/Kconfig
index 904c096fa4da,2f7c050e8cde..cc8e2b1032a5
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@@ -43,8 -44,7 +44,8 @@@ config MIP
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
- select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
+ select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
+ select HAVE_ASM_MODVERSIONS
select HAVE_EBPF_JIT if (!CPU_MICROMIPS)
select HAVE_CONTEXT_TRACKING
select HAVE_COPY_THREAD_TLS
diff --cc drivers/video/fbdev/Makefile
index aab7155884ea,49502d6256cb..aa6352798cf4
--- a/drivers/video/fbdev/Makefile
+++ b/drivers/video/fbdev/Makefile
@@@ -116,7 -116,7 +116,6 @@@ obj-y += om
obj-$(CONFIG_XEN_FBDEV_FRONTEND) += xen-fbfront.o
obj-$(CONFIG_FB_CARMINE) += carminefb.o
obj-$(CONFIG_FB_MB862XX) += mb862xx/
- obj-$(CONFIG_FB_JZ4740) += jz4740_fb.o
-obj-$(CONFIG_FB_NUC900) += nuc900fb.o
obj-$(CONFIG_FB_PUV3_UNIGFX) += fb-puv3.o
obj-$(CONFIG_FB_HYPERV) += hyperv_fb.o
obj-$(CONFIG_FB_OPENCORES) += ocfb.o

Thanks,
Paul

The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:

Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git tags/mips_5.4

for you to fetch changes up to 05d013a0366d50f4f0dbebf8c1b22b42020bf49a:

MIPS: Detect bad _PFN_SHIFT values (2019-09-20 14:55:07 -0700)

----------------------------------------------------------------
Main MIPS changes for v5.4:

- boot_mem_map is removed, providing a nice cleanup made possible by the
recent removal of bootmem.

- Some fixes to atomics, in general providing compiler barriers for
smp_mb__{before,after}_atomic plus fixes specific to Loongson CPUs or
MIPS32 systems using cmpxchg64().

- Conversion to the new generic VDSO infrastructure courtesy of Vincenzo
Frascino.

- Removal of undefined behavior in set_io_port_base(), fixing the
behavior of some MIPS kernel configurations when built with recent
clang versions.

- Initial MIPS32 huge page support, functional on at least Ingenic SoCs.

- pte_special() is now supported for some configurations, allowing among
other things generic fast GUP to be used.

- Miscellaneous fixes & cleanups.

And platform specific changes:

- Major improvements to Ingenic SoC support from Paul Cercueil, mostly
enabled by the inclusion of the new TCU (timer-counter unit) drivers
he's spent a very patient year or so working on. Plus some fixes for
X1000 SoCs from Zhou Yanjie.

- Netgear R6200 v1 systems are now supported by the bcm47xx platform.

- DT updates for BMIPS, Lantiq & Microsemi Ocelot systems.

----------------------------------------------------------------
Antoine Tenart (2):
MIPS: dts: mscc: describe the PTP register range
MIPS: dts: mscc: describe the PTP ready interrupt

Arnd Bergmann (1):
mips: fix vdso32 build, again

Christoph Hellwig (1):
mips: remove ioremap_cachable

Christophe JAILLET (1):
MIPS: Octeon: Fix a typo in #define OCTOEN_SERIAL_LEN

Daniel Silsby (5):
MIPS: Disallow CPU_SUPPORTS_HUGEPAGES for XPA,EVA
MIPS: Add partial 32-bit huge page support
MIPS: Decouple CPU_SUPPORTS_HUGEPAGES from 64BIT
MIPS: ingenic: Add support for huge pages
MIPS: Undefine PMD_ORDER for 32-bit builds

Dmitry Korotin (1):
MIPS: pte_special()/pte_mkspecial() support

Edward MatijeviÄ (1):
MIPS: BCM47XX: Add support for Netgear R6200 V1

Fabian Mewes (1):
MIPS: Kconfig: remove HAVE_LATENCYTOP_SUPPORT

Firoz Khan (1):
mips: remove nargs from __SYSCALL

Florian Fainelli (2):
firmware: bcm47xx_nvram: Correct size_t printf format
firmware: bcm47xx_nvram: Allow COMPILE_TEST

Hauke Mehrtens (1):
MIPS: ralink: deactivate PCI support for SOC_MT7621

Jiaxun Yang (9):
MIPS: OCTEON: Drop boot_mem_map
MIPS: fw: Record prom memory
MIPS: malta: Drop prom_free_prom_memory
MIPS: msp: Record prom memory
MIPS: ip22: Drop addr_is_ram
MIPS: xlp: Drop boot_mem_map
MIPS: mm: Drop boot_mem_map
MIPS: init: Drop boot_mem_map
MIPS: Treat Loongson Extensions as ASEs

Jonas Gorski (1):
MIPS: BMIPS: add clock controller nodes

Martin Blumenstingl (1):
MIPS: lantiq: update the clock alias' for the mainline PCIe PHY driver

Nathan Chancellor (3):
MIPS: Don't use bc_false uninitialized in __mm_isBranchInstr
MIPS/ptrace: Update mips_get_syscall_arg's return type
MIPS: tlbex: Explicitly cast _PAGE_NO_EXEC to a boolean

Nick Desaulniers (1):
mips: avoid explicit UB in assignment of mips_io_port_base

Paul Burton (15):
MIPS: Remove unused R4300 CPU support
MIPS: Remove unused R5432 CPU support
MIPS: Remove unused R5432_CP0_INTERRUPT_WAR
MIPS: Remove unused R8000 CPU support
MIPS: octeon: Remove cpu_has_saa
MIPS: octeon: Remove ARCH_HAS_IRQ_PER_CPU
Merge branch 'ingenic-tcu-v5.4' into mips-next
MIPS: mm: Fix highmem compile
MIPS: Fix build with CONFIG_PROC_VMCORE=y
MIPS: Select R3k-style TLB in Kconfig
MIPS: tlbex: Simplify r3k check
MIPS: tlbex: Remove cpu_has_local_ebase
MIPS: Drop Loongson _CACHE_* definitions
MIPS: Disable pte_special() for MIPS32 with RiXi
MIPS: Detect bad _PFN_SHIFT values

Paul Cercueil (27):
MIPS: Rename JZRISC to XBURST
MIPS: Decode config3 register on Ingenic SoCs
MIPS: DTS: jz4740: Add node for the MMC driver
MIPS: qi_lb60: Move MMC configuration to devicetree
MIPS: DTS: jz4740: Add missing nodes
MIPS: qi_lb60: Migrate to devicetree
MIPS: configs: LB60: update defconfig
ASoC: jz4740: Drop lb60 board code
video/fbdev: Drop JZ4740 driver
dma: Drop JZ4740 driver
mtd: rawnand: Drop obsolete JZ4740 NAND driver
power/supply: Drop obsolete JZ4740 driver
hwmon: Drop obsolete JZ4740 driver
MIPS: jz4740: Drop dead code
dt-bindings: ingenic: Add DT bindings for TCU clocks
doc: Add doc for the Ingenic TCU hardware
dt-bindings: Add doc for the Ingenic TCU drivers
mfd/syscon: Add device_node_to_regmap()
clk: ingenic: Add driver for the TCU clocks
irqchip: Add irq-ingenic-tcu driver
clocksource: Add a new timer-ingenic driver
clk: jz4740: Add TCU clock
MIPS: jz4740: Add DTS nodes for the TCU drivers
MIPS: qi_lb60: Reduce system timer and clocksource to 750 kHz
MIPS: CI20: Reduce system timer and clocksource to 3 MHz
MIPS: GCW0: Reduce system timer and clocksource to 750 kHz
MIPS: jz4740: Drop obsolete code

Peter Zijlstra (3):
mips/atomic: Fix cmpxchg64 barriers
mips/atomic: Fix loongson_llsc_mb() wreckage
mips/atomic: Fix smp_mb__{before,after}_atomic()

Stephen Boyd (1):
MIPS: Remove dev_err() usage after platform_get_irq()

Thomas Bogendoerfer (1):
MIPS: PCI: refactor ioc3 special handling

Vincenzo Frascino (6):
mips: Add support for generic vDSO
mips: Add clock_getres entry point
mips: Add clock_gettime64 entry point
mips: vdso: Fix source path
mips: vdso: Fix flip/flop vdso building bug
mips: compat: vdso: Use legacy syscalls as fallback

YueHaibing (2):
irqchip/irq-ingenic-tcu: Fix COMPILE_TEST building
MIPS: Octeon: remove duplicated include from dma-octeon.c

Zhou Yanjie (3):
MIPS: X1000: Add X1000 system type.
MIPS: Ingenic: Fix bugs when detecting X1000's L2 cache.
MIPS: Ingenic: Disable broken BTB lookup optimization.

.../devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt | 22 -
.../devicetree/bindings/timer/ingenic,tcu.txt | 137 ++++
.../bindings/watchdog/ingenic,jz4740-wdt.txt | 17 -
Documentation/index.rst | 1 +
Documentation/mips/index.rst | 11 +
Documentation/mips/ingenic-tcu.rst | 71 +++
arch/mips/Kconfig | 65 +-
arch/mips/Makefile | 4 -
arch/mips/bcm47xx/board.c | 1 +
arch/mips/bcm47xx/buttons.c | 10 +
arch/mips/boot/dts/brcm/bcm3368.dtsi | 12 +-
arch/mips/boot/dts/brcm/bcm63268.dtsi | 12 +-
arch/mips/boot/dts/brcm/bcm6328.dtsi | 6 +
arch/mips/boot/dts/brcm/bcm6358.dtsi | 12 +-
arch/mips/boot/dts/brcm/bcm6362.dtsi | 12 +-
arch/mips/boot/dts/brcm/bcm6368.dtsi | 12 +-
arch/mips/boot/dts/ingenic/ci20.dts | 7 +
arch/mips/boot/dts/ingenic/gcw0.dts | 10 +
arch/mips/boot/dts/ingenic/jz4740.dtsi | 127 +++-
arch/mips/boot/dts/ingenic/jz4770.dtsi | 21 +
arch/mips/boot/dts/ingenic/jz4780.dtsi | 23 +
arch/mips/boot/dts/ingenic/qi_lb60.dts | 325 ++++++++++
arch/mips/boot/dts/mscc/ocelot.dtsi | 7 +-
arch/mips/cavium-octeon/dma-octeon.c | 16 +-
arch/mips/cavium-octeon/setup.c | 3 +-
arch/mips/configs/qi_lb60_defconfig | 44 +-
arch/mips/fw/arc/memory.c | 24 +-
arch/mips/include/asm/addrspace.h | 9 -
arch/mips/include/asm/atomic.h | 19 +-
arch/mips/include/asm/barrier.h | 44 +-
arch/mips/include/asm/bitops.h | 47 +-
arch/mips/include/asm/bootinfo.h | 17 +-
arch/mips/include/asm/cmpxchg.h | 18 +-
arch/mips/include/asm/cpu-features.h | 19 +-
arch/mips/include/asm/cpu-type.h | 15 +-
arch/mips/include/asm/cpu.h | 19 +-
arch/mips/include/asm/io.h | 21 +-
arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h | 1 +
.../asm/mach-cavium-octeon/cpu-feature-overrides.h | 9 -
arch/mips/include/asm/mach-cavium-octeon/war.h | 1 -
.../include/asm/mach-dec/cpu-feature-overrides.h | 1 -
arch/mips/include/asm/mach-generic/war.h | 1 -
arch/mips/include/asm/mach-ip22/war.h | 1 -
arch/mips/include/asm/mach-ip27/war.h | 1 -
arch/mips/include/asm/mach-ip28/war.h | 1 -
arch/mips/include/asm/mach-ip32/war.h | 1 -
arch/mips/include/asm/mach-jz4740/gpio.h | 15 -
arch/mips/include/asm/mach-jz4740/jz4740_fb.h | 58 --
arch/mips/include/asm/mach-jz4740/jz4740_mmc.h | 12 -
arch/mips/include/asm/mach-jz4740/platform.h | 26 -
.../asm/mach-loongson64/cpu-feature-overrides.h | 1 -
arch/mips/include/asm/mach-malta/war.h | 1 -
arch/mips/include/asm/mach-pmcs-msp71xx/war.h | 1 -
arch/mips/include/asm/mach-rc32434/war.h | 1 -
arch/mips/include/asm/mach-rm/war.h | 1 -
arch/mips/include/asm/mach-sibyte/war.h | 1 -
arch/mips/include/asm/mach-tx49xx/war.h | 1 -
arch/mips/include/asm/mipsregs.h | 4 +
arch/mips/include/asm/module.h | 6 -
arch/mips/include/asm/octeon/octeon.h | 4 +-
arch/mips/include/asm/pgtable-32.h | 62 +-
arch/mips/include/asm/pgtable-bits.h | 34 +-
arch/mips/include/asm/pgtable.h | 20 +-
arch/mips/include/asm/syscall.h | 21 +-
arch/mips/include/asm/vdso.h | 78 +--
arch/mips/include/asm/vdso/gettimeofday.h | 222 +++++++
arch/mips/{ => include/asm}/vdso/vdso.h | 16 +-
arch/mips/include/asm/vdso/vsyscall.h | 43 ++
arch/mips/include/asm/war.h | 13 -
arch/mips/jz4740/Makefile | 7 +-
arch/mips/jz4740/board-qi_lb60.c | 523 ----------------
arch/mips/jz4740/platform.c | 250 --------
arch/mips/jz4740/prom.c | 5 -
arch/mips/jz4740/setup.c | 7 +-
arch/mips/jz4740/time.c | 151 +----
arch/mips/kernel/branch.c | 2 +-
arch/mips/kernel/cpu-probe.c | 53 +-
arch/mips/kernel/genex.S | 3 -
arch/mips/kernel/idle.c | 3 +-
arch/mips/kernel/proc.c | 4 +
arch/mips/kernel/scall32-o32.S | 2 +-
arch/mips/kernel/scall64-n32.S | 2 +-
arch/mips/kernel/scall64-n64.S | 2 +-
arch/mips/kernel/scall64-o32.S | 2 +-
arch/mips/kernel/setup.c | 357 +++--------
arch/mips/kernel/syscall.c | 1 +
arch/mips/kernel/syscalls/syscalltbl.sh | 4 +-
arch/mips/kernel/vdso.c | 37 +-
arch/mips/lantiq/xway/sysctrl.c | 16 +-
arch/mips/mm/Makefile | 6 +-
arch/mips/mm/c-r4k.c | 2 -
arch/mips/mm/init.c | 98 ++-
arch/mips/mm/pgtable-32.c | 20 +
arch/mips/mm/sc-mips.c | 27 +-
arch/mips/mm/tlb-r8k.c | 239 -------
arch/mips/mm/tlbex.c | 63 +-
arch/mips/mti-malta/malta-memory.c | 11 -
arch/mips/netlogic/xlp/setup.c | 12 +-
arch/mips/pci/pci-xtalk-bridge.c | 167 ++---
arch/mips/pmcs-msp71xx/msp_prom.c | 22 +-
arch/mips/ralink/Kconfig | 1 -
arch/mips/ralink/timer.c | 4 +-
arch/mips/sgi-ip22/ip28-berr.c | 20 +-
arch/mips/vdso/Makefile | 41 +-
arch/mips/vdso/config-n32-o32-env.c | 19 +
arch/mips/vdso/elf.S | 2 +-
arch/mips/vdso/sigreturn.S | 2 +-
arch/mips/vdso/vdso.lds.S | 4 +
arch/mips/vdso/vgettimeofday.c | 58 ++
drivers/clk/ingenic/Kconfig | 10 +-
drivers/clk/ingenic/Makefile | 1 +
drivers/clk/ingenic/jz4740-cgu.c | 6 +
drivers/clk/ingenic/tcu.c | 474 ++++++++++++++
drivers/clocksource/Kconfig | 11 +
drivers/clocksource/Makefile | 1 +
drivers/clocksource/ingenic-timer.c | 356 +++++++++++
drivers/dma/Kconfig | 6 -
drivers/dma/Makefile | 1 -
drivers/dma/dma-jz4740.c | 623 -------------------
drivers/firmware/broadcom/Kconfig | 2 +-
drivers/firmware/broadcom/bcm47xx_nvram.c | 4 +-
drivers/hwmon/Kconfig | 10 -
drivers/hwmon/Makefile | 1 -
drivers/hwmon/jz4740-hwmon.c | 135 ----
drivers/irqchip/Kconfig | 12 +
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-ingenic-tcu.c | 182 ++++++
drivers/mfd/syscon.c | 46 +-
drivers/mtd/nand/raw/ingenic/Kconfig | 7 -
drivers/mtd/nand/raw/ingenic/Makefile | 1 -
drivers/mtd/nand/raw/ingenic/jz4740_nand.c | 536 ----------------
drivers/power/supply/Kconfig | 11 -
drivers/power/supply/Makefile | 1 -
drivers/power/supply/jz4740-battery.c | 421 -------------
drivers/video/fbdev/Kconfig | 9 -
drivers/video/fbdev/Makefile | 1 -
drivers/video/fbdev/jz4740_fb.c | 690 ---------------------
include/dt-bindings/clock/ingenic,tcu.h | 20 +
include/dt-bindings/clock/jz4740-cgu.h | 1 +
include/linux/mfd/syscon.h | 6 +
sound/soc/jz4740/Kconfig | 25 +-
sound/soc/jz4740/Makefile | 5 -
sound/soc/jz4740/qi_lb60.c | 106 ----
143 files changed, 2921 insertions(+), 4948 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt
create mode 100644 Documentation/devicetree/bindings/timer/ingenic,tcu.txt
delete mode 100644 Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt
create mode 100644 Documentation/mips/index.rst
create mode 100644 Documentation/mips/ingenic-tcu.rst
delete mode 100644 arch/mips/include/asm/mach-jz4740/gpio.h
delete mode 100644 arch/mips/include/asm/mach-jz4740/jz4740_fb.h
delete mode 100644 arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
delete mode 100644 arch/mips/include/asm/mach-jz4740/platform.h
create mode 100644 arch/mips/include/asm/vdso/gettimeofday.h
rename arch/mips/{ => include/asm}/vdso/vdso.h (77%)
create mode 100644 arch/mips/include/asm/vdso/vsyscall.h
delete mode 100644 arch/mips/jz4740/board-qi_lb60.c
delete mode 100644 arch/mips/jz4740/platform.c
delete mode 100644 arch/mips/mm/tlb-r8k.c
create mode 100644 arch/mips/vdso/config-n32-o32-env.c
create mode 100644 arch/mips/vdso/vgettimeofday.c
create mode 100644 drivers/clk/ingenic/tcu.c
create mode 100644 drivers/clocksource/ingenic-timer.c
delete mode 100644 drivers/dma/dma-jz4740.c
delete mode 100644 drivers/hwmon/jz4740-hwmon.c
create mode 100644 drivers/irqchip/irq-ingenic-tcu.c
delete mode 100644 drivers/mtd/nand/raw/ingenic/jz4740_nand.c
delete mode 100644 drivers/power/supply/jz4740-battery.c
delete mode 100644 drivers/video/fbdev/jz4740_fb.c
create mode 100644 include/dt-bindings/clock/ingenic,tcu.h
delete mode 100644 sound/soc/jz4740/qi_lb60.c

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