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The MIPS kernel memset / bzero implementation includes a small_memset
branch which is used when the region to be set is smaller than a long (4
bytes on 32bit, 8 bytes on 64bit). The current small_memset
implementation uses a simple store byte loop to write the destination.
There are 2 issues with this implementation:
1. When EVA mode is active, user and kernel address spaces may overlap.
Currently the use of the sb instruction means kernel mode addressing is
always used and an intended write to userspace may actually overwrite
some critical kernel data.
2. If the write triggers a page fault, for example by calling
__clear_user(NULL, 2), instead of gracefully handling the fault, an OOPS
is triggered.
Fix these issues by replacing the sb instruction with the EX() macro,
which will emit EVA compatible instuctions as required. Additionally
implement a fault fixup for small_memset which sets a2 to the number of
bytes that could not be cleared (as defined by __clear_user).
Reported-by: Chuanhua Lei <chuanhua.lei@intel.com>
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/18975/
Signed-off-by: James Hogan <jhogan@kernel.org>
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dtc recently (v1.4.4-8-g756ffc4f52f6) added PCI bus checks. Fix the
warnings now emitted:
arch/mips/boot/dts/img/boston.dtb: Warning (pci_bridge): /pci@10000000: missing bus-range for PCI bridge
arch/mips/boot/dts/img/boston.dtb: Warning (pci_bridge): /pci@12000000: missing bus-range for PCI bridge
arch/mips/boot/dts/img/boston.dtb: Warning (pci_bridge): /pci@14000000: missing bus-range for PCI bridge
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/19070/
Signed-off-by: James Hogan <jhogan@kernel.org>
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While a barrier is present in the writeX() functions before the register
write, a similar barrier is missing in the readX() functions after the
register read. This could allow memory accesses following readX() to
observe stale data.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/19069/
[jhogan@kernel.org: Tidy commit message]
Signed-off-by: James Hogan <jhogan@kernel.org>
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writeX() has strong ordering semantics with respect to memory updates.
In the absence of a write barrier or a compiler barrier, the compiler
can reorder register and memory update instructions. This breaks the
writeX() API.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18997/
[jhogan@kernel.org: Tidy commit message]
Signed-off-by: James Hogan <jhogan@kernel.org>
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The original patch submitted for support of the Luxul XWR-1750 used a
non-standard button handler for the reset button. This patch will allow
using the standard KEY_RESTART
Signed-off-by: Dan Haab <dan.haab@luxul.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18981/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Some Luxul devices use PCIe connected GPIO LEDs that are not available
until the PCI subsytem and its drivers load. Using the same array for
these LEDs would block registering any LEDs until all GPIOs become
available. This may be undesired behavior as some LEDs should be
available as early as possible (e.g. system status LED). This patch will
allow registering available LEDs while deferring these PCIe GPIO
connected 'extra' LEDs until they become available.
Signed-off-by: Dan Haab <dan.haab@luxul.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18952/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Make the default for PHYSICAL_START always 64-bit, ensuring that a
correct sign-extended value is used if a 32-bit image is loaded by a
64-bit system, and matching how the load address is set in platform
Makefile fragments (arch/mips/*/Platform) in the absence of the
PHYSICAL_START configuration option.
Of course PHYSICAL_START itself is a misnomer as the load address is
virtual rather than physical (or otherwise sign-extension would not
apply).
Fixes: 7aa1c8f47e7e ("MIPS: kdump: Add support")
Signed-off-by: Maciej W. Rozycki <macro@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Maxim Uvarov <muvarov@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18939/
Signed-off-by: James Hogan <jhogan@kernel.org>
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In order to fetch the correct entry point with the ISA bit included, for
use by non-ELF boot loaders, parse the output of `objdump -f' for the
start address recorded in the kernel executable itself, rather than
using `nm' to get the value of the `kernel_entry' symbol.
Sign-extend the address retrieved if 32-bit, so that execution is
correctly started on 64-bit processors as well. The tool always prints
the entry point using either 8 or 16 hexadecimal digits, matching the
address width (aka class) of the ELF file, even in the presence of
leading zeros.
Signed-off-by: Maciej W. Rozycki <macro@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18912/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Add myself as a maintainer for the Microsemi MIPS SoCs.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Allan Nielsen <Allan.Nielsen@microsemi.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18857/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Introduce support for the MIPS based Microsemi Ocelot SoCs.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Allan Nielsen <Allan.Nielsen@microsemi.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18858/
[jhogan@kernel.org: update ocelot_defconfig specification]
Signed-off-by: James Hogan <jhogan@kernel.org>
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Add a device tree for the Microsemi Ocelot PCB123 evaluation board.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Allan Nielsen <Allan.Nielsen@microsemi.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/18856/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Add a device tree include file for the Microsemi Ocelot SoC.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Allan Nielsen <Allan.Nielsen@microsemi.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/18855/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Add bindings for Microsemi SoCs. Currently only Ocelot is supported.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Rob Herring <robh+dt@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Allan Nielsen <Allan.Nielsen@microsemi.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18854/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Microsemi Corporation provides semiconductor and system solutions for
aerospace & defense, communications, data center and industrial markets.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Allan Nielsen <Allan.Nielsen@microsemi.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18853/
Signed-off-by: James Hogan <jhogan@kernel.org>
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According to the QCA u-boot source the "PCIE Phase Lock Loop
Configuration (PCIE_PLL_CONFIG)" register is for all SoCs except the
QCA955X and QCA956X at offset 0x10.
Since the PCIE PLL config register is only defined for the AR724x fix
only this value. The value is wrong since the day it was added and isn't
used by any driver yet.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16048/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Use PCIe support for MT7628AN also on MT7688.
Tested on WRTNODE2R.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Cc: John Crispin <john@phrozen.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: linux-mediatek@lists.infradead.org
Patchwork: https://patchwork.linux-mips.org/patch/16223/
Signed-off-by: James Hogan <jhogan@kernel.org>
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If a JTAG probe is connected to a MIPS cluster, then the CPC detects it
and latches the CPC.STAT_CONF.EJTAG_PROBE bit to 1. While set,
attempting to send a power-down command to a core will be blocked, and
the CPC will instead send the core to clock-off state. This can
interfere with systems fully entering a low power state where all cores,
CM, GIC, etc are powered down.
Detect that a JTAG probe is / has been connected to the cluster and
block the suspend attempt.
Attempting to suspend the system while a JTAG probe is connected now
yields:
# echo mem > /sys/power/state
[ 11.654000] PM: Syncing filesystems ... done.
[ 11.658000] JTAG probe is connected - abort suspend
-sh: echo: write error: Operation not permitted
#
To restore suspend, the JTAG probe should be disconnected or put into
quiescent state. Platform code can then clear the
CPC.STAT_CONF.EJTAG_PROBE bit.
Reported-by: Ed Blake <ed.blake@sondrel.com>
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18641/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Remove the need to check that __mips_isa_rev is defined by using the
newly added MIPS_ISA_REV.
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18678/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Remove the need to check that __mips_isa_rev is defined by using the
newly added MIPS_ISA_REV.
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18677/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Remove the need to check that __mips_isa_rev is defined by using the
newly added MIPS_ISA_REV.
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: "Maciej W. Rozycki" <macro@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18675/
Signed-off-by: James Hogan <jhogan@kernel.org>
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There are multiple instances in the kernel where we need to include or
exclude particular instructions based on the ISA revision of the target
processor. For MIPS32 / MIPS64, the compiler exports a __mips_isa_rev
define. However, when targeting MIPS I - V, this define is absent. This
leads to each use of __mips_isa_rev having to check that it is defined
first. To simplify this, introduce the isa-rev.h header which always
exports MIPS_ISA_REV. The name is changed so as to avoid confusion with
the compiler builtin and to avoid accidentally using the builtin.
MIPS_ISA_REV is defined to the compilers builtin if provided, or 0,
which satisfies all current usages.
Suggested-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Reviewed-by: Maciej W. Rozycki <macro@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18676/
Signed-off-by: James Hogan <jhogan@kernel.org>
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The generic MIPS implementations of halting, powering down or restarting
the system all hang using a busy loop as a last resort. We have many
platforms which avoid this loop by implementing their own, many using
some variation upon executing a wait instruction to lower CPU power
usage if we reach this point.
In order to prepare for cleaning up these various custom implementations
of the same thing, this patch makes the generic machine_halt(),
machine_power_off() & machine_restart() functions each make use of the
wait instruction to lower CPU power usage in cases where we know that
the wait instruction is available. If wait isn't known to be supported
then we fall back to calling cpu_wait(), and if we don't have a
cpu_wait() callback then we effectively continue using a busy loop.
In effect the new machine_hang() function provides a superset of the
functionality that the various platforms currently provide differing
subsets of.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17178/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Replace sscanf() with mac_pton().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17982/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Adds watchdog device nodes to BCM7xxx MIPS based SoCs.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17729/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Adds wake-up timer device nodes to BCM7xxx MIPS based SoCs.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17728/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Adds power management nodes to BCM7xxx MIPS based SoCs.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17727/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Expand the MIPS Makefile help text to list generic board names, generic
defconfigs, and legacy defconfigs which have been converted to generic
and are still usable.
Here's a snippet of the new "make ARCH=mips help" output:
...
If you are targeting a system supported by generic kernels you may
configure the kernel for a given architecture target like so:
{micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">
Where BOARDS is some subset of the following:
boston
ni169445
ranchu
sead-3
xilfpga
Specifically the following generic default configurations are
supported:
32r1_defconfig - Build generic kernel for MIPS32 r1
32r1el_defconfig - Build generic kernel for MIPS32 r1 little endian
32r2_defconfig - Build generic kernel for MIPS32 r2
32r2el_defconfig - Build generic kernel for MIPS32 r2 little endian
32r6_defconfig - Build generic kernel for MIPS32 r6
32r6el_defconfig - Build generic kernel for MIPS32 r6 little endian
64r1_defconfig - Build generic kernel for MIPS64 r1
64r1el_defconfig - Build generic kernel for MIPS64 r1 little endian
64r2_defconfig - Build generic kernel for MIPS64 r2
64r2el_defconfig - Build generic kernel for MIPS64 r2 little endian
64r6_defconfig - Build generic kernel for MIPS64 r6
64r6el_defconfig - Build generic kernel for MIPS64 r6 little endian
micro32r2_defconfig - Build generic kernel for microMIPS32 r2
micro32r2el_defconfig - Build generic kernel for microMIPS32 r2 little endian
The following legacy default configurations have been converted to
generic and can still be used:
sead3_defconfig - Build 32r2el_defconfig BOARDS=sead-3
sead3micro_defconfig - Build micro32r2el_defconfig BOARDS=sead-3
xilfpga_defconfig - Build 32r2el_defconfig BOARDS=xilfpga
...
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Matt Redfearn <matt.redfearn@mips.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kbuild@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/18598/
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Define legacy defconfigs which have been converted to the generic
platform more programatically, so that they can be listed in the
Makefile help text and as a separate Makefile target without
duplication.
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Matt Redfearn <matt.redfearn@mips.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kbuild@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/18596/
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Enable the crc32-mips module on MIPS generic r6 configs, where the
required MIPS r6 CRC instructions may be available.
As well as allowing the CRC instructions to be utilised, this should
also ensure the module gets some build coverage.
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Marcin Nowakowski <marcin.nowakowski@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18602/
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This module registers crc32 and crc32c algorithms that use the
optional CRC32[bhwd] and CRC32C[bhwd] instructions in MIPSr6 cores.
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@mips.com>
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-mips@linux-mips.org
Cc: linux-crypto@vger.kernel.org
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Patchwork: https://patchwork.linux-mips.org/patch/18601/
[jhogan@kernel.org: Add CRYPTO_ALG_OPTIONAL_KEY flag on Eric Biggers'
suggestion, due to commit a208fa8f3303 ("crypto: hash - annotate
algorithms taking optional key") in v4.16-rc1]
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Indicate that CRC32 and CRC32C instuctions are supported by the CPU
through elf_hwcap flags.
This will be used by a follow-up commit that introduces crc32(c) crypto
acceleration modules and is required by GENERIC_CPU_AUTOPROBE feature.
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@mips.com>
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18600/
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Rewrite the comparison in `else if` statement, case where `min_low_pfn >
ARCH_PFN_OFFSET` has already been checked in the first `if` statement:
if (min_low_pfn > ARCH_PFN_OFFSET) {
Fix non-fatal warning during compilation using W=1:
arch/mips/kernel/setup.c: In function ‘bootmem_init’:
arch/mips/kernel/setup.c:461:25: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
} else if (min_low_pfn < ARCH_PFN_OFFSET) {
^
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Reviewed-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18176/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Fix non-fatal warning during compilation using W=1:
arch/mips/kernel/setup.c:158:13: warning: no previous prototype for ‘memory_region_available’ [-Wmissing-prototypes]
bool __init memory_region_available(phys_addr_t start, phys_addr_t size)
^~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18175/
[jhogan@kernel.org: tweak whitespace]
Signed-off-by: James Hogan <jhogan@kernel.org>
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The unit name was 8c00000 but since the reg property is declared as:
reg = <0x0 0x4c00000 0x1 0xfb400000>;
the unit name should have been instead 4c00000.
Tested on MIPS Creator CI20 (v1):
$ cat /sys/firmware/devicetree/.../partitions/partition@4c00000/label;echo
system
Reported-by: James Hogan <jhogan@kernel.org>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/18529/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Improve the DTS files by removing all the leading "0x" and zeros to fix
the following dtc warnings:
Warning (unit_address_format): Node /XXX unit name should not have leading "0x"
and
Warning (unit_address_format): Node /XXX unit name should not have leading 0s
Converted using the following command:
find . -type f \( -iname *.dts -o -iname *.dtsi \) -exec sed -E -i -e "s/@0x([0-9a-fA-F\.]+)\s?\{/@\L\1 \{/g" -e "s/@0+([0-9a-fA-F\.]+)\s?\{/@\L\1 \{/g" {} +
For simplicity, two sed expressions were used to solve each warnings
separately.
To make the regex expression more robust a few other issues were
resolved, namely setting unit-address to lower case, and adding a
whitespace before the the opening curly brace:
https://elinux.org/Device_Tree_Linux#Linux_conventions
This is a follow up to commit 4c9847b7375a ("dt-bindings: Remove leading
0x from bindings notation")
Reported-by: David Daney <ddaney@caviumnetworks.com>
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/18528/
Signed-off-by: James Hogan <jhogan@kernel.org>
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gpio_leds are not supposed to change at runtime. struct
gpio_led_platform_data contains a const struct gpio_led pointer since
v2.6.39, so mark the gpio_led structures const too.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18008/
[jhogan@kernel.org: improve commit message]
Signed-off-by: James Hogan <jhogan@kernel.org>
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gpio_leds are not supposed to change at runtime. struct
gpio_led_platform_data contains a const struct gpio_led pointer since
v2.6.39, so mark the gpio_led structures const too.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18007/
[jhogan@kernel.org: improve commit message]
Signed-off-by: James Hogan <jhogan@kernel.org>
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gpio_leds are not supposed to change at runtime. struct
gpio_led_platform_data contains a const struct gpio_led pointer since
v2.6.39, so mark the gpio_led structures const too.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18006/
[jhogan@kernel.org: improve commit message]
Signed-off-by: James Hogan <jhogan@kernel.org>
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These duplicate includes have been found with scripts/checkincludes.pl
but they have been removed manually to avoid removing false positives.
Signed-off-by: Pravin Shedge <pravin.shedge4linux@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17920/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Enable CONFIG_SOC_BRCMSTB in bmips_stb_defconfig. CONFIG_BRCMSTB_PM is
also enabled by default option in Kconfig.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org
Reviewed-by: James Hogan <jhogan@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/18590/
Signed-off-by: James Hogan <jhogan@kernel.org>
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Using a period after a newline causes bad output.
Fixes: 64b139f97c01 ("MIPS: OCTEON: irq: add CIB and other fixes")
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17886/
Signed-off-by: James Hogan <jhogan@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 Kconfig fixes from Thomas Gleixner:
"Three patchlets to correct HIGHMEM64G and CMPXCHG64 dependencies in
Kconfig when CPU selections are explicitely set to M586 or M686"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/Kconfig: Explicitly enumerate i686-class CPUs in Kconfig
x86/Kconfig: Exclude i586-class CPUs lacking PAE support from the HIGHMEM64G Kconfig group
x86/Kconfig: Add missing i586-class CPUs to the X86_CMPXCHG64 Kconfig group
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Thomas Gleixner:
"Perf tool updates and kprobe fixes:
- perf_mmap overwrite mode fixes/overhaul, prep work to get 'perf
top' using it, making it bearable to use it in large core count
systems such as Knights Landing/Mill Intel systems (Kan Liang)
- s/390 now uses syscall.tbl, just like x86-64 to generate the
syscall table id -> string tables used by 'perf trace' (Hendrik
Brueckner)
- Use strtoull() instead of home grown function (Andy Shevchenko)
- Synchronize kernel ABI headers, v4.16-rc1 (Ingo Molnar)
- Document missing 'perf data --force' option (Sangwon Hong)
- Add perf vendor JSON metrics for ARM Cortex-A53 Processor (William
Cohen)
- Improve error handling and error propagation of ftrace based
kprobes so failures when installing kprobes are not silently
ignored and create disfunctional tracepoints"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
kprobes: Propagate error from disarm_kprobe_ftrace()
kprobes: Propagate error from arm_kprobe_ftrace()
Revert "tools include s390: Grab a copy of arch/s390/include/uapi/asm/unistd.h"
perf s390: Rework system call table creation by using syscall.tbl
perf s390: Grab a copy of arch/s390/kernel/syscall/syscall.tbl
tools/headers: Synchronize kernel ABI headers, v4.16-rc1
perf test: Fix test trace+probe_libc_inet_pton.sh for s390x
perf data: Document missing --force option
perf tools: Substitute yet another strtoull()
perf top: Check the latency of perf_top__mmap_read()
perf top: Switch default mode to overwrite mode
perf top: Remove lost events checking
perf hists browser: Add parameter to disable lost event warning
perf top: Add overwrite fall back
perf evsel: Expose the perf_missing_features struct
perf top: Check per-event overwrite term
perf mmap: Discard legacy interface for mmap read
perf test: Update mmap read functions for backward-ring-buffer test
perf mmap: Introduce perf_mmap__read_event()
perf mmap: Introduce perf_mmap__read_done()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"A small set of updates mostly for irq chip drivers:
- MIPS GIC fix for spurious, masked interrupts
- fix for a subtle IPI bug in GICv3
- do not probe GICv3 ITSs that are marked as disabled
- multi-MSI support for GICv2m
- various small cleanups"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqdomain: Re-use DEFINE_SHOW_ATTRIBUTE() macro
irqchip/bcm: Remove hashed address printing
irqchip/gic-v2m: Add PCI Multi-MSI support
irqchip/gic-v3: Ignore disabled ITS nodes
irqchip/gic-v3: Use wmb() instead of smb_wmb() in gic_raise_softirq()
irqchip/gic-v3: Change pr_debug message to pr_devel
irqchip/mips-gic: Avoid spuriously handling masked interrupts
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fix from Thomas Gleixner:
"A small fix which adds the missing for_each_cpu_wrap() stub for the UP
case to avoid build failures"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpumask: Make for_each_cpu_wrap() available on UP as well
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Pull block fixes from Jens Axboe:
- NVMe pull request from Keith, with fixes all over the map for nvme.
From various folks.
- Classic polling fix, that avoids a latency issue where we still end
up waiting for an interrupt in some cases. From Nitesh Shetty.
- Comment typo fix from Minwoo Im.
* tag 'for-linus-20180217' of git://git.kernel.dk/linux-block:
block: fix a typo in comment of BLK_MQ_POLL_STATS_BKTS
nvme-rdma: fix sysfs invoked reset_ctrl error flow
nvmet: Change return code of discard command if not supported
nvme-pci: Fix timeouts in connecting state
nvme-pci: Remap CMB SQ entries on every controller reset
nvme: fix the deadlock in nvme_update_formats
blk: optimization for classic polling
nvme: Don't use a stack buffer for keep-alive command
nvme_fc: cleanup io completion
nvme_fc: correct abort race condition on resets
nvme: Fix discard buffer overrun
nvme: delete NVME_CTRL_LIVE --> NVME_CTRL_CONNECTING transition
nvme-rdma: use NVME_CTRL_CONNECTING state to mark init process
nvme: rename NVME_CTRL_RECONNECTING state to NVME_CTRL_CONNECTING
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- meson-gx: Revert to earlier tuning process
- bcm2835: Don't overwrite max frequency unconditionally
* tag 'mmc-v4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: bcm2835: Don't overwrite max frequency unconditionally
Revert "mmc: meson-gx: include tx phase in the tuning process"
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Pull mtd fixes from Boris Brezillon:
- add missing dependency to NAND_MARVELL Kconfig entry
- use the appropriate OOB layout in the VF610 driver
* tag 'mtd/fixes-for-4.16-rc2' of git://git.infradead.org/linux-mtd:
mtd: nand: MTD_NAND_MARVELL should depend on HAS_DMA
mtd: nand: vf610: set correct ooblayout
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"The main attraction is a fix for a bug in the new drmem code, which
was causing an oops on boot on some versions of Qemu.
There's also a fix for XIVE (Power9 interrupt controller) on KVM, as
well as a few other minor fixes.
Thanks to: Corentin Labbe, Cyril Bur, Cédric Le Goater, Daniel Black,
Nathan Fontenot, Nicholas Piggin"
* tag 'powerpc-4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/pseries: Check for zero filled ibm,dynamic-memory property
powerpc/pseries: Add empty update_numa_cpu_lookup_table() for NUMA=n
powerpc/powernv: IMC fix out of bounds memory access at shutdown
powerpc/xive: Use hw CPU ids when configuring the CPU queues
powerpc: Expose TSCR via sysfs only on powernv
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