This patch fixes a long standing issue introduced during the 3.16 merge window.
Shortly after the merge, exynos5250-based arndale boards began to produce the
following errors:
kern.err kernel: exynos-cpufreq exynos-cpufreq: failed to set cpu voltage
kern.err kernel: cpufreq: __target_index: Failed to change cpu frequency: -22
Further analysis revealed that the S5M8767 voltage regulator used on the
exynos5250-based arndale board utilizes the S3C2410 I2C controller. If the
S3C2410 I2C controller driver is not enabled, the S5M8767 voltage regulator
fails to probe. Therefore a dependency exists between these two drivers.
In the exynos_defconfig both CONFIG_REGULATOR_S5M8767 and CONFIG_I2C_S3C2410
options are enabled, and no errors are produced. However, in the
multi_v7_defconfig only the CONFIG_REGULATOR_S5M8767 option is enabled and the
errors are present. So let's enable the CONFIG_I2C_S3C2410 option in the
multi_v7_defconfig to allow the S5M8767 voltage regulator to probe.
Signed-off-by: Tyler Baker <tyler.baker@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
This contains the serial port numbering fixes that are required for the
serial port numbering to stay the same with or without the serial core
making use of the aliases defined in DT.
eMMC is also fixed for TN7 and Roth boards which were using the wrong
regulators.
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Merge tag 'tegra-for-3.18-fixes-for-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into fixes
Pull "ARM: tegra: Device tree fixes for v3.18-rc5" from Thierry Reding:
This contains the serial port numbering fixes that are required for the
serial port numbering to stay the same with or without the serial core
making use of the aliases defined in DT.
eMMC is also fixed for TN7 and Roth boards which were using the wrong
regulators.
* tag 'tegra-for-3.18-fixes-for-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: roth: Fix SD card VDD_IO regulator
ARM: tegra: Remove eMMC vmmc property for roth/tn7
ARM: dts: tegra: move serial aliases to per-board
ARM: tegra: Add serial port labels to Tegra124 DT
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* Correct IIC0 parent clock on r8a7740
* Correct SD3CKCR address to device tree on r8a7790
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Merge tag 'renesas-dt-fixes-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Pull "Renesas ARM Based SoC DT Fixes for v3.18" from Simon Horman:
* Correct IIC0 parent clock on r8a7740
* Correct SD3CKCR address to device tree on r8a7790
* tag 'renesas-dt-fixes-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: r8a7740 dtsi: Correct IIC0 parent clock
ARM: shmobile: r8a7790: Fix SD3CKCR address to device tree
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* Set i2c clks_per_count to 2 on kzm9g
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Merge tag 'renesas-soc-fixes-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Pull "Renesas ARM Based SoC Fixes for v3.18" from Simon Horman:
* Set i2c clks_per_count to 2 on kzm9g
* tag 'renesas-soc-fixes-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: kzm9g legacy: Set i2c clks_per_count to 2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A fix for the A31 dma controller that requires the AHB clock to be parented to
PLL6 in order to operate.
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Merge tag 'sunxi-fixes-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into fixes
Merge "Allwinner fixes for 3.18" from Maxime Ripard:
A fix for the A31 dma controller that requires the AHB clock to be parented to
PLL6 in order to operate.
* tag 'sunxi-fixes-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
ARM: dts: sun6i: Re-parent ahb1_mux to pll6 as required by dma controller
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Another small set of fixes:
- Some DT compatible typo fixes
- irq setup fix dealing with irq storms on orion
- i2c quirk generalization for mvebu
- A handful of smaller fixes for OMAP
- A couple of added file patterns for OMAP entries in MAINTAINERS
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Merge tag 'armsoc-for-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Another small set of fixes:
- some DT compatible typo fixes
- irq setup fix dealing with irq storms on orion
- i2c quirk generalization for mvebu
- a handful of smaller fixes for OMAP
- a couple of added file patterns for OMAP entries in MAINTAINERS"
* tag 'armsoc-for-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: at91/dt: Fix sama5d3x typos
pinctrl: dra: dt-bindings: Fix output pull up/down
MAINTAINERS: Update entry for omap related .dts files to cover new SoCs
MAINTAINERS: add more files under OMAP SUPPORT
ARM: dts: AM437x-SK-EVM: Fix DCDC3 voltage
ARM: dts: AM437x-GP-EVM: Fix DCDC3 voltage
ARM: dts: AM43x-EPOS-EVM: Fix DCDC3 voltage
ARM: dts: am335x-evm: Fix 5th NAND partition's name
ARM: orion: Fix for certain sequence of request_irq can cause irq storm
ARM: mvebu: armada xp: Generalize use of i2c quirk
Pull sparc fixes from David Miller:
1) Fix NULL oops in Schizo PCI controller error handler.
2) Fix race between xchg and other operations on 32-bit sparc, from
Andreas Larsson.
3) swab*() helpers need a dummy memory input operand to show data flow
on 64-bit sparc.
4) Fix RCU warnings due to missing irq_{enter,exit}() around
generic_smp_call_function*() calls.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix constraints on swab helpers.
sparc32: Implement xchg and atomic_xchg using ATOMIC_HASH locks
sparc64: Do irq_{enter,exit}() around generic_smp_call_function*().
sparc64: Fix crashes in schizo_pcierr_intr_other().
Some DT files had a typo with a missing "5" in sama5d3x first compatible string.
Signed-off-by: Peter Rosin <peda@axentia.se>
[nicolas.ferre@atmel.com: modify commit log]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
MAINTAINERS file to avoid missing PMIC and SoC related patches:
- Fix random hangs on am437x because of incorrect default
value for the DDR regulator
- Fix wrong partition name for NAND on am335x-evm
- Fix wrong pinctrl defines for dra7xx
- Update maintainers entries for PMICs and SoCs
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Merge tag 'omap-fixes-against-v3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "omap fixes against v3.18-rc4" from Tony Lindgren:
Few omap fixes for hangs and wrong pinctrl defines, and update
MAINTAINERS file to avoid missing PMIC and SoC related patches:
- Fix random hangs on am437x because of incorrect default
value for the DDR regulator
- Fix wrong partition name for NAND on am335x-evm
- Fix wrong pinctrl defines for dra7xx
- Update maintainers entries for PMICs and SoCs
* tag 'omap-fixes-against-v3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
pinctrl: dra: dt-bindings: Fix output pull up/down
MAINTAINERS: Update entry for omap related .dts files to cover new SoCs
MAINTAINERS: add more files under OMAP SUPPORT
ARM: dts: AM437x-SK-EVM: Fix DCDC3 voltage
ARM: dts: AM437x-GP-EVM: Fix DCDC3 voltage
ARM: dts: AM43x-EPOS-EVM: Fix DCDC3 voltage
ARM: dts: am335x-evm: Fix 5th NAND partition's name
Signed-off-by: Olof Johansson <olof@lixom.net>
- Armada XP
- Generalize i2c quirk
- orion
- Fix irq storm caused by specific sequence of request_irq
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Merge tag 'mvebu-fixes-3.18' of git://git.infradead.org/linux-mvebu into fixes
Merge "mvebu fixes for v3.18" from Jason Cooper:
- Armada XP
- Generalize i2c quirk
- orion
- Fix irq storm caused by specific sequence of request_irq
* tag 'mvebu-fixes-3.18' of git://git.infradead.org/linux-mvebu:
ARM: orion: Fix for certain sequence of request_irq can cause irq storm
ARM: mvebu: armada xp: Generalize use of i2c quirk
We are reading the memory location, so we have to have a memory
constraint in there purely for the sake of showing the data flow
to the compiler.
Reported-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull x86 fixes from Ingo Molnar:
"Microcode fixes, a Xen fix and a KASLR boot loading fix with certain
memory layouts"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, microcode, AMD: Fix ucode patch stashing on 32-bit
x86/core, x86/xen/smp: Use 'die_complete' completion when taking CPU down
x86, microcode: Fix accessing dis_ucode_ldr on 32-bit
x86, kaslr: Prevent .bss from overlaping initrd
x86, microcode, AMD: Fix early ucode loading on 32-bit
Al Viro pointed out that the x86-64 csum_partial_copy_from_user() is
somewhat confused about what it should do on errors, notably it mostly
clears the uncopied end result buffer, but misses that for the initial
alignment case.
All users should check for errors, so it's dubious whether the clearing
is even necessary, and Al also points out that we should probably clean
up the calling conventions, but regardless of any future changes to this
function, the fact that it is inconsistent is just annoying.
So make the __get_user() failure path use the same error exit as all the
other errors do.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: David Miller <davem@davemloft.net>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull ARM fixes from Russell King:
"Two fixes this time, one to ensure that the kuser helper option
depends on MMU as they aren't available for noMMU targets (and if the
option is selected, we end up oopsing.)
The second fix plugs a corner case with the decompressor, ensuring
that the instruction stream can see the relocated code in every case
on ARMv7 CPUs"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8198/1: make kuser helpers depend on MMU
ARM: 8191/1: decompressor: ensure I-side picks up relocated code
Pull parisc updates from Helge Deller:
"Changes include:
- wire up the bpf syscall
- remove CONFIG_64BIT usage from some userspace-exported header files
- use compat functions for msgctl, shmat, shmctl and semtimedop
syscalls"
* 'parisc-3.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Avoid using CONFIG_64BIT in userspace exported headers
parisc: Use compat layer for msgctl, shmat, shmctl and semtimedop syscalls
parisc: Use BUILD_BUG() instead of undefined functions
parisc: Wire up bpf syscall
- Fix EFI stub cache maintenance causing aborts during boot on certain
platforms
- Handle byte stores in __clear_user without panicking
- Fix race condition in aarch64_insn_patch_text_sync() (instruction
patching)
- Couple of type fixes
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- fix EFI stub cache maintenance causing aborts during boot on certain
platforms
- handle byte stores in __clear_user without panicking
- fix race condition in aarch64_insn_patch_text_sync() (instruction
patching)
- Couple of type fixes
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: ARCH_PFN_OFFSET should be unsigned long
Correct the race condition in aarch64_insn_patch_text_sync()
arm64: __clear_user: handle exceptions on strb
arm64: Fix data type for physical address
arm64: efi: Fix stub cache maintenance
Pull networking fixes from David Miller:
1) sunhme driver lacks DMA mapping error checks, based upon a report by
Meelis Roos.
2) Fix memory leak in mvpp2 driver, from Sudip Mukherjee.
3) DMA memory allocation sizes are wrong in systemport ethernet driver,
fix from Florian Fainelli.
4) Fix use after free in mac80211 defragmentation code, from Johannes
Berg.
5) Some networking uapi headers missing from Kbuild file, from Stephen
Hemminger.
6) TUN driver gets csum_start offset wrong when VLAN accel is enabled,
and macvtap has a similar bug, from Herbert Xu.
7) Adjust several tunneling drivers to set dev->iflink after registry,
because registry sets that to -1 overwriting whatever we did. From
Steffen Klassert.
8) Geneve forgets to set inner tunneling type, causing GSO segmentation
to fail on some NICs. From Jesse Gross.
9) Fix several locking bugs in stmmac driver, from Fabrice Gasnier and
Giuseppe CAVALLARO.
10) Fix spurious timeouts with NewReno on low traffic connections, from
Marcelo Leitner.
11) Fix descriptor updates in enic driver, from Govindarajulu
Varadarajan.
12) PPP calls bpf_prog_create() with locks held, which isn't kosher.
Fix from Takashi Iwai.
13) Fix NULL deref in SCTP with malformed INIT packets, from Daniel
Borkmann.
14) psock_fanout selftest accesses past the end of the mmap ring, fix
from Shuah Khan.
15) Fix PTP timestamping for VLAN packets, from Richard Cochran.
16) netlink_unbind() calls in netlink pass wrong initial argument, from
Hiroaki SHIMODA.
17) vxlan socket reuse accidently reuses a socket when the address
family is different, so we have to explicitly check this, from
Marcelo Lietner.
18) Fix missing include in nft_reject_bridge.c breaking the build on ppc
and other architectures, from Guenter Roeck.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (75 commits)
vxlan: Do not reuse sockets for a different address family
smsc911x: power-up phydev before doing a software reset.
lib: rhashtable - Remove weird non-ASCII characters from comments
net/smsc911x: Fix delays in the PHY enable/disable routines
net/smsc911x: Fix rare soft reset timeout issue due to PHY power-down mode
netlink: Properly unbind in error conditions.
net: ptp: fix time stamp matching logic for VLAN packets.
cxgb4 : dcb open-lldp interop fixes
selftests/net: psock_fanout seg faults in sock_fanout_read_ring()
net: bcmgenet: apply MII configuration in bcmgenet_open()
net: bcmgenet: connect and disconnect from the PHY state machine
net: qualcomm: Fix dependency
ixgbe: phy: fix uninitialized status in ixgbe_setup_phy_link_tnx
net: phy: Correctly handle MII ioctl which changes autonegotiation.
ipv6: fix IPV6_PKTINFO with v4 mapped
net: sctp: fix memory leak in auth key management
net: sctp: fix NULL pointer dereference in af->from_addr_param on malformed packet
net: ppp: Don't call bpf_prog_create() in ppp_lock
net/mlx4_en: Advertize encapsulation offloads features only when VXLAN tunnel is set
cxgb4 : Fix bug in DCB app deletion
...
The kuser helpers page is not set up on non-MMU systems, so it does
not make sense to allow CONFIG_KUSER_HELPERS to be enabled when
CONFIG_MMU=n. Allowing it to be set on !MMU results in an oops in
set_tls (used in execve and the arm_syscall trap handler):
Unhandled exception: IPSR = 00000005 LR = fffffff1
CPU: 0 PID: 1 Comm: swapper Not tainted 3.18.0-rc1-00041-ga30465a #216
task: 8b838000 ti: 8b82a000 task.ti: 8b82a000
PC is at flush_thread+0x32/0x40
LR is at flush_thread+0x21/0x40
pc : [<8f00157a>] lr : [<8f001569>] psr: 4100000b
sp : 8b82be20 ip : 00000000 fp : 8b83c000
r10: 00000001 r9 : 88018c84 r8 : 8bb85000
r7 : 8b838000 r6 : 00000000 r5 : 8bb77400 r4 : 8b82a000
r3 : ffff0ff0 r2 : 8b82a000 r1 : 00000000 r0 : 88020354
xPSR: 4100000b
CPU: 0 PID: 1 Comm: swapper Not tainted 3.18.0-rc1-00041-ga30465a #216
[<8f002bc1>] (unwind_backtrace) from [<8f002033>] (show_stack+0xb/0xc)
[<8f002033>] (show_stack) from [<8f00265b>] (__invalid_entry+0x4b/0x4c)
As best I can tell this issue existed for the set_tls ARM syscall
before commit fbfb872f5f "ARM: 8148/1: flush TLS and thumbee
register state during exec" consolidated the TLS manipulation code
into the set_tls helper function, but now that we're using it to flush
register state during execve, !MMU users encounter the oops at the
first exec.
Prevent CONFIG_MMU=n configurations from enabling
CONFIG_KUSER_HELPERS.
Fixes: fbfb872f5f (ARM: 8148/1: flush TLS and thumbee register state during exec)
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Reported-by: Stefan Agner <stefan@agner.ch>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
To speed up decompression, the decompressor sets up a flat, cacheable
mapping of memory. However, when there is insufficient space to hold
the page tables for this mapping, we don't bother to enable the caches
and subsequently skip all the cache maintenance hooks.
Skipping the cache maintenance before jumping to the relocated code
allows the processor to predict the branch and populate the I-cache
with stale data before the relocation loop has completed (since a
bootloader may have SCTLR.I set, which permits normal, cacheable
instruction fetches regardless of SCTLR.M).
This patch moves the cache maintenance check into the maintenance
routines themselves, allowing the v6/v7 versions to invalidate the
I-cache regardless of the MMU state.
Cc: <stable@vger.kernel.org>
Reported-by: Marc Carino <marc.ceeeee@gmail.com>
Tested-by: Julien Grall <julien.grall@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
vddio_sdmmc3 is a vdd_io, and thus should be under the vqmmc-supply
property, not vmmc-supply.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This property was wrong and broke eMMC since commit 52221610d ("mmc:
sdhci: Improve external VDD regulator support"). Align the eMMC
properties to those of other Tegra boards.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
There are general changes pending to make the /aliases/serial* entries
number the serial ports on the system. On Tegra, so far the ports have
been just numbered dynamically as they are configured so that makes them
change.
To avoid this, add specific aliases per board to keep the old numbers.
This allows us to change the numbering by default on future SoCs while
keeping the numbering on existing boards.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Thierry Reding <treding@nvidia.com>
These labels will be used to provide deterministic numbering of consoles
in a later patch.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
[treding@nvidia.com: drop aliases, reword commit message]
Signed-off-by: Thierry Reding <treding@nvidia.com>
pfns are unsigned long, but PHYS_PFN_OFFSET is phys_addr_t. This leads
to page_to_pfn() returning phys_addr_t which cause type mismatches in
some print statements.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
When experimenting with patches to provide kprobes support for aarch64
smp machines would hang when inserting breakpoints into kernel code.
The hangs were caused by a race condition in the code called by
aarch64_insn_patch_text_sync(). The first processor in the
aarch64_insn_patch_text_cb() function would patch the code while other
processors were still entering the function and incrementing the
cpu_count field. This resulted in some processors never observing the
exit condition and exiting the function. Thus, processors in the
system hung.
The first processor to enter the patching function performs the
patching and signals that the patching is complete with an increment
of the cpu_count field. When all the processors have incremented the
cpu_count field the cpu_count will be num_cpus_online()+1 and they
will return to normal execution.
Fixes: ae16480785 arm64: introduce interfaces to hotpatch kernel and module code
Signed-off-by: William Cohen <wcohen@redhat.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
ARM64 currently doesn't fix up faults on the single-byte (strb) case of
__clear_user... which means that we can cause a nasty kernel panic as an
ordinary user with any multiple PAGE_SIZE+1 read from /dev/zero.
i.e.: dd if=/dev/zero of=foo ibs=1 count=1 (or ibs=65537, etc.)
This is a pretty obscure bug in the general case since we'll only
__do_kernel_fault (since there's no extable entry for pc) if the
mmap_sem is contended. However, with CONFIG_DEBUG_VM enabled, we'll
always fault.
if (!down_read_trylock(&mm->mmap_sem)) {
if (!user_mode(regs) && !search_exception_tables(regs->pc))
goto no_context;
retry:
down_read(&mm->mmap_sem);
} else {
/*
* The above down_read_trylock() might have succeeded in
* which
* case, we'll have missed the might_sleep() from
* down_read().
*/
might_sleep();
if (!user_mode(regs) && !search_exception_tables(regs->pc))
goto no_context;
}
Fix that by adding an extable entry for the strb instruction, since it
touches user memory, similar to the other stores in __clear_user.
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Reported-by: Miloš Prchlík <mprchlik@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Use phys_addr_t for physical address in alloc_init_pud. Although
phys_addr_t and unsigned long are 64 bit in arm64, it is better
to use phys_addr_t to describe physical addresses.
Signed-off-by: Min-Hua Chen <orca.chen@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
While efi-entry.S mentions that efi_entry() will have relocated the
kernel image, it actually means that efi_entry will have placed a copy
of the kernel in the appropriate location, and until this is branched to
at the end of efi_entry.S, all instructions are executed from the
original image.
Thus while the flush in efi_entry.S does ensure that the copy is visible
to noncacheable accesses, it does not guarantee that this is true for
the image instructions are being executed from. This could have
disasterous effects when the MMU and caches are disabled if the image
has not been naturally evicted to the PoC.
Additionally, due to a missing dsb following the ic ialluis, the new
kernel image is not necessarily clean in the I-cache when it is branched
to, with similar potentially disasterous effects.
This patch adds additional flushing to ensure that the currently
executing stub text is flushed to the PoC and is thus visible to
noncacheable accesses. As it is placed after the instructions cache
maintenance for the new image and __flush_dcache_area already contains a
dsb, we do not need to add a separate barrier to ensure completion of
the icache maintenance.
Comments are updated to clarify the situation with regard to the two
images and the maintenance required for both.
Fixes: 3c7f255039
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Joel Schopp <joel.schopp@amd.com>
Reviewed-by: Roy Franz <roy.franz@linaro.org>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Ian Campbell <ijc@hellion.org.uk>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Mark Salter <msalter@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
calming down on the KVM front at last.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"Two fixes --- one of them not exactly a one liner, but things are
calming down on the KVM front at last"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Fix uninitialized op->type for some immediate values
KVM: s390: virtio_ccw: remove unused variable
On sh73a0/kzm9g-legacy, probing of the i2c masters fails with:
i2c-sh_mobile i2c-sh_mobile.0: timing values out of range: L/H=0x208/0x1bf
sh_mobile: probe of i2c-sh_mobile.0 failed with error -22
According to the datasheet, the transfer rate is derived from the HP
clock (which runs at 104 MHz) divided by two. Hence
i2c_sh_mobile_platform_data.clks_per_count should be set to two.
Now probing succeeds, and i2c works:
i2c-sh_mobile i2c-sh_mobile.0: I2C adapter 0 with bus speed 100000 Hz (L/H=0x104/0xe0)
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Switch over the msgctl, shmat, shmctl and semtimedop syscalls to use the compat
layer. The problem was found with the debian procenv package, which called
shmctl(0, SHM_INFO, &info);
in which the shmctl syscall then overwrote parts of the surrounding areas on
the stack on which the info variable was stored and thus lead to a segfault
later on.
Additionally fix the definition of struct shminfo64 to use unsigned longs like
the other architectures. This has no impact on userspace since we only have a
32bit userspace up to now.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: John David Anglin <dave.anglin@bell.net>
Cc: <stable@vger.kernel.org> # v3.10+
DCDC3 supplies voltage to DDR. Fix DCDC3 volatge to 1.5V which is the reset
value. Programming to a non-reset value while executing from DDR will result
in random hangs.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
DCDC3 supplies voltage to DDR. Fix DCDC3 volatge to 1.5V which is the reset
value. Programming to a non-reset value while executing from DDR will result
in random hangs.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
DCDC3 supplies voltage to DDR. Fix DCDC3 volatge to 1.5V which is the reset
value. Programming to a non-reset value while executing from DDR will result
in random hangs.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
* access the dis_ucode_ldr chicken bit properly
* fix patch stashing on AMD on 32-bit
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Merge tag 'microcode_fixes_for_3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp into x86/urgent
Pull two fixes for early microcode loader on 32-bit from Borislav Petkov:
- access the dis_ucode_ldr chicken bit properly
- fix patch stashing on AMD on 32-bit
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Save the patch while we're running on the BSP instead of later, before
the initrd has been jettisoned. More importantly, on 32-bit we need to
access the physical address instead of the virtual.
This way we actually do find it on the APs instead of having to go
through the initrd each time.
Tested-by: Richard Hendershot <rshendershot@mchsi.com>
Fixes: 5335ba5cf4 ("x86, microcode, AMD: Fix early ucode loading")
Cc: <stable@vger.kernel.org> # v3.13+
Signed-off-by: Borislav Petkov <bp@suse.de>
Commit 2ed53c0d6c ("x86/smpboot: Speed up suspend/resume by
avoiding 100ms sleep for CPU offline during S3") introduced
completions to CPU offlining process. These completions are not
initialized on Xen kernels causing a panic in
play_dead_common().
Move handling of die_complete into common routines to make them
available to Xen guests.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Cc: tianyu.lan@intel.com
Cc: konrad.wilk@oracle.com
Cc: xen-devel@lists.xenproject.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1414770572-7950-1-git-send-email-boris.ostrovsky@oracle.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
According to the datasheet, the operating clock for IIC0 is the HPP
(RT Peri) clock, not the SUB (Peri) clock. Both clocks run at the same
speed (50 Mhz).
This is consistent with IIC0 being located in the A4R PM domain, and
IIC1 in the A3SP PM domain.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
According to the datasheet, the operating clock for IIC0 is the HPP
(RT Peri) clock, not the SUB (Peri) clock. Both clocks run at the same
speed (50 Mhz).
This is consistent with IIC0 being located in the A4R PM domain, and
IIC1 in the A3SP PM domain.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This clock drives the irqpin controller modules.
Before, it was assumed enabled by the bootloader or reset state.
By making it available to the driver, we make sure it gets enabled when
needed, and allow it to be managed by system or runtime PM.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
- enable bpf syscall for compat
- cpu_suspend fix when checking the idle state type
- defconfig update
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- enable bpf syscall for compat
- cpu_suspend fix when checking the idle state type
- defconfig update
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: defconfig: update defconfig for 3.18
arm64: compat: Enable bpf syscall
arm64: psci: fix cpu_suspend to check idle state type for index
Another quiet week:
- A fix to silence edma probe error on non-supported platforms from Arnd
- A fix to enable the PL clock for Parallella, to make mainline usable with
the SDK.
- A somewhat verbose fix for the PLL clock tree on VF610
- Enabling of SD/MMC on one of the VF610-based boards (for testing)
- A fix for i.MX where CONFIG_SPI used to be implicitly enabled and now needs
to be added to the defconfig instead
- Another maintainer added for bcm2835: Lee Jones
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Merge tag 'armsoc-for-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Another quiet week:
- a fix to silence edma probe error on non-supported platforms from
Arnd
- a fix to enable the PL clock for Parallella, to make mainline
usable with the SDK.
- a somewhat verbose fix for the PLL clock tree on VF610
- enabling of SD/MMC on one of the VF610-based boards (for testing)
- a fix for i.MX where CONFIG_SPI used to be implicitly enabled and
now needs to be added to the defconfig instead
- another maintainer added for bcm2835: Lee Jones"
* tag 'armsoc-for-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: zynq: Enable PL clocks for Parallella
dma: edma: move device registration to platform code
ARM: dts: vf610: add SD node to cosmic dts
MAINTAINERS: update bcm2835 entry
ARM: imx: Fix the removal of CONFIG_SPI option
ARM: imx: clk-vf610: define PLL's clock tree
The Parallella board comes with a U-Boot bootloader that loads one of
two predefined FPGA bitstreams before booting the kernel. Both define an
AXI interface to the on-board Epiphany processor.
Enable clocks FCLK0..FCLK3 for the Programmable Logic by default.
Otherwise accessing, e.g., the ESYSRESET register freezes the board,
as seen with the Epiphany SDK tools e-reset and e-hw-rev, using /dev/mem.
Cc: <stable@vger.kernel.org> # 3.17.x
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
