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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fix from Olof Johansson:
"Tiny fixes branch this week, in fact only one patch.
Turns out the USB support for a Renesas board was developed on a
pre-release board that ended up being changed before shipping. To
avoid breakage on those boards, and avoid confusion, it's a reasonable
idea to patch now instead of later. There are no known users of the
pre-release variant any more"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: porter: remove enable prop from HS-USB device node
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Merge "Second Round of Renesas ARM Based SoC DT Fixes for v4.5" from Simon Horman:
* remove enable prop from HS-USB device node on porter board
* tag 'renesas-dt-fixes2-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: dts: porter: remove enable prop from HS-USB device node
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In the final versions of the Porter board (called "PORTER_C") Renesas
decided to get rid of the Maxim Integrated MAX3355 OTG chip and didn't
add any other provision to differ the host/gadget mode, so we'll have to
remove no longer valid "renesas,enable-gpio" property from the HS-USB
device node. Hopefully, the earlier revisions of the board were never
seen in the wild...
Fixes: c794f6a09a25 ("ARM: shmobile: porter: add HS-USB DT support")
Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Pull ARM fixes from Russell King:
"Just two ARM fixes this time: one to fix the hyp-stub for older ARM
CPUs, and another to fix the set_memory_xx() permission functions to
deal with zero sizes correctly"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8544/1: set_memory_xx fixes
ARM: 8534/1: virt: fix hyp-stub build for pre-ARMv7 CPUs
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Allow zero size updates. This makes set_memory_xx() consistent with x86, s390 and arm64 and makes apply_to_page_range() not to BUG() when loading modules.
Signed-off-by: Mika Penttilä mika.penttila@nextfour.com
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ARMv6 CPUs do not have virtualisation extensions, but hyp-stub.S is
still included into the image to keep it generic. In order to use ARMv7
instructions during HYP initialisation, add -march=armv7-a flag to
hyp-stub's build.
On an ARMv6 CPU, __hyp_stub_install returns as soon as it detects that
the mode isn't HYP, so we will never reach those instructions.
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Pull KVM fixes from Paolo Bonzini:
- ARM/MIPS: Fixes for ioctls when copy_from_user returns nonzero
- x86: Small fix for Skylake TSC scaling
- x86: Improved fix for last week's missed hardware breakpoint bug
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: x86: Update tsc multiplier on change.
mips/kvm: fix ioctl error handling
arm/arm64: KVM: Fix ioctl error handling
KVM: x86: fix root cause for missed hardware breakpoints
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM fixes for 4.5-rc7
- Fix ioctl error handling on the timer path
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Calling return copy_to_user(...) in an ioctl will not
do the right thing if there's a pagefault:
copy_to_user returns the number of bytes not copied
in this case.
Fix up kvm to do
return copy_to_user(...)) ? -EFAULT : 0;
everywhere.
Cc: stable@vger.kernel.org
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Four small fixes for irqchip drivers:
- Add missing low level irq handler initialization on mxs, so
interrupts can acutally be delivered
- Add a missing barrier to the GIC driver
- Two fixes for the GIC-V3-ITS driver, addressing a double EOI write
and a cache flush beyond the actual region"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3: Add missing barrier to 32bit version of gic_read_iar()
irqchip/mxs: Add missing set_handle_irq()
irqchip/gicv3-its: Avoid cache flush beyond ITS_BASERn memory size
irqchip/gic-v3-its: Fix double ICC_EOIR write for LPI in EOImode==1
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Commit 1a1ebd5 ("irqchip/gic-v3: Make sure read from ICC_IAR1_EL1 is
visible on redestributor") fixed the missing barrier on arm64, but
forgot to update the 32bit counterpart, which has the same requirements.
Let's fix it.
Fixes: 1a1ebd5 ("irqchip/gic-v3: Make sure read from ICC_IAR1_EL1 is visible on redestributor")
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"We didn't have a batch last week, so this one is slightly larger.
None of them are scary though, a handful of fixes for small DT pieces,
replacing properties with newer conventions.
Highlights:
- N900 fix for setting system revision
- onenand init fix to avoid filesystem corruption
- Clock fix for audio on Beaglebone-x15
- Fixes on shmobile to deal with CONFIG_DEBUG_RODATA (default y in 4.6)
+ misc smaller stuff"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: Extend info, add wiki and ml for meson arch
MAINTAINERS: alpine: add a new maintainer and update the entry
ARM: at91/dt: fix typo in sama5d2 pinmux descriptions
ARM: OMAP2+: Fix onenand initialization to avoid filesystem corruption
Revert "regulator: tps65217: remove tps65217.dtsi file"
ARM: shmobile: Remove shmobile_boot_arg
ARM: shmobile: Move shmobile_smp_{mpidr, fn, arg}[] from .text to .bss
ARM: shmobile: r8a7779: Remove remainings of removed SCU boot setup code
ARM: shmobile: Move shmobile_scu_base from .text to .bss
ARM: OMAP2+: Fix omap_device for module reload on PM runtime forbid
ARM: OMAP2+: Improve omap_device error for driver writers
ARM: DTS: am57xx-beagle-x15: Select SYS_CLK2 for audio clocks
ARM: dts: am335x/am57xx: replace gpio-key,wakeup with wakeup-source property
ARM: OMAP2+: Set system_rev from ATAGS for n900
ARM: dts: orion5x: fix the missing mtd flash on linkstation lswtgl
ARM: dts: kirkwood: use unique machine name for ds112
ARM: dts: imx6: remove bogus interrupt-parent from CAAM node
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Renesas ARM Based SoC Fixes for v4.5
* Avoid writing to .text
* tag 'renesas-soc-fixes-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Remove shmobile_boot_arg
ARM: shmobile: Move shmobile_smp_{mpidr, fn, arg}[] from .text to .bss
ARM: shmobile: r8a7779: Remove remainings of removed SCU boot setup code
ARM: shmobile: Move shmobile_scu_base from .text to .bss
Signed-off-by: Olof Johansson <olof@lixom.net>
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CPU boot configuration writes to shmobile_boot_arg, which is located in
the .text section, and thus should not be written to.
As of commit 1d33a354bbb618ba ("ARM: shmobile: Per-CPU SMP boot / sleep
code for SCU SoCs"), and ignoring accidental remainings,
shmobile_boot_arg is always set to MPIDR_HWID_BITMASK by C code.
Hence we can just hardcode this in the assembler code, and remove the
variable, and thus also remove the need to write to this variable.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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If CONFIG_DEBUG_RODATA=y, the kernel crashes during system suspend:
Freezing user space processes ... (elapsed 0.004 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.002 seconds)
done.
PM: suspend of devices complete after 111.948 msecs
PM: late suspend of devices complete after 1.086 msecs
PM: noirq suspend of devices complete after 11.576 msecs
Disabling non-boot CPUs ...
Kernel panic - not syncing: Attempted to kill the idle task!
1014ec ---[ end Kernel panic - not syncing: Attempted to kill the idle task!
CPU0: stopping
This happens because the .text section is marked read-only, while the
arrays shmobile_smp_mpidr[], shmobile_smp_fn[], and shmobile_smp_arg[]
are being written to.
Fix this by moving these arrays from the .text to the .bss section.
This requires accessing them through PC-relative offsets.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Commit 0ca2894b5a900709 ("ARM: shmobile: Use shared SCU SMP boot code on
r8a7779") obsoleted the r8a7779-specific SCU boot code, but forgot to
remove the setup of shmobile_boot_fn and shmobile_boot_arg, which is
overwritten by shmobile_smp_scu_prepare_cpus().
Note that shmobile_scu_base wasn't initialized at that point yet anyway.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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shmobile_scu_base is being written to, so it doesn't belong in the .text
section. Fix this by moving it from asm .text to C .bss, as it's no
longer used from asm code since commit 4f6da36f7edd5790 ("ARM: shmobile:
Remove old SCU boot code").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Two omap fixes for omaps against v4.5-rc5:
- Yet another fix for n900 onenand to avoid corruption. This time to
fix the issue of mounting onenand back and forth between the original
maemo kernel and mainline Linux kernel. And it also seems there will
be two more fixes coming via the MTD tree as issues were discovered
also in the onenand driver during testing.
- Revert tps65217 regulator clean up as it breaks MMC for am335x
variants. The proper way to clean this up is just to rename the
tps65217.dtsi file into tps65217-am335x.dtsi as a similar setup
is used on many am335x boards.
* tag 'omap-for-v4.5/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix onenand initialization to avoid filesystem corruption
Revert "regulator: tps65217: remove tps65217.dtsi file"
Signed-off-by: Olof Johansson <olof@lixom.net>
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Commit e7b11dc7b77b ("ARM: OMAP2+: Fix onenand rate detection to avoid
filesystem corruption") partially fixed onenand configuration when GPMC
module is reset. Finish the job by also providing the correct values in
ONENAND_REG_SYS_CFG1 register.
Fixes: e7b11dc7b77b ("ARM: OMAP2+: Fix onenand rate detection to avoid
filesystem corruption")
Cc: stable@vger.kernel.org # v4.2+
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This reverts commit 8e6ebfaa9b384088002baa10f7534efa73a0794e.
Without the patch reverted regulators will not work. This prevents
MMC to be working for example so the boards can not boot to
MMC rootfs.
Tested it on beaglebone white and bisect also points to the
reverted commit.
The issue can be also fixed by adding "regulator-compatible =" to all board
dts file for the regulators.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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PIN_PA15 macro has the same value as PIN_PA14 so we were overriding PA14
mux/configuration.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Reported-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Fixes: 7f16cb676c00 ("ARM: at91/dt: add sama5d2 pinmux")
Cc: <stable@vger.kernel.org> # v4.4+
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
The i.MX fixes for v4.5:
- Drop the bogus interrupt-parent from i.MX6 CAAM node, which leads to
the CAAM IRQs not getting unmasked at the GPC level.
* tag 'imx-fixes-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6: remove bogus interrupt-parent from CAAM node
Signed-off-by: Olof Johansson <olof@lixom.net>
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The interrupt-parent property is not needed as it is inherited from
the parent bus and in the case of the CAAM node actively points to
the wrong interrupt controller (GIC instead of GPC). This leads to
the CAAM IRQs not getting unmasked at the GPC level, leaving them
unable to wake the CPU from wait mode, potentially impacting
performance of the CAAM unit when CPUidle is enabled.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Few fixes for omaps against v4.5-rc3:
- Improve omap_device error message to tell driver writers what is
wrong after commit 5de85b9d57ab ("PM / runtime: Re-init runtime PM
states at probe error and driver unbind"). There will be also a
handful of driver related fixes also queued separately. But adding
this error message makes it easy to fix any omap_device using
drivers suffering from this issue so I think it's important to
have.
- Also related to commit 5de85b9d57ab discussion, let's fix a bug
where disabling PM runtime via sysfs will also cause the hardware
state to be different from PM runtime state.
- Fix audio clocks for beagle-x15.
- Use wakeup-source instead of gpio-key,wakeup for the new entries
that sneaked in during the merge window.
- Fix a legacy booting vs device tree based booting regression for
n900 where the legacy user space expects to have the device
revision available in /proc/atags also when booted with device
tree.
* tag 'omap-for-v4.5/fixes-rc3-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix omap_device for module reload on PM runtime forbid
ARM: OMAP2+: Improve omap_device error for driver writers
ARM: DTS: am57xx-beagle-x15: Select SYS_CLK2 for audio clocks
ARM: dts: am335x/am57xx: replace gpio-key,wakeup with wakeup-source property
ARM: OMAP2+: Set system_rev from ATAGS for n900
Signed-off-by: Olof Johansson <olof@lixom.net>
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If a driver PM runtime is disabled via sysfs, and the module is
unloaded, PM runtime can't do anything to disable the device. Let's
let the interconnect disable the device on BUS_NOTIFY_UNBOUND_DRIVER.
Otherwise omap_device will produce and error on the following module
reload. This can be easily tested with something like:
# modprobe omap_hsmmc
# echo on > /sys/devices/platform/68000000.ocp/4809c000.mmc/power/control
# rmmod omap_hsmmc
# modprobe omap_hsmmc
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Nishanth Menon <nm@ti.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Reported-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Drivers using pm_runtime_use_autosuspend() may not get disabled after
-EPROBE_DEFER. On the following device driver probe, hardware state
is different from the PM runtime state causing omap_device to produce
the following error:
omap_device_enable() called from invalid state 1
And with omap_device and omap hardware being picky for PM, this will
block any deeper idle states in hardware.
Let's add a proper error message so driver writers can easily fix
their drivers for PM.
In general, the solution is to fix the drivers to follow the PM
runtime documentation:
1. For sections of code that needs the device disabled, use
pm_runtime_put_sync_suspend() if pm_runtime_set_autosuspend() has
been set.
2. For driver exit code, use pm_runtime_dont_use_autosuspend() before
pm_runtime_put_sync() if pm_runtime_use_autosuspend() has been
set.
Let's not return with 0 from _od_runtime_resume() as that will
eventually lead into new drivers with broken PM runtime that will
block deeper idle states on omaps.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Nishanth Menon <nm@ti.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The tlv320aic3104 codec's master clock is coming from the SoC's CLKOUT2.
Select the SYS_CLK2 (via divider) as parent clock for CLKOUT2 and select
the same clock (SYS_CLK2) for McASP3 AHCLKX clock as well.
SYS_CLK2 is sourced from an external oscillator running 22.5792MHz and it
is coming in to the SoC via the X1_OSC1.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit 3efda00129bd ("ARM: dts: am335x: replace gpio-key,wakeup with
wakeup-source property") replaces all the legacy "gpio-key,wakeup" with
the unified "wakeup-source" property to prevent any further copy-paste
duplication.
However couple of use of these legacy property sneaked in during the
merge window. This patch replaces them too.
Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This fixed a regression with DT boot compared to legacy boot.
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
[tony@atomide.com: edited patch subject to follow standard]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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mvebu fixes for 4.5 (part 2)
- Fix the missing mtd flash on linkstation lswtgl
- Use unique machine name for the kirkwood ds112 (for Debian flash-kernel tool)
* tag 'mvebu-fixes-4.5-2' of git://git.infradead.org/linux-mvebu:
ARM: dts: orion5x: fix the missing mtd flash on linkstation lswtgl
ARM: dts: kirkwood: use unique machine name for ds112
Signed-off-by: Olof Johansson <olof@lixom.net>
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MTD flash stores u-boot and u-boot environment on linkstation lswtgl.
The latter one can be easily read/write by u-boot-tools package in Debian.
Fixes: dc57844a736f ("ARM: dts: orion5x: add buffalo linkstation ls-wtgl")
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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Downstream packages like Debian flash-kernel use
/proc/device-tree/model
to determine which dtb file to install.
Hence each dts in the Linux kernel should provide a unique model
identifier.
Commit 2d0a7addbd10 ("ARM: Kirkwood: Add support for many Synology NAS
devices") created the new files kirkwood-ds111.dts and kirkwood-ds112.dts
using the same model identifier.
This patch provides a unique model identifier for the
Synology DiskStation DS112.
Fixes: 2d0a7addbd10 ("ARM: Kirkwood: Add support for many Synology NAS devices")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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Replace calls to get_random_int() followed by a cast to (unsigned long)
with calls to get_random_long(). Also address shifting bug which, in
case of x86 removed entropy mask for mmap_rnd_bits values > 31 bits.
Signed-off-by: Daniel Cashman <dcashman@android.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: David S. Miller <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Nick Kralevich <nnk@google.com>
Cc: Jeff Vander Stoep <jeffv@google.com>
Cc: Mark Salyzyn <salyzyn@android.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull KVM fixes from Paolo Bonzini:
"KVM/ARM fixes:
- Fix per-vcpu vgic bitmap allocation
- Do not give copy random memory on MMIO read
- Fix GICv3 APR register restore order
KVM/x86 fixes:
- Fix ubsan warning
- Fix hardware breakpoints in a guest vs. preempt notifiers
- Fix Hurd
Generic:
- use __GFP_NOWARN together with GFP_NOWAIT"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: MMU: fix ubsan index-out-of-range warning
arm64: KVM: vgic-v3: Restore ICH_APR0Rn_EL2 before ICH_APR1Rn_EL2
KVM: async_pf: do not warn on page allocation failures
KVM: x86: fix conversion of addresses to linear in 32-bit protected mode
KVM: x86: fix missed hardware breakpoints
arm/arm64: KVM: Feed initialized memory to MMIO accesses
KVM: arm/arm64: vgic: Ensure bitmaps are long enough
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM fixes for 4.5-rc6
- Fix per-vcpu vgic bitmap allocation
- Do not give copy random memory on MMIO read
- Fix GICv3 APR register restore order
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On an MMIO access, we always copy the on-stack buffer info
the shared "run" structure, even if this is a read access.
This ends up leaking up to 8 bytes of uninitialized memory
into userspace, depending on the size of the access.
An obvious fix for this one is to only perform the copy if
this is an actual write.
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- Two scsiback fixes (resource leak and spurious warning).
- Fix DMA mapping of compound pages on arm/arm64.
- Fix some pciback regressions in MSI-X handling.
- Fix a pcifront crash due to some uninitialize state.
* tag 'for-linus-4.5-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/pcifront: Fix mysterious crashes when NUMA locality information was extracted.
xen/pcifront: Report the errors better.
xen/pciback: Save the number of MSI-X entries to be copied later.
xen/pciback: Check PF instead of VF for PCI_COMMAND_MEMORY
xen: fix potential integer overflow in queue_reply
xen/arm: correctly handle DMA mapping of compound pages
xen/scsiback: avoid warnings when adding multiple LUNs to a domain
xen/scsiback: correct frontend counting
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Currently xen_dma_map_page concludes that DMA to anything other than
the head page of a compound page must be foreign, since the PFN of the
page is that of the head.
Fix the check to instead consider the whole of a compound page to be
local if the PFN of the head passes the 1:1 check.
We can never see a compound page which is a mixture of foreign and
local sub-pages.
The comment already correctly described the intention, but fixup the
spelling and some grammar.
This fixes the various SSH protocol errors which we have been seeing
on the cubietrucks in our automated test infrastructure.
This has been broken since commit 3567258d281b ("xen/arm: use
hypercall to flush caches in map_page"), which was in v3.19-rc1.
NB arch/arm64/.../xen/page-coherent.h also includes this file.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: xen-devel@lists.xenproject.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: stable@vger.kernel.org # v3.19+
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Here are some more arm64 fixes for 4.5. This has mostly come from
Yang Shi, who saw some issues under -rt that also affect mainline.
The rest of it is pretty small, but still worth having.
We've got an old issue outstanding with valid_user_regs which will
likely wait until 4.6 (since it would really benefit from some time in
-next) and another issue with kasan and idle which should be fixed
next week.
Apart from that, pretty quiet here (and still no sign of the THP issue
reported on s390...)
Summary:
- Allow EFI stub to use strnlen(), which is required by recent libfdt
- Avoid smp_processor_id() in preempt context during unwinding
- Avoid false Kasan warnings during unwinding
- Ensure early devices are picked up by the IOMMU DMA ops
- Avoid rebuilding the kernel for the 'install' target
- Run fixup handlers for alignment faults on userspace access"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: allow the kernel to handle alignment faults on user accesses
arm64: kbuild: make "make install" not depend on vmlinux
arm64: dma-mapping: fix handling of devices registered before arch_initcall
arm64/efi: Make strnlen() available to the EFI namespace
arm/arm64: crypto: assure that ECB modes don't require an IV
arm64: make irq_stack_ptr more robust
arm64: debug: re-enable irqs before sending breakpoint SIGTRAP
arm64: disable kasan when accessing frame->fp in unwind_frame
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ECB modes don't use an initialization vector. The kernel
/proc/crypto interface doesn't reflect this properly.
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Pull ARM fixes from Russell King:
"A couple of ARM fixes from Linus for the ICST clock generator code"
[ "Linus" here is Linus Walleij. Name-stealer.
Linus "there can be only one" Torvalds ]
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8519/1: ICST: try other dividends than 1
ARM: 8517/1: ICST: avoid arithmetic overflow in icst_hz()
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Since the dawn of time the ICST code has only supported divide
by one or hang in an eternal loop. Luckily we were always dividing
by one because the reference frequency for the systems using
the ICSTs is 24MHz and the [min,max] values for the PLL input
if [10,320] MHz for ICST307 and [6,200] for ICST525, so the loop
will always terminate immediately without assigning any divisor
for the reference frequency.
But for the code to make sense, let's insert the missing i++
Reported-by: David Binderman <dcb314@hotmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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When trying to set the ICST 307 clock to 25174000 Hz I ran into
this arithmetic error: the icst_hz_to_vco() correctly figure out
DIVIDE=2, RDW=100 and VDW=99 yielding a frequency of
25174000 Hz out of the VCO. (I replicated the icst_hz() function
in a spreadsheet to verify this.)
However, when I called icst_hz() on these VCO settings it would
instead return 4122709 Hz. This causes an error in the common
clock driver for ICST as the common clock framework will call
.round_rate() on the clock which will utilize icst_hz_to_vco()
followed by icst_hz() suggesting the erroneous frequency, and
then the clock gets set to this.
The error did not manifest in the old clock framework since
this high frequency was only used by the CLCD, which calls
clk_set_rate() without first calling clk_round_rate() and since
the old clock framework would not call clk_round_rate() before
setting the frequency, the correct values propagated into
the VCO.
After some experimenting I figured out that it was due to a simple
arithmetic overflow: the divisor for 24Mhz reference frequency
as reference becomes 24000000*2*(99+8)=0x132212400 and the "1"
in bit 32 overflows and is lost.
But introducing an explicit 64-by-32 bit do_div() and casting
the divisor into (u64) we get the right frequency back, and the
right frequency gets set.
Tested on the ARM Versatile.
Cc: stable@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@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/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
- fix omap2plus_defconfig to enable omapfb as it was in v4.4
- ocfb: fix timings for margins
- s6e8ax0, da8xx-fb: fix compile warnings
- mmp: fix build failure caused by bad printk parameters
- imxfb: fix clock issue which kept the display off
* tag 'fbdev-fixes-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
video: fbdev: imxfb: Provide a reset mechanism
fbdev: mmp: print IRQ resource using %pR format string
fbdev: da8xx-fb: remove incorrect type cast
fbdev: s6e8ax0: avoid unused function warnings
ocfb: fix tgdel and tvdel timing parameters
ARM: omap2plus_defconfig: update display configs
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omapfb and omapdrm were recently made independent of each other, and
this required Kconfig option changes. This patch changes the
omap2plus_defconfig to enable display similarly as before: omapfb and
panel & encoder drivers as modules.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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The watchdog timer on the SoCFPGA platform is the Synopsys Designware watchdog.
Enable CONFIG_DW_WATCHDOG for the driver to get built.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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The DTSI file for the Nomadik does not properly specify how the
PL180 levelshifter is connected: the Nomadik actually needs all
the five st,sig-dir-* flags set to properly control all lines out.
Further this board supports full power cycling of the card, and
since this variant has no hardware clock gating, it needs a
ridiculously low frequency setting to keep up with the ever
overflowing FIFO.
The pin configuration set-up is a bit of a mystery, because of
course these pins are a mix of inputs and outputs. However the
reference implementation sets all pins to "output" with
unspecified initial value, so let's do that here as well.
Cc: stable@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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mvebu fixes for 4.5 (part 1)
- Fix dts on buffalo linksations machines (gpios and leds)
- Fix dts partition node according to new binding introduced in v4.5
* tag 'mvebu-fixes-4.5-1' of git://git.infradead.org/linux-mvebu:
ARM: dts: orion5x: gpio pin fixes for linkstation lswtgl
ARM: dts: kirkwood: gpio-leds fixes for linkstation ls-wvl/vl
ARM: dts: kirkwood: gpio-leds fixes for linkstation ls-wxl/wsxl
ARM: dts: kirkwood: gpio pin fixes for linkstation ls-wvl/vl
ARM: dts: kirkwood: gpio pin fixes for linkstation ls-wxl/wsxl
ARM: mvebu: ix4-300d: Add compatible property to "partitions" node
ARM: mvebu: kirkwood: Add compatible property to "partitions" node
Signed-off-by: Olof Johansson <olof@lixom.net>
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Here're a few gpio pin related fixes:
- remove pinctrl-0 definition from pinctrl, since those pins are used
in other places such as gpio-fan and regulators.
- keep initial state of power led
- fix for alarm pin of gpio-fan.
Fixes: dc57844a736f ("ARM: dts: orion5x: add buffalo linkstation ls-wtgl")
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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The GPIOs controlling the LEDs, listed below, are active high, not low:
- gpio-leds: "lswvl:red:alarm" pin
- gpio-leds: "lswvl:red:func" pin
- gpio-leds: "lswvl:amber:info" pin
- gpio-leds: "lswvl:blue:func" pin
- gpio-leds: "lswvl:red:hdderr{0,1}" pin
Fixes: c43379e150aa ("ARM: dts: add buffalo linkstation ls-wvl/vl")
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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