| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"Two minor build fixes:
- Fix builds of the ELF loader when built with 'make -j1' (nommu
only)
- Fix CONFIG_SOC_SIFIVE builds when CONFIG_TTY is disabled (found
during randconfig testing)"
* tag 'riscv/for-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: only select serial sifive if TTY is enabled
riscv: Fix build dependency for loader
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There is some warning if TTY is not enabled, and lead to
build error, only select serial sifive if TTY enabled, and
this also makes randconfig happy.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
[paul.walmsley@sifive.com: updated to apply]
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
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The Makefile addition for the flat image loader missed an obj prefix.
For most parallel builds this worked out fine, but with -j1 the dependency
wasn't fulfilled and thus fails:
arch/riscv/boot/loader.S: Assembler messages:
arch/riscv/boot/loader.S:7: Error: file not found: arch/riscv/boot/Image
Fixes: 405fe7aa0dba ("riscv: provide a flat image loader")
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull fall through fix from Gustavo Silva:
"Fix compile error on sh by marking expected switch fall-through"
* tag 'Wimplicit-fallthrough-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
sh: kgdb: Mark expected switch fall-throughs
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Mark switch cases where we are expecting to fall through.
This patch fixes the following error:
LINUX/arch/sh/kernel/kgdb.c: In function 'kgdb_arch_handle_exception':
LINUX/arch/sh/kernel/kgdb.c:267:6: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (kgdb_hex2long(&ptr, &addr))
^
LINUX/arch/sh/kernel/kgdb.c:269:2: note: here
case 'D':
^~~~
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are two small driver core fixes to resolve some reported issues
The first is to handle the much-reported (by the build systems)
problem that superH does not boot anymore.
The second handles an issue in the new platform logic that a number of
people ran into with the automated tests in kbuild
Both of these have been in linux-next with no reported issues"
* tag 'driver-core-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
drivers: Fix boot problem on SuperH
of/platform: Unconditionally pause/resume sync state during kernel init
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SuperH images crash too eearly to display any console output. Bisect
points to commit 507fd01d5333 ("drivers: move the early platform device
support to arch/sh"). An analysis of that patch suggests that
early_platform_cleanup() is now called at the wrong time. Restoring its
call point fixes the problem.
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Fixes: 507fd01d5333 ("drivers: move the early platform device support to arch/sh")
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Landley <rob@landley.net>
Link: https://lore.kernel.org/r/20191203205852.15659-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
- Add support for KASAN_VMALLOC feature.
- Remove the last user of problematic diag 0x44 call.
- Adjust sampling interval and avoid sample data block overflow
condition on pressure in perf code.
- Prefer EOPNOTSUPP over ENOTSUPP and comments fixes.
* tag 's390-5.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/kasan: add KASAN_VMALLOC support
s390: remove last diag 0x44 caller
s390/uv: use EOPNOTSUPP instead of ENOTSUPP
s390/cpum_sf: Avoid SBD overflow condition in irq handler
s390/cpum_sf: Adjust sampling interval to avoid hitting sample limits
s390/test_unwind: fix spelling mistake "reqister" -> "register"
s390/spinlock: remove confusing comment in arch_spin_lock_wait
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Add KASAN_VMALLOC support which now enables vmalloc memory area access
checks as well as enables usage of VMAP_STACK under kasan.
KASAN_VMALLOC changes the way vmalloc and modules areas shadow memory
is handled. With this new approach only top level page tables are
pre-populated and lower levels are filled dynamically upon memory
allocation.
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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diag 0x44 is a voluntary undirected yield of a virtual CPU. This has
caused a lot of performance issues in the past.
There is only one caller left, and that one is only executed if diag
0x9c (directed yield) is not present. Given that all hypervisors
implement diag 0x9c anyway, remove the last diag 0x44 to avoid that
more callers will be added.
Worst case that could happen now, if diag 0x9c is not present, is that
a virtual CPU would loop a bit instead of giving its time slice up.
diag 0x44 statistics in debugfs are kept and will always be zero, so
that user space can tell that there are no calls.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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ENOTSUP is just an internal kernel error and should never reach
userspace. The return value of the share function is not exported to
userspace, but to avoid giving bad examples let us use EOPNOTSUPP:
Suggested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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The s390 CPU Measurement sampling facility has an overflow condition
which fires when all entries in a SBD are used.
The measurement alert interrupt is triggered and reads out all samples
in this SDB. It then tests the successor SDB, if this SBD is not full,
the interrupt handler does not read any samples at all from this SDB
The design waits for the hardware to fill this SBD and then trigger
another meassurement alert interrupt.
This scheme works nicely until
an perf_event_overflow() function call discards the sample due to
a too high sampling rate.
The interrupt handler has logic to read out a partially filled SDB
when the perf event overflow condition in linux common code is met.
This causes the CPUM sampling measurement hardware and the PMU
device driver to operate on the same SBD's trailer entry.
This should not happen.
This can be seen here using this trace:
cpumsf_pmu_add: tear:0xb5286000
hw_perf_event_update: sdbt 0xb5286000 full 1 over 0 flush_all:0
hw_perf_event_update: sdbt 0xb5286008 full 0 over 0 flush_all:0
above shows 1. interrupt
hw_perf_event_update: sdbt 0xb5286008 full 1 over 0 flush_all:0
hw_perf_event_update: sdbt 0xb5286008 full 0 over 0 flush_all:0
above shows 2. interrupt
... this goes on fine until...
hw_perf_event_update: sdbt 0xb5286068 full 1 over 0 flush_all:0
perf_push_sample1: overflow
one or more samples read from the IRQ handler are rejected by
perf_event_overflow() and the IRQ handler advances to the next SDB
and modifies the trailer entry of a partially filled SDB.
hw_perf_event_update: sdbt 0xb5286070 full 0 over 0 flush_all:1
timestamp: 14:32:52.519953
Next time the IRQ handler is called for this SDB the trailer entry shows
an overflow count of 19 missed entries.
hw_perf_event_update: sdbt 0xb5286070 full 1 over 19 flush_all:1
timestamp: 14:32:52.970058
Remove access to a follow on SDB when event overflow happened.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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Function perf_event_ever_overflow() and perf_event_account_interrupt()
are called every time samples are processed by the interrupt handler.
However function perf_event_account_interrupt() has checks to avoid being
flooded with interrupts (more then 1000 samples are received per
task_tick). Samples are then dropped and a PERF_RECORD_THROTTLED is
added to the perf data. The perf subsystem limit calculation is:
maximum sample frequency := 100000 --> 1 samples per 10 us
task_tick = 10ms = 10000us --> 1000 samples per task_tick
The work flow is
measurement_alert() uses SDBT head and each SBDT points to 511
SDB pages, each with 126 sample entries. After processing 8 SBDs
and for each valid sample calling:
perf_event_overflow()
perf_event_account_interrupts()
there is a considerable amount of samples being dropped, especially when
the sample frequency is very high and near the 100000 limit.
To avoid the high amount of samples being dropped near the end of a
task_tick time frame, increment the sampling interval in case of
dropped events. The CPU Measurement sampling facility on the s390
supports only intervals, specifiing how many CPU cycles have to be
executed before a sample is generated. Increase the interval when the
samples being generated hit the task_tick limit.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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There is a spelling mistake in a pr_info message. Fix it.
Link: https://lkml.kernel.org/r/20191202090215.28766-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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arch_spin_lock_wait does not take steal time into consideration.
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"Fix another build problem for Wireguard without Crypto"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: arm/curve25519 - add arch-specific key generation function
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Somehow this was forgotten when Zinc was being split into oddly shaped
pieces, resulting in linker errors. The x86_64 glue has a specific key
generation implementation, but the Arm one does not. However, it can
still receive the NEON speedups by calling the ordinary DH function
using the base point.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2
Pull nios2 fix from Ley Foon Tan:
"Fix nios2 ioremap regression"
* tag 'nios2-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
nios2: Fix ioremap
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Commit 5ace77e0b41a ("nios2: remove __ioremap") removed the following code,
with the argument that cacheflag is always 0 and the expression would
therefore always be false.
if (IS_MAPPABLE_UNCACHEABLE(phys_addr) &&
IS_MAPPABLE_UNCACHEABLE(last_addr) &&
!(cacheflag & _PAGE_CACHED))
return (void __iomem *)(CONFIG_NIOS2_IO_REGION_BASE + phys_addr);
This did not take the "!" in the expression into account. Result is that
nios2 images no longer boot. Restoring the removed code fixes the problem.
Fixes: 5ace77e0b41a ("nios2: remove __ioremap")
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull FIELD_SIZEOF conversion from Kees Cook:
"A mostly mechanical treewide conversion from FIELD_SIZEOF() to
sizeof_field(). This avoids the redundancy of having 2 macros
(actually 3) doing the same thing, and consolidates on sizeof_field().
While "field" is not an accurate name, it is the common name used in
the kernel, and doesn't result in any unintended innuendo.
As there are still users of FIELD_SIZEOF() in -next, I will clean up
those during this coming development cycle and send the final old
macro removal patch at that time"
* tag 'sizeof_field-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
treewide: Use sizeof_field() macro
MIPS: OCTEON: Replace SIZEOF_FIELD() macro
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Replace all the occurrences of FIELD_SIZEOF() with sizeof_field() except
at places where these are defined. Later patches will remove the unused
definition of FIELD_SIZEOF().
This patch is generated using following script:
EXCLUDE_FILES="include/linux/stddef.h|include/linux/kernel.h"
git grep -l -e "\bFIELD_SIZEOF\b" | while read file;
do
if [[ "$file" =~ $EXCLUDE_FILES ]]; then
continue
fi
sed -i -e 's/\bFIELD_SIZEOF\b/sizeof_field/g' $file;
done
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Link: https://lore.kernel.org/r/20190924105839.110713-3-pankaj.laxminarayan.bharadiya@intel.com
Co-developed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: David Miller <davem@davemloft.net> # for net
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Switch to the standard sizeof_field() macro to find the size of a member
of a struct and remove the custom SIZEOF_FIELD() macro.
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Link: https://lore.kernel.org/r/20190924105839.110713-4-pankaj.laxminarayan.bharadiya@intel.com
Co-developed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- Remove code I accidentally applied when doing a minor fix up to a
patch, and then using "git commit -a --amend", which pulled in some
other changes I was playing with.
- Remove an used variable in trace_events_inject code
- Fix function graph tracer when it traces a ftrace direct function.
It will now ignore tracing a function that has a ftrace direct
tramploine attached. This is needed for eBPF to use the ftrace direct
code.
* tag 'trace-v5.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftrace: Fix function_graph tracer interaction with BPF trampoline
tracing: remove set but not used variable 'buffer'
module: Remove accidental change of module_enable_x()
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Depending on type of BPF programs served by BPF trampoline it can call original
function. In such case the trampoline will skip one stack frame while
returning. That will confuse function_graph tracer and will cause crashes with
bad RIP. Teach graph tracer to skip functions that have BPF trampoline attached.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Pull ARM fixes from Russell King:
- fix CPU topology setup for SCHED_MC case
- fix VDSO regression
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8947/1: Fix __arch_get_hw_counter() access to CNTVCT
ARM: 8943/1: Fix topology setup in case of CPU hotplug for CONFIG_SCHED_MC
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__arch_get_hw_counter() should check clock_mode to see if it can access
CNTVCT. With the conversion to unified vDSO this check has been left out.
This causes on imx v6 and v7 (imx_v6_v7_defconfig) and other platforms to
hang at boot during the execution of the init process as per below:
[ 19.976852] Run /sbin/init as init process
[ 20.044931] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000004
Fix the problem verifying that clock_mode is set coherently before
accessing CNTVCT.
Investigated-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Commit ca74b316df96 ("arm: Use common cpu_topology structure and
functions.") changed cpu_coregroup_mask() from the ARM32 specific
implementation in arch/arm/include/asm/topology.h to the one shared
with ARM64 and RISCV in drivers/base/arch_topology.c.
Currently on ARM32 (TC2 w/ CONFIG_SCHED_MC) the task scheduler setup
code (w/ CONFIG_SCHED_DEBUG) shows this during CPU hotplug:
ERROR: groups don't span domain->span
It happens to CPUs of the cluster of the CPU which gets hot-plugged
out on scheduler domain MC.
Turns out that the shared cpu_coregroup_mask() requires that the
hot-plugged CPU is removed from the core_sibling mask via
remove_cpu_topology(). Otherwise the 'is core_sibling subset of
cpumask_of_node()' doesn't work. In this case the task scheduler has to
deal with cpumask_of_node instead of core_sibling which is wrong on
scheduler domain MC.
e.g. CPU3 hot-plugged out on TC2 [cluster0: 0,3-4 cluster1: 1-2]:
cpu_coregroup_mask(): CPU3 cpumask_of_node=0-2,4 core_sibling=0,3-4
^
should be:
cpu_coregroup_mask(): CPU3 cpumask_of_node=0-2,4 core_sibling=0,4
Add remove_cpu_topology() to __cpu_disable() to remove the CPU from the
topology masks in case of a CPU hotplug out operation.
At the same time tweak store_cpu_topology() slightly so it will call
update_siblings_masks() in case of CPU hotplug in operation via
secondary_start_kernel()->smp_store_cpu_info().
This aligns the ARM32 implementation with the ARM64 one.
Guarding remove_cpu_topology() with CONFIG_GENERIC_ARCH_TOPOLOGY is
necessary since some Arm32 defconfigs (aspeed_g5_defconfig,
milbeaut_m10v_defconfig, spear13xx_defconfig) specify an explicit
# CONFIG_ARM_CPU_TOPOLOGY is not set
w/ ./arch/arm/Kconfig: select GENERIC_ARCH_TOPOLOGY if ARM_CPU_TOPOLOGY
Fixes: ca74b316df96 ("arm: Use common cpu_topology structure and functions")
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A set of fixes that we've merged late, but for the most part that have
been sitting in -next for a while through platform maintainer trees:
- Fixes to suspend/resume on Tegra, caused by the added features this
merge window
- Cleanups and minor fixes to TI additions this merge window
- Tee fixes queued up late before the merge window, included here.
- A handful of other fixlets
There's also a refresh of the shareed config files (multi_v* on
32-bit, and defconfig on 64-bit), to avoid conflicts when we get new
contributions"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
ARM: multi_v7_defconfig: Restore debugfs support
ARM: defconfig: re-run savedefconfig on multi_v* configs
arm64: defconfig: re-run savedefconfig
ARM: pxa: Fix resource properties
soc: mediatek: cmdq: fixup wrong input order of write api
soc: aspeed: Fix snoop_file_poll()'s return type
MAINTAINERS: Switch to Marvell addresses
MAINTAINERS: update Cavium ThunderX drivers
Revert "arm64: dts: juno: add dma-ranges property"
MAINTAINERS: Make Nicolas Saenz Julienne the new bcm2835 maintainer
firmware: arm_scmi: Avoid double free in error flow
arm64: dts: juno: Fix UART frequency
ARM: dts: Fix sgx sysconfig register for omap4
arm: socfpga: execute cold reboot by default
ARM: dts: Fix vcsi regulator to be always-on for droid4 to prevent hangs
ARM: dts: dra7: fix cpsw mdio fck clock
ARM: dts: am57xx-beagle-x15: Update pinmux name to ddr_3_3v
ARM: dts: omap3-tao3530: Fix incorrect MMC card detection GPIO polarity
soc/tegra: pmc: Add reset sources and levels on Tegra194
soc/tegra: pmc: Add missing IRQ callbacks on Tegra194
...
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains the second batch of changes for Broadcom
ARM-based SoCs, please pull the following:
- Nicolas declares a CMA area within the first 1GB of DRAM in order for
it to be guaranteed to reside there, otherwise ARM64's memory
initialization will pick up a CMA area within ZONE_DMA32
- Stefan adds the Device Tree node for the built-in Ethernet controller
(GENET) on the Raspberry Pi 4 model B board
* tag 'arm-soc/for-5.5/devicetree-part2' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm2711-rpi-4: Enable GENET support
ARM: dts: bcm2711: force CMA into first GB of memory
Link: https://lore.kernel.org/r/20191118182931.11884-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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This enables the Gigabit Ethernet support on the Raspberry Pi 4.
The defined PHY mode is equivalent to the default register settings
in the downstream tree.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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arm64 places the CMA in ZONE_DMA32, which is not good enough for the
Raspberry Pi 4 since it contains peripherals that can only address the
first GB of memory. Explicitly place the CMA into that area.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Acked-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/fixes
SoCFPGA updates for v5.5
- Issue COLD reboot by default for SoCFPGA platforms
* tag 'socfpga_update_for_v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
arm: socfpga: execute cold reboot by default
Link: https://lore.kernel.org/r/20191122182106.822-1-dinguyen@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
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This changes system reboot for socfpga to issue a cold reboot by
default instead of a warm reboot.
Warm reboot can still be used by setting reboot_mode to
REBOOT_WARM (e.g. via kernel command line 'reboot='), but this
patch ensures cold reboot is issued for both REBOOT_COLD and
REBOOT_HARD.
Also, cold reboot is more fail safe than warm reboot has some
issues at least fo CSEL=0 and BSEL=qspi, where the boot rom does
not set the qspi clock to a valid range.
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Device tree fixes for omap variants for for v5.5 merge window
This series of changes contains fixes for few SoC and board specific
issues that would be good to have merged for v5.5-rc1:
- Fix incorrect MMC card detection polarity for omap3-tao3530
- Fix wrong am57xx-beagle-x15 pinmux named states for eMMC
- Fix dra7 cpsw mdio clock that causes wrong speed
- Fix vcsi for droid4 so it won't get turned off after init
- Fix rev and sysconfig register offsets for omap4 sgx so it can idle
Then there are also two minor late changes to logicpd-torpedo-baseboard
to configure 1-wire HDQ for battery stats, and remove out of date
workaround comments no longer needed.
* tag 'omap-for-v5.5/dt-fixes-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix sgx sysconfig register for omap4
ARM: dts: Fix vcsi regulator to be always-on for droid4 to prevent hangs
ARM: dts: dra7: fix cpsw mdio fck clock
ARM: dts: am57xx-beagle-x15: Update pinmux name to ddr_3_3v
ARM: dts: omap3-tao3530: Fix incorrect MMC card detection GPIO polarity
ARM: dts: logicpd-torpedo: Remove unnecessary notes/comments
ARM: dts: logicpd-torpedo-baseboard: Enable HDQ
Link: https://lore.kernel.org/r/pull-1574870758-237468@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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Looks like we've had the sgx sysconfig register and revision register
always wrong for omap4, including the old platform data. Let's fix the
offsets to what the TRM says. Otherwise the sgx module may never idle
depending on the state of the real sysconfig register.
Fixes: d23a163ebe5a ("ARM: dts: Add nodes for missing omap4 interconnect target modules")
Cc: H. Nikolaus Schaller <hns@goldelico.com>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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In addition to using vcsi regulator for the display, looks like droid4 is
using vcsi regulator to trigger off mode internally with the PMIC firmware
when the SoC enters deeper idle states. This is configured in the Motorola
Mapphone Linux kernel sources as "zerov_regulator".
As we currently don't support off mode during idle for omap4, we must
prevent vcsi from being disabled when the display is blanked to prevent
the PMIC change to off mode. Otherwise the device will hang on entering
idle when the display is blanked.
Before commit 089b3f61ecfc ("regulator: core: Let boot-on regulators be
powered off"), the boot-on regulators never got disabled like they should
and vcsi did not get turned off on idle.
Let's fix the issue by setting vcsi to always-on for now. Later on we may
want to claim the vcsi regulator also in the PM code if needed.
Fixes: 089b3f61ecfc ("regulator: core: Let boot-on regulators be powered off")
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The DRA7 CPSW MDIO functional clock (gmac_clkctrl DRA7_GMAC_GMAC_CLKCTRL 0)
is specified incorrectly, which is caused incorrect MDIO bus clock
configuration MDCLK. The correct CPSW MDIO functional clock is
gmac_main_clk (125MHz), which is the same as CPSW fck. Hence fix it.
Fixes: 1faa415c9c6e ("ARM: dts: Add fck for cpsw mdio for omap variants")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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am57xx-beagle-x15 revb1 and revc have 3.3V connected to the eMMC I/O
lines. Update the pinmux name to reflect this.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The MMC card detection GPIO polarity is active low on TAO3530, like in many
other similar boards. Now the card is not detected and it is unable to
mount rootfs from an SD card.
Fix this by using the correct polarity.
This incorrect polarity was defined already in the commit 30d95c6d7092
("ARM: dts: omap3: Add Technexion TAO3530 SOM omap3-tao3530.dtsi") in v3.18
kernel and later changed to use defined GPIO constants in v4.4 kernel by
the commit 3a637e008e54 ("ARM: dts: Use defined GPIO constants in flags
cell for OMAP2+ boards").
While the latter commit did not introduce the issue I'm marking it with
Fixes tag due the v4.4 kernels still being maintained.
Fixes: 3a637e008e54 ("ARM: dts: Use defined GPIO constants in flags cell for OMAP2+ boards")
Cc: linux-stable <stable@vger.kernel.org> # 4.4+
Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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There used to be a bug in the video driver that caused the timings
for the LCD to calculate in a way on the DM3730 which made it hang.
The work around for this bug was to set
CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4 in the kernel. This work around
is no longer needed as the video drivers have been corrected.
This patch removes the legacy note.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The baseboard of the Logic PD Torpedo development kit has a socket
for a rechargable battery. The battery is monitored by a charger
which can communicate of the the 1-wire HDQ pin.
This patch enables the pinmux for the HDQ pin.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Few ti-sysc related fixes for v5.5 merge window
Just few minor changes that can be merged when suitable, but would
be good to have these in v5.5-rc1 to remove dependencies between branches
for more changes later on in v5.6:
- Add quirk handling for AESS (Audio Engine Sub System)
- We want to drop the useless gptimer option for omap4 as there are local
timers
- A minor error path handling improvment for sysc_child_add_named_clock()
that will make further patching a bit easier
* tag 'omap-for-v5.5/ti-sysc-late-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Adjust exception handling in sysc_child_add_named_clock()
ARM: OMAP2+: Drop useless gptimer option for omap4
bus: ti-sysc: Add module enable quirk for audio AESS
Link: https://lore.kernel.org/r/pull-1574273726-31367@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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omap-for-v5.5/ti-sysc-late
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We have local timers on Cortex-A9, so using the gptimer option makes no
sense. Let's just drop it for omap4 to simplify the timer options a bit.
If this is really needed, it can be still done by specifying dts properties
in the board specific file for assigned-clocks and assigned-clock-parents.
This gets us a bit closer to start dropping legacy platform data for
gptimers except for timer1 that is used for system clockevent.
Cc: Keerthy <j-keerthy@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Few late SoC changes for v5.5 merge window
These changes just clean up few typos, and there is one non-critical
correction of missing put_device() after calling of_platform_populate()
for display controller.
Naturally none of this is urgent and can be merged when suitable.
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Commit fd7d58f0dbc3 ("ARM: multi_v7_defconfig: renormalize based on recent
additions") removed explicit enable line for CONFIG_DEBUG_FS, because
that feature has been selected by other enabled options: CONFIG_TRACING,
which were enabled by CONFIG_PERF_EVENTS.
In meantime, commit 0e4a459f56c3 ("tracing: Remove unnecessary DEBUG_FS
dependency") removed the dependency between CONFIG_DEBUG_FS and
CONFIG_TRACING, so CONFIG_DEBUG_FS is no longer enabled in default builds.
Enable it again explicitly, as debugfs support is essential for various
automated testing tools.
Link: https://lore.kernel.org/r/20191206125112.11006-1-m.szyprowski@samsung.com
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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This is mostly to reorder the entries as they've moved in the Kconfig
hierarchies. Doing this periodically (but not very often) simplifies
conflict resolution for new options, etc.
Link: https://lore.kernel.org/r/20191205211438.27552-2-olof@lixom.net
Signed-off-by: Olof Johansson <olof@lixom.net>
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This is mostly to reorder the entries as they've moved in the Kconfig
hierarchies. Doing this periodically (but not very often) simplifies
conflict resolution for new options, etc.
Link: https://lore.kernel.org/r/20191205211438.27552-3-olof@lixom.net
Signed-off-by: Olof Johansson <olof@lixom.net>
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This brings in the mainline tree right after armsoc contents was merged
this release cycle, so that we can re-run savedefconfig, etc.
Signed-off-by: Olof Johansson <olof@lixom.net>
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The conversion to properties changed one assignment and
missed three other assignments in the same file, fix it
up so the platform compiles.
The bug was reported by a few build bots but noone noticed.
I noticed it when making other changes to the PXA platforms.
Link: https://lore.kernel.org/r/20191203104117.85517-1-linus.walleij@linaro.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 50ec88120ea1 ("can: mcp251x: get rid of legacy platform data")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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