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Adds basic support for the Nuvoton NPCM750 BMC.
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Tomer Maimon <tmaimon77@gmail.com>
Reviewed-by: Avi Fishman <avifishman70@gmail.com>
Tested-by: Tomer Maimon <tmaimon77@gmail.com>
Tested-by: Avi Fishman <avifishman70@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The GNU assembler has implemented the "unified syntax" parsing since
2005. This "unified" syntax is required when the kernel is built in
Thumb2 mode. However the "unified" syntax is a mixed bag of features,
including not requiring a `#' prefix with immediate operands. This leads
to situations where some code builds just fine in Thumb2 mode and fails
to build in ARM mode if that prefix is missing. This behavior
discrepancy makes build tests less valuable, forcing both ARM and Thumb2
builds for proper coverage.
Let's "fix" this issue by always using the "unified" syntax for both ARM
and Thumb2 mode. Given that the documented minimum binutils version that
properly builds the kernel is version 2.20 released in 2010, we can
assume that any toolchain capable of building the latest kernel is also
"unified syntax" capable.
Whith this, a bunch of macros used to mask some differences between both
syntaxes can be removed, with the side effect of making LTO easier.
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
"One of the most remarkable improvements in this cycle is, Kbuild is
now able to cache the result of shell commands. Some variables are
expensive to compute, for example, $(call cc-option,...) invokes the
compiler. It is not efficient to redo this computation every time,
even when we are not actually building anything. Kbuild creates a
hidden file ".cache.mk" that contains invoked shell commands and their
results. The speed-up should be noticeable.
Summary:
- Fix arch build issues (hexagon, sh)
- Clean up various Makefiles and scripts
- Fix wrong usage of {CFLAGS,LDFLAGS}_MODULE in arch Makefiles
- Cache variables that are expensive to compute
- Improve cc-ldopton and ld-option for Clang
- Optimize output directory creation"
* tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (30 commits)
kbuild: move coccicheck help from scripts/Makefile.help to top Makefile
sh: decompressor: add shipped files to .gitignore
frv: .gitignore: ignore vmlinux.lds
selinux: remove unnecessary assignment to subdir-
kbuild: specify FORCE in Makefile.headersinst as .PHONY target
kbuild: remove redundant mkdir from ./Kbuild
kbuild: optimize object directory creation for incremental build
kbuild: create object directories simpler and faster
kbuild: filter-out PHONY targets from "targets"
kbuild: remove redundant $(wildcard ...) for cmd_files calculation
kbuild: create directory for make cache only when necessary
sh: select KBUILD_DEFCONFIG depending on ARCH
kbuild: fix linker feature test macros when cross compiling with Clang
kbuild: shrink .cache.mk when it exceeds 1000 lines
kbuild: do not call cc-option before KBUILD_CFLAGS initialization
kbuild: Cache a few more calls to the compiler
kbuild: Add a cache for generated variables
kbuild: add forward declaration of default target to Makefile.asm-generic
kbuild: remove KBUILD_SUBDIR_ASFLAGS and KBUILD_SUBDIR_CCFLAGS
hexagon/kbuild: replace CFLAGS_MODULE with KBUILD_CFLAGS_MODULE
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"Most of the commits are for defconfig changes, to enable newly added
drivers or features that people have started using. For the changed
lines lines, we have mostly cleanups, the affected platforms are OMAP,
Versatile, EP93xx, Samsung, Broadcom, i.MX, and Actions.
The largest single change is the introduction of the TI "sysc" bus
driver, with the intention of cleaning up more legacy code.
Two new SoC platforms get added this time:
- Allwinner R40 is a modernized version of the A20 chip, now with a
Quad-Core ARM Cortex-A7. According to the manufacturer, it is
intended for "Smart Hardware"
- Broadcom Hurricane 2 (Aka Strataconnect BCM5334X) is a family of
chips meant for managed gigabit ethernet switches, based around a
Cortex-A9 CPU.
Finally, we gain SMP support for two platforms: Renesas R-Car E2 and
Amlogic Meson8/8b, which were previously added but only supported
uniprocessor operation"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (118 commits)
ARM: multi_v7_defconfig: Select RPMSG_VIRTIO as module
ARM: multi_v7_defconfig: enable CONFIG_GPIO_UNIPHIER
arm64: defconfig: enable CONFIG_GPIO_UNIPHIER
ARM: meson: enable MESON_IRQ_GPIO in Kconfig for meson8b
ARM: meson: Add SMP bringup code for Meson8 and Meson8b
ARM: smp_scu: allow the platform code to read the SCU CPU status
ARM: smp_scu: add a helper for powering on a specific CPU
dt-bindings: Amlogic: Add Meson8 and Meson8b SMP related documentation
ARM: OMAP3: Delete an unnecessary variable initialisation in omap3xxx_hwmod_init()
ARM: OMAP3: Use common error handling code in omap3xxx_hwmod_init()
ARM: defconfig: select the right SX150X driver
arm64: defconfig: Enable QCOM_IOMMU
arm64: Add ThunderX drivers to defconfig
arm64: defconfig: Enable Tegra PCI controller
cpufreq: imx6q: Move speed grading check to cpufreq driver
arm64: defconfig: re-enable Qualcomm DB410c USB
ARM: configs: stm32: Add MDMA support in STM32 defconfig
ARM: imx: Enable cpuidle for i.MX6DL starting at 1.1
bus: ti-sysc: Fix unbalanced pm_runtime_enable by adding remove
bus: ti-sysc: mark PM functions as __maybe_unused
...
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ARM depends on the macros '__ARMEL__' & '__ARMEB__' being defined
or not to correctly select or define endian-specific macros,
structures or pieces of code.
These macros are predefined by the compiler but sparse knows
nothing about them and thus may pre-process files differently
from what gcc would.
Fix this by passing '-D__ARMEL__' or '-D__ARMEB__' to sparse,
depending on the endianness of the kernel, like defined by GCC.
Note: In most case it won't change anything since most ARMs use
little-endian (but an allyesconfig would use big-endian!).
To: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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As kbuild document & commit 6588169d51 says: KBUILD_{C,LD}FLAGS_MODULE are
used to add arch-specific options for $(CC) and $(LD). From commandline,
{C,LD}FLAGS_MODULE shall be used.
Doesn't have any functional change, but just follow kbuild rules.
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
CC: Russell King <linux@armlinux.org.uk>
CC: linux-arm-kernel@lists.infradead.org
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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This adds the necessary SMP-operations and startup code to use the
additional cores on the Amlogic Meson8/Meson8m2 (both are using the same
sequence) and Meson8b (using a slightly difference sequence) SoCs.
Signed-off-by: Carlo Caione <carlo@endlessm.com>
[add Meson8/Meson8m2 support and allow taking CPU cores offline as well]
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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By default sparse uses the characteristics of the build
machine to infer things like the wordsize.
This is fine when doing native builds but for ARM it's,
I suspect, very rarely the case and if the build are done
on a 64bit machine we get a bunch of warnings like:
'cast truncates bits from constant value (... becomes ...)'
Fix this by adding the -m32 flags for sparse.
Reported-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Add ARCH_ACTIONS and mach-actions/owl.c for "actions,s500".
Signed-off-by: Andreas Färber <afaerber@suse.de>
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The KBUILD_IMAGE variable is used by the rpm and deb-pkg targets, which
expect it to point to the image file in the build directory. The
builddeb script has a workaround for architectures which only provide
the basename, but let's provide a clean interface for packaging tools.
Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Michal Marek <mmarek@suse.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Pull ARM updates from Russell King:
- an update for clkdev registration error detection to simplify users
- add cpu capacity parsing from DT
- support for larger cachelines found on UniPhier caches
- documentation for udelay constants
- properly tag assembly function declarations
- remove unnecessary indirection of asm/mach-types.h
- switch to syscall table based generation to simplify future additions
of system calls, along with correpsonding commit for pkey syscalls
- remove redundant sa1101 header file
- RONX protect modules when they're in the vmalloc region
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: mm: allow set_memory_*() to be used on the vmalloc region
ARM: mm: fix set_memory_*() bounds checks
ARM: 8631/1: clkdev: Detect errors in clk_hw_register_clkdev() for mass registration
ARM: 8629/1: vfp: properly tag assembly function declarations in C code
ARM: 8622/3: add sysfs cpu_capacity attribute
ARM: 8621/3: parse cpu capacity-dmips-mhz from DT
ARM: 8623/1: mm: add ARM_L1_CACHE_SHIFT_7 for UniPhier outer cache
ARM: Update mach-types
ARM: sa1100: remove SA-1101 header file
ARM: 8619/1: udelay: document the various constants
ARM: wire up new pkey syscalls
ARM: convert to generated system call tables
ARM: remove indirection of asm/mach-types.h
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Refactor the oxnas Kconfig entries among the OX810SE and OX820 configs,
and add the files to support the OX820 SMP feature.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
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Convert ARM to use a similar mechanism to x86 to generate the unistd.h
system call numbers and the various kernel system call tables. This
means that rather than having to edit three places (asm/unistd.h for
the total number of system calls, uapi/asm/unistd.h for the system call
numbers, and arch/arm/kernel/calls.S for the call table) we have only
one place to edit, making the process much more simple.
The scripts have knowledge of the table padding requirements, so there's
no need to worry about __NR_syscalls not fitting within the immediate
constant field of ALU instructions anymore.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Arrange for mach-types.h to be directly generated in the relevant
path, so we don't need a one-liner file in arch/arm/include/asm/.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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We currently define OBJCOPYFLAGS in the top-level arm Makefile, and thus
these flags will be passed to all uses of objcopy, kernel-wide, for
which they are not explicitly overridden. The flags we set are intended
for converting a few ELF files into raw binaries, and thus the flags
chosen are problematic for some other uses which do not expect a raw
binary result, e.g. the upcoming lkdtm rodata test:
http://www.openwall.com/lists/kernel-hardening/2016/06/08/2
This patch localises the objcopy flags such that they are only used for
the cases we require them for today.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Kees Cook <keescook@chromium.org>
Tested-by: Laura Abbott <labbott@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The machine specific header files are exported for traditional
platforms, but not for the ones that use ARCH_MULTIPLATFORM, as
they could conflict with one another.
In case of ARM_SINGLE_ARMV7M, we end up also exporting them,
but that appears to be a mistake, and we should treat it the
same way as ARCH_MULTIPLATFORM here.
'make W=1' warns about this because it passes -Wmissing-includes
to gcc and the directories are not actually present.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Improved and new platform support for various SoCs:
New SoC support:
- Broadcom BCM23550
- Freescale i.MX7Solo
- Qualcomm MDM9615
- Renesas r8a7792
Improvements:
- convert clps711x to multiplatform
- debug uart improvements for Atmel platforms
- Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
- OMAP tweaks and improvements to hwmod
- OMAP support for kexec on SMP"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
ARM: davinci: fix build break because of undeclared dm365_evm_snd_data
ARM: s3c64xx: smartq: Avoid sparse warnings
ARM: sti: Implement dummy L2 cache's write_sec
ARM: STi: Update machine _namestr to be more generic.
arm: meson: explicitly select clk drivers
ARM: tango: add Suspend-to-RAM support
ARM: hisi: consolidate the hisilicon machine entries
ARM: tango: fix CONFIG_HOTPLUG_CPU=n build
MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry
MAINTAINERS: Update BCM63XX entry
MAINTAINERS: Add NS2 entry
MAINTAINERS: Fix nsp false-positives
MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries
ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs
ARM: clps711x: Switch to MULTIPLATFORM
ARM: clps711x: Remove boards support
ARM: clps711x: Add basic DT support
ARM: clps711x: Reduce static map size
ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu
ARM: oxnas: Change OX810SE default driver config
...
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Switch CLPS711X to multiplatform.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Commit 3939f3345050 ("ARM: 8418/1: add boot image dependencies to
not generate invalid images") fixed bad image generation for the
parallel building, but as its side effect, Kbuild now descends into
arch/arm/boot/ again and again, duplicating the log messages.
It looks clumsy, so let's display the same message only once.
This commit moves the log rules from arch/arm/boot/Makefile to
arch/arm/Makefile. I did not delete them completely because *Image
are the final targets that users are interested in.
Without this commit, the log of incremental build is like follows:
$ make ARCH=arm UIMAGE_LOADADDR=0x80208000 uImage
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
CHK include/generated/bounds.h
CHK include/generated/timeconst.h
CHK include/generated/asm-offsets.h
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
Kernel: arch/arm/boot/Image is ready
Kernel: arch/arm/boot/Image is ready
Kernel: arch/arm/boot/zImage is ready
Kernel: arch/arm/boot/Image is ready
Kernel: arch/arm/boot/zImage is ready
Image arch/arm/boot/uImage is ready
With this commit, it will look like follows:
$ make ARCH=arm UIMAGE_LOADADDR=0x80208000 uImage
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
CHK include/generated/bounds.h
CHK include/generated/timeconst.h
CHK include/generated/asm-offsets.h
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
Kernel: arch/arm/boot/Image is ready
Kernel: arch/arm/boot/zImage is ready
Kernel: arch/arm/boot/uImage is ready
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The Cortex-M Prototyping System (or V2M-MPS2) is designed for
prototyping and evaluation Cortex-M family of processors including the
latest Cortex-M7
It comes with a range of useful peripherals including 8MB single cycle
SRAM, 16MB PSRAM, Ethernet, QSVGA touch screen panel, 4bit RGB VGA
connector, Audio, SPI and GPIO.
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"Newly added support for additional SoCs:
- Axis Artpec-6 SoC family
- Allwinner A83T SoC
- Mediatek MT7623
- NXP i.MX6QP SoC
- ST Microelectronics stm32f469 microcontroller
New features:
- SMP support for Mediatek mt2701
- Big-endian support for NXP i.MX
- DaVinci now uses the new DMA engine dma_slave_map
- OMAP now uses the new DMA engine dma_slave_map
- earlyprintk support for palmchip uart on mach-tango
- delay timer support for orion
Other:
- Exynos PMU driver moved out to drivers/soc/
- Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP,
uniphier"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: uniphier: rework SMP code to support new System Bus binding
ARM: uniphier: add missing of_node_put()
ARM: at91: avoid defining CONFIG_* symbols in source code
ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
ARM: imx: Make reset_control_ops const
ARM: imx: Do L2 errata only if the L2 cache isn't enabled
ARM: imx: select ARM_CPU_SUSPEND only for imx6
dmaengine: pxa_dma: fix the maximum requestor line
ARM: alpine: select the Alpine MSI controller driver
ARM: pxa: add the number of DMA requestor lines
dmaengine: mmp-pdma: add number of requestors
dma: mmp_pdma: Add the #dma-requests DT property documentation
ARM: OMAP2+: Add rtc hwmod configuration for ti81xx
ARM: s3c24xx: Avoid warning for inb/outb
ARM: zynq: Move early printk virtual address to vmalloc area
ARM: DRA7: hwmod: Add custom reset handler for PCIeSS
ARM: SAMSUNG: Remove unused register offset definition
ARM: EXYNOS: Cleanup header files inclusion
drivers: soc: samsung: Enable COMPILE_TEST
MAINTAINERS: Add maintainers entry for drivers/soc/samsung
...
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Basic machine port for the Artpec-6 SoC from Axis
Communications.
Signed-off-by: Lars Persson <larper@axis.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
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These two targets were introduced by commit 13d5fadf45d1 ("[ARM]
Make 'i' and 'zi' targets work") to short-circuit the dependencies
for 'install' and 'zinstall'.
After that, commit 19514fc665ff ('arm, kbuild: make "make install"
not depend on vmlinux') eventually made "(z)install" equivalent to
"(z)i".
It is true that 'i' and 'zi' might be still useful as shorthands
but the original intention had been already lost.
They do not even show up in "make ARCH=arm help", so I hope this
deletion does not have much impact.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC defconfig updates from Olof Johansson:
"As usual, a bunch of commits, mostly adding drivers and other options
to defconfigs because it makes sense to have them enabled on various
development or product boards. Too much to enumerate each here.
There's an introduction of a pxa_defconfig, since PXA finally will
allow building a shared kernel for all boards. With this, we can
hopefully remove a bunch of individual defconfigs down the road but it
requires a bit of real life testing and transition period"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (65 commits)
ARM: Add CONFIG_DEPRECATED_PARAM_STRUCT to netwinder_defconfig
ARM: multi_v7_defconfig: Add rockchip audio support
arm: multi_v7_defconfig: Add virtio drivers
ARM: zx_defconfig: remove CONFIG_MMC_DW_IDMAC
ARM: versatile: enable the right LEDs
ARM: pxa: add defconfig covering all the boards
ARM: versatile: select some defaults in defconfig
ARM: multi_v7_defconfig: Enable fan, sensors and audio for Odroid XU3
ARM: bcm2835: enable auxiliary spi driver in defconfig
ARM: bcm2835: enable all bcm2835-relevant in defconfig
ARM: default to multi_v7_defconfig
ARM: multi_v7_defconfig: enable rk808 clkout module
ARM: multi_v7_defconfig: enable rockchip crypto module
ARM: multi_v7_defconfig: enable Rockchip io-domain driver
ARM: multi_v7_defconfig: Enable generic SoC internal OMAP regulators
ARM: multi_v7_defconfig: Enable AM437x PMIC TPS65218
ARM: multi_v7_defconfig: enable TPS65217 regulator
ARM: realview: select apropriate targets
ARM: defconfig: qcom: Enable SSBI drivers
ARM: defconfig: Update qcom_defconfig
...
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versatile_defconfig has not been a reasonable default for a very long
time, there is very little work happening on this platform and it's
based on an old ARM926 CPU core.
This changes the default to multi_v7_defconfig, which is much more
relevant to anyone doing a build test on ARM, as it covers a wide
range of platforms.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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Support Sigma Designs ARM-based (specifically, Cortex-A9 MPCore r3p0)
Tango4 "Secure Media Processor" platforms: smp8756, smp8758, smp8759
(8756 is single-core, the latter are dual-core).
Note: 8758 vs 8759: same chip, different package.
Support for older MIPS-based platforms can be found elsewhere:
https://github.com/mansr/linux-tangox
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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While working on the 32-bit ARM port of UEFI, I noticed a strange
corruption in the kernel log. The following snprintf() statement
(in drivers/firmware/efi/efi.c:efi_md_typeattr_format())
snprintf(pos, size, "|%3s|%2s|%2s|%2s|%3s|%2s|%2s|%2s|%2s]",
was producing the following output in the log:
| | | | | |WB|WT|WC|UC]
| | | | | |WB|WT|WC|UC]
| | | | | |WB|WT|WC|UC]
|RUN| | | | |WB|WT|WC|UC]*
|RUN| | | | |WB|WT|WC|UC]*
| | | | | |WB|WT|WC|UC]
|RUN| | | | |WB|WT|WC|UC]*
| | | | | |WB|WT|WC|UC]
|RUN| | | | | | | |UC]
|RUN| | | | | | | |UC]
As it turns out, this is caused by incorrect code being emitted for
the string() function in lib/vsprintf.c. The following code
if (!(spec.flags & LEFT)) {
while (len < spec.field_width--) {
if (buf < end)
*buf = ' ';
++buf;
}
}
for (i = 0; i < len; ++i) {
if (buf < end)
*buf = *s;
++buf; ++s;
}
while (len < spec.field_width--) {
if (buf < end)
*buf = ' ';
++buf;
}
when called with len == 0, triggers an issue in the GCC SRA optimization
pass (Scalar Replacement of Aggregates), which handles promotion of signed
struct members incorrectly. This is a known but as yet unresolved issue.
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932). In this particular
case, it is causing the second while loop to be executed erroneously a
single time, causing the additional space characters to be printed.
So disable the optimization by passing -fno-ipa-sra.
Cc: <stable@vger.kernel.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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U-Boot is often used to boot the kernel on ARM boards, but uImage
is not built by "make all", so we are often inclined to do
"make all uImage" to generate DTBs, modules and uImage in a single
command, but we should notice a pitfall behind it. In fact,
"make all uImage" could generate an invalid uImage if it is run with
the parallel option (-j).
You can reproduce this problem with the following procedure:
[1] First, build "all" and "uImage" separately.
You will get a valid uImage
$ git clean -f -x -d
$ export CROSS_COMPILE=<your-tools-prefix>
$ make -s -j8 ARCH=arm multi_v7_defconfig
$ make -s -j8 ARCH=arm all
$ make -j8 ARCH=arm UIMAGE_LOADADDR=0x80208000 uImage
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' is up to date.
CHK include/generated/timeconst.h
CHK include/generated/bounds.h
CHK include/generated/asm-offsets.h
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
Kernel: arch/arm/boot/Image is ready
Kernel: arch/arm/boot/zImage is ready
UIMAGE arch/arm/boot/uImage
Image Name: Linux-4.2.0-rc5-00156-gdd2384a-d
Created: Sat Aug 8 23:21:35 2015
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 6138648 Bytes = 5994.77 kB = 5.85 MB
Load Address: 80208000
Entry Point: 80208000
Image arch/arm/boot/uImage is ready
$ ls -l arch/arm/boot/*Image
-rwxrwxr-x 1 masahiro masahiro 13766656 Aug 8 23:20 arch/arm/boot/Image
-rw-rw-r-- 1 masahiro masahiro 6138712 Aug 8 23:21 arch/arm/boot/uImage
-rwxrwxr-x 1 masahiro masahiro 6138648 Aug 8 23:20 arch/arm/boot/zImage
[2] Update some source file(s)
$ touch init/main.c
[3] Then, re-build "all" and "uImage" simultaneously.
You will get an invalid uImage at random.
$ make -j8 ARCH=arm UIMAGE_LOADADDR=0x80208000 all uImage
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' is up to date.
CHK include/generated/timeconst.h
CHK include/generated/bounds.h
CHK include/generated/asm-offsets.h
CALL scripts/checksyscalls.sh
CC init/main.o
CHK include/generated/compile.h
LD init/built-in.o
LINK vmlinux
LD vmlinux.o
MODPOST vmlinux.o
GEN .version
CHK include/generated/compile.h
UPD include/generated/compile.h
CC init/version.o
LD init/built-in.o
KSYM .tmp_kallsyms1.o
KSYM .tmp_kallsyms2.o
LD vmlinux
SORTEX vmlinux
SYSMAP System.map
OBJCOPY arch/arm/boot/Image
Building modules, stage 2.
Kernel: arch/arm/boot/Image is ready
GZIP arch/arm/boot/compressed/piggy.gzip
AS arch/arm/boot/compressed/piggy.gzip.o
Kernel: arch/arm/boot/Image is ready
LD arch/arm/boot/compressed/vmlinux
GZIP arch/arm/boot/compressed/piggy.gzip
OBJCOPY arch/arm/boot/zImage
Kernel: arch/arm/boot/zImage is ready
UIMAGE arch/arm/boot/uImage
Image Name: Linux-4.2.0-rc5-00156-gdd2384a-d
Created: Sat Aug 8 23:23:14 2015
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 26472 Bytes = 25.85 kB = 0.03 MB
Load Address: 80208000
Entry Point: 80208000
Image arch/arm/boot/uImage is ready
MODPOST 192 modules
AS arch/arm/boot/compressed/piggy.gzip.o
LD arch/arm/boot/compressed/vmlinux
OBJCOPY arch/arm/boot/zImage
Kernel: arch/arm/boot/zImage is ready
$ ls -l arch/arm/boot/*Image
-rwxrwxr-x 1 masahiro masahiro 13766656 Aug 8 23:23 arch/arm/boot/Image
-rw-rw-r-- 1 masahiro masahiro 26536 Aug 8 23:23 arch/arm/boot/uImage
-rwxrwxr-x 1 masahiro masahiro 6138648 Aug 8 23:23 arch/arm/boot/zImage
Please notice the uImage is extremely small when this issue is
encountered. Besides, "Kernel: arch/arm/boot/zImage is ready" is
displayed twice, before and after the uImage log.
The root cause of this is the race condition between zImage and
uImage. Actually, uImage depends on zImage, but the dependency
between the two is only described in arch/arm/boot/Makefile.
Because arch/arm/boot/Makefile is not included from the top-level
Makefile, it cannot know the dependency between zImage and uImage.
Consequently, when we run make with the parallel option, Kbuild
updates vmlinux first, and then two different threads descends into
the arch/arm/boot/Makefile almost at the same time, one for updating
zImage and the other for uImage. While one thread is re-generating
zImage, the other also tries to update zImage before creating uImage
on top of that. zImage is overwritten by the slower thread and then
uImage is created based on the half-written zImage.
This is the reason why "Kernel: arch/arm/boot/zImage is ready" is
displayed twice, and a broken uImage is created.
The same problem could happen on bootpImage.
This commit adds dependencies among Image, zImage, uImage, and
bootpImage to arch/arm/Makefile, which is included from the
top-level Makefile.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Pull ARM updates from Russell King:
"Bigger items included in this update are:
- A series of updates from Arnd for ARM randconfig build failures
- Updates from Dmitry for StrongARM SA-1100 to move IRQ handling to
drivers/irqchip/
- Move ARMs SP804 timer to drivers/clocksource/
- Perf updates from Mark Rutland in preparation to move the ARM perf
code into drivers/ so it can be shared with ARM64.
- MCPM updates from Nicolas
- Add support for taking platform serial number from DT
- Re-implement Keystone2 physical address space switch to conform to
architecture requirements
- Clean up ARMv7 LPAE code, which goes in hand with the Keystone2
changes.
- L2C cleanups to avoid unlocking caches if we're prevented by the
secure support to unlock.
- Avoid cleaning a potentially dirty cache containing stale data on
CPU initialisation
- Add ARM-only entry point for secondary startup (for machines that
can only call into a Thumb kernel in ARM mode). Same thing is also
done for the resume entry point.
- Provide arch_irqs_disabled via asm-generic
- Enlarge ARMv7M vector table
- Always use BFD linker for VDSO, as gold doesn't accept some of the
options we need.
- Fix an incorrect BSYM (for Thumb symbols) usage, and convert all
BSYM compiler macros to a "badr" (for branch address).
- Shut up compiler warnings provoked by our cmpxchg() implementation.
- Ensure bad xchg sizes fail to link"
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (75 commits)
ARM: Fix build if CLKDEV_LOOKUP is not configured
ARM: fix new BSYM() usage introduced via for-arm-soc branch
ARM: 8383/1: nommu: avoid deprecated source register on mov
ARM: 8391/1: l2c: add options to overwrite prefetching behavior
ARM: 8390/1: irqflags: Get arch_irqs_disabled from asm-generic
ARM: 8387/1: arm/mm/dma-mapping.c: Add arm_coherent_dma_mmap
ARM: 8388/1: tcm: Don't crash when TCM banks are protected by TrustZone
ARM: 8384/1: VDSO: force use of BFD linker
ARM: 8385/1: VDSO: group link options
ARM: cmpxchg: avoid warnings from macro-ized cmpxchg() implementations
ARM: remove __bad_xchg definition
ARM: 8369/1: ARMv7M: define size of vector table for Vybrid
ARM: 8382/1: clocksource: make ARM_TIMER_SP804 depend on GENERIC_SCHED_CLOCK
ARM: 8366/1: move Dual-Timer SP804 driver to drivers/clocksource
ARM: 8365/1: introduce sp804_timer_disable and remove arm_timer.h inclusion
ARM: 8364/1: fix BE32 module loading
ARM: 8360/1: add secondary_startup_arm prototype in header file
ARM: 8359/1: correct secondary_startup_arm mode
ARM: proc-v7: sanitise and document registers around errata
ARM: proc-v7: clean up MIDR access
...
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Add basic code for ZTE ZX296702 platform.
[arnd: removed unused zx296702_init_machine function, and changed
l2c aux val to default]
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add support for NXP's LPC18xx (Cortex-M3) and LPC43xx (Cortex-M4)
SoCs. These SoCs are NXP's high preformance MCU line and can run at
clock speeds up to 180 MHz for LPC18xx and 204 MHz for LPC43xx.
LPC43xx is more or less a LPC18xx with a Cortex-M4F core and a few
extra peripherals. The LPC43xx series also features one or two
Cortex-M0 cores that can be used to offload the main M4 core.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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STMicrolectronics's STM32 series is a family of Cortex-M
microcontrollers. It is used in various applications, and
proposes a wide range of peripherals.
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Initial commit for a new SoC family, UniPhier, developed by
Socionext Inc. (formerly, System LSI Business Division of
Panasonic Corporation).
This commit includes a minimal set of components for booting the
kernel, including SMP support.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Loading modules far away from the kernel in memory is problematic
because the 'bl' instruction only has limited reach, and modules are not
built with PLTs. Instead of using the -mlong-calls option (which affects
all compiler emitted bl instructions, but not the ones in assembler),
this patch allocates some additional space at module load time, and
populates it with PLT like veneers when encountering relocations that
are out of range.
This should work with all relocations against symbols exported by the
kernel, including those resulting from GCC generated implicit function
calls for ftrace etc.
The module memory size increases by about 5% on average, regardless of
whether any PLT entries were actually needed. However, due to the page
based rounding that occurs when allocating module memory, the average
memory footprint increase is negligible.
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Our SoC branch usually contains expanded support for new SoCs and
other core platform code. In this case, that includes:
- support for the new Annapurna Labs "Alpine" platform
- a rework greatly simplifying adding new platform support to the
MCPM subsystem (Multi-cluster power management)
- cpuidle and PM improvements for Exynos3250
- misc updates for Renesas, OMAP, Meson, i.MX. Some of these could
have gone in other branches but ended up here for various reasons"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
ARM: alpine: add support for generic pci
ARM: Exynos: migrate DCSCB to the new MCPM backend abstraction
ARM: vexpress: migrate DCSCB to the new MCPM backend abstraction
ARM: vexpress: DCSCB: tighten CPU validity assertion
ARM: vexpress: migrate TC2 to the new MCPM backend abstraction
ARM: MCPM: move the algorithmic complexity to the core code
ARM: EXYNOS: allow cpuidle driver usage on Exynos3250 SoC
ARM: EXYNOS: add AFTR mode support for Exynos3250
ARM: EXYNOS: add code for setting/clearing boot flag
ARM: EXYNOS: fix CPU1 hotplug on Exynos3250
ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
ARM: cygnus: fix const declaration bcm_cygnus_dt_compat
ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
ARM: EXYNOS: Remove left over 'extra_save'
ARM: EXYNOS: Constify exynos_pm_data array
ARM: EXYNOS: use static in suspend.c
ARM: EXYNOS: Use platform device name as power domain name
ARM: EXYNOS: add support for async-bridge clocks for pm_domains
ARM: omap-device: add missed callback for suspend-to-disk
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"We've got a fairly large cleanup branch this time. The bulk of this
is removal of non-DT platforms of several flavors:
- Atmel at91 platforms go full-DT, with removal of remaining
board-file based support
- OMAP removes legacy board files for three more platforms
- removal of non-DT mach-msm, newer Qualcomm platforms now live in
mach-qcom
- Freescale i.MX25 also removes non-DT platform support"
Most of the rest of the changes here are fallout from the above, i.e. for
example removal of drivers that now lack platforms, etc.
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits)
mmc: Remove msm_sdcc driver
gpio: Remove gpio-msm-v1 driver
ARM: Remove mach-msm and associated ARM architecture code
ARM: shmobile: cpuidle: Remove the pointless default driver
ARM: davinci: dm646x: Add interrupt resource for McASPs
ARM: davinci: irqs: Correct McASP1 TX interrupt definition for DM646x
ARM: davinci: dm646x: Clean up the McASP DMA resources
ARM: davinci: devices-da8xx: Add support for McASP2 on da830
ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation
ARM: davinci: devices-da8xx: Add interrupt resource to McASP structs
ARM: davinci: devices-da8xx: Add resource name for the McASP DMA request
ARM: OMAP2+: Remove legacy support for omap3 TouchBook
ARM: OMAP3: Remove legacy support for devkit8000
ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board
ARM: shmobile: Consolidate the pm code for R-Car Gen2
ARM: shmobile: r8a7791: Correct SYSCIER value
ARM: shmobile: r8a7790: Correct SYSCIER value
ARM: at91: remove old setup
ARM: at91: sama5d4: remove useless map_io
ARM: at91: sama5 use SoC detection infrastructure
...
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Conflicts:
arch/arm/mm/proc-macros.S
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When building a very large kernel, it is up to the linker to decide
when and where to insert stubs to allow calls to functions that are
out of range for the ordinary b/bl instructions.
However, since the kernel is built as a position dependent binary,
these stubs (aka veneers) may contain absolute addresses, which will
break far calls performed with the MMU off.
For instance, the call from __enable_mmu() in the .head.text section
to __turn_mmu_on() in the .idmap.text section may be turned into
something like this:
c0008168 <__enable_mmu>:
c0008168: f020 0002 bic.w r0, r0, #2
c000816c: f420 5080 bic.w r0, r0, #4096
c0008170: f000 b846 b.w c0008200 <____turn_mmu_on_veneer>
[...]
c0008200 <____turn_mmu_on_veneer>:
c0008200: 4778 bx pc
c0008202: 46c0 nop
c0008204: e59fc000 ldr ip, [pc]
c0008208: e12fff1c bx ip
c000820c: c13dfae1 teqgt sp, r1, ror #21
[...]
c13dfae0 <__turn_mmu_on>:
c13dfae0: 4600 mov r0, r0
[...]
After adding --pic-veneer to the LDFLAGS, the veneer is emitted like
this instead:
c0008200 <____turn_mmu_on_veneer>:
c0008200: 4778 bx pc
c0008202: 46c0 nop
c0008204: e59fc004 ldr ip, [pc, #4]
c0008208: e08fc00c add ip, pc, ip
c000820c: e12fff1c bx ip
c0008210: 013d7d31 teqeq sp, r1, lsr sp
c0008214: 00000000 andeq r0, r0, r0
Note that this particular example is best addressed by moving
.head.text and .idmap.text closer together, but this issue could
potentially affect any code that needs to execute with the
MMU off.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Allow users to enable the vdso in Kconfig; include the vdso in the
build if CONFIG_VDSO is enabled. Add 'vdso_install' target.
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The maintainers for mach-msm no longer have any plans to support
or test the platforms supported by this architecture[1]. Most likely
there aren't any active users of this code anyway, so let's
delete it.
[1] http://lkml.kernel.org/r/20150307031212.GA8434@fifo99.com
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
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This patch introduces initial architecture and device-tree support.
Signed-off-by: Saeed Bishara <saeed@annapurnalabs.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Make the digicolor specific DT_MACHINE_START entry visible.
Fixes: df8d742e929 (ARM: initial support for Conexant Digicolor CX92755 SoC)
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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In discussion on LKML (https://lkml.org/lkml/2014/11/28/158), Russell
King suggests to move all probe related code to arch/arm/probes. This
patch does the work. Due to dependency on 'arch/arm/kernel/patch.h', this
patch also moves patch.h to 'arch/arm/include/asm/patch.h', and related
'#include' directives are also midified to '#include <asm/patch.h>'.
Following is an overview of this patch:
./arch/arm/kernel/ ./arch/arm/probes/
|-- Makefile |-- Makefile
|-- probes-arm.c ==> |-- decode-arm.c
|-- probes-arm.h ==> |-- decode-arm.h
|-- probes-thumb.c ==> |-- decode-thumb.c
|-- probes-thumb.h ==> |-- decode-thumb.h
|-- probes.c ==> |-- decode.c
|-- probes.h ==> |-- decode.h
| |-- kprobes
| | |-- Makefile
|-- kprobes-arm.c ==> | |-- actions-arm.c
|-- kprobes-common.c ==> | |-- actions-common.c
|-- kprobes-thumb.c ==> | |-- actions-thumb.c
|-- kprobes.c ==> | |-- core.c
|-- kprobes.h ==> | |-- core.h
|-- kprobes-test-arm.c ==> | |-- test-arm.c
|-- kprobes-test.c ==> | |-- test-core.c
|-- kprobes-test.h ==> | |-- test-core.h
|-- kprobes-test-thumb.c ==> | `-- test-thumb.c
| `-- uprobes
| |-- Makefile
|-- uprobes-arm.c ==> |-- actions-arm.c
|-- uprobes.c ==> |-- core.c
|-- uprobes.h ==> `-- core.h
|
`-- patch.h ==> arch/arm/include/asm/patch.h
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
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The machine description is not needed to build dtb files.
Signed-off-by: Robert Richter <rrichter@cavium.com>
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Add dtb files to build targets and let kbuild handle them. Thus,
special dtbs rules can be removed. This eases Makefiles and the
implementation of the support of vendor dtb subdirectories.
Signed-off-by: Robert Richter <rrichter@cavium.com>
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Move dtbs install rules to Makefile.dtbinst. This change is needed to
implement support for dts vendor subdirs. The change makes Makefiles
easier and smaller as no longer the dtbs_install rule needs to be
defined. Another advantage is that install goals are not encoded in
targets anymore (%.dtb_dtbinst_).
Signed-off-by: Robert Richter <rrichter@cavium.com>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild changes from Michal Marek:
- fix for handling dependencies of *-objs targets by Masahiro Yamada
- lots of cleanups in the kbuild machinery, also by Masahiro
- fixes for the kconfig build to use an UTF-8 capable ncurses library
if possible and to build on not-so-standard installs
- some more minor fixes
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Do not reference *-n variables in the Makefile
kbuild: simplify build, clean, modbuiltin shorthands
kbuild: arm: Do not define "comma" twice
kbuild: remove obj-n and lib-n handling
kbuild: remove unnecessary variable initializaions
kbuild: remove unnecessary "obj- := dummy.o" trick
kbuild: handle C=... and M=... after entering into build directory
kbuild: use $(Q) for sub-make target
kbuild: fake the "Entering directory ..." message more simply
kconfig/lxdialog: get ncurses CFLAGS with pkg-config
kconfig: nconfig: fix multi-byte UTF handling
kconfig: lxdialog: fix spelling
kbuild: Make scripts executable
kbuild: remove redundant clean-files from scripts/kconfig/Makefile
kbuild: refactor script/kconfig/Makefile
kbuild: handle the dependency of multi-objs hostprogs appropriately
kbuild: handle multi-objs dependency appropriately
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Arnd Bergmann:
"New and updated SoC support. Among the things new for this release
are:
- at91: Added support for the new SAMA5D4 SoC, following the earlier
SAMA5D3
- bcm: Added support for BCM63XX family of DSL SoCs
- hisi: Added support for HiP04 server-class SoC
- meson: Initial support for the Amlogic Meson6 (aka 8726MX) platform
- shmobile: added support for new r8a7794 (R-Car E2) automotive SoC
Noteworthy changes to existing SoC support are:
- imx: convert i.MX1 to device tree
- omap: lots of power management work
- omap: base support to enable moving to standard UART driver
- shmobile: lots of progress for multiplatform support, still
ongoing"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (171 commits)
ARM: hisi: depend on ARCH_MULTI_V7
CNS3xxx: Fix debug UART.
ARM: at91: fix nommu build regression
ARM: meson: add basic support for MesonX SoCs
ARM: meson: debug: add debug UART for earlyprintk support
irq: Export handle_fasteoi_irq
ARM: mediatek: Add earlyprintk support for mt6589
ARM: hisi: Fix platmcpm compilation when ARMv6 is selected
ARM: debug: fix alphanumerical order on debug uarts
ARM: at91: document Atmel SMART compatibles
ARM: at91: add sama5d4 support to sama5_defconfig
ARM: at91: dt: add device tree file for SAMA5D4ek board
ARM: at91: dt: add device tree file for SAMA5D4 SoC
ARM: at91: SAMA5D4 SoC detection code and low level routines
ARM: at91: introduce basic SAMA5D4 support
clk: at91: add a driver for the h32mx clock
ARM: pxa3xx: provide specific platform_devices for all ssp ports
ARM: pxa: ssp: provide platform_device_id for PXA3xx
ARM: OMAP4+: Remove static iotable mappings for SRAM
ARM: OMAP4+: Move SRAM data to DT
...
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